reportlab/lib/utils.py
author rgbecker
Tue, 03 May 2005 11:39:22 +0000
changeset 2487 a51bf871b709
parent 2484 590938600027
child 2497 c9cb49d639ef
permissions -rw-r--r--
reportlab: better support for PIL image
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#Copyright ReportLab Europe Ltd. 2000-2004
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#see license.txt for license details
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#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/utils.py
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__version__=''' $Id$ '''
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import string, os, sys, imp
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from types import *
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from reportlab.lib.logger import warnOnce
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SeqTypes = (ListType,TupleType)
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if sys.hexversion<0x2030000:
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    True = 1
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    False = 0
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def _findFiles(dirList,ext='.ttf'):
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    from os.path import isfile, isdir, join as path_join
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    from os import listdir
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    ext = ext.lower()
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    R = []
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    A = R.append
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    for D in dirList:
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        if not isdir(D): continue
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        for fn in listdir(D):
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            fn = path_join(D,fn)
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            if isfile(fn) and (not ext or fn.lower().endswith(ext)): A(fn)
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    return R
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try:
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    _UserDict = dict
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except:
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    from UserDict import UserDict as _UserDict
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class CIDict(_UserDict):
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    def __init__(self,*a,**kw):
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        map(self.update, a)
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        self.update(kw)
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    def update(self,D):
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        for k,v in D.items(): self[k] = v
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    def __setitem__(self,k,v):
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        try:
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            k = k.lower()
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        except:
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            pass
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        _UserDict.__setitem__(self,k,v)
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    def __getitem__(self,k):
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        try:
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            k = k.lower()
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        except:
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            pass
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        return _UserDict.__getitem__(self,k)
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    def __delitem__(self,k):
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        try:
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            k = k.lower()
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        except:
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            pass
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        return _UserDict.__delitem__(self,k)
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    def get(self,k,dv=None):
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        try:
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            return self[k]
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        except KeyError:
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            return dv
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    def has_key(self,k):
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        try:
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            self[k]
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            return True
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        except:
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            return False
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    def pop(self,k,*a):
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        try:
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            k = k.lower()
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        except:
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            pass
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        return _UserDict.pop(*((self,k)+a))
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    def setdefault(self,k,*a):
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        try:
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            k = k.lower()
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        except:
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            pass
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        return _UserDict.setdefault(*((self,k)+a))
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if os.name == 'mac':
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    #with the Mac, we need to tag the file in a special
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    #way so the system knows it is a PDF file.
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    #This supplied by Joe Strout
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    import macfs, macostools
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    _KNOWN_MAC_EXT = {
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        'BMP' : ('ogle','BMP '),
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        'EPS' : ('ogle','EPSF'),
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        'EPSF': ('ogle','EPSF'),
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        'GIF' : ('ogle','GIFf'),
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        'JPG' : ('ogle','JPEG'),
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        'JPEG': ('ogle','JPEG'),
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        'PCT' : ('ttxt','PICT'),
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        'PICT': ('ttxt','PICT'),
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        'PNG' : ('ogle','PNGf'),
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        'PPM' : ('ogle','.PPM'),
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        'TIF' : ('ogle','TIFF'),
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        'TIFF': ('ogle','TIFF'),
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        'PDF' : ('CARO','PDF '),
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        'HTML': ('MSIE','TEXT'),
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        }
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    def markfilename(filename,creatorcode=None,filetype=None,ext='PDF'):
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        try:
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            if creatorcode is None or filetype is None and ext is not None:
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                try:
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                    creatorcode, filetype = _KNOWN_MAC_EXT[string.upper(ext)]
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                except:
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                    return
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            macfs.FSSpec(filename).SetCreatorType(creatorcode,filetype)
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            macostools.touched(filename)
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        except:
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            pass
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else:
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    def markfilename(filename,creatorcode=None,filetype=None):
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        pass
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import reportlab
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__RL_DIR=os.path.dirname(reportlab.__file__)    #possibly relative
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_RL_DIR=os.path.isabs(__RL_DIR) and __RL_DIR or os.path.abspath(__RL_DIR)
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del reportlab
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#Attempt to detect if this copy of reportlab is running in a
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#file system (as opposed to mostly running in a zip or McMillan
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#archive or Jar file).  This is used by test cases, so that
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#we can write test cases that don't get activated in a compiled
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try:
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    __file__
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except:
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    __file__ = sys.argv[0]
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import glob, fnmatch
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try:
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    _isFSD = not __loader__
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    _archive = os.path.normcase(os.path.normpath(__loader__.archive))
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    _archivepfx = _archive + os.sep
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    _archivedir = os.path.dirname(_archive)
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    _archivedirpfx = _archivedir + os.sep
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    _archivepfxlen = len(_archivepfx)
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    _archivedirpfxlen = len(_archivedirpfx)
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    def __startswith_rl(fn,
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                    _archivepfx=_archivepfx,
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                    _archivedirpfx=_archivedirpfx,
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                    _archive=_archive,
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                    _archivedir=_archivedir,
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                    os_path_normpath=os.path.normpath,
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                    os_path_normcase=os.path.normcase,
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                    os_getcwd=os.getcwd,
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                    os_sep=os.sep,
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                    os_sep_len = len(os.sep)):
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        '''if the name starts with a known prefix strip it off'''
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        fn = os_path_normpath(fn.replace('/',os_sep))
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        nfn = os_path_normcase(fn)
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        if nfn in (_archivedir,_archive): return 1,''
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        if nfn.startswith(_archivepfx): return 1,fn[_archivepfxlen:]
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        if nfn.startswith(_archivedirpfx): return 1,fn[_archivedirpfxlen:]
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        cwd = os_path_normcase(os_getcwd())
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        n = len(cwd)
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        if nfn.startswith(cwd):
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            if fn[n:].startswith(os_sep): return 1, fn[n+os_sep_len:]
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            if n==len(fn): return 1,''
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        return not os.path.isabs(fn),fn
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   168
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   169
    def _startswith_rl(fn):
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        return __startswith_rl(fn)[1]
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   171
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    def rl_glob(pattern,glob=glob.glob,fnmatch=fnmatch.fnmatch, _RL_DIR=_RL_DIR,pjoin=os.path.join):
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        c, pfn = __startswith_rl(pattern)
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        r = glob(pfn)
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        if c or r==[]:
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            r += map(lambda x,D=_archivepfx,pjoin=pjoin: pjoin(_archivepfx,x),filter(lambda x,pfn=pfn,fnmatch=fnmatch: fnmatch(x,pfn),__loader__._files.keys()))
2305
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        return r
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except:
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    _isFSD = os.path.isfile(__file__)   #slight risk of wrong path
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    __loader__ = None
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    def _startswith_rl(fn):
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        return fn
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   183
    def rl_glob(pattern,glob=glob.glob):
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   184
        return glob(pattern)
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   185
del glob, fnmatch
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_isFSSD = _isFSD and os.path.isfile(os.path.splitext(__file__)[0] +'.py')
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   187
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def isFileSystemDistro():
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    '''return truth if a file system distribution'''
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    return _isFSD
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   191
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def isCompactDistro():
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    '''return truth if not a file system distribution'''
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    return not _isFSD
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   195
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   196
def isSourceDistro():
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    '''return truth if a source file system distribution'''
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   198
    return _isFSSD
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diff changeset
   199
413
6312e8296c9b Initial version
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parents:
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try:
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    #raise ImportError
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    ### NOTE!  FP_STR SHOULD PROBABLY ALWAYS DO A PYTHON STR() CONVERSION ON ARGS
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    ### IN CASE THEY ARE "LAZY OBJECTS".  ACCELLERATOR DOESN'T DO THIS (YET)
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   204
    try:
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   205
        from _rl_accel import fp_str                # in case of builtin version
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   206
    except ImportError:
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   207
        from reportlab.lib._rl_accel import fp_str  # specific
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   208
except ImportError:
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   209
    from math import log
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    _log_10 = lambda x,log=log,_log_e_10=log(10.0): log(x)/_log_e_10
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   211
    _fp_fmts = "%.0f", "%.1f", "%.2f", "%.3f", "%.4f", "%.5f", "%.6f"
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   212
    import re
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   213
    _tz_re = re.compile('0+$')
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   214
    del re
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    def fp_str(*a):
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   216
        if len(a)==1 and type(a[0]) in SeqTypes: a = a[0]
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        s = []
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        A = s.append
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   219
        for i in a:
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   220
            sa =abs(i)
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diff changeset
   221
            if sa<=1e-7: A('0')
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   222
            else:
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   223
                l = sa<=1 and 6 or min(max(0,(6-int(_log_10(sa)))),6)
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diff changeset
   224
                n = _fp_fmts[l]%i
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   225
                if l:
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   226
                    n = _tz_re.sub('',n)
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   227
                    try:
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   228
                        if n[-1]=='.': n = n[:-1]
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   229
                    except:
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   230
                        print i, n
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diff changeset
   231
                        raise
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   232
                A((n[0]!='0' or len(n)==1) and n or n[1:])
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   233
        return string.join(s)
448
cb0c4d97e29b Added _className func
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parents: 413
diff changeset
   234
981
b3dfa2ba427c Attempt to fix the locale mismatch problem
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diff changeset
   235
#hack test for comma users
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   236
if ',' in fp_str(0.25):
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diff changeset
   237
    _FP_STR = fp_str
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diff changeset
   238
    def fp_str(*a):
1450177dd19e Exterminated all tab characters and added a test to make sure
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diff changeset
   239
        return string.replace(apply(_FP_STR,a),',','.')
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b3dfa2ba427c Attempt to fix the locale mismatch problem
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diff changeset
   240
2260
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   241
_rl_tempdir=None
8afb75cdbcdc Added get_rl_tempdir
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   242
def get_rl_tempdir(*subdirs):
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   243
    global _rl_tempdir
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   244
    if _rl_tempdir is None:
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diff changeset
   245
        import tempfile
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   246
        _rl_tempdir = os.path.join(tempfile.gettempdir(),'ReportLab_tmp%s' % (sys.platform=='unix' and `os.getuid()` or ''))
8afb75cdbcdc Added get_rl_tempdir
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   247
    d = _rl_tempdir
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parents: 2259
diff changeset
   248
    if subdirs: d = os.path.join(*((d,)+subdirs))
8afb75cdbcdc Added get_rl_tempdir
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parents: 2259
diff changeset
   249
    try:
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   250
        os.makedirs(d)
8afb75cdbcdc Added get_rl_tempdir
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parents: 2259
diff changeset
   251
    except:
8afb75cdbcdc Added get_rl_tempdir
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diff changeset
   252
        pass
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diff changeset
   253
    return d
8afb75cdbcdc Added get_rl_tempdir
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parents: 2259
diff changeset
   254
2279
e91cd2959c5c Added get_rl_tempfile
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parents: 2260
diff changeset
   255
def get_rl_tempfile(fn=None):
e91cd2959c5c Added get_rl_tempfile
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parents: 2260
diff changeset
   256
    if not fn:
e91cd2959c5c Added get_rl_tempfile
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parents: 2260
diff changeset
   257
        import tempfile
2340
566426720ebf Fix 2.2 mktemp argument mismatch
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parents: 2339
diff changeset
   258
        fn = tempfile.mktemp()
566426720ebf Fix 2.2 mktemp argument mismatch
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diff changeset
   259
    return os.path.join(get_rl_tempdir(),fn)
2279
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diff changeset
   260
1821
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   261
def recursiveImport(modulename, baseDir=None, noCWD=0, debug=0):
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1450177dd19e Exterminated all tab characters and added a test to make sure
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diff changeset
   262
    """Dynamically imports possible packagized module, or raises ImportError"""
2160
0ac717b8d778 Minor changes to recursiveimport
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diff changeset
   263
    normalize = lambda x: os.path.normcase(os.path.abspath(os.path.normpath(x)))
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diff changeset
   264
    path = map(normalize,sys.path)
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e0398bc717f2 First attempt at using import rather than imp
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   265
    if baseDir:
1834
c7ee3661d73a Fix typo
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parents: 1833
diff changeset
   266
        if type(baseDir) not in SeqTypes:
2156
e0398bc717f2 First attempt at using import rather than imp
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   267
            tp = [baseDir]
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135322abc191 Fix recursivImport for case when baseDir is a sequence
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diff changeset
   268
        else:
2156
e0398bc717f2 First attempt at using import rather than imp
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parents: 2139
diff changeset
   269
            tp = filter(None,list(baseDir))
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diff changeset
   270
        for p in tp:
2160
0ac717b8d778 Minor changes to recursiveimport
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diff changeset
   271
            p = normalize(p)
2156
e0398bc717f2 First attempt at using import rather than imp
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   272
            if p not in path: path.insert(0,p)
1396
40d1361f08b7 Enhanced the error message from recursiveImport
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diff changeset
   273
1821
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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diff changeset
   274
    if noCWD:
2160
0ac717b8d778 Minor changes to recursiveimport
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parents: 2156
diff changeset
   275
        for p in ('','.',normalize('.')):
0ac717b8d778 Minor changes to recursiveimport
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parents: 2156
diff changeset
   276
            while p in path:
0ac717b8d778 Minor changes to recursiveimport
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diff changeset
   277
                if debug: print 'removed "%s" from path' % p
0ac717b8d778 Minor changes to recursiveimport
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parents: 2156
diff changeset
   278
                path.remove(p)
0ac717b8d778 Minor changes to recursiveimport
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diff changeset
   279
    elif '.' not in path:
1821
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diff changeset
   280
            path.insert(0,'.')
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parents: 1683
diff changeset
   281
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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diff changeset
   282
    if debug:
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diff changeset
   283
        import pprint
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diff changeset
   284
        pp = pprint.pprint
2244
58148991bc4d Improvements for compact running
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parents: 2240
diff changeset
   285
        print 'path=',
58148991bc4d Improvements for compact running
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parents: 2240
diff changeset
   286
        pp(path)
2200
be0cfccc662a Fixed up tabs and whitespace in all source files
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parents: 2160
diff changeset
   287
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
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diff changeset
   288
    #make import errors a bit more informative
2156
e0398bc717f2 First attempt at using import rather than imp
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parents: 2139
diff changeset
   289
    opath = sys.path
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
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diff changeset
   290
    try:
2156
e0398bc717f2 First attempt at using import rather than imp
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parents: 2139
diff changeset
   291
        sys.path = path
2160
0ac717b8d778 Minor changes to recursiveimport
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parents: 2156
diff changeset
   292
        exec 'import %s\nm = %s\n' % (modulename,modulename) in locals()
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parents: 2156
diff changeset
   293
        sys.path = opath
2156
e0398bc717f2 First attempt at using import rather than imp
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parents: 2139
diff changeset
   294
        return m
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
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parents: 1650
diff changeset
   295
    except ImportError:
2160
0ac717b8d778 Minor changes to recursiveimport
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parents: 2156
diff changeset
   296
        sys.path = opath
2156
e0398bc717f2 First attempt at using import rather than imp
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parents: 2139
diff changeset
   297
        msg = "recursiveimport(%s,baseDir=%s) failed" % (modulename,baseDir)
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
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parents: 1650
diff changeset
   298
        if baseDir:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   299
            msg = msg + " under paths '%s'" % `path`
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   300
        raise ImportError, msg
1396
40d1361f08b7 Enhanced the error message from recursiveImport
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parents: 1389
diff changeset
   301
1821
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   302
def recursiveGetAttr(obj, name):
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   303
    "Can call down into e.g. object1.object2[4].attr"
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parents: 1683
diff changeset
   304
    return eval(name, obj.__dict__)
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parents: 1683
diff changeset
   305
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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diff changeset
   306
def recursiveSetAttr(obj, name, value):
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   307
    "Can call down into e.g. object1.object2[4].attr = value"
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parents: 1683
diff changeset
   308
    #get the thing above last.
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   309
    tokens = string.split(name, '.')
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parents: 1683
diff changeset
   310
    if len(tokens) == 1:
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   311
        setattr(obj, name, value)
2200
be0cfccc662a Fixed up tabs and whitespace in all source files
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parents: 2160
diff changeset
   312
    else:
1821
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   313
        most = string.join(tokens[:-1], '.')
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parents: 1683
diff changeset
   314
        last = tokens[-1]
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parents: 1683
diff changeset
   315
        parent = recursiveGetAttr(obj, most)
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   316
        setattr(parent, last, value)
7854ddd0fc30 Fixed recursive import, setting and gettign attributes
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parents: 1683
diff changeset
   317
674
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 562
diff changeset
   318
def import_zlib():
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   319
    try:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   320
        import zlib
2053
2a962a30dc46 Removed checkImportError
rgbecker
parents: 2051
diff changeset
   321
    except ImportError:
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   322
        zlib = None
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   323
        from reportlab.rl_config import ZLIB_WARNINGS
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   324
        if ZLIB_WARNINGS: warnOnce('zlib not available')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   325
    return zlib
674
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 562
diff changeset
   326
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   327
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   328
# Image Capability Detection.  Set a flag haveImages
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   329
# to tell us if either PIL or Java imaging libraries present.
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   330
# define PIL_Image as either None, or an alias for the PIL.Image
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   331
# module, as there are 2 ways to import it
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   332
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   333
if sys.platform[0:4] == 'java':
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   334
    try:
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   335
        import javax.imageio
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   336
        import java.awt.image
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   337
        haveImages = 1
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   338
    except:
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   339
        haveImages = 0
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   340
else:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   341
    try:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   342
        from PIL import Image
2053
2a962a30dc46 Removed checkImportError
rgbecker
parents: 2051
diff changeset
   343
    except ImportError:
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   344
        try:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   345
            import Image
2053
2a962a30dc46 Removed checkImportError
rgbecker
parents: 2051
diff changeset
   346
        except ImportError:
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   347
            Image = None
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   348
    haveImages = Image is not None
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   349
    if haveImages: del Image
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   350
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   351
1586
d600d8ffaa21 This seems adequate if we avoid Dinuisms like writing to initialised StringIOs
rgbecker
parents: 1584
diff changeset
   352
__StringIO=None
1580
50792f072538 use generalised StringIO instance interface
rgbecker
parents: 1575
diff changeset
   353
def getStringIO(buf=None):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   354
    '''unified StringIO instance interface'''
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   355
    global __StringIO
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   356
    if not __StringIO:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   357
        try:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   358
            from cStringIO import StringIO
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   359
        except ImportError:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   360
            from StringIO import StringIO
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   361
        __StringIO = StringIO
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   362
    return buf is not None and __StringIO(buf) or __StringIO()
1580
50792f072538 use generalised StringIO instance interface
rgbecker
parents: 1575
diff changeset
   363
1375
cb8e4098def5 Added ArgvDictValue and getArgvDict
rgbecker
parents: 1153
diff changeset
   364
class ArgvDictValue:
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   365
    '''A type to allow clients of getArgvDict to specify a conversion function'''
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   366
    def __init__(self,value,func):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   367
        self.value = value
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   368
        self.func = func
1375
cb8e4098def5 Added ArgvDictValue and getArgvDict
rgbecker
parents: 1153
diff changeset
   369
cb8e4098def5 Added ArgvDictValue and getArgvDict
rgbecker
parents: 1153
diff changeset
   370
def getArgvDict(**kw):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   371
    ''' Builds a dictionary from its keyword arguments with overrides from sys.argv.
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   372
        Attempts to be smart about conversions, but the value can be an instance
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   373
        of ArgDictValue to allow specifying a conversion function.
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   374
    '''
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   375
    def handleValue(v,av,func):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   376
        if func:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   377
            v = func(av)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   378
        else:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   379
            t = type(v)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   380
            if t is StringType:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   381
                v = av
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   382
            elif t is FloatType:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   383
                v = float(av)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   384
            elif t is IntType:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   385
                v = int(av)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   386
            elif t is ListType:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   387
                v = list(eval(av))
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   388
            elif t is TupleType:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   389
                v = tuple(eval(av))
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   390
            else:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   391
                raise TypeError, "Can't convert string '%s' to %s" % (av,str(t))
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   392
        return v
1387
715edbf17c7a Improved argv stuff
rgbecker
parents: 1375
diff changeset
   393
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   394
    A = sys.argv[1:]
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   395
    R = {}
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   396
    for k, v in kw.items():
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   397
        if isinstance(v,ArgvDictValue):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   398
            v, func = v.value, v.func
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   399
        else:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   400
            func = None
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   401
        handled = 0
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   402
        ke = k+'='
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   403
        for a in A:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   404
            if string.find(a,ke)==0:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   405
                av = a[len(ke):]
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   406
                A.remove(a)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   407
                R[k] = handleValue(v,av,func)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   408
                handled = 1
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   409
                break
1387
715edbf17c7a Improved argv stuff
rgbecker
parents: 1375
diff changeset
   410
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   411
        if not handled: R[k] = handleValue(v,v,func)
1387
715edbf17c7a Improved argv stuff
rgbecker
parents: 1375
diff changeset
   412
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   413
    return R
1375
cb8e4098def5 Added ArgvDictValue and getArgvDict
rgbecker
parents: 1153
diff changeset
   414
452
6bb011a0d63e Initial version of D Yoo's pyHnj
rgbecker
parents: 448
diff changeset
   415
def getHyphenater(hDict=None):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   416
    try:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   417
        from reportlab.lib.pyHnj import Hyphen
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   418
        if hDict is None: hDict=os.path.join(os.path.dirname(__file__),'hyphen.mashed')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   419
        return Hyphen(hDict)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   420
    except ImportError, errMsg:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   421
        if str(errMsg)!='No module named pyHnj': raise
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   422
        return None
452
6bb011a0d63e Initial version of D Yoo's pyHnj
rgbecker
parents: 448
diff changeset
   423
448
cb0c4d97e29b Added _className func
rgbecker
parents: 413
diff changeset
   424
def _className(self):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   425
    '''Return a shortened class name'''
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   426
    try:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   427
        name = self.__class__.__name__
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   428
        i=string.rfind(name,'.')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   429
        if i>=0: return name[i+1:]
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   430
        return name
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   431
    except AttributeError:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   432
        return str(self)
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   433
2309
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   434
def open_for_read_by_name(name,mode='b'):
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   435
    if 'r' not in mode: mode = 'r'+mode
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   436
    try:
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   437
        return open(name,mode)
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   438
    except IOError:
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   439
        if _isFSD or __loader__ is None: raise
2313
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   440
        #we have a __loader__, perhaps the filename starts with
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   441
        #the dirname(reportlab.__file__) or is relative
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   442
        name = _startswith_rl(name)
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   443
        s = __loader__.get_data(name)
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   444
        if 'b' not in mode and os.linesep!='\n': s = s.replace(os.linesep,'\n')
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   445
        return getStringIO(s)
2309
47243845ef50 Attempt to fix open_for_read again
rgbecker
parents: 2307
diff changeset
   446
2313
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   447
import urllib
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   448
def open_for_read(name,mode='b', urlopen=urllib.urlopen):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   449
    '''attempt to open a file or URL for reading'''
2229
99cb312c5269 Fix transparency & jpeg behaviour
rgbecker
parents: 2227
diff changeset
   450
    if hasattr(name,'read'): return name
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   451
    try:
2313
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   452
        return open_for_read_by_name(name,mode)
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   453
    except:
2313
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   454
        try:
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   455
            return getStringIO(urlopen(name).read())
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   456
        except:
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   457
            raise IOError('Cannot open resource "%s"' % name)
e823a147f0b5 Another rework of the open for read code
rgbecker
parents: 2309
diff changeset
   458
del urllib
1575
7d2360bdfc4d Added open_for_read
rgbecker
parents: 1561
diff changeset
   459
2225
783cbac215e5 Improve the fs distro check
rgbecker
parents: 2215
diff changeset
   460
def open_and_read(name,mode='b'):
783cbac215e5 Improve the fs distro check
rgbecker
parents: 2215
diff changeset
   461
    return open_for_read(name,mode).read()
783cbac215e5 Improve the fs distro check
rgbecker
parents: 2215
diff changeset
   462
2247
256cea0756a9 Added open_and_readlines
rgbecker
parents: 2244
diff changeset
   463
def open_and_readlines(name,mode='t'):
256cea0756a9 Added open_and_readlines
rgbecker
parents: 2244
diff changeset
   464
    return open_and_read(name,mode).split('\n')
256cea0756a9 Added open_and_readlines
rgbecker
parents: 2244
diff changeset
   465
2240
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   466
def rl_isfile(fn,os_path_isfile=os.path.isfile):
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   467
    if hasattr(fn,'read'): return True
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   468
    if os_path_isfile(fn): return True
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   469
    if _isFSD or __loader__ is None: return False
2244
58148991bc4d Improvements for compact running
rgbecker
parents: 2240
diff changeset
   470
    fn = _startswith_rl(fn)
58148991bc4d Improvements for compact running
rgbecker
parents: 2240
diff changeset
   471
    return fn in __loader__._files.keys()
2240
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   472
2339
4b1dae4bd1a8 More changes related to compact distro path recognition
rgbecker
parents: 2332
diff changeset
   473
def rl_isdir(pn,os_path_isdir=os.path.isdir,os_path_normpath=os.path.normpath):
2244
58148991bc4d Improvements for compact running
rgbecker
parents: 2240
diff changeset
   474
    if os_path_isdir(pn): return True
58148991bc4d Improvements for compact running
rgbecker
parents: 2240
diff changeset
   475
    if _isFSD or __loader__ is None: return False
2354
c20a2fe18b0e reportlab.lib.utils fix rl_isdir
rgbecker
parents: 2352
diff changeset
   476
    pn = _startswith_rl(os_path_normpath(pn))
c20a2fe18b0e reportlab.lib.utils fix rl_isdir
rgbecker
parents: 2352
diff changeset
   477
    if not pn.endswith(os.sep): pn += os.sep
2258
08e55f5390cc Remove things that python 2.1 fails on
rgbecker
parents: 2256
diff changeset
   478
    return len(filter(lambda x,pn=pn: x.startswith(pn),__loader__._files.keys()))>0
2240
068e2487e780 Added rl_isfile
rgbecker
parents: 2231
diff changeset
   479
2301
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   480
def rl_get_module(name,dir):
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   481
    if sys.modules.has_key(name):
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   482
        om = sys.modules[name]
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   483
        del sys.modules[name]
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   484
    else:
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   485
        om = None
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   486
    try:
2302
240a26f9ee8f rl_get_module now seems to work as intended
rgbecker
parents: 2301
diff changeset
   487
        f = None
2301
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   488
        try:
2302
240a26f9ee8f rl_get_module now seems to work as intended
rgbecker
parents: 2301
diff changeset
   489
            f, p, desc= imp.find_module(name,[dir])
2301
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   490
            return imp.load_module(name,f,p,desc)
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   491
        except:
2307
a1f106a7bed8 More compact distro changes
rgbecker
parents: 2305
diff changeset
   492
            if isCompactDistro():
2301
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   493
                #attempt a load from inside the zip archive
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   494
                import zipimport
2307
a1f106a7bed8 More compact distro changes
rgbecker
parents: 2305
diff changeset
   495
                dir = _startswith_rl(dir)
2356
4a71278dd82d Minor fixes to lib.utils.rl_get_module
rgbecker
parents: 2354
diff changeset
   496
                dir = (dir=='.' or not dir) and _archive or os.path.join(_archive,dir.replace('/',os.sep))
2327
c40a1b477f3f Forgot to check the exactly equal case for _startswith_rl
rgbecker
parents: 2313
diff changeset
   497
                zi = zipimport.zipimporter(dir)
2301
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   498
                return zi.load_module(name)
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   499
            raise ImportError('%s[%s]' % (name,dir))
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   500
    finally:
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   501
        if om: sys.modules[name] = om
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   502
        del om
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   503
        if f: f.close()
3df8c1c14c0e rl_get_module added
rgbecker
parents: 2300
diff changeset
   504
2487
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   505
def _isPILImage(im):
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   506
    try:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   507
        from PIL.Image import Image
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   508
        return isinstance(im,Image)
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   509
    except ImportError:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   510
        return 0
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   511
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   512
class ImageReader:
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   513
    "Wraps up either PIL or Java to get data from bitmaps"
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   514
    def __init__(self, fileName):
2487
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   515
        if isinstance(fileName,ImageReader):
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   516
            self.__dict__ = fileName.__dict__   #borgize
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   517
            return
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   518
        if not haveImages:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   519
            warnOnce('Imaging Library not available, unable to import bitmaps')
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   520
            return
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   521
        #start wih lots of null private fields, to be populated by
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   522
        #the relevant engine.
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   523
        self.fileName = fileName
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   524
        self._image = None
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   525
        self._width = None
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   526
        self._height = None
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   527
        self._transparent = None
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   528
        self._data = None
2487
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   529
        if _isPILImage(fileName):
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   530
            self._image = fileName
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   531
            self.fp = fileName.fp
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   532
            try:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   533
                self.fileName = im.fileName
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   534
            except AttributeError:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   535
                self.fileName = 'PILIMAGE_%d' % id(self)
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   536
        else:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   537
            self.fp = open_for_read(fileName,'b')
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   538
            #detect which library we are using and open the image
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   539
            if sys.platform[0:4] == 'java':
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   540
                from javax.imageio import ImageIO
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   541
                self._image = ImageIO.read(self.fp)
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   542
            else:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   543
                import PIL.Image
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   544
                self._image = PIL.Image.open(self.fp)
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   545
                if self._image=='JPEG': self.jpeg_fh = self._jpeg_fp
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   546
2487
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   547
    def _jpeg_fh(self):
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   548
        fp = self.fp
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   549
        fp.seek(0)
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   550
        return fp
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   551
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   552
    def jpeg_fh(self):
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   553
        return None
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   554
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   555
    def getSize(self):
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   556
        if (self._width is None or self._height is None):
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   557
            if sys.platform[0:4] == 'java':
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   558
                self._width = self._image.getWidth()
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   559
                self._height = self._image.getHeight()
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   560
            else:
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   561
                self._width, self._height = self._image.size
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   562
        return (self._width, self._height)
2200
be0cfccc662a Fixed up tabs and whitespace in all source files
andy_robinson
parents: 2160
diff changeset
   563
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   564
    def getRGBData(self):
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   565
        "Return byte array of RGB data as string"
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   566
        if self._data is None:
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   567
            if sys.platform[0:4] == 'java':
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   568
                import jarray
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   569
                from java.awt.image import PixelGrabber
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   570
                width, height = self.getSize()
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   571
                buffer = jarray.zeros(width*height, 'i')
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   572
                pg = PixelGrabber(self._image, 0,0,width,height,buffer,0,width)
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   573
                pg.grabPixels()
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   574
                # there must be a way to do this with a cast not a byte-level loop,
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   575
                # I just haven't found it yet...
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   576
                pixels = []
2059
e5eec1dd6f0c ImageReader can now take File objects as well as Strings
dragan1
parents: 2057
diff changeset
   577
                a = pixels.append
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   578
                for i in range(len(buffer)):
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   579
                    rgb = buffer[i]
2087
5c4b76884d9d fixed java file read bug
dragan1
parents: 2086
diff changeset
   580
                    a(chr((rgb>>16)&0xff))
5c4b76884d9d fixed java file read bug
dragan1
parents: 2086
diff changeset
   581
                    a(chr((rgb>>8)&0xff))
2059
e5eec1dd6f0c ImageReader can now take File objects as well as Strings
dragan1
parents: 2057
diff changeset
   582
                    a(chr(rgb&0xff))
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   583
                self._data = ''.join(pixels)
2482
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   584
                self.mode = 'RGB'
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   585
            else:
2482
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   586
                im = self._image
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   587
                mode = self.mode = im.mode
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   588
                if mode not in ('L','RGB','CMYK'):
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   589
                    im = im.convert('RGB')
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   590
                    self.mode = 'RGB'
4ae04d1800af CMYK image improvements
rgbecker
parents: 2479
diff changeset
   591
                self._data = im.tostring()
2200
be0cfccc662a Fixed up tabs and whitespace in all source files
andy_robinson
parents: 2160
diff changeset
   592
        return self._data
2045
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   593
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   594
    def getImageData(self):
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   595
        width, height = self.getSize()
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   596
        return width, height, self.getRGBData()
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   597
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   598
    def getTransparent(self):
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   599
        if sys.platform[0:4] == 'java':
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   600
            return None
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   601
        else:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   602
            if self._image.info.has_key("transparency"):
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   603
                transparency = self._image.info["transparency"] * 3
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   604
                palette = self._image.palette
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   605
                try:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   606
                    palette = palette.palette
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   607
                except:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   608
                    palette = palette.data
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   609
                return map(ord, palette[transparency:transparency+3])
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   610
            else:
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   611
                return None
cc042609c62e hack to ImageReader
rgbecker
parents: 2044
diff changeset
   612
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   613
def getImageData(imageFileName):
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   614
    "Get width, height and RGB pixels from image file.  Wraps Java/PIL"
2487
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   615
    try:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   616
        return imageFileName.getImageData()
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   617
    except AttributeError:
a51bf871b709 reportlab: better support for PIL image
rgbecker
parents: 2484
diff changeset
   618
        return ImageReader(imageFileName).getImageData()
2044
3be472f4a6dd Various work on abstracting out images, plus outstanding patches
andy_robinson
parents: 2007
diff changeset
   619
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   620
class DebugMemo:
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   621
    '''Intended as a simple report back encapsulator
1545
966ccacc4c7d Changes to DebugMemo.__doc__
rgbecker
parents: 1543
diff changeset
   622
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   623
    Typical usages
1683
7fa753e4420a Removed all trailing whitespace
andy_robinson
parents: 1677
diff changeset
   624
    1) To record error data
7fa753e4420a Removed all trailing whitespace
andy_robinson
parents: 1677
diff changeset
   625
        dbg = DebugMemo(fn='dbgmemo.dbg',myVar=value)
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   626
        dbg.add(anotherPayload='aaaa',andagain='bbb')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   627
        dbg.dump()
1543
3681c7d8898d Slight formatting improvements & added payload method
rgbecker
parents: 1538
diff changeset
   628
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   629
    2) To show the recorded info
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   630
        dbg = DebugMemo(fn='dbgmemo.dbg',mode='r')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   631
        dbg.load()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   632
        dbg.show()
1543
3681c7d8898d Slight formatting improvements & added payload method
rgbecker
parents: 1538
diff changeset
   633
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   634
    3) To re-use recorded information
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   635
        dbg = DebugMemo(fn='dbgmemo.dbg',mode='r')
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   636
            dbg.load()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   637
        myTestFunc(dbg.payload('myVar'),dbg.payload('andagain'))
1545
966ccacc4c7d Changes to DebugMemo.__doc__
rgbecker
parents: 1543
diff changeset
   638
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   639
    in addition to the payload variables the dump records many useful bits
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   640
    of information which are also printed in the show() method.
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   641
    '''
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   642
    def __init__(self,fn='rl_dbgmemo.dbg',mode='w',getScript=1,modules=(),capture_traceback=1, stdout=None, **kw):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   643
        import time, socket
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   644
        self.fn = fn
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   645
        if mode!='w': return
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   646
        if not stdout: 
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   647
            self.stdout = sys.stdout
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   648
        else:
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   649
            if hasattr(stdout,'write'):
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   650
                self.stdout = stdout
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   651
            else:
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   652
                self.stdout = open(stdout,'w')
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   653
        self.store = store = {}
2296
8f5419265559 Added capture_traceback=1 to DebugMemo init
rgbecker
parents: 2279
diff changeset
   654
        if capture_traceback and sys.exc_info() != (None,None,None):
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   655
            import traceback
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   656
            s = getStringIO()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   657
            traceback.print_exc(None,s)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   658
            store['__traceback'] = s.getvalue()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   659
        cwd=os.getcwd()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   660
        lcwd = os.listdir(cwd)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   661
        exed = os.path.abspath(os.path.dirname(sys.argv[0]))
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   662
        store.update({  'gmt': time.asctime(time.gmtime(time.time())),
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   663
                        'platform': sys.platform,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   664
                        'version': sys.version,
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   665
                        'hexversion': hex(sys.hexversion),
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   666
                        'executable': sys.executable,
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   667
                        'exec_prefix': sys.exec_prefix,
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   668
                        'prefix': sys.prefix,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   669
                        'path': sys.path,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   670
                        'argv': sys.argv,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   671
                        'cwd': cwd,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   672
                        'hostname': socket.gethostname(),
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   673
                        'lcwd': lcwd,
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   674
                        'byteorder': sys.byteorder,
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   675
                        'maxint': sys.maxint,
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   676
                        'maxint': getattr(sys,'maxunicode','????'),
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   677
                        'api_version': getattr(sys,'api_version','????'),
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   678
                        'version_info': getattr(sys,'version_info','????'),
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   679
                        'winver': getattr(sys,'winver','????'),
2459
a1be912dcbd4 Add process environment to logged traceback
jjlee
parents: 2454
diff changeset
   680
                        'environment': os.environ,
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   681
                        })
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   682
        for M,A in (
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   683
                (sys,('getwindowsversion','getfilesystemencoding')),
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   684
                (os,('uname', 'ctermid', 'getgid', 'getuid', 'getegid',
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   685
                    'geteuid', 'getlogin', 'getgroups', 'getpgrp', 'getpid', 'getppid',
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   686
                    )),
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   687
                ):
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   688
            for a in A:
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   689
                if hasattr(M,a):
2300
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   690
                    try:
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   691
                        store[a] = getattr(M,a)()
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   692
                    except:
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   693
                        pass
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   694
        if exed!=cwd:
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   695
            try:
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   696
                store.update({'exed': exed, 'lexed': os.listdir(exed),})
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   697
            except:
3896af138a75 Attempt to robustify the memo
rgbecker
parents: 2297
diff changeset
   698
                pass
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   699
        if getScript:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   700
            fn = os.path.abspath(sys.argv[0])
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   701
            if os.path.isfile(fn):
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   702
                try:
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   703
                    store['__script'] = (fn,open(fn,'r').read())
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   704
                except:
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   705
                    pass
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   706
        module_versions = {}
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   707
        for n,m in sys.modules.items():
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   708
            if n=='reportlab' or n=='rlextra' or n[:10]=='reportlab.' or n[:8]=='rlextra.':
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   709
                v = getattr(m,'__version__',None)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   710
                if v: module_versions[n] = v
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   711
        store['__module_versions'] = module_versions
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   712
        self.store['__payload'] = {}
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   713
        self._add(kw)
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   714
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   715
    def _add(self,D):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   716
        payload = self.store['__payload']
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   717
        for k, v in D.items():
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   718
            payload[k] = v
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   719
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   720
    def add(self,**kw):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   721
        self._add(kw)
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   722
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   723
    def dump(self):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   724
        import pickle
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   725
        pickle.dump(self.store,open(self.fn,'wb'))
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   726
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   727
    def load(self):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   728
        import pickle
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   729
        self.store = pickle.load(open(self.fn,'rb'))
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   730
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   731
    def _show_module_versions(self,k,v):
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   732
        self._writeln(k[2:])
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   733
        K = v.keys()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   734
        K.sort()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   735
        for k in K:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   736
            vk = v[k]
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   737
            try:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   738
                m = recursiveImport(k,sys.path[:],1)
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   739
                d = getattr(m,'__version__',None)==vk and 'SAME' or 'DIFFERENT'
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   740
            except:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   741
                m = None
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   742
                d = '??????unknown??????'
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   743
            self._writeln('  %s = %s (%s)' % (k,vk,d))
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   744
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   745
    def _banner(self,k,what):
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   746
        self._writeln('###################%s %s##################' % (what,k[2:]))
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   747
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   748
    def _start(self,k):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   749
        self._banner(k,'Start  ')
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   750
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   751
    def _finish(self,k):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   752
        self._banner(k,'Finish ')
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   753
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   754
    def _show_lines(self,k,v):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   755
        self._start(k)
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   756
        self._writeln(v)
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   757
        self._finish(k)
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   758
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   759
    def _show_file(self,k,v):
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   760
        k = '%s %s' % (k,os.path.basename(v[0]))
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   761
        self._show_lines(k,v[1])
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   762
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   763
    def _show_payload(self,k,v):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   764
        if v:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   765
            import pprint
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   766
            self._start(k)
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   767
            pprint.pprint(v,self.stdout)
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   768
            self._finish(k)
1538
faefcdc303a9 Added DebugMemo stuff
rgbecker
parents: 1537
diff changeset
   769
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   770
    specials = {'__module_versions': _show_module_versions,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   771
                '__payload': _show_payload,
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   772
                '__traceback': _show_lines,
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   773
                '__script': _show_file,
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   774
                }
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   775
    def show(self):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   776
        K = self.store.keys()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   777
        K.sort()
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   778
        for k in K:
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   779
            if k not in self.specials.keys(): self._writeln('%-15s = %s' % (k,self.store[k]))
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   780
        for k in K:
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   781
            if k in self.specials.keys(): apply(self.specials[k],(self,k,self.store[k]))
1543
3681c7d8898d Slight formatting improvements & added payload method
rgbecker
parents: 1538
diff changeset
   782
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   783
    def payload(self,name):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   784
        return self.store['__payload'][name]
1561
1b10f25e76df Add DebugMemo __g/setitem__
rgbecker
parents: 1545
diff changeset
   785
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   786
    def __setitem__(self,name,value):
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   787
        self.store['__payload'][name] = value
1561
1b10f25e76df Add DebugMemo __g/setitem__
rgbecker
parents: 1545
diff changeset
   788
1677
1450177dd19e Exterminated all tab characters and added a test to make sure
andy_robinson
parents: 1650
diff changeset
   789
    def __getitem__(self,name):
1833
135322abc191 Fix recursivImport for case when baseDir is a sequence
rgbecker
parents: 1821
diff changeset
   790
        return self.store['__payload'][name]
2297
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   791
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   792
    def _writeln(self,msg):
7c706ac8a6b7 Added some more stuff and script name to DebugMemo output
rgbecker
parents: 2296
diff changeset
   793
        self.stdout.write(msg+'\n')
2365
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   794
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   795
def _flatten(L,a):
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   796
    for x in L:
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   797
        if type(x) in SeqTypes: _flatten(x,a)
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   798
        else: a(x)
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   799
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   800
def flatten(L):
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   801
    '''recursively flatten the list or tuple L'''
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   802
    R = []
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   803
    _flatten(L,R.append)
cda528e430aa reportlab/lib/utils.py: added flatten utility function
rgbecker
parents: 2356
diff changeset
   804
    return R
2406
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   805
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   806
def find_locals(func,depth=0):
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   807
    '''apply func to the locals at each stack frame till func returns a non false value'''
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   808
    while 1:
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   809
        _ = func(sys._getframe(depth).f_locals)
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   810
        if _: return _
311191cddb33 reportlab lib utils.py: add find_locals
rgbecker
parents: 2365
diff changeset
   811
        depth += 1
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   812
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   813
class _FmtSelfDict:
2479
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   814
    def __init__(self,obj,overrideArgs):
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   815
        self.obj = obj
2479
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   816
        self._overrideArgs = overrideArgs
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   817
    def __getitem__(self,k):
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   818
        try:
2479
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   819
            return self._overrideArgs[k]
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   820
        except KeyError:
2479
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   821
            try:
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   822
                return self.obj.__dict__[k]
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   823
            except KeyError:
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   824
                return getattr(self.obj,k)
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   825
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   826
class FmtSelfDict:
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   827
    '''mixin to provide the _fmt method'''
2479
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   828
    def _fmt(self,fmt,**overrideArgs):
ea93388b723d Allow overriding parameters in _fmt utility method
jjlee
parents: 2459
diff changeset
   829
        D = _FmtSelfDict(self, overrideArgs)
2454
8cc3d50b0703 utils.py: added FmtSelfDict class
rgbecker
parents: 2448
diff changeset
   830
        return fmt % D