Removes code comments
Fakabbir Amin
parent
3f0f05def6
commit
3d549ea48c
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@ -1,5 +1,3 @@
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""" Adobe character mapping (CMap) support.
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CMaps provide the mapping between character codes and Unicode
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@ -40,8 +38,6 @@ class CMapError(Exception):
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pass
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## CMapBase
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##
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class CMapBase(object):
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debug = 0
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@ -67,8 +63,6 @@ class CMapBase(object):
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return
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## CMap
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##
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class CMap(CMapBase):
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def __init__(self, **kwargs):
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@ -119,8 +113,6 @@ class CMap(CMapBase):
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return
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## IdentityCMap
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##
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class IdentityCMap(CMapBase):
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def decode(self, code):
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@ -140,8 +132,7 @@ class IdentityCMapByte(IdentityCMap):
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else:
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return ()
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## UnicodeMap
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##
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class UnicodeMap(CMapBase):
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def __init__(self, **kwargs):
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@ -162,8 +153,6 @@ class UnicodeMap(CMapBase):
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return
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## FileCMap
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##
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class FileCMap(CMap):
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def add_code2cid(self, code, cid):
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@ -182,8 +171,6 @@ class FileCMap(CMap):
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return
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## FileUnicodeMap
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##
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class FileUnicodeMap(UnicodeMap):
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def add_cid2unichr(self, cid, code):
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@ -201,8 +188,6 @@ class FileUnicodeMap(UnicodeMap):
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return
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## PyCMap
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##
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class PyCMap(CMap):
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def __init__(self, name, module):
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@ -213,8 +198,6 @@ class PyCMap(CMap):
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return
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## PyUnicodeMap
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##
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class PyUnicodeMap(UnicodeMap):
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def __init__(self, name, module, vertical):
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@ -227,8 +210,6 @@ class PyUnicodeMap(UnicodeMap):
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return
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## CMapDB
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##
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class CMapDB(object):
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_cmap_cache = {}
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@ -284,8 +265,6 @@ class CMapDB(object):
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return umaps[vertical]
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## CMapParser
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##
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class CMapParser(PSStackParser):
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def __init__(self, cmap, fp):
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@ -373,7 +352,6 @@ class CMapParser(PSStackParser):
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s1 = nunpack(svar)
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e1 = nunpack(evar)
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vlen = len(svar)
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#assert s1 <= e1, str((s1, e1))
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for i in range(e1-s1+1):
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x = sprefix+struct.pack('>L', s1+i)[-vlen:]
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self.cmap.add_code2cid(x, cid+i)
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@ -400,7 +378,6 @@ class CMapParser(PSStackParser):
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continue
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s1 = nunpack(s)
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e1 = nunpack(e)
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#assert s1 <= e1, str((s1, e1))
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if isinstance(code, list):
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for i in range(e1-s1+1):
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self.cmap.add_cid2unichr(s1+i, code[i])
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@ -435,17 +412,16 @@ class CMapParser(PSStackParser):
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return
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# test
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def main(argv):
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args = argv[1:]
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for fname in args:
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fp = open(fname, 'rb')
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cmap = FileUnicodeMap()
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#cmap = FileCMap()
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CMapParser(cmap, fp).run()
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fp.close()
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cmap.dump()
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return
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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@ -35,7 +35,6 @@ from .utils import nunpack
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log = logging.getLogger(__name__)
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def get_widths(seq):
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widths = {}
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r = []
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@ -54,10 +53,6 @@ def get_widths(seq):
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widths[i] = w
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r = []
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return widths
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#assert get_widths([1]) == {}
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#assert get_widths([1,2,3]) == {1:3, 2:3}
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#assert get_widths([1,[2,3],6,[7,8]]) == {1:2,2:3, 6:7,7:8}
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def get_widths2(seq):
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widths = {}
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@ -77,13 +72,8 @@ def get_widths2(seq):
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widths[i] = (w, (vx, vy))
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r = []
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return widths
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#assert get_widths2([1]) == {}
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#assert get_widths2([1,2,3,4,5]) == {1:(3, (4,5)), 2:(3, (4,5))}
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#assert get_widths2([1,[2,3,4,5],6,[7,8,9]]) == {1:(2, (3,4)), 6:(7, (8,9))}
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## FontMetricsDB
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##
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class FontMetricsDB(object):
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@classmethod
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@ -91,8 +81,6 @@ class FontMetricsDB(object):
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return FONT_METRICS[fontname]
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## Type1FontHeaderParser
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##
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class Type1FontHeaderParser(PSStackParser):
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KEYWORD_BEGIN = KWD(b'begin')
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@ -142,6 +130,10 @@ class Type1FontHeaderParser(PSStackParser):
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NIBBLES = ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', 'e', 'e-', None, '-')
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"""
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Note: DLIdent-* isn't found in PDF Reference but is been kept as
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it is harmless and have possibility of been a type. (induced from bug report/PR)
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"""
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IDENTITY_ENCODER = {'Identity-H':'Identity-H',
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'Identity-V':'Identity-V',
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'DLIdent-H':'Identity-H',
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@ -150,10 +142,6 @@ IDENTITY_ENCODER = {'Identity-H':'Identity-H',
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'OneByteIdentityV':'OneByteIdentityV',
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}
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## CFFFont
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## (Format specified in Adobe Technical Note: #5176
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## "The Compact Font Format Specification")
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##
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def getdict(data):
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d = {}
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fp = BytesIO(data)
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@ -281,6 +269,7 @@ class CFFFont(object):
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'Light', 'Medium', 'Regular', 'Roman', 'Semibold',
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)
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class INDEX(object):
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def __init__(self, fp):
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@ -381,9 +370,6 @@ class CFFFont(object):
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assert False, str(('Unhandled', format))
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else:
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raise ValueError('unsupported charset format: %r' % format)
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#print self.code2gid
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#print self.name2gid
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#assert 0
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return
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def getstr(self, sid):
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@ -392,8 +378,6 @@ class CFFFont(object):
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return self.string_index[sid-len(self.STANDARD_STRINGS)]
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## TrueTypeFont
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##
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class TrueTypeFont(object):
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class CMapNotFound(Exception):
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@ -479,8 +463,6 @@ class TrueTypeFont(object):
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return unicode_map
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## Fonts
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##
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class PDFFontError(PDFException):
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pass
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@ -492,7 +474,6 @@ LITERAL_STANDARD_ENCODING = LIT('StandardEncoding')
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LITERAL_TYPE1C = LIT('Type1C')
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# PDFFont
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class PDFFont(object):
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def __init__(self, descriptor, widths, default_width=None):
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@ -557,7 +538,6 @@ class PDFFont(object):
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return sum(self.char_width(cid) for cid in self.decode(s))
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# PDFSimpleFont
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class PDFSimpleFont(PDFFont):
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def __init__(self, descriptor, widths, spec):
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@ -594,7 +574,6 @@ class PDFSimpleFont(PDFFont):
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raise PDFUnicodeNotDefined(None, cid)
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# PDFType1Font
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class PDFType1Font(PDFSimpleFont):
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def __init__(self, rsrcmgr, spec):
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@ -626,14 +605,12 @@ class PDFType1Font(PDFSimpleFont):
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return '<PDFType1Font: basefont=%r>' % self.basefont
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# PDFTrueTypeFont
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class PDFTrueTypeFont(PDFType1Font):
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def __repr__(self):
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return '<PDFTrueTypeFont: basefont=%r>' % self.basefont
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# PDFType3Font
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class PDFType3Font(PDFSimpleFont):
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def __init__(self, rsrcmgr, spec):
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return '<PDFType3Font>'
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# PDFCIDFont
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class PDFCIDFont(PDFFont):
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def __init__(self, rsrcmgr, spec, strict=settings.STRICT):
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@ -721,9 +697,9 @@ class PDFCIDFont(PDFFont):
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"""
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For certain PDFs, Encoding Type isn't mentioned as an attribute of
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Encoding but as an attribute of CMapName, where CMapName is an
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attribure of spec['Encoding'].
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The horizaontal/vertical modes are mentioned with diffrent name
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such as 'DLIdent-H/V','OneByteIdentityH/V','Identity-H/V'
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attribute of spec['Encoding'].
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The horizontal/vertical modes are mentioned with different name
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such as 'DLIdent-H/V','OneByteIdentityH/V','Identity-H/V'.
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"""
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try:
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spec_encoding = spec['Encoding']
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except KeyError:
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raise PDFUnicodeNotDefined(self.cidcoding, cid)
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# main
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def main(argv):
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for fname in argv[1:]:
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fp = open(fname, 'rb')
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#font = TrueTypeFont(fname, fp)
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font = CFFFont(fname, fp)
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print (font)
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fp.close()
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return
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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