Python codecs.make_identity_dict() Examples

The following are 3 code examples of codecs.make_identity_dict(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module codecs , or try the search function .
Example #1
Source File: rl_codecs.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
def _256_exception_codec(name,exceptions,rexceptions,baseRange=range(32,256)):
        import codecs
        decoding_map = codecs.make_identity_dict(baseRange)
        decoding_map.update(exceptions)
        encoding_map = codecs.make_encoding_map(decoding_map)
        if rexceptions: encoding_map.update(rexceptions)
        ### Codec APIs
        class Codec(codecs.Codec):
            def encode(self,input,errors='strict',charmap_encode=codecs.charmap_encode,encoding_map=encoding_map):
                return charmap_encode(input,errors,encoding_map)

            def decode(self,input,errors='strict',charmap_decode=codecs.charmap_decode,decoding_map=decoding_map):
                return charmap_decode(input,errors,decoding_map)

        class StreamWriter(Codec,codecs.StreamWriter):
            pass

        class StreamReader(Codec,codecs.StreamReader):
            pass
        C = Codec()
        return codecs.CodecInfo(C.encode,C.decode,streamreader=StreamReader,streamwriter=StreamWriter,name=name)
Example #2
Source File: rl_codecs.py    From stdm with GNU General Public License v2.0 6 votes vote down vote up 
def _256_exception_codec(xt):
        exceptions,rexceptions = xt
        import codecs
        decoding_map = codecs.make_identity_dict(xrange(32,256))
        decoding_map.update(exceptions)
        encoding_map = codecs.make_encoding_map(decoding_map)
        if rexceptions: encoding_map.update(rexceptions)
        ### Codec APIs
        class Codec(codecs.Codec):
            def encode(self,input,errors='strict',charmap_encode=codecs.charmap_encode,encoding_map=encoding_map):
                return charmap_encode(input,errors,encoding_map)

            def decode(self,input,errors='strict',charmap_decode=codecs.charmap_decode,decoding_map=decoding_map):
                return charmap_decode(input,errors,decoding_map)

        class StreamWriter(Codec,codecs.StreamWriter):
            pass

        class StreamReader(Codec,codecs.StreamReader):
            pass
        C = Codec()
        return (C.encode,C.decode,StreamReader,StreamWriter)
Example #3
Source File: paraparser.py    From stdm with GNU General Public License v2.0 4 votes vote down vote up 
def _greekConvert(data):
    global _greek2Utf8
    if not _greek2Utf8:
        from reportlab.pdfbase.rl_codecs import RL_Codecs
        import codecs
        dm = decoding_map = codecs.make_identity_dict(xrange(32,256))
        for k in xrange(0,32):
            dm[k] = None
        dm.update(RL_Codecs._RL_Codecs__rl_codecs_data['symbol'][0])
        _greek2Utf8 = {}
        for k,v in dm.iteritems():
            if not v:
                u = '\0'
            else:
                u = unichr(v).encode('utf8')
            _greek2Utf8[chr(k)] = u
    return ''.join(map(_greek2Utf8.__getitem__,data))

#------------------------------------------------------------------
# !!! NOTE !!! THIS TEXT IS NOW REPLICATED IN PARAGRAPH.PY !!!
# The ParaFormatter will be able to format the following
# tags:
#       < /b > - bold
#       < /i > - italics
#       < u > < /u > - underline
#       < strike > < /strike > - strike through
#       < super > < /super > - superscript
#       < sup > < /sup > - superscript
#       < sub > < /sub > - subscript
#       <font name=fontfamily/fontname color=colorname size=float>
#        <span name=fontfamily/fontname color=colorname backcolor=colorname size=float style=stylename>
#       < bullet > </bullet> - bullet text (at head of para only)
#       <onDraw name=callable label="a label"/>
#       <index [name="callablecanvasattribute"] label="a label"/>
#       <link>link text</link>
#           attributes of links 
#               size/fontSize=num
#               name/face/fontName=name
#               fg/textColor/color=color
#               backcolor/backColor/bgcolor=color
#               dest/destination/target/href/link=target
#       <a>anchor text</a>
#           attributes of anchors 
#               fontSize=num
#               fontName=name
#               fg/textColor/color=color
#               backcolor/backColor/bgcolor=color
#               href=href
#       <a name="anchorpoint"/>
#       <unichar name="unicode character name"/>
#       <unichar value="unicode code point"/>
#       <img src="path" width="1in" height="1in" valign="bottom"/>
#               width="w%" --> fontSize*w/100   idea from Roberto Alsina
#               height="h%" --> linewidth*h/100 <ralsina@netmanagers.com.ar>
#       <greek> - </greek>
#
#       The whole may be surrounded by <para> </para> tags
#
# It will also be able to handle any MathML specified Greek characters.
#------------------------------------------------------------------