NovaBryan/EVE_Dump
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__init__.py (2868B)

      1 #Embedded file name: C:\BuildAgent\work\20d73f1b24eed06e\eve\release\V24.01\carbon\common\stdlib\encodings\__init__.py
      2 import codecs
      3 from encodings import aliases
      4 import __builtin__
      5 _cache = {}
      6 _unknown = '--unknown--'
      7 _import_tail = ['*']
      8 _norm_encoding_map = '                                              . 0123456789       ABCDEFGHIJKLMNOPQRSTUVWXYZ      abcdefghijklmnopqrstuvwxyz                                                                                                                                     '
      9 _aliases = aliases.aliases
     10 
     11 class CodecRegistryError(LookupError, SystemError):
     12     pass
     13 
     14 
     15 def normalize_encoding(encoding):
     16     if hasattr(__builtin__, 'unicode') and isinstance(encoding, unicode):
     17         encoding = encoding.encode('latin-1')
     18     return '_'.join(encoding.translate(_norm_encoding_map).split())
     19 
     20 
     21 def search_function(encoding):
     22     entry = _cache.get(encoding, _unknown)
     23     if entry is not _unknown:
     24         return entry
     25     norm_encoding = normalize_encoding(encoding)
     26     aliased_encoding = _aliases.get(norm_encoding) or _aliases.get(norm_encoding.replace('.', '_'))
     27     if aliased_encoding is not None:
     28         modnames = [aliased_encoding, norm_encoding]
     29     else:
     30         modnames = [norm_encoding]
     31     for modname in modnames:
     32         if not modname or '.' in modname:
     33             continue
     34         try:
     35             mod = __import__('encodings.' + modname, fromlist=_import_tail, level=0)
     36         except ImportError:
     37             pass
     38         else:
     39             break
     40 
     41     else:
     42         mod = None
     43 
     44     try:
     45         getregentry = mod.getregentry
     46     except AttributeError:
     47         mod = None
     48 
     49     if mod is None:
     50         _cache[encoding] = None
     51         return
     52     entry = getregentry()
     53     if not isinstance(entry, codecs.CodecInfo):
     54         if not 4 <= len(entry) <= 7:
     55             raise CodecRegistryError, 'module "%s" (%s) failed to register' % (mod.__name__, mod.__file__)
     56         if not hasattr(entry[0], '__call__') or not hasattr(entry[1], '__call__') or entry[2] is not None and not hasattr(entry[2], '__call__') or entry[3] is not None and not hasattr(entry[3], '__call__') or len(entry) > 4 and entry[4] is not None and not hasattr(entry[4], '__call__') or len(entry) > 5 and entry[5] is not None and not hasattr(entry[5], '__call__'):
     57             raise CodecRegistryError, 'incompatible codecs in module "%s" (%s)' % (mod.__name__, mod.__file__)
     58         if len(entry) < 7 or entry[6] is None:
     59             entry += (None,) * (6 - len(entry)) + (mod.__name__.split('.', 1)[1],)
     60         entry = codecs.CodecInfo(*entry)
     61     _cache[encoding] = entry
     62     try:
     63         codecaliases = mod.getaliases()
     64     except AttributeError:
     65         pass
     66     else:
     67         for alias in codecaliases:
     68             if alias not in _aliases:
     69                 _aliases[alias] = modname
     70 
     71     return entry
     72 
     73 
     74 codecs.register(search_function)