annotate Tools/unicode/gencodec.py @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 8aa5530e8407
children
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1 """ Unicode Mapping Parser and Codec Generator.
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2
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3 This script parses Unicode mapping files as available from the Unicode
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4 site (ftp://ftp.unicode.org/Public/MAPPINGS/) and creates Python codec
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5 modules from them. The codecs use the standard character mapping codec
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6 to actually apply the mapping.
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7
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8 Synopsis: gencodec.py dir codec_prefix
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9
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10 All files in dir are scanned and those producing non-empty mappings
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11 will be written to <codec_prefix><mapname>.py with <mapname> being the
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12 first part of the map's filename ('a' in a.b.c.txt) converted to
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13 lowercase with hyphens replaced by underscores.
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14
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15 The tool also writes marshalled versions of the mapping tables to the
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16 same location (with .mapping extension).
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17
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18 Written by Marc-Andre Lemburg (mal@lemburg.com).
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19
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20 (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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21 (c) Copyright Guido van Rossum, 2000.
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22
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23 Table generation:
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24 (c) Copyright Marc-Andre Lemburg, 2005.
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25 Licensed to PSF under a Contributor Agreement.
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26
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27 """#"
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28
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29 import re, os, marshal, codecs
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30
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31 # Maximum allowed size of charmap tables
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32 MAX_TABLE_SIZE = 8192
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33
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34 # Standard undefined Unicode code point
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35 UNI_UNDEFINED = unichr(0xFFFE)
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36
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37 mapRE = re.compile('((?:0x[0-9a-fA-F]+\+?)+)'
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38 '\s+'
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39 '((?:(?:0x[0-9a-fA-Z]+|<[A-Za-z]+>)\+?)*)'
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40 '\s*'
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41 '(#.+)?')
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42
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43 def parsecodes(codes, len=len, range=range):
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44
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45 """ Converts code combinations to either a single code integer
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46 or a tuple of integers.
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47
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48 meta-codes (in angular brackets, e.g. <LR> and <RL>) are
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49 ignored.
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50
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51 Empty codes or illegal ones are returned as None.
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52
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53 """
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54 if not codes:
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55 return None
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56 l = codes.split('+')
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57 if len(l) == 1:
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58 return int(l[0],16)
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59 for i in range(len(l)):
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60 try:
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61 l[i] = int(l[i],16)
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62 except ValueError:
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63 l[i] = None
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64 l = [x for x in l if x is not None]
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65 if len(l) == 1:
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66 return l[0]
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67 else:
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68 return tuple(l)
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69
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70 def readmap(filename):
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71
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72 f = open(filename,'r')
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73 lines = f.readlines()
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74 f.close()
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75 enc2uni = {}
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76 identity = []
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77 unmapped = range(256)
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78
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79 # UTC mapping tables per convention don't include the identity
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80 # mappings for code points 0x00 - 0x1F and 0x7F, unless these are
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81 # explicitly mapped to different characters or undefined
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82 for i in range(32) + [127]:
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83 identity.append(i)
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84 unmapped.remove(i)
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85 enc2uni[i] = (i, 'CONTROL CHARACTER')
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86
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87 for line in lines:
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88 line = line.strip()
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89 if not line or line[0] == '#':
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90 continue
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91 m = mapRE.match(line)
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92 if not m:
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93 #print '* not matched: %s' % repr(line)
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94 continue
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95 enc,uni,comment = m.groups()
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96 enc = parsecodes(enc)
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97 uni = parsecodes(uni)
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98 if comment is None:
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99 comment = ''
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100 else:
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101 comment = comment[1:].strip()
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102 if enc < 256:
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103 if enc in unmapped:
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104 unmapped.remove(enc)
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105 if enc == uni:
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106 identity.append(enc)
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107 enc2uni[enc] = (uni,comment)
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108 else:
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109 enc2uni[enc] = (uni,comment)
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110
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111 # If there are more identity-mapped entries than unmapped entries,
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112 # it pays to generate an identity dictionary first, and add explicit
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113 # mappings to None for the rest
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114 if len(identity) >= len(unmapped):
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115 for enc in unmapped:
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116 enc2uni[enc] = (None, "")
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117 enc2uni['IDENTITY'] = 256
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118
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119 return enc2uni
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120
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121 def hexrepr(t, precision=4):
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122
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123 if t is None:
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124 return 'None'
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125 try:
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126 len(t)
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127 except:
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128 return '0x%0*X' % (precision, t)
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129 try:
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130 return '(' + ', '.join(['0x%0*X' % (precision, item)
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131 for item in t]) + ')'
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132 except TypeError, why:
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133 print '* failed to convert %r: %s' % (t, why)
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134 raise
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135
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136 def python_mapdef_code(varname, map, comments=1, precisions=(2, 4)):
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137
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
138 l = []
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
139 append = l.append
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140 if "IDENTITY" in map:
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79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
141 append("%s = codecs.make_identity_dict(range(%d))" %
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142 (varname, map["IDENTITY"]))
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143 append("%s.update({" % varname)
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diff changeset
144 splits = 1
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parents:
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145 del map["IDENTITY"]
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
146 identity = 1
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
147 else:
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parents:
diff changeset
148 append("%s = {" % varname)
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parents:
diff changeset
149 splits = 0
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parents:
diff changeset
150 identity = 0
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
151
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diff changeset
152 mappings = sorted(map.items())
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153 i = 0
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diff changeset
154 key_precision, value_precision = precisions
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parents:
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155 for mapkey, mapvalue in mappings:
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Marc-André Lemburg <mal@egenix.com>
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diff changeset
156 mapcomment = ''
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
157 if isinstance(mapkey, tuple):
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diff changeset
158 (mapkey, mapcomment) = mapkey
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
159 if isinstance(mapvalue, tuple):
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diff changeset
160 (mapvalue, mapcomment) = mapvalue
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parents:
diff changeset
161 if mapkey is None:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
162 continue
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
163 if (identity and
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
164 mapkey == mapvalue and
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
165 mapkey < 256):
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
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166 # No need to include identity mappings, since these
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
167 # are already set for the first 256 code points.
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
168 continue
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diff changeset
169 key = hexrepr(mapkey, key_precision)
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170 value = hexrepr(mapvalue, value_precision)
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171 if mapcomment and comments:
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parents:
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172 append(' %s: %s,\t# %s' % (key, value, mapcomment))
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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173 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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174 append(' %s: %s,' % (key, value))
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
175 i += 1
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
176 if i == 4096:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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177 # Split the definition into parts to that the Python
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Marc-André Lemburg <mal@egenix.com>
parents:
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178 # parser doesn't dump core
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
179 if splits == 0:
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Marc-André Lemburg <mal@egenix.com>
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180 append('}')
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
181 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
182 append('})')
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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183 append('%s.update({' % varname)
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diff changeset
184 i = 0
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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185 splits = splits + 1
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
186 if splits == 0:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
187 append('}')
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Marc-André Lemburg <mal@egenix.com>
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diff changeset
188 else:
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189 append('})')
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
190
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
191 return l
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diff changeset
192
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4bf6459c8e3b Apply some cosmetic fixes to the output of the script.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
193 def python_tabledef_code(varname, map, comments=1, key_precision=2):
35760
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194
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
195 l = []
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
196 append = l.append
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
197 append('%s = (' % varname)
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diff changeset
198
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
199 # Analyze map and create table dict
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Florent Xicluna <florent.xicluna@gmail.com>
parents: 45468
diff changeset
200 mappings = sorted(map.items())
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diff changeset
201 table = {}
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diff changeset
202 maxkey = 0
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Florent Xicluna <florent.xicluna@gmail.com>
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diff changeset
203 if 'IDENTITY' in map:
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diff changeset
204 for key in range(256):
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
205 table[key] = (key, '')
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
206 maxkey = 255
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
207 del map['IDENTITY']
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
208 for mapkey, mapvalue in mappings:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
209 mapcomment = ''
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
210 if isinstance(mapkey, tuple):
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
211 (mapkey, mapcomment) = mapkey
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
212 if isinstance(mapvalue, tuple):
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
213 (mapvalue, mapcomment) = mapvalue
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
214 if mapkey is None:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
215 continue
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
216 table[mapkey] = (mapvalue, mapcomment)
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diff changeset
217 if mapkey > maxkey:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
218 maxkey = mapkey
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
219 if maxkey > MAX_TABLE_SIZE:
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diff changeset
220 # Table too large
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
221 return None
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
222
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
223 # Create table code
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parents:
diff changeset
224 for key in range(maxkey + 1):
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
225 if key not in table:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
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diff changeset
226 mapvalue = None
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Marc-André Lemburg <mal@egenix.com>
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diff changeset
227 mapcomment = 'UNDEFINED'
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
228 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
229 mapvalue, mapcomment = table[key]
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
230 if mapvalue is None:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
231 mapchar = UNI_UNDEFINED
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
232 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
233 if isinstance(mapvalue, tuple):
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
234 # 1-n mappings not supported
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
235 return None
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
236 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
237 mapchar = unichr(mapvalue)
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
238 if mapcomment and comments:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
239 append(' %r\t# %s -> %s' % (mapchar,
35800
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parents: 35760
diff changeset
240 hexrepr(key, key_precision),
35760
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
241 mapcomment))
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
242 else:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
243 append(' %r' % mapchar)
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
244
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
245 append(')')
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
246 return l
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
247
36996
7fa4c29d7030 Patch #1436130: codecs.lookup() now returns a CodecInfo object (a subclass
Walter Dörwald <walter@livinglogic.de>
parents: 36121
diff changeset
248 def codegen(name, map, encodingname, comments=1):
35760
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diff changeset
249
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
250 """ Returns Python source for the given map.
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
251
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
252 Comments are included in the source, if comments is true (default).
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
253
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
254 """
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
255 # Generate code
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parents:
diff changeset
256 decoding_map_code = python_mapdef_code(
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
257 'decoding_map',
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
258 map,
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
259 comments=comments)
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
260 decoding_table_code = python_tabledef_code(
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
261 'decoding_table',
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Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
262 map,
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
263 comments=comments)
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
264 encoding_map_code = python_mapdef_code(
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
265 'encoding_map',
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
266 codecs.make_encoding_map(map),
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diff changeset
267 comments=comments,
4bf6459c8e3b Apply some cosmetic fixes to the output of the script.
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parents: 35760
diff changeset
268 precisions=(4, 2))
35760
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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parents:
diff changeset
269
38586
9e0b050ce46f Patch #1359618: Speed-up charmap encoder.
Martin v. Löwis <martin@v.loewis.de>
parents: 38346
diff changeset
270 if decoding_table_code:
9e0b050ce46f Patch #1359618: Speed-up charmap encoder.
Martin v. Löwis <martin@v.loewis.de>
parents: 38346
diff changeset
271 suffix = 'table'
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Martin v. Löwis <martin@v.loewis.de>
parents: 38346
diff changeset
272 else:
9e0b050ce46f Patch #1359618: Speed-up charmap encoder.
Martin v. Löwis <martin@v.loewis.de>
parents: 38346
diff changeset
273 suffix = 'map'
9e0b050ce46f Patch #1359618: Speed-up charmap encoder.
Martin v. Löwis <martin@v.loewis.de>
parents: 38346
diff changeset
274
35760
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diff changeset
275 l = [
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parents:
diff changeset
276 '''\
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277 """ Python Character Mapping Codec %s generated from '%s' with gencodec.py.
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278
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279 """#"
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280
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281 import codecs
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282
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283 ### Codec APIs
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284
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285 class Codec(codecs.Codec):
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286
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287 def encode(self,input,errors='strict'):
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288 return codecs.charmap_encode(input,errors,encoding_%s)
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289
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290 def decode(self,input,errors='strict'):
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291 return codecs.charmap_decode(input,errors,decoding_%s)
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292 ''' % (encodingname, name, suffix, suffix)]
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293 l.append('''\
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294 class IncrementalEncoder(codecs.IncrementalEncoder):
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295 def encode(self, input, final=False):
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296 return codecs.charmap_encode(input,self.errors,encoding_%s)[0]
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297
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298 class IncrementalDecoder(codecs.IncrementalDecoder):
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299 def decode(self, input, final=False):
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300 return codecs.charmap_decode(input,self.errors,decoding_%s)[0]''' %
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301 (suffix, suffix))
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302
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303 l.append('''
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304 class StreamWriter(Codec,codecs.StreamWriter):
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305 pass
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306
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307 class StreamReader(Codec,codecs.StreamReader):
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308 pass
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309
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310 ### encodings module API
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311
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312 def getregentry():
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313 return codecs.CodecInfo(
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314 name=%r,
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315 encode=Codec().encode,
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316 decode=Codec().decode,
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317 incrementalencoder=IncrementalEncoder,
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318 incrementaldecoder=IncrementalDecoder,
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319 streamreader=StreamReader,
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320 streamwriter=StreamWriter,
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321 )
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322 ''' % encodingname.replace('_', '-'))
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323
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324 # Add decoding table or map (with preference to the table)
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325 if not decoding_table_code:
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326 l.append('''
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327 ### Decoding Map
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328 ''')
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329 l.extend(decoding_map_code)
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330 else:
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331 l.append('''
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332 ### Decoding Table
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333 ''')
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334 l.extend(decoding_table_code)
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335
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336 # Add encoding map
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337 if decoding_table_code:
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338 l.append('''
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339 ### Encoding table
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340 encoding_table=codecs.charmap_build(decoding_table)
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341 ''')
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342 else:
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343 l.append('''
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344 ### Encoding Map
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345 ''')
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346 l.extend(encoding_map_code)
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347
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348 # Final new-line
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349 l.append('')
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350
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351 return '\n'.join(l).expandtabs()
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352
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353 def pymap(name,map,pyfile,encodingname,comments=1):
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354
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355 code = codegen(name,map,encodingname,comments)
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356 f = open(pyfile,'w')
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357 f.write(code)
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358 f.close()
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359
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360 def marshalmap(name,map,marshalfile):
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361
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362 d = {}
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363 for e,(u,c) in map.items():
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364 d[e] = (u,c)
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365 f = open(marshalfile,'wb')
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366 marshal.dump(d,f)
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367 f.close()
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368
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369 def convertdir(dir, dirprefix='', nameprefix='', comments=1):
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370
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371 mapnames = os.listdir(dir)
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372 for mapname in mapnames:
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373 mappathname = os.path.join(dir, mapname)
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374 if not os.path.isfile(mappathname):
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375 continue
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376 name = os.path.split(mapname)[1]
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377 name = name.replace('-','_')
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378 name = name.split('.')[0]
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379 name = name.lower()
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380 name = nameprefix + name
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381 codefile = name + '.py'
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382 marshalfile = name + '.mapping'
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383 print 'converting %s to %s and %s' % (mapname,
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384 dirprefix + codefile,
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385 dirprefix + marshalfile)
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diff changeset
386 try:
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diff changeset
387 map = readmap(os.path.join(dir,mapname))
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diff changeset
388 if not map:
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389 print '* map is empty; skipping'
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diff changeset
390 else:
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diff changeset
391 pymap(mappathname, map, dirprefix + codefile,name,comments)
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392 marshalmap(mappathname, map, dirprefix + marshalfile)
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393 except ValueError, why:
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394 print '* conversion failed: %s' % why
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parents:
diff changeset
395 raise
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diff changeset
396
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397 def rewritepythondir(dir, dirprefix='', comments=1):
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diff changeset
398
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
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diff changeset
399 mapnames = os.listdir(dir)
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diff changeset
400 for mapname in mapnames:
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diff changeset
401 if not mapname.endswith('.mapping'):
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parents:
diff changeset
402 continue
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diff changeset
403 name = mapname[:-len('.mapping')]
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diff changeset
404 codefile = name + '.py'
35760
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diff changeset
405 print 'converting %s to %s' % (mapname,
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Walter Dörwald <walter@livinglogic.de>
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diff changeset
406 dirprefix + codefile)
35760
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
407 try:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
408 map = marshal.load(open(os.path.join(dir,mapname),
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
409 'rb'))
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
410 if not map:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
411 print '* map is empty; skipping'
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
412 else:
36996
7fa4c29d7030 Patch #1436130: codecs.lookup() now returns a CodecInfo object (a subclass
Walter Dörwald <walter@livinglogic.de>
parents: 36121
diff changeset
413 pymap(mapname, map, dirprefix + codefile,name,comments)
35760
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
414 except ValueError, why:
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
415 print '* conversion failed: %s' % why
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
416
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
417 if __name__ == '__main__':
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
418
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
419 import sys
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
420 if 1:
59640
8aa5530e8407 Remove py3k deprecation warnings from these Unicode tools.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 45468
diff changeset
421 convertdir(*sys.argv[1:])
35760
79c5b817fedc Moved gencodec.py to the Tools/unicode/ directory.
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
422 else:
59640
8aa5530e8407 Remove py3k deprecation warnings from these Unicode tools.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 45468
diff changeset
423 rewritepythondir(*sys.argv[1:])