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@@ -1,130 +1,131 | |||
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1 | 1 | # pycompat.py - portability shim for python 3 |
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2 | 2 | # |
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3 | 3 | # This software may be used and distributed according to the terms of the |
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4 | 4 | # GNU General Public License version 2 or any later version. |
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5 | 5 | |
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6 | 6 | """Mercurial portability shim for python 3. |
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7 | 7 | |
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8 | 8 | This contains aliases to hide python version-specific details from the core. |
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9 | 9 | """ |
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10 | 10 | |
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11 | 11 | from __future__ import absolute_import |
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12 | 12 | |
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13 | 13 | try: |
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14 | 14 | import cPickle as pickle |
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15 | 15 | pickle.dumps |
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16 | 16 | except ImportError: |
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17 | 17 | import pickle |
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18 | 18 | pickle.dumps # silence pyflakes |
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19 | 19 | |
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20 | 20 | try: |
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21 | 21 | import cStringIO as io |
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22 | 22 | stringio = io.StringIO |
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23 | 23 | except ImportError: |
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24 | 24 | import io |
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25 | 25 | stringio = io.StringIO |
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26 | 26 | |
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27 | 27 | try: |
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28 | 28 | import Queue as _queue |
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29 | 29 | _queue.Queue |
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30 | 30 | except ImportError: |
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31 | 31 | import queue as _queue |
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32 | 32 | empty = _queue.Empty |
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33 | 33 | queue = _queue.Queue |
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34 | 34 | |
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35 | 35 | class _pycompatstub(object): |
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36 | 36 | pass |
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37 | 37 | |
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38 | 38 | def _alias(alias, origin, items): |
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39 | 39 | """ populate a _pycompatstub |
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40 | 40 | |
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41 | 41 | copies items from origin to alias |
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42 | 42 | """ |
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43 | 43 | def hgcase(item): |
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44 | 44 | return item.replace('_', '').lower() |
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45 | 45 | for item in items: |
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46 | 46 | try: |
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47 | 47 | setattr(alias, hgcase(item), getattr(origin, item)) |
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48 | 48 | except AttributeError: |
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49 | 49 | pass |
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50 | 50 | |
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51 | 51 | urlreq = _pycompatstub() |
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52 | 52 | urlerr = _pycompatstub() |
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53 | 53 | try: |
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54 | 54 | import urllib2 |
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55 | 55 | import urllib |
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56 | 56 | _alias(urlreq, urllib, ( |
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57 | 57 | "addclosehook", |
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58 | 58 | "addinfourl", |
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59 | 59 | "ftpwrapper", |
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60 | 60 | "pathname2url", |
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61 | 61 | "quote", |
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62 | 62 | "splitattr", |
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63 | 63 | "splitpasswd", |
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64 | 64 | "splitport", |
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65 | 65 | "splituser", |
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66 | 66 | "unquote", |
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67 | 67 | "url2pathname", |
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68 | 68 | "urlencode", |
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69 | 69 | "urlencode", |
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70 | 70 | )) |
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71 | 71 | _alias(urlreq, urllib2, ( |
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72 | 72 | "AbstractHTTPHandler", |
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73 | 73 | "BaseHandler", |
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74 | 74 | "build_opener", |
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75 | 75 | "FileHandler", |
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76 | 76 | "FTPHandler", |
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77 | 77 | "HTTPBasicAuthHandler", |
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78 | 78 | "HTTPDigestAuthHandler", |
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79 | 79 | "HTTPHandler", |
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80 | 80 | "HTTPPasswordMgrWithDefaultRealm", |
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81 | 81 | "HTTPSHandler", |
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82 | 82 | "install_opener", |
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83 | 83 | "ProxyHandler", |
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84 | 84 | "Request", |
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85 | 85 | "urlopen", |
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86 | 86 | )) |
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87 | 87 | _alias(urlerr, urllib2, ( |
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88 | 88 | "HTTPError", |
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89 | 89 | "URLError", |
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90 | 90 | )) |
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91 | 91 | |
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92 | 92 | except ImportError: |
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93 | 93 | import urllib.request |
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94 | 94 | _alias(urlreq, urllib.request, ( |
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95 | 95 | "AbstractHTTPHandler", |
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96 | 96 | "addclosehook", |
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97 | 97 | "addinfourl", |
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98 | 98 | "BaseHandler", |
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99 | 99 | "build_opener", |
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100 | 100 | "FileHandler", |
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101 | 101 | "FTPHandler", |
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102 | 102 | "ftpwrapper", |
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103 | 103 | "HTTPHandler", |
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104 | 104 | "HTTPSHandler", |
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105 | 105 | "install_opener", |
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106 | 106 | "pathname2url", |
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107 | 107 | "HTTPBasicAuthHandler", |
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108 | 108 | "HTTPDigestAuthHandler", |
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109 | "HTTPPasswordMgrWithDefaultRealm", | |
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109 | 110 | "ProxyHandler", |
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110 | 111 | "quote", |
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111 | 112 | "Request", |
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112 | 113 | "splitattr", |
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113 | 114 | "splitpasswd", |
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114 | 115 | "splitport", |
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115 | 116 | "splituser", |
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116 | 117 | "unquote", |
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117 | 118 | "url2pathname", |
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118 | 119 | "urlopen", |
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119 | 120 | )) |
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120 | 121 | import urllib.error |
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121 | 122 | _alias(urlerr, urllib.error, ( |
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122 | 123 | "HTTPError", |
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123 | 124 | "URLError", |
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124 | 125 | )) |
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125 | 126 | |
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126 | 127 | try: |
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127 | 128 | xrange |
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128 | 129 | except NameError: |
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129 | 130 | import builtins |
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130 | 131 | builtins.xrange = range |
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