Mercurial > cpython-lru_cache-weakref

annotate Lib/compileall.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents 13807703afd0
children 08c5473bedcc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 """Module/script to "compile" all .py files to .pyc (or .pyo) file.
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2
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3 When called as a script with arguments, this compiles the directories
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4 given as arguments recursively; the -l option prevents it from
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5 recursing into directories.
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6
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7 Without arguments, if compiles all modules on sys.path, without
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8 recursing into subdirectories. (Even though it should do so for
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9 packages -- for now, you'll have to deal with packages separately.)
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10
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11 See module py_compile for details of the actual byte-compilation.
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12
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13 """
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14 import os
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15 import sys
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16 import py_compile
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17 import struct
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18 import imp
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19
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20 __all__ = ["compile_dir","compile_path"]
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21
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22 def compile_dir(dir, maxlevels=10, ddir=None,
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23 force=0, rx=None, quiet=0):
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24 """Byte-compile all modules in the given directory tree.
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25
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26 Arguments (only dir is required):
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27
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28 dir: the directory to byte-compile
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29 maxlevels: maximum recursion level (default 10)
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30 ddir: if given, purported directory name (this is the
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31 directory name that will show up in error messages)
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32 force: if 1, force compilation, even if timestamps are up-to-date
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33 quiet: if 1, be quiet during compilation
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34
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35 """
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36 if not quiet:
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37 print 'Listing', dir, '...'
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38 try:
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39 names = os.listdir(dir)
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40 except os.error:
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41 print "Can't list", dir
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42 names = []
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43 names.sort()
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44 success = 1
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45 for name in names:
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46 fullname = os.path.join(dir, name)
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47 if ddir is not None:
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48 dfile = os.path.join(ddir, name)
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49 else:
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50 dfile = None
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51 if rx is not None:
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52 mo = rx.search(fullname)
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53 if mo:
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54 continue
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55 if os.path.isfile(fullname):
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56 head, tail = name[:-3], name[-3:]
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57 if tail == '.py':
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58 if not force:
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59 try:
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60 mtime = int(os.stat(fullname).st_mtime)
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61 expect = struct.pack('<4sl', imp.get_magic(), mtime)
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62 cfile = fullname + (__debug__ and 'c' or 'o')
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63 with open(cfile, 'rb') as chandle:
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64 actual = chandle.read(8)
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65 if expect == actual:
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66 continue
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67 except IOError:
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68 pass
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69 if not quiet:
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70 print 'Compiling', fullname, '...'
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71 try:
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72 ok = py_compile.compile(fullname, None, dfile, True)
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73 except KeyboardInterrupt:
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74 raise KeyboardInterrupt
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75 except py_compile.PyCompileError,err:
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76 if quiet:
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77 print 'Compiling', fullname, '...'
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78 print err.msg
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79 success = 0
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80 except IOError, e:
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81 print "Sorry", e
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82 success = 0
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83 else:
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84 if ok == 0:
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85 success = 0
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86 elif maxlevels > 0 and \
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87 name != os.curdir and name != os.pardir and \
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88 os.path.isdir(fullname) and \
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89 not os.path.islink(fullname):
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90 if not compile_dir(fullname, maxlevels - 1, dfile, force, rx,
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91 quiet):
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92 success = 0
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93 return success
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94
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95 def compile_path(skip_curdir=1, maxlevels=0, force=0, quiet=0):
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96 """Byte-compile all module on sys.path.
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97
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98 Arguments (all optional):
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99
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100 skip_curdir: if true, skip current directory (default true)
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101 maxlevels: max recursion level (default 0)
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4eee061dac44 A mod whose author I forget. (I must've mislaid the email. If it's
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102 force: as for compile_dir() (default 0)
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103 quiet: as for compile_dir() (default 0)
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104
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105 """
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106 success = 1
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107 for dir in sys.path:
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108 if (not dir or dir == os.curdir) and skip_curdir:
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109 print 'Skipping current directory'
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110 else:
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parents: 17559
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111 success = success and compile_dir(dir, maxlevels, None,
2417694324ef Patch #495598: add an -q (quiet) option to pycompile.
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112 force, quiet=quiet)
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113 return success
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114
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115 def main():
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116 """Script main program."""
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117 import getopt
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118 try:
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119 opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:')
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120 except getopt.error, msg:
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121 print msg
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122 print "usage: python compileall.py [-l] [-f] [-q] [-d destdir] " \
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c06dffb6a982 Fix typo in docstring: The switch is '-x', not '-s'.
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123 "[-x regexp] [directory ...]"
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124 print "-l: don't recurse down"
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4eee061dac44 A mod whose author I forget. (I must've mislaid the email. If it's
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parents: 7755
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125 print "-f: force rebuild even if timestamps are up-to-date"
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126 print "-q: quiet operation"
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127 print "-d destdir: purported directory name for error messages"
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128 print " if no directory arguments, -l sys.path is assumed"
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129 print "-x regexp: skip files matching the regular expression regexp"
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130 print " the regexp is searched for in the full path of the file"
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131 sys.exit(2)
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132 maxlevels = 10
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133 ddir = None
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134 force = 0
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135 quiet = 0
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16070
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136 rx = None
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137 for o, a in opts:
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138 if o == '-l': maxlevels = 0
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139 if o == '-d': ddir = a
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Guido van Rossum <guido@python.org>
parents: 7755
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140 if o == '-f': force = 1
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Martin v. Löwis <martin@v.loewis.de>
parents: 17559
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141 if o == '-q': quiet = 1
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parents: 16070
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142 if o == '-x':
28c14a79ad22 Fix compileall.py so that it fails on SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16070
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143 import re
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144 rx = re.compile(a)
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145 if ddir:
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146 if len(args) != 1:
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147 print "-d destdir require exactly one directory argument"
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148 sys.exit(2)
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Fred Drake <fdrake@acm.org>
parents: 9664
diff changeset
149 success = 1
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Guido van Rossum <guido@python.org>
parents: 3902
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150 try:
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151 if args:
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parents: 7126
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152 for dir in args:
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Martin v. Löwis <martin@v.loewis.de>
parents: 17559
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153 if not compile_dir(dir, maxlevels, ddir,
2417694324ef Patch #495598: add an -q (quiet) option to pycompile.
Martin v. Löwis <martin@v.loewis.de>
parents: 17559
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154 force, rx, quiet):
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16070
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155 success = 0
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parents: 7126
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156 else:
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Fred Drake <fdrake@acm.org>
parents: 9664
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157 success = compile_path()
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Guido van Rossum <guido@python.org>
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158 except KeyboardInterrupt:
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159 print "\n[interrupt]"
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160 success = 0
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parents: 9664
diff changeset
161 return success
1828
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
parents:
diff changeset
162
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 if __name__ == '__main__':
34201
a0c7df52ba41 Bugs item #1069409 C:\Python24\Lib\compileall.py returns False
Raymond Hettinger <python@rcn.com>
parents: 32391
diff changeset
164 exit_status = int(not main())
17559
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16070
diff changeset
165 sys.exit(exit_status)