Mercurial > cpython-lru_cache-weakref

annotate Tools/versioncheck/pyversioncheck.py @ 80661:94de77bd0b4b 2.7

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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 c3a096bfbd6b
children 6b18a095c2e7
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1 """pyversioncheck - Module to help with checking versions"""
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2 import types
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3 import rfc822
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4 import urllib
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5 import sys
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6
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7 # Verbose options
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8 VERBOSE_SILENT=0 # Single-line reports per package
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9 VERBOSE_NORMAL=1 # Single-line reports per package, more info if outdated
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10 VERBOSE_EACHFILE=2 # Report on each URL checked
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11 VERBOSE_CHECKALL=3 # Check each URL for each package
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12
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13 # Test directory
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14 ## urllib bug: _TESTDIR="ftp://ftp.cwi.nl/pub/jack/python/versiontestdir/"
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15 _TESTDIR="http://www.cwi.nl/~jack/versiontestdir/"
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16
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17 def versioncheck(package, url, version, verbose=0):
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18 ok, newversion, fp = checkonly(package, url, version, verbose)
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19 if verbose > VERBOSE_NORMAL:
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20 return ok
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21 if ok < 0:
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22 print '%s: No correctly formatted current version file found'%(package)
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23 elif ok == 1:
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24 print '%s: up-to-date (version %s)'%(package, version)
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25 else:
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26 print '%s: version %s installed, version %s found:' % \
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27 (package, version, newversion)
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28 if verbose > VERBOSE_SILENT:
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29 while 1:
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30 line = fp.readline()
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31 if not line: break
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32 sys.stdout.write('\t'+line)
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33 return ok
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34
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35 def checkonly(package, url, version, verbose=0):
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36 if verbose >= VERBOSE_EACHFILE:
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37 print '%s:'%package
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38 if type(url) == types.StringType:
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39 ok, newversion, fp = _check1version(package, url, version, verbose)
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40 else:
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41 for u in url:
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42 ok, newversion, fp = _check1version(package, u, version, verbose)
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43 if ok >= 0 and verbose < VERBOSE_CHECKALL:
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44 break
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45 return ok, newversion, fp
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46
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47 def _check1version(package, url, version, verbose=0):
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48 if verbose >= VERBOSE_EACHFILE:
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49 print ' Checking %s'%url
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50 try:
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51 fp = urllib.urlopen(url)
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52 except IOError, arg:
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53 if verbose >= VERBOSE_EACHFILE:
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54 print ' Cannot open:', arg
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55 return -1, None, None
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56 msg = rfc822.Message(fp, seekable=0)
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57 newversion = msg.getheader('current-version')
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58 if not newversion:
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59 if verbose >= VERBOSE_EACHFILE:
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60 print ' No "Current-Version:" header in URL or URL not found'
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61 return -1, None, None
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62 version = version.lower().strip()
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63 newversion = newversion.lower().strip()
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64 if version == newversion:
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65 if verbose >= VERBOSE_EACHFILE:
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66 print ' Version identical (%s)'%newversion
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67 return 1, version, fp
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68 else:
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69 if verbose >= VERBOSE_EACHFILE:
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70 print ' Versions different (installed: %s, new: %s)'% \
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71 (version, newversion)
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72 return 0, newversion, fp
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73
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74
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75 def _test():
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76 print '--- TEST VERBOSE=1'
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77 print '--- Testing existing and identical version file'
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78 versioncheck('VersionTestPackage', _TESTDIR+'Version10.txt', '1.0', verbose=1)
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79 print '--- Testing existing package with new version'
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80 versioncheck('VersionTestPackage', _TESTDIR+'Version11.txt', '1.0', verbose=1)
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81 print '--- Testing package with non-existing version file'
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82 versioncheck('VersionTestPackage', _TESTDIR+'nonexistent.txt', '1.0', verbose=1)
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83 print '--- Test package with 2 locations, first non-existing second ok'
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84 versfiles = [_TESTDIR+'nonexistent.txt', _TESTDIR+'Version10.txt']
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85 versioncheck('VersionTestPackage', versfiles, '1.0', verbose=1)
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86 print '--- TEST VERBOSE=2'
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87 print '--- Testing existing and identical version file'
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88 versioncheck('VersionTestPackage', _TESTDIR+'Version10.txt', '1.0', verbose=2)
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89 print '--- Testing existing package with new version'
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90 versioncheck('VersionTestPackage', _TESTDIR+'Version11.txt', '1.0', verbose=2)
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91 print '--- Testing package with non-existing version file'
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92 versioncheck('VersionTestPackage', _TESTDIR+'nonexistent.txt', '1.0', verbose=2)
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93 print '--- Test package with 2 locations, first non-existing second ok'
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94 versfiles = [_TESTDIR+'nonexistent.txt', _TESTDIR+'Version10.txt']
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95 versioncheck('VersionTestPackage', versfiles, '1.0', verbose=2)
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96
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97 if __name__ == '__main__':
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98 _test()