1 """pyversioncheck - Module to help with checking versions"""
8 VERBOSE_SILENT=0 # Single-line reports per package
9 VERBOSE_NORMAL=1 # Single-line reports per package, more info if outdated
10 VERBOSE_EACHFILE=2 # Report on each URL checked
11 VERBOSE_CHECKALL=3 # Check each URL for each package
14 ## urllib bug: _TESTDIR="ftp://ftp.cwi.nl/pub/jack/python/versiontestdir/"
15 _TESTDIR="http://www.cwi.nl/~jack/versiontestdir/"
17 def versioncheck(package, url, version, verbose=0):
18 ok, newversion, fp = checkonly(package, url, version, verbose)
19 if verbose > VERBOSE_NORMAL:
22 print '%s: No correctly formatted current version file found'%(package)
24 print '%s: up-to-date (version %s)'%(package, version)
26 print '%s: version %s installed, version %s found:' % \
27 (package, version, newversion)
28 if verbose > VERBOSE_SILENT:
32 sys.stdout.write('\t'+line)
35 def checkonly(package, url, version, verbose=0):
36 if verbose >= VERBOSE_EACHFILE:
38 if type(url) == types.StringType:
39 ok, newversion, fp = _check1version(package, url, version, verbose)
42 ok, newversion, fp = _check1version(package, u, version, verbose)
43 if ok >= 0 and verbose < VERBOSE_CHECKALL:
45 return ok, newversion, fp
47 def _check1version(package, url, version, verbose=0):
48 if verbose >= VERBOSE_EACHFILE:
49 print ' Checking %s'%url
51 fp = urllib.urlopen(url)
53 if verbose >= VERBOSE_EACHFILE:
54 print ' Cannot open:', arg
56 msg = rfc822.Message(fp, seekable=0)
57 newversion = msg.getheader('current-version')
59 if verbose >= VERBOSE_EACHFILE:
60 print ' No "Current-Version:" header in URL or URL not found'
62 version = version.lower().strip()
63 newversion = newversion.lower().strip()
64 if version == newversion:
65 if verbose >= VERBOSE_EACHFILE:
66 print ' Version identical (%s)'%newversion
69 if verbose >= VERBOSE_EACHFILE:
70 print ' Versions different (installed: %s, new: %s)'% \
72 return 0, newversion, fp
76 print '--- TEST VERBOSE=1'
77 print '--- Testing existing and identical version file'
78 versioncheck('VersionTestPackage', _TESTDIR+'Version10.txt', '1.0', verbose=1)
79 print '--- Testing existing package with new version'
80 versioncheck('VersionTestPackage', _TESTDIR+'Version11.txt', '1.0', verbose=1)
81 print '--- Testing package with non-existing version file'
82 versioncheck('VersionTestPackage', _TESTDIR+'nonexistent.txt', '1.0', verbose=1)
83 print '--- Test package with 2 locations, first non-existing second ok'
84 versfiles = [_TESTDIR+'nonexistent.txt', _TESTDIR+'Version10.txt']
85 versioncheck('VersionTestPackage', versfiles, '1.0', verbose=1)
86 print '--- TEST VERBOSE=2'
87 print '--- Testing existing and identical version file'
88 versioncheck('VersionTestPackage', _TESTDIR+'Version10.txt', '1.0', verbose=2)
89 print '--- Testing existing package with new version'
90 versioncheck('VersionTestPackage', _TESTDIR+'Version11.txt', '1.0', verbose=2)
91 print '--- Testing package with non-existing version file'
92 versioncheck('VersionTestPackage', _TESTDIR+'nonexistent.txt', '1.0', verbose=2)
93 print '--- Test package with 2 locations, first non-existing second ok'
94 versfiles = [_TESTDIR+'nonexistent.txt', _TESTDIR+'Version10.txt']
95 versioncheck('VersionTestPackage', versfiles, '1.0', verbose=2)
97 if __name__ == '__main__':