cpython-lru_cache-weakref: Lib/distutils/version.py annotate

annotate Lib/distutils/version.py @ 78069:a8aa77458e12 3.2

Add c_size_t and c_ssize_t to the ctypes summary table.

author	Antoine Pitrou <solipsis@pitrou.net>
date	Thu, 12 Jul 2012 20:31:50 +0200
parents	9e4bb941a1ea
children

rev	line source
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	1 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	2 # distutils/version.py
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	3 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	4 # Implements multiple version numbering conventions for the
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	5 # Python Module Distribution Utilities.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	6 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	7 # $Id$
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	8 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	9
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	10 """Provides classes to represent module version numbers (one class for
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	11 each style of version numbering). There are currently two such classes
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	12 implemented: StrictVersion and LooseVersion.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	13
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	14 Every version number class implements the following interface:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	15 * the 'parse' method takes a string and parses it to some internal
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	16 representation; if the string is an invalid version number,
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	17 'parse' raises a ValueError exception
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	18 * the class constructor takes an optional string argument which,
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	19 if supplied, is passed to 'parse'
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	20 * __str__ reconstructs the string that was passed to 'parse' (or
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	21 an equivalent string -- ie. one that will generate an equivalent
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	22 version number instance)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	23 * __repr__ generates Python code to recreate the version number instance
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	24 * _cmp compares the current instance with either another instance
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	25 of the same class or a string (which will be parsed to an instance
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	26 of the same class, thus must follow the same rules)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	27 """
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	28
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	29 import re
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	30
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	31 class Version:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	32 """Abstract base class for version numbering classes. Just provides
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	33 constructor (__init__) and reproducer (__repr__), because those
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	34 seem to be the same for all version numbering classes; and route
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	35 rich comparisons to _cmp.
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	36 """
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	37
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	38 def __init__ (self, vstring=None):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	39 if vstring:
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	40 self.parse(vstring)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	41
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	42 def __repr__ (self):
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	43 return "%s ('%s')" % (self.__class__.__name__, str(self))
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	44
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	45 def __eq__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	46 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	47 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	48 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	49 return c == 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	50
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	51 def __ne__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	52 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	53 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	54 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	55 return c != 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	56
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	57 def __lt__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	58 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	59 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	60 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	61 return c < 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	62
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	63 def __le__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	64 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	65 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	66 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	67 return c <= 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	68
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	69 def __gt__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	70 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	71 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	72 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	73 return c > 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	74
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	75 def __ge__(self, other):
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	76 c = self._cmp(other)
39644 13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	77 if c is NotImplemented:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	78 return c
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	79 return c >= 0
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default Guido van Rossum <guido@python.org> parents: 26210 diff changeset	80
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	81
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	82 # Interface for version-number classes -- must be implemented
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	83 # by the following classes (the concrete ones -- Version should
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	84 # be treated as an abstract class).
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	85 # __init__ (string) - create and take same action as 'parse'
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	86 # (string parameter is optional)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	87 # parse (string) - convert a string representation to whatever
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	88 # internal representation is appropriate for
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	89 # this style of version numbering
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	90 # __str__ (self) - convert back to a string; should be very similar
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	91 # (if not identical to) the string supplied to parse
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	92 # __repr__ (self) - generate Python code to recreate
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	93 # the instance
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	94 # _cmp (self, other) - compare two version numbers ('other' may
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	95 # be an unparsed version string, or another
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	96 # instance of your version class)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	97
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	98
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	99 class StrictVersion (Version):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	100
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	101 """Version numbering for anal retentives and software idealists.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	102 Implements the standard interface for version number classes as
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	103 described above. A version number consists of two or three
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	104 dot-separated numeric components, with an optional "pre-release" tag
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	105 on the end. The pre-release tag consists of the letter 'a' or 'b'
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	106 followed by a number. If the numeric components of two version
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	107 numbers are equal, then one with a pre-release tag will always
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	108 be deemed earlier (lesser) than one without.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	109
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	110 The following are valid version numbers (shown in the order that
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	111 would be obtained by sorting according to the supplied cmp function):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	112
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	113 0.4 0.4.0 (these two are equivalent)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	114 0.4.1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	115 0.5a1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	116 0.5b3
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	117 0.5
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	118 0.9.6
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	119 1.0
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	120 1.0.4a3
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	121 1.0.4b1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	122 1.0.4
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	123
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	124 The following are examples of invalid version numbers:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	125
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	126 1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	127 2.7.2.2
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	128 1.3.a4
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	129 1.3pl1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	130 1.3c4
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	131
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	132 The rationale for this version numbering system will be explained
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	133 in the distutils documentation.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	134 """
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	135
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	136 version_re = re.compile(r'^(\d+) \. (\d+) (\. (\d+))? ([ab](\d+))?$',
48769 83b2d07b475b #2834: Change re module semantics, so that str and bytes mixing is forbidden, Antoine Pitrou <solipsis@pitrou.net> parents: 43026 diff changeset	137 re.VERBOSE \| re.ASCII)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	138
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	139
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	140 def parse (self, vstring):
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	141 match = self.version_re.match(vstring)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	142 if not match:
43026 a6d3930b5613 General cleanup, raise normalization in Lib/distutils. Collin Winter <collinw@gmail.com> parents: 42299 diff changeset	143 raise ValueError("invalid version number '%s'" % vstring)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	144
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	145 (major, minor, patch, prerelease, prerelease_num) = \
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	146 match.group(1, 2, 4, 5, 6)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	147
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	148 if patch:
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	149 self.version = tuple(map(int, [major, minor, patch]))
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	150 else:
42142 a53e48be6df9 Merged revisions 56125-56153 via svnmerge from Guido van Rossum <guido@python.org> parents: 41480 diff changeset	151 self.version = tuple(map(int, [major, minor])) + (0,)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	152
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	153 if prerelease:
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	154 self.prerelease = (prerelease[0], int(prerelease_num))
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	155 else:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	156 self.prerelease = None
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	157
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	158
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	159 def __str__ (self):
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	160
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	161 if self.version[2] == 0:
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	162 vstring = '.'.join(map(str, self.version[0:2]))
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	163 else:
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	164 vstring = '.'.join(map(str, self.version))
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	165
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	166 if self.prerelease:
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	167 vstring = vstring + self.prerelease[0] + str(self.prerelease[1])
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	168
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	169 return vstring
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	170
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	171
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	172 def _cmp (self, other):
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	173 if isinstance(other, str):
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	174 other = StrictVersion(other)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	175
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	176 if self.version != other.version:
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	177 # numeric versions don't match
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	178 # prerelease stuff doesn't matter
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	179 if self.version < other.version:
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	180 return -1
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	181 else:
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	182 return 1
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	183
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	184 # have to compare prerelease
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	185 # case 1: neither has prerelease; they're equal
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	186 # case 2: self has prerelease, other doesn't; other is greater
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	187 # case 3: self doesn't have prerelease, other does: self is greater
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	188 # case 4: both have prerelease: must compare them!
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	189
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	190 if (not self.prerelease and not other.prerelease):
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	191 return 0
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	192 elif (self.prerelease and not other.prerelease):
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	193 return -1
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	194 elif (not self.prerelease and other.prerelease):
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	195 return 1
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	196 elif (self.prerelease and other.prerelease):
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	197 if self.prerelease == other.prerelease:
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	198 return 0
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	199 elif self.prerelease < other.prerelease:
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	200 return -1
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	201 else:
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	202 return 1
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	203 else:
adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	204 assert False, "never get here"
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	205
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	206 # end class StrictVersion
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	207
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	208
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	209 # The rules according to Greg Stein:
52432 9e4bb941a1ea Merged revisions 70707 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51659 diff changeset	210 # 1) a version number has 1 or more numbers separated by a period or by
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	211 # sequences of letters. If only periods, then these are compared
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	212 # left-to-right to determine an ordering.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	213 # 2) sequences of letters are part of the tuple for comparison and are
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	214 # compared lexicographically
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	215 # 3) recognize the numeric components may have leading zeroes
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	216 #
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	217 # The LooseVersion class below implements these rules: a version number
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	218 # string is split up into a tuple of integer and string components, and
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	219 # comparison is a simple tuple comparison. This means that version
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	220 # numbers behave in a predictable and obvious way, but a way that might
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	221 # not necessarily be how people want version numbers to behave. There
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	222 # wouldn't be a problem if people could stick to purely numeric version
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	223 # numbers: just split on period and compare the numbers as tuples.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	224 # However, people insist on putting letters into their version numbers;
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	225 # the most common purpose seems to be:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	226 # - indicating a "pre-release" version
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	227 # ('alpha', 'beta', 'a', 'b', 'pre', 'p')
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	228 # - indicating a post-release patch ('p', 'pl', 'patch')
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	229 # but of course this can't cover all version number schemes, and there's
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	230 # no way to know what a programmer means without asking him.
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	231 #
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	232 # The problem is what to do with letters (and other non-numeric
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	233 # characters) in a version number. The current implementation does the
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	234 # obvious and predictable thing: keep them as strings and compare
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	235 # lexically within a tuple comparison. This has the desired effect if
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	236 # an appended letter sequence implies something "post-release":
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	237 # eg. "0.99" < "0.99pl14" < "1.0", and "5.001" < "5.001m" < "5.002".
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	238 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	239 # However, if letters in a version number imply a pre-release version,
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	240 # the "obvious" thing isn't correct. Eg. you would expect that
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	241 # "1.5.1" < "1.5.2a2" < "1.5.2", but under the tuple/lexical comparison
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	242 # implemented here, this just isn't so.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	243 #
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	244 # Two possible solutions come to mind. The first is to tie the
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	245 # comparison algorithm to a particular set of semantic rules, as has
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	246 # been done in the StrictVersion class above. This works great as long
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	247 # as everyone can go along with bondage and discipline. Hopefully a
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	248 # (large) subset of Python module programmers will agree that the
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	249 # particular flavour of bondage and discipline provided by StrictVersion
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	250 # provides enough benefit to be worth using, and will submit their
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	251 # version numbering scheme to its domination. The free-thinking
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	252 # anarchists in the lot will never give in, though, and something needs
13050 a195962e389c typos fixed by Rob Hooft Jeremy Hylton <jeremy@alum.mit.edu> parents: 9654 diff changeset	253 # to be done to accommodate them.
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	254 #
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	255 # Perhaps a "moderately strict" version class could be implemented that
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	256 # lets almost anything slide (syntactically), and makes some heuristic
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	257 # assumptions about non-digits in version number strings. This could
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	258 # sink into special-case-hell, though; if I was as talented and
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	259 # idiosyncratic as Larry Wall, I'd go ahead and implement a class that
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	260 # somehow knows that "1.2.1" < "1.2.2a2" < "1.2.2" < "1.2.2pl3", and is
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	261 # just as happy dealing with things like "2g6" and "1.13++". I don't
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	262 # think I'm smart enough to do it right though.
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	263 #
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	264 # In any case, I've coded the test suite for this module (see
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	265 # ../test/test_version.py) specifically to fail on things like comparing
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	266 # "1.2a2" and "1.2". That's not because the code is doing anything
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	267 # wrong, it's because the simple, obvious design doesn't match my
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	268 # complicated, hairy expectations for real-world version numbers. It
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	269 # would be a snap to fix the test suite to say, "Yep, LooseVersion does
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	270 # the Right Thing" (ie. the code matches the conception). But I'd rather
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	271 # have a conception that matches common notions about version numbers.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	272
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	273 class LooseVersion (Version):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	274
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	275 """Version numbering for anarchists and software realists.
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	276 Implements the standard interface for version number classes as
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	277 described above. A version number consists of a series of numbers,
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	278 separated by either periods or strings of letters. When comparing
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	279 version numbers, the numeric components will be compared
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	280 numerically, and the alphabetic components lexically. The following
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	281 are all valid version numbers, in no particular order:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	282
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	283 1.5.1
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	284 1.5.2b2
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	285 161
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	286 3.10a
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	287 8.02
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	288 3.4j
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	289 1996.07.12
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	290 3.2.pl0
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	291 3.1.1.6
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	292 2g6
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	293 11g
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	294 0.960923
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	295 2.2beta29
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	296 1.13++
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	297 5.5.kw
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	298 2.0b1pl0
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	299
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	300 In fact, there is no such thing as an invalid version number under
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	301 this scheme; the rules for comparison are simple and predictable,
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	302 but may not always give the results you want (for some definition
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	303 of "want").
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	304 """
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	305
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	306 component_re = re.compile(r'(\d+ \| [a-z]+ \| \.)', re.VERBOSE)
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	307
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	308 def __init__ (self, vstring=None):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	309 if vstring:
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	310 self.parse(vstring)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	311
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	312
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	313 def parse (self, vstring):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	314 # I've given up on thinking I can reconstruct the version string
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	315 # from the parsed tuple -- so I just store the string here for
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	316 # use by __str__
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	317 self.vstring = vstring
42299 c4ab3ef6194f Fix two bugs from the map->itertools.imap switch. Collin Winter <collinw@gmail.com> parents: 42142 diff changeset	318 components = [x for x in self.component_re.split(vstring)
c4ab3ef6194f Fix two bugs from the map->itertools.imap switch. Collin Winter <collinw@gmail.com> parents: 42142 diff changeset	319 if x and x != '.']
c4ab3ef6194f Fix two bugs from the map->itertools.imap switch. Collin Winter <collinw@gmail.com> parents: 42142 diff changeset	320 for i, obj in enumerate(components):
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	321 try:
42299 c4ab3ef6194f Fix two bugs from the map->itertools.imap switch. Collin Winter <collinw@gmail.com> parents: 42142 diff changeset	322 components[i] = int(obj)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	323 except ValueError:
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	324 pass
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	325
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	326 self.version = components
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	327
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	328
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	329 def __str__ (self):
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	330 return self.vstring
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	331
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	332
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	333 def __repr__ (self):
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	334 return "LooseVersion ('%s')" % str(self)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	335
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	336
51122 adbd77a90bde Merged revisions 69025 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48769 diff changeset	337 def _cmp (self, other):
41480 99027c2b3fd2 Remove functions in string module that are also string methods. Also remove: Neal Norwitz <nnorwitz@gmail.com> parents: 39644 diff changeset	338 if isinstance(other, str):
14860 18b3def6c4b8 Standardize whitespace in function calls. Greg Ward <gward@python.net> parents: 13050 diff changeset	339 other = LooseVersion(other)
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	340
51659 5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	341 if self.version == other.version:
5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	342 return 0
5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	343 if self.version < other.version:
5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	344 return -1
5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	345 if self.version > other.version:
5dcaa2e1bc86 Merged revisions 69682 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 51122 diff changeset	346 return 1
21267 7a7f557b4d54 Whitespace normalization. Fred Drake <fdrake@acm.org> parents: 17129 diff changeset	347
9654 917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	348
917357c12552 Initial checkin of distutils source files. Greg Ward <gward@python.net> parents: diff changeset	349 # end class LooseVersion

Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/version.py @ 78069:a8aa77458e12 3.2