[Python-checkins] peps: PEP 426: add Version-Scheme
daniel.holth
python-checkins at python.org
Tue Jan 29 04:53:29 CET 2013
http://hg.python.org/peps/rev/0516007d4d98
changeset: 4695:0516007d4d98
user: Daniel Holth <dholth at fastmail.fm>
date: Mon Jan 28 22:53:04 2013 -0500
summary:
PEP 426: add Version-Scheme
files:
pep-0426.txt | 32 +++++++++++++++++++++++++++-----
1 files changed, 27 insertions(+), 5 deletions(-)
diff --git a/pep-0426.txt b/pep-0426.txt
--- a/pep-0426.txt
+++ b/pep-0426.txt
@@ -68,7 +68,7 @@
0 or 1 times. Fields marked with "(multiple use)" may be specified
0, 1 or more times. Only "Metadata-Version", "Name", "Version", and
"Summary" must appear exactly once. The fields may appear in any order
-within the file.
+within the header section of the file.
Metadata-Version
::::::::::::::::
@@ -93,8 +93,7 @@
Version
:::::::
-A string containing the distribution's version number. This
-field should be in the format specified in PEP 386.
+A string containing the distribution's version number.
Example::
@@ -405,7 +404,7 @@
specified in PEP 386: they should correspond to the
version scheme used by the external dependency.
-Notice that there's is no particular rule on the strings to be used.
+Notice that there is no particular rule on the strings to be used.
Examples::
@@ -484,6 +483,27 @@
or after its declared tags `Chili/Type:` etc.
+Version-Scheme (optional)
+:::::::::::::::::::::::::
+
+A string specifying the sorting method for this distribution's version
+numbers. Although straightforward version numbers tend to sort the same in
+each scheme, there is disagreement about how to sort patch releases and
+versions having alphanumeric components such as "1.0.0rc2" and "1.0.0pre3".
+
+ Version-Scheme: pkg_resources
+ Version-Scheme: pep386
+ Version-Scheme: semver-2.0.0rc1
+ Version-Scheme: random
+
+The four initially supported schemes are:
+
+* pkg_resources: sort according to setuptools' pkg_resources module
+* pep386: sort according to the rules in pep386
+* semver-2.0.0rc1: sort according to http://semver.org/
+* random: do the shuffle
+
+
Version Specifiers
==================
@@ -495,7 +515,8 @@
the string ">1.0, !=1.3.4, <2.0" is a legal version declaration.
The comma (",") is equivalent to the **and** operator.
-Each version number must be in the format specified in PEP 386.
+Each version number should be in the format used by the referenced
+distribution.
When a version is provided, it always includes all versions that
starts with the same value. For example the "2.5" version of Python
@@ -618,6 +639,7 @@
- Provides-Extra
- Setup-Requires-Dist
- Obsoleted-By
+ - Version-Scheme
References
==========
--
Repository URL: http://hg.python.org/peps
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