Updated to latest oslo-version code.

In support of tag-based versioning, update to latest oslo-version.
This changes from using versioninfo files to using PKG_INFO.

Change-Id: Ia7d212d531305997153204dfffa44beed4bad0d3

MANIFEST.in

@@ -1,6 +1,5 @@
 include AUTHORS
 include ChangeLog
-include quantum/versioninfo
 include quantum/db/migration/README
 include quantum/db/migration/alembic.ini
 include quantum/db/migration/alembic/script.py.mako

quantum/openstack/common/setup.py

@@ -1,6 +1,7 @@
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
 
 # Copyright 2011 OpenStack LLC.
+# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -19,7 +20,7 @@
 Utilities with minimum-depends for use in setup.py
 """
 
-import datetime
+import email
 import os
 import re
 import subprocess
@@ -33,11 +34,12 @@ def parse_mailmap(mailmap='.mailmap'):
     if os.path.exists(mailmap):
         with open(mailmap, 'r') as fp:
             for l in fp:
-                l = l.strip()
+                try:
-                if not l.startswith('#') and ' ' in l:
+                    canonical_email, alias = re.match(
-                    canonical_email, alias = [x for x in l.split(' ')
+                        r'[^#]*?(<.+>).*(<.+>).*', l).groups()
-                                              if x.startswith('<')]
+                except AttributeError:
-                    mapping[alias] = canonical_email
+                    continue
+                mapping[alias] = canonical_email
     return mapping
 
 
@@ -45,8 +47,8 @@ def canonicalize_emails(changelog, mapping):
     """Takes in a string and an email alias mapping and replaces all
        instances of the aliases in the string with their real email.
     """
-    for alias, email in mapping.iteritems():
+    for alias, email_address in mapping.iteritems():
-        changelog = changelog.replace(alias, email)
+        changelog = changelog.replace(alias, email_address)
     return changelog
 
 
@@ -106,23 +108,17 @@ def parse_dependency_links(requirements_files=['requirements.txt',
     return dependency_links
 
 
-def write_requirements():
+def _run_shell_command(cmd, throw_on_error=False):
-    venv = os.environ.get('VIRTUAL_ENV', None)
-    if venv is not None:
-        with open("requirements.txt", "w") as req_file:
-            output = subprocess.Popen(["pip", "-E", venv, "freeze", "-l"],
-                                      stdout=subprocess.PIPE)
-            requirements = output.communicate()[0].strip()
-            req_file.write(requirements)
-
-
-def _run_shell_command(cmd):
     if os.name == 'nt':
         output = subprocess.Popen(["cmd.exe", "/C", cmd],
-                                  stdout=subprocess.PIPE)
+                                  stdout=subprocess.PIPE,
+                                  stderr=subprocess.PIPE)
     else:
         output = subprocess.Popen(["/bin/sh", "-c", cmd],
-                                  stdout=subprocess.PIPE)
+                                  stdout=subprocess.PIPE,
+                                  stderr=subprocess.PIPE)
+    if output.returncode and throw_on_error:
+        raise Exception("%s returned %d" % cmd, output.returncode)
     out = output.communicate()
     if len(out) == 0:
         return None
@@ -131,57 +127,6 @@ def _run_shell_command(cmd):
     return out[0].strip()
 
 
-def _get_git_next_version_suffix(branch_name):
-    datestamp = datetime.datetime.now().strftime('%Y%m%d')
-    if branch_name == 'milestone-proposed':
-        revno_prefix = "r"
-    else:
-        revno_prefix = ""
-    _run_shell_command("git fetch origin +refs/meta/*:refs/remotes/meta/*")
-    milestone_cmd = "git show meta/openstack/release:%s" % branch_name
-    milestonever = _run_shell_command(milestone_cmd)
-    if milestonever:
-        first_half = "%s~%s" % (milestonever, datestamp)
-    else:
-        first_half = datestamp
-
-    post_version = _get_git_post_version()
-    # post version should look like:
-    # 0.1.1.4.gcc9e28a
-    # where the bit after the last . is the short sha, and the bit between
-    # the last and second to last is the revno count
-    (revno, sha) = post_version.split(".")[-2:]
-    second_half = "%s%s.%s" % (revno_prefix, revno, sha)
-    return ".".join((first_half, second_half))
-
-
-def _get_git_current_tag():
-    return _run_shell_command("git tag --contains HEAD")
-
-
-def _get_git_tag_info():
-    return _run_shell_command("git describe --tags")
-
-
-def _get_git_post_version():
-    current_tag = _get_git_current_tag()
-    if current_tag is not None:
-        return current_tag
-    else:
-        tag_info = _get_git_tag_info()
-        if tag_info is None:
-            base_version = "0.0"
-            cmd = "git --no-pager log --oneline"
-            out = _run_shell_command(cmd)
-            revno = len(out.split("\n"))
-            sha = _run_shell_command("git describe --always")
-        else:
-            tag_infos = tag_info.split("-")
-            base_version = "-".join(tag_infos[:-2])
-            (revno, sha) = tag_infos[-2:]
-        return "%s.%s.%s" % (base_version, revno, sha)
-
-
 def write_git_changelog():
     """Write a changelog based on the git changelog."""
     new_changelog = 'ChangeLog'
@@ -227,26 +172,6 @@ _rst_template = """%(heading)s
 """
 
 
-def read_versioninfo(project):
-    """Read the versioninfo file. If it doesn't exist, we're in a github
-       zipball, and there's really no way to know what version we really
-       are, but that should be ok, because the utility of that should be
-       just about nil if this code path is in use in the first place."""
-    versioninfo_path = os.path.join(project, 'versioninfo')
-    if os.path.exists(versioninfo_path):
-        with open(versioninfo_path, 'r') as vinfo:
-            version = vinfo.read().strip()
-    else:
-        version = "0.0.0"
-    return version
-
-
-def write_versioninfo(project, version):
-    """Write a simple file containing the version of the package."""
-    with open(os.path.join(project, 'versioninfo'), 'w') as fil:
-        fil.write("%s\n" % version)
-
-
 def get_cmdclass():
     """Return dict of commands to run from setup.py."""
 
@@ -333,42 +258,78 @@ def get_cmdclass():
     return cmdclass
 
 
-def get_git_branchname():
+def _get_revno():
-    for branch in _run_shell_command("git branch --color=never").split("\n"):
+    """Return the number of commits since the most recent tag.
-        if branch.startswith('*'):
+
-            _branch_name = branch.split()[1].strip()
+    We use git-describe to find this out, but if there are no
-    if _branch_name == "(no":
+    tags then we fall back to counting commits since the beginning
-        _branch_name = "no-branch"
+    of time.
-    return _branch_name
+    """
+    describe = _run_shell_command("git describe --always")
+    if "-" in describe:
+        return describe.rsplit("-", 2)[-2]
+
+    # no tags found
+    revlist = _run_shell_command("git rev-list --abbrev-commit HEAD")
+    return len(revlist.splitlines())
 
 
-def get_pre_version(projectname, base_version):
+def get_version_from_git(pre_version):
-    """Return a version which is leading up to a version that will
-       be released in the future."""
-    if os.path.isdir('.git'):
-        current_tag = _get_git_current_tag()
-        if current_tag is not None:
-            version = current_tag
-        else:
-            branch_name = os.getenv('BRANCHNAME',
-                                    os.getenv('GERRIT_REFNAME',
-                                              get_git_branchname()))
-            version_suffix = _get_git_next_version_suffix(branch_name)
-            version = "%s~%s" % (base_version, version_suffix)
-        write_versioninfo(projectname, version)
-        return version
-    else:
-        version = read_versioninfo(projectname)
-    return version
-
-
-def get_post_version(projectname):
     """Return a version which is equal to the tag that's on the current
     revision if there is one, or tag plus number of additional revisions
     if the current revision has no tag."""
 
     if os.path.isdir('.git'):
-        version = _get_git_post_version()
+        if pre_version:
-        write_versioninfo(projectname, version)
+            try:
+                return _run_shell_command(
+                    "git describe --exact-match",
+                    throw_on_error=True).replace('-', '.')
+            except Exception:
+                sha = _run_shell_command("git log -n1 --pretty=format:%h")
+                return "%s.a%s.g%s" % (pre_version, _get_revno(), sha)
+        else:
+            return _run_shell_command(
+                "git describe --always").replace('-', '.')
+    return None
+
+
+def get_version_from_pkg_info(package_name):
+    """Get the version from PKG-INFO file if we can."""
+    try:
+        pkg_info_file = open('PKG-INFO', 'r')
+    except (IOError, OSError):
+        return None
+    try:
+        pkg_info = email.message_from_file(pkg_info_file)
+    except email.MessageError:
+        return None
+    # Check to make sure we're in our own dir
+    if pkg_info.get('Name', None) != package_name:
+        return None
+    return pkg_info.get('Version', None)
+
+
+def get_version(package_name, pre_version=None):
+    """Get the version of the project. First, try getting it from PKG-INFO, if
+    it exists. If it does, that means we're in a distribution tarball or that
+    install has happened. Otherwise, if there is no PKG-INFO file, pull the
+    version from git.
+
+    We do not support setup.py version sanity in git archive tarballs, nor do
+    we support packagers directly sucking our git repo into theirs. We expect
+    that a source tarball be made from our git repo - or that if someone wants
+    to make a source tarball from a fork of our repo with additional tags in it
+    that they understand and desire the results of doing that.
+    """
+    version = os.environ.get("OSLO_PACKAGE_VERSION", None)
+    if version:
         return version
-    return read_versioninfo(projectname)
+    version = get_version_from_pkg_info(package_name)
+    if version:
+        return version
+    version = get_version_from_git(pre_version)
+    if version:
+        return version
+    raise Exception("Versioning for this project requires either an sdist"
+                    " tarball, or access to an upstream git repository.")

quantum/openstack/common/version.py

@@ -1,6 +1,6 @@
-# vim: tabstop=4 shiftwidth=4 softtabstop=4
 
 #    Copyright 2012 OpenStack LLC
+#    Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
@@ -15,116 +15,63 @@
 #    under the License.
 
 """
-Utilities for consuming the auto-generated versioninfo files.
+Utilities for consuming the version from pkg_resources.
 """
 
-import datetime
 import pkg_resources
 
-import setup
-
 
 class VersionInfo(object):
 
-    def __init__(self, package, python_package=None, pre_version=None):
+    def __init__(self, package):
         """Object that understands versioning for a package
-        :param package: name of the top level python namespace. For glance,
+        :param package: name of the python package, such as glance, or
-                        this would be "glance" for python-glanceclient, it
+                        python-glanceclient
-                        would be "glanceclient"
-        :param python_package: optional name of the project name. For
-                               glance this can be left unset. For
-                               python-glanceclient, this would be
-                               "python-glanceclient"
-        :param pre_version: optional version that the project is working to
         """
         self.package = package
-        if python_package is None:
+        self.release = None
-            self.python_package = package
-        else:
-            self.python_package = python_package
-        self.pre_version = pre_version
         self.version = None
         self._cached_version = None
 
-    def _generate_version(self):
+    def _get_version_from_pkg_resources(self):
-        """Defer to the openstack.common.setup routines for making a
+        """Get the version of the package from the pkg_resources record
-        version from git."""
+        associated with the package."""
-        if self.pre_version is None:
-            return setup.get_post_version(self.package)
-        else:
-            return setup.get_pre_version(self.package, self.pre_version)
-
-    def _newer_version(self, pending_version):
-        """Check to see if we're working with a stale version or not.
-        We expect a version string that either looks like:
-          2012.2~f3~20120708.10.4426392
-        which is an unreleased version of a pre-version, or:
-          0.1.1.4.gcc9e28a
-        which is an unreleased version of a post-version, or:
-          0.1.1
-        Which is a release and which should match tag.
-        For now, if we have a date-embedded version, check to see if it's
-        old, and if so re-generate. Otherwise, just deal with it.
-        """
         try:
-            version_date = int(self.version.split("~")[-1].split('.')[0])
+            requirement = pkg_resources.Requirement.parse(self.package)
-            if version_date < int(datetime.date.today().strftime('%Y%m%d')):
+            provider = pkg_resources.get_provider(requirement)
-                return self._generate_version()
+            return provider.version
-            else:
+        except pkg_resources.DistributionNotFound:
-                return pending_version
+            # The most likely cause for this is running tests in a tree with
-        except Exception:
+            # produced from a tarball where the package itself has not been
-            return pending_version
+            # installed into anything. Check for a PKG-INFO file.
+            from quantum.openstack.common import setup
+            return setup.get_version_from_pkg_info(self.package)
 
-    def version_string_with_vcs(self, always=False):
+    def release_string(self):
         """Return the full version of the package including suffixes indicating
         VCS status.
-
-        For instance, if we are working towards the 2012.2 release,
-        canonical_version_string should return 2012.2 if this is a final
-        release, or else something like 2012.2~f1~20120705.20 if it's not.
-
-        :param always: if true, skip all version caching
         """
-        if always:
+        if self.release is None:
-            self.version = self._generate_version()
+            self.release = self._get_version_from_pkg_resources()
 
+        return self.release
+
+    def version_string(self):
+        """Return the short version minus any alpha/beta tags."""
         if self.version is None:
-
+            parts = []
-            requirement = pkg_resources.Requirement.parse(self.python_package)
+            for part in self.release_string().split('.'):
-            versioninfo = "%s/versioninfo" % self.package
+                if part[0].isdigit():
-            try:
+                    parts.append(part)
-                raw_version = pkg_resources.resource_string(requirement,
+                else:
-                                                            versioninfo)
+                    break
-                self.version = self._newer_version(raw_version.strip())
+            self.version = ".".join(parts)
-            except (IOError, pkg_resources.DistributionNotFound):
-                self.version = self._generate_version()
 
         return self.version
 
-    def canonical_version_string(self, always=False):
+    # Compatibility functions
-        """Return the simple version of the package excluding any suffixes.
+    canonical_version_string = version_string
-
+    version_string_with_vcs = release_string
-        For instance, if we are working towards the 2012.2 release,
-        canonical_version_string should return 2012.2 in all cases.
-
-        :param always: if true, skip all version caching
-        """
-        return self.version_string_with_vcs(always).split('~')[0]
-
-    def version_string(self, always=False):
-        """Return the base version of the package.
-
-        For instance, if we are working towards the 2012.2 release,
-        version_string should return 2012.2 if this is a final release, or
-        2012.2-dev if it is not.
-
-        :param always: if true, skip all version caching
-        """
-        version_parts = self.version_string_with_vcs(always).split('~')
-        if len(version_parts) == 1:
-            return version_parts[0]
-        else:
-            return '%s-dev' % (version_parts[0],)
 
     def cached_version_string(self, prefix=""):
         """Generate an object which will expand in a string context to

quantum/version.py

@@ -16,6 +16,4 @@
 
 from quantum.openstack.common import version as common_version
 
-NEXT_VERSION = '2013.1'
+version_info = common_version.VersionInfo('quantum')
-version_info = common_version.VersionInfo('quantum',
-                                          pre_version=NEXT_VERSION)

setup.py

@@ -16,7 +16,6 @@ import setuptools
 import sys
 
 from quantum.openstack.common import setup
-from quantum.version import version_info as version
 
 requires = setup.parse_requirements()
 depend_links = setup.parse_dependency_links()
@@ -28,7 +27,7 @@ if sys.platform == 'win32':
 
 Name = 'quantum'
 Url = "https://launchpad.net/quantum"
-Version = version.canonical_version_string(always=True)
+Version = setup.get_version(Name, '2013.1')
 License = 'Apache License 2.0'
 Author = 'Netstack'
 AuthorEmail = 'netstack@lists.launchpad.net'