Implement post-tag versioning numbering.

Change-Id: If886d1ee70420fe52776663ec9cf75bf31d54012

.gitignore

@@ -11,3 +11,4 @@ build
 dist
 python_novaclient.egg-info
 AUTHORS
+novaclient/versioninfo

MANIFEST.in

@@ -3,6 +3,7 @@ include HACKING
 include LICENSE
 include README.rst
 include run_tests.sh tox.ini
+include novaclient/versioninfo
 recursive-include doc *
 recursive-include tests *
 recursive-include tools *

novaclient/openstack/common/setup.py

@@ -19,9 +19,11 @@
 Utilities with minimum-depends for use in setup.py
 """
 
+import datetime
 import os
 import re
 import subprocess
+import sys
 
 from setuptools.command import sdist
 
@@ -33,8 +35,8 @@ def parse_mailmap(mailmap='.mailmap'):
         for l in fp:
             l = l.strip()
             if not l.startswith('#') and ' ' in l:
-                canonical_email, alias = [x for x in l.split(' ')
+                canonical_email, alias = ['%s>' % x.strip() for x in
-                                          if x.startswith('<')]
+                                          l.split('>')][:2]
                 mapping[alias] = canonical_email
     return mapping
 
@@ -76,6 +78,10 @@ def parse_requirements(requirements_files=['requirements.txt',
         # -f lines are for index locations, and don't get used here
         elif re.match(r'\s*-f\s+', line):
             pass
+        # argparse is part of the standard library starting with 2.7
+        # adding it to the requirements list screws distro installs
+        elif line == 'argparse' and sys.version_info >= (2, 7):
+            pass
         else:
             requirements.append(line)
 
@@ -113,28 +119,54 @@ def write_requirements():
 def _run_shell_command(cmd):
     output = subprocess.Popen(["/bin/sh", "-c", cmd],
                               stdout=subprocess.PIPE)
-    return output.communicate()[0].strip()
+    out = output.communicate()
+    if len(out) == 0:
+        return None
+    if len(out[0].strip()) == 0:
+        return None
+    return out[0].strip()
 
 
-def write_vcsversion(location):
+def _get_git_next_version_suffix(branch_name):
-    """Produce a vcsversion dict that mimics the old one produced by bzr.
+    datestamp = datetime.datetime.now().strftime('%Y%m%d')
-    """
+    if branch_name == 'milestone-proposed':
-    if os.path.isdir('.git'):
+        revno_prefix = "r"
-        branch_nick_cmd = 'git branch | grep -Ei "\* (.*)" | cut -f2 -d" "'
+    else:
-        branch_nick = _run_shell_command(branch_nick_cmd)
+        revno_prefix = ""
-        revid_cmd = "git rev-parse HEAD"
+    _run_shell_command("git fetch origin +refs/meta/*:refs/remotes/meta/*")
-        revid = _run_shell_command(revid_cmd).split()[0]
+    milestone_cmd = "git show meta/openstack/release:%s" % branch_name
-        revno_cmd = "git log --oneline | wc -l"
+    milestonever = _run_shell_command(milestone_cmd)
-        revno = _run_shell_command(revno_cmd)
+    if not milestonever:
-        with open(location, 'w') as version_file:
+        milestonever = ""
-            version_file.write("""
+    post_version = _get_git_post_version()
-# This file is automatically generated by setup.py, So don't edit it. :)
+    revno = post_version.split(".")[-1]
-version_info = {
+    return "%s~%s.%s%s" % (milestonever, datestamp, revno_prefix, revno)
-    'branch_nick': '%s',
+
-    'revision_id': '%s',
+
-    'revno': %s
+def _get_git_current_tag():
-}
+    return _run_shell_command("git tag --contains HEAD")
-""" % (branch_nick, revid, revno))
+
+
+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"))
+        else:
+            tag_infos = tag_info.split("-")
+            base_version = "-".join(tag_infos[:-2])
+            revno = tag_infos[-2]
+        return "%s.%s" % (base_version, revno)
 
 
 def write_git_changelog():
@@ -164,12 +196,32 @@ def generate_authors():
                 with open(old_authors, "r") as old_authors_fh:
                     new_authors_fh.write('\n' + old_authors_fh.read())
 
+_rst_template = """%(heading)s
+%(underline)s
+
+.. automodule:: %(module)s
+  :members:
+  :undoc-members:
+  :show-inheritance:
+"""
+
+
+def write_versioninfo(project, version):
+    """Write a simple file containing the version of the package."""
+    open(os.path.join(project, 'versioninfo'), 'w').write("%s\n" % version)
+
 
 def get_cmdclass():
     """Return dict of commands to run from setup.py."""
 
     cmdclass = dict()
 
+    def _find_modules(arg, dirname, files):
+        for filename in files:
+            if filename.endswith('.py') and filename != '__init__.py':
+                arg["%s.%s" % (dirname.replace('/', '.'),
+                               filename[:-3])] = True
+
     class LocalSDist(sdist.sdist):
         """Builds the ChangeLog and Authors files from VC first."""
 
@@ -188,13 +240,91 @@ def get_cmdclass():
         from sphinx.setup_command import BuildDoc
 
         class LocalBuildDoc(BuildDoc):
+            def generate_autoindex(self):
+                print "**Autodocumenting from %s" % os.path.abspath(os.curdir)
+                modules = {}
+                option_dict = self.distribution.get_option_dict('build_sphinx')
+                source_dir = os.path.join(option_dict['source_dir'][1], 'api')
+                if not os.path.exists(source_dir):
+                    os.makedirs(source_dir)
+                for pkg in self.distribution.packages:
+                    if '.' not in pkg:
+                        os.path.walk(pkg, _find_modules, modules)
+                module_list = modules.keys()
+                module_list.sort()
+                autoindex_filename = os.path.join(source_dir, 'autoindex.rst')
+                with open(autoindex_filename, 'w') as autoindex:
+                    autoindex.write(""".. toctree::
+   :maxdepth: 1
+
+""")
+                    for module in module_list:
+                        output_filename = os.path.join(source_dir,
+                                                       "%s.rst" % module)
+                        heading = "The :mod:`%s` Module" % module
+                        underline = "=" * len(heading)
+                        values = dict(module=module, heading=heading,
+                                      underline=underline)
+
+                        print "Generating %s" % output_filename
+                        with open(output_filename, 'w') as output_file:
+                            output_file.write(_rst_template % values)
+                        autoindex.write("   %s.rst\n" % module)
+
             def run(self):
+                if not os.getenv('SPHINX_DEBUG'):
+                    self.generate_autoindex()
+
                 for builder in ['html', 'man']:
                     self.builder = builder
                     self.finalize_options()
+                    self.project = self.distribution.get_name()
+                    self.version = self.distribution.get_version()
+                    self.release = self.distribution.get_version()
                     BuildDoc.run(self)
         cmdclass['build_sphinx'] = LocalBuildDoc
     except ImportError:
         pass
 
     return cmdclass
+
+
+def get_git_branchname():
+    for branch in _run_shell_command("git branch --color=never").split("\n"):
+        if branch.startswith('*'):
+            _branch_name = branch.split()[1].strip()
+    if _branch_name == "(no":
+        _branch_name = "no-branch"
+    return _branch_name
+
+
+def get_pre_version(projectname, base_version):
+    """Return a version which is based"""
+    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.split('~')[0]
+    else:
+        with open(os.path.join(projectname, 'versioninfo'), 'r') as vinfo:
+            full_version = vinfo.read().strip()
+            return full_version.split('~')[0]
+
+
+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()
+        write_versioninfo(projectname, version)
+        return version
+    return open(os.path.join(projectname, 'versioninfo'), 'r').read().strip()

setup.py

@@ -34,7 +34,7 @@ setup.generate_authors()
 
 setuptools.setup(
     name="python-novaclient",
-    version="2012.2",
+    version=setup.get_post_version('novaclient'),
     author="Rackspace, based on work by Jacob Kaplan-Moss",
     author_email="github@racklabs.com",
     description="Client library for OpenStack Nova API.",