Align with project configs.

* docs in doc/ rather than docs/
* write out changelog from git
* freeze requirements file

Change-Id: If28d5414f7b2747fd6835546c45e1acfac8a3563

2 files changed, 127 insertions, 1 deletions

diff --git a/keystone/openstack/common/cfg.py b/keystone/openstack/common/cfg.py
index e92a574a..51c72ecd 100644
--- a/keystone/openstack/common/cfg.py
+++ b/keystone/openstack/common/cfg.py
@@ -1,6 +1,5 @@
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
 
-# Copyright 2012 OpenStack, LLC
 # Copyright 2011 Red Hat, Inc.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/keystone/openstack/common/setup.py b/keystone/openstack/common/setup.py
new file mode 100644
index 00000000..9eabfcca
--- /dev/null
+++ b/keystone/openstack/common/setup.py
@@ -0,0 +1,127 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2011 OpenStack LLC.
+# All Rights Reserved.
+#
+#    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
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""
+Utilities with minimum-depends for use in setup.py
+"""
+
+import os
+import re
+import subprocess
+
+
+def parse_mailmap(mailmap='.mailmap'):
+    mapping = {}
+    if os.path.exists(mailmap):
+        fp = open(mailmap, 'r')
+        for l in fp:
+            l = l.strip()
+            if not l.startswith('#') and ' ' in l:
+                canonical_email, alias = l.split(' ')
+                mapping[alias] = canonical_email
+    return mapping
+
+
+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():
+        changelog = changelog.replace(alias, email)
+    return changelog
+
+
+# Get requirements from the first file that exists
+def get_reqs_from_files(requirements_files):
+    reqs_in = []
+    for requirements_file in requirements_files:
+        if os.path.exists(requirements_file):
+            return open(requirements_file, 'r').read().split('\n')
+    return []
+
+
+def parse_requirements(requirements_files=['requirements.txt',
+                                           'tools/pip-requires']):
+    requirements = []
+    for line in get_reqs_from_files(requirements_files):
+        if re.match(r'\s*-e\s+', line):
+            requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
+                                line))
+        elif re.match(r'\s*-f\s+', line):
+            pass
+        else:
+            requirements.append(line)
+
+    return requirements
+
+
+def parse_dependency_links(requirements_files=['requirements.txt',
+                                               'tools/pip-requires']):
+    dependency_links = []
+    for line in get_reqs_from_files(requirements_files):
+        if re.match(r'(\s*#)|(\s*$)', line):
+            continue
+        if re.match(r'\s*-[ef]\s+', line):
+            dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
+    return dependency_links
+
+
+def write_requirements():
+    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):
+    output = subprocess.Popen(["/bin/sh", "-c", cmd],
+                              stdout=subprocess.PIPE)
+    return output.communicate()[0].strip()
+
+
+def write_vcsversion(location):
+    """ Produce a vcsversion dict that mimics the old one produced by bzr
+    """
+    if os.path.isdir('.git'):
+        branch_nick_cmd = 'git branch | grep -Ei "\* (.*)" | cut -f2 -d" "'
+        branch_nick = _run_shell_command(branch_nick_cmd)
+        revid_cmd = "git rev-parse HEAD"
+        revid = _run_shell_command(revid_cmd).split()[0]
+        revno_cmd = "git log --oneline | wc -l"
+        revno = _run_shell_command(revno_cmd)
+        with open(location, 'w') as version_file:
+            version_file.write("""
+# This file is automatically generated by setup.py, So don't edit it. :)
+version_info = {
+    'branch_nick': '%s',
+    'revision_id': '%s',
+    'revno': %s
+}
+""" % (branch_nick, revid, revno))
+
+
+def write_git_changelog():
+    """ Write a changelog based on the git changelog """
+    if os.path.isdir('.git'):
+        git_log_cmd = 'git log --stat'
+        changelog = _run_shell_command(git_log_cmd)
+        mailmap = parse_mailmap()
+        with open("ChangeLog", "w") as changelog_file:
+            changelog_file.write(canonicalize_emails(changelog, mailmap))