Add python pip packaging

Fixes mnauw/git-remote-hg#13

Makefile

@@ -26,4 +26,14 @@ install-doc: doc
 	install -d -m 755 $(D)$(mandir)/
 	install -m 644 doc/git-remote-hg.1 $(D)$(mandir)/git-remote-hg.1
 
-.PHONY: all test install install-doc clean
+pypi:
+	-rm -rf dist build
+	python setup.py sdist bdist_wheel
+
+pypi-upload:
+	twine upload dist/*
+
+pypi-test:
+	twine upload --repository-url https://test.pypi.org/legacy/ dist/*
+
+.PHONY: all test install install-doc clean pypy pypy-upload

setup.py

@@ -0,0 +1,53 @@
+# git-remote-hg setuptools script
+
+import setuptools
+import subprocess
+import sys
+import os
+
+# derive version from git repo
+cmd = ["git", "describe", "--tags"]
+commit = os.environ.get('REV', None)
+if commit:
+  cmd.append(commit)
+process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+version = process.communicate()[0].strip()
+# strip leading v
+version = version[1:]
+
+# check for released version
+assert (len(version) > 0)
+assert (version.find('-') < 0)
+
+long_description = \
+"""
+'git-remote-hg' is a gitremote protocol helper for Mercurial.
+It allows you to clone, fetch and push to and from Mercurial repositories as if
+they were Git ones using a hg::some-url URL.
+
+See the homepage for much more explanation.
+"""
+
+CLASSIFIERS = [
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 2",
+    "Programming Language :: Python :: 2.7",
+    "License :: OSI Approved",
+    "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+]
+
+setuptools.setup(name="git-remote-hg",
+      version=version,
+      author="Mark Nauwelaerts",
+      author_email="mnauw@users.sourceforge.net",
+      url="http://github.com/mnauw/git-remote-hg",
+      description="access hg repositories as git remotes",
+      long_description=long_description,
+      license="GPLv2",
+      keywords="git hg mercurial",
+      scripts=["git-remote-hg", "git-hg-helper"],
+      classifiers=CLASSIFIERS
+     )
+