add hg and python

1 files changed, 273 insertions, 0 deletions

diff --git a/sys/src/cmd/hg/setup.py b/sys/src/cmd/hg/setup.py
new file mode 100644
index 000000000..8a17333fd
--- /dev/null
+++ b/sys/src/cmd/hg/setup.py
@@ -0,0 +1,273 @@
+#!/usr/bin/env python
+#
+# This is the mercurial setup script.
+#
+# 'python setup.py install', or
+# 'python setup.py --help' for more options
+
+import sys
+if not hasattr(sys, 'version_info') or sys.version_info < (2, 4, 0, 'final'):
+    raise SystemExit("Mercurial requires Python 2.4 or later.")
+
+# Solaris Python packaging brain damage
+try:
+    import hashlib
+    sha = hashlib.sha1()
+except:
+    try:
+        import sha
+    except:
+        raise SystemExit(
+            "Couldn't import standard hashlib (incomplete Python install).")
+
+try:
+    import zlib
+except:
+    raise SystemExit(
+        "Couldn't import standard zlib (incomplete Python install).")
+
+import os, subprocess, time
+import shutil
+import tempfile
+from distutils.core import setup, Extension
+from distutils.dist import Distribution
+from distutils.command.install_data import install_data
+from distutils.command.build import build
+from distutils.command.build_py import build_py
+from distutils.spawn import spawn, find_executable
+from distutils.ccompiler import new_compiler
+
+extra = {}
+scripts = ['hg']
+if os.name == 'nt':
+    scripts.append('contrib/win32/hg.bat')
+
+# simplified version of distutils.ccompiler.CCompiler.has_function
+# that actually removes its temporary files.
+def has_function(cc, funcname):
+    tmpdir = tempfile.mkdtemp(prefix='hg-install-')
+    devnull = oldstderr = None
+    try:
+        try:
+            fname = os.path.join(tmpdir, 'funcname.c')
+            f = open(fname, 'w')
+            f.write('int main(void) {\n')
+            f.write('    %s();\n' % funcname)
+            f.write('}\n')
+            f.close()
+            # Redirect stderr to /dev/null to hide any error messages
+            # from the compiler.
+            # This will have to be changed if we ever have to check
+            # for a function on Windows.
+            devnull = open('/dev/null', 'w')
+            oldstderr = os.dup(sys.stderr.fileno())
+            os.dup2(devnull.fileno(), sys.stderr.fileno())
+            objects = cc.compile([fname], output_dir=tmpdir)
+            cc.link_executable(objects, os.path.join(tmpdir, "a.out"))
+        except:
+            return False
+        return True
+    finally:
+        if oldstderr is not None:
+            os.dup2(oldstderr, sys.stderr.fileno())
+        if devnull is not None:
+            devnull.close()
+        shutil.rmtree(tmpdir)
+
+# py2exe needs to be installed to work
+try:
+    import py2exe
+
+    # Help py2exe to find win32com.shell
+    try:
+        import modulefinder
+        import win32com
+        for p in win32com.__path__[1:]: # Take the path to win32comext
+            modulefinder.AddPackagePath("win32com", p)
+        pn = "win32com.shell"
+        __import__(pn)
+        m = sys.modules[pn]
+        for p in m.__path__[1:]:
+            modulefinder.AddPackagePath(pn, p)
+    except ImportError:
+        pass
+
+    extra['console'] = ['hg']
+
+except ImportError:
+    pass
+
+version = None
+
+if os.path.isdir('.hg'):
+    # Execute hg out of this directory with a custom environment which
+    # includes the pure Python modules in mercurial/pure. We also take
+    # care to not use any hgrc files and do no localization.
+    pypath = ['mercurial', os.path.join('mercurial', 'pure')]
+    env = {'PYTHONPATH': os.pathsep.join(pypath),
+           'HGRCPATH': '',
+           'LANGUAGE': 'C'}
+    if 'SystemRoot' in os.environ:
+        # Copy SystemRoot into the custom environment for Python 2.6
+        # under Windows. Otherwise, the subprocess will fail with
+        # error 0xc0150004. See: http://bugs.python.org/issue3440
+        env['SystemRoot'] = os.environ['SystemRoot']
+    cmd = [sys.executable, 'hg', 'id', '-i', '-t']
+
+    p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+                         stderr=subprocess.PIPE, env=env)
+    out, err = p.communicate()
+
+    # If root is executing setup.py, but the repository is owned by
+    # another user (as in "sudo python setup.py install") we will get
+    # trust warnings since the .hg/hgrc file is untrusted. That is
+    # fine, we don't want to load it anyway.
+    err = [e for e in err.splitlines()
+           if not e.startswith('Not trusting file')]
+    if err:
+        sys.stderr.write('warning: could not establish Mercurial '
+                         'version:\n%s\n' % '\n'.join(err))
+    else:
+        l = out.split()
+        while len(l) > 1 and l[-1][0].isalpha(): # remove non-numbered tags
+            l.pop()
+        if l:
+            version = l[-1] # latest tag or revision number
+            if version.endswith('+'):
+                version += time.strftime('%Y%m%d')
+elif os.path.exists('.hg_archival.txt'):
+    hgarchival = open('.hg_archival.txt')
+    for line in hgarchival:
+        if line.startswith('node:'):
+            version = line.split(':')[1].strip()[:12]
+            break
+
+if version:
+    f = open("mercurial/__version__.py", "w")
+    f.write('# this file is autogenerated by setup.py\n')
+    f.write('version = "%s"\n' % version)
+    f.close()
+
+
+try:
+    from mercurial import __version__
+    version = __version__.version
+except ImportError:
+    version = 'unknown'
+
+class install_package_data(install_data):
+    def finalize_options(self):
+        self.set_undefined_options('install',
+                                   ('install_lib', 'install_dir'))
+        install_data.finalize_options(self)
+
+class build_mo(build):
+
+    description = "build translations (.mo files)"
+
+    def run(self):
+        if not find_executable('msgfmt'):
+            self.warn("could not find msgfmt executable, no translations "
+                     "will be built")
+            return
+
+        podir = 'i18n'
+        if not os.path.isdir(podir):
+            self.warn("could not find %s/ directory" % podir)
+            return
+
+        join = os.path.join
+        for po in os.listdir(podir):
+            if not po.endswith('.po'):
+                continue
+            pofile = join(podir, po)
+            modir = join('locale', po[:-3], 'LC_MESSAGES')
+            mofile = join(modir, 'hg.mo')
+            cmd = ['msgfmt', '-v', '-o', mofile, pofile]
+            if sys.platform != 'sunos5':
+                # msgfmt on Solaris does not know about -c
+                cmd.append('-c')
+            self.mkpath(modir)
+            self.make_file([pofile], mofile, spawn, (cmd,))
+            self.distribution.data_files.append((join('mercurial', modir),
+                                                 [mofile]))
+
+build.sub_commands.append(('build_mo', None))
+
+Distribution.pure = 0
+Distribution.global_options.append(('pure', None, "use pure (slow) Python "
+                                    "code instead of C extensions"))
+
+class hg_build_py(build_py):
+
+    def finalize_options(self):
+        build_py.finalize_options(self)
+
+        if self.distribution.pure:
+            if self.py_modules is None:
+                self.py_modules = []
+            for ext in self.distribution.ext_modules:
+                if ext.name.startswith("mercurial."):
+                    self.py_modules.append("mercurial.pure.%s" % ext.name[10:])
+            self.distribution.ext_modules = []
+
+    def find_modules(self):
+        modules = build_py.find_modules(self)
+        for module in modules:
+            if module[0] == "mercurial.pure":
+                if module[1] != "__init__":
+                    yield ("mercurial", module[1], module[2])
+            else:
+                yield module
+
+cmdclass = {'install_data': install_package_data,
+            'build_mo': build_mo,
+            'build_py': hg_build_py}
+
+ext_modules=[
+    Extension('mercurial.base85', ['mercurial/base85.c']),
+    Extension('mercurial.bdiff', ['mercurial/bdiff.c']),
+    Extension('mercurial.diffhelpers', ['mercurial/diffhelpers.c']),
+    Extension('mercurial.mpatch', ['mercurial/mpatch.c']),
+    Extension('mercurial.parsers', ['mercurial/parsers.c']),
+    Extension('mercurial.osutil', ['mercurial/osutil.c']),
+    ]
+
+packages = ['mercurial', 'mercurial.hgweb', 'hgext', 'hgext.convert',
+            'hgext.highlight', 'hgext.zeroconf', ]
+
+if sys.platform == 'linux2' and os.uname()[2] > '2.6':
+    # The inotify extension is only usable with Linux 2.6 kernels.
+    # You also need a reasonably recent C library.
+    cc = new_compiler()
+    if has_function(cc, 'inotify_add_watch'):
+        ext_modules.append(Extension('hgext.inotify.linux._inotify',
+                                     ['hgext/inotify/linux/_inotify.c']))
+        packages.extend(['hgext.inotify', 'hgext.inotify.linux'])
+
+datafiles = []
+for root in ('templates', 'i18n'):
+    for dir, dirs, files in os.walk(root):
+        dirs[:] = [x for x in dirs if not x.startswith('.')]
+        files = [x for x in files if not x.startswith('.')]
+        datafiles.append((os.path.join('mercurial', dir),
+                          [os.path.join(dir, file_) for file_ in files]))
+
+setup(name='mercurial',
+      version=version,
+      author='Matt Mackall',
+      author_email='mpm@selenic.com',
+      url='http://mercurial.selenic.com/',
+      description='Scalable distributed SCM',
+      license='GNU GPL',
+      scripts=scripts,
+      packages=packages,
+      ext_modules=ext_modules,
+      data_files=datafiles,
+      cmdclass=cmdclass,
+      options=dict(py2exe=dict(packages=['hgext', 'email']),
+                   bdist_mpkg=dict(zipdist=True,
+                                   license='COPYING',
+                                   readme='contrib/macosx/Readme.html',
+                                   welcome='contrib/macosx/Welcome.html')),
+      **extra)