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import subprocess, re, os, tempfile
class GitError(Exception):
pass
class SHAError(GitError):
pass
class ExecutionError(GitError):
def __init__(self, errcode):
self.error_code = errcode
def _check(process):
if process.returncode != 0:
raise ExecutionError(process.returncode)
_sha_re = re.compile('^[0-9a-fA-F]*$')
def rev_parse(rev='HEAD', tree=None):
process = subprocess.Popen(['git', 'rev-parse', rev],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
sha = stdout.strip()
if not _sha_re.match(sha):
raise SHAError()
return sha
def describe(rev='HEAD', tree=None):
process = subprocess.Popen(['git', 'describe', '--always', '--long', rev],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
return stdout.strip()
def init(tree=None):
process = subprocess.Popen(['git', 'init'],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
def add(path, tree=None):
process = subprocess.Popen(['git', 'add', path],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
def commit_all(message, tree=None):
add('.', tree=tree)
process = subprocess.Popen(['git', 'commit', '--allow-empty', '-a', '-m', message],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
def ls_tree(rev, files, tree=None):
process = subprocess.Popen(['git', 'ls-tree', '-z', '-r', rev, '--', ] + list(files),
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
files = stdout.split('\0')
ret = []
for f in files:
if not f:
continue
meta, f = f.split('\t', 1)
meta = meta.split()
meta.append(f)
ret.append(meta)
process.wait()
_check(process)
return ret
def get_blob(blob, outf, tree=None):
process = subprocess.Popen(['git', 'show', blob],
stdout=outf, close_fds=True, cwd=tree)
process.wait()
_check(process)
def clone(gittree, outputdir, options=[]):
process = subprocess.Popen(['git', 'clone'] + options + [gittree, outputdir])
process.wait()
_check(process)
def set_origin(giturl, gitdir):
process = subprocess.Popen(['git', 'remote', 'rm', 'origin'],
close_fds=True, universal_newlines=True, cwd=gitdir)
process.wait()
process = subprocess.Popen(['git', 'remote', 'add', 'origin', giturl],
close_fds=True, universal_newlines=True, cwd=gitdir)
process.wait()
_check(process)
def remote_update(gitdir):
process = subprocess.Popen(['git', 'remote', 'update'],
close_fds=True, universal_newlines=True, cwd=gitdir)
process.wait()
_check(process)
def shortlog(from_commit, to_commit, tree=None):
process = subprocess.Popen(['git', 'shortlog', from_commit + '..' + to_commit],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
close_fds=True, universal_newlines=True,
cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
return stdout
def commit_env_vars(commitid, tree=None):
process = subprocess.Popen(['git', 'show', '--name-only',
'--format=format:GIT_AUTHOR_NAME=%an%nGIT_AUTHOR_EMAIL=%ae%nGIT_AUTHOR_DATE=%aD%x00',
commitid],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True,
cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
data = stdout.split('\x00')[0]
vals = data.split('\n')
d = {}
for k, v in map(lambda x: x.split('=', 1), vals):
d[k] = v
return d
def commit_message(commitid, tree=None):
process = subprocess.Popen(['git', 'show', '--name-only',
'--format=format:%s%n%n%b%x00', commitid],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True,
cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
return stdout.split('\x00')[0]
def remove_config(cfg, tree=None):
process = subprocess.Popen(['git', 'config', '--unset-all', cfg],
close_fds=True, universal_newlines=True, cwd=tree)
process.wait()
_check(process)
def ls_remote(branch, tree=None, remote='origin'):
process = subprocess.Popen(['git', 'ls-remote', '--exit-code', remote, 'refs/heads/' + branch],
stdout=subprocess.PIPE,
close_fds=True, universal_newlines=True, cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
sha = stdout.split()[0]
if not _sha_re.match(sha):
raise SHAError()
return sha
def add(fn, tree=None):
process = subprocess.Popen(['git', 'add', fn], cwd=tree,
close_fds=True, universal_newlines=True)
process.wait()
_check(process)
def commit(msg, tree=None, env = {}, opts=[]):
stdin = tempfile.NamedTemporaryFile(mode='wr')
stdin.write(msg)
stdin.seek(0)
process = subprocess.Popen(['git', 'commit', '--file=-'] + opts,
stdin=stdin.file, universal_newlines=True, env=env,
cwd=tree)
process.wait()
_check(process)
def push(opts=[], tree=None):
process = subprocess.Popen(['git', 'push'] + opts,
close_fds=True, universal_newlines=True, cwd=tree)
process.wait()
_check(process)
def log_commits(from_commit, to_commit, tree=None):
process = subprocess.Popen(['git', 'log', '--first-parent', '--format=format:%H',
from_commit + '..' + to_commit],
stdout=subprocess.PIPE,
close_fds=True, universal_newlines=True,
cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
vals = stdout.split()
vals.reverse()
return vals
def commit_env_vars(commitid, tree=None):
process = subprocess.Popen(['git', 'show', '--name-only',
'--format=format:GIT_AUTHOR_NAME=%an%nGIT_AUTHOR_EMAIL=%ae%nGIT_AUTHOR_DATE=%aD%x00',
commitid],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
close_fds=True, universal_newlines=True,
cwd=tree)
stdout = process.communicate()[0]
process.wait()
_check(process)
data = stdout.split('\x00')[0]
vals = data.split('\n')
d = {}
for k, v in map(lambda x: x.split('=', 1), vals):
d[k] = v
return d
def rm(opts=[], tree=None):
process = subprocess.Popen(['git', 'rm'] + opts,
close_fds=True, universal_newlines=True, cwd=tree)
process.wait()
_check(process)
def reset(opts=[], tree=None):
process = subprocess.Popen(['git', 'reset'] + opts,
close_fds=True, universal_newlines=True, cwd=tree)
process.wait()
_check(process)
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