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import sys, os
import re
import subprocess
from netrender.utils import *
class AbstractVCS:
name = "ABSTRACT VCS"
def __init__(self):
pass
def update(self, info):
"""update(info)
Update a working copy to the specified revision.
If working copy doesn't exist, do a full get from server to create it.
[info] model.VersioningInfo instance, specifies the working path, remote path and version number."""
pass
def revision(self, path):
"""revision(path)
return the current revision of the specified working copy path"""
pass
def path(self, path):
"""path(path)
return the remote path of the specified working copy path"""
pass
class Subversion(AbstractVCS):
name = "Subversion"
def __init__(self):
super().__init__()
self.version_exp = re.compile("([0-9]*)")
self.path_exp = re.compile("URL: (.*)")
def update(self, info):
if not os.path.exists(info.wpath):
base, folder = os.path.split(info.wpath)
with DirectoryContext(base):
subprocess.call(["svn", "co", "%s@%s" % (info.rpath, str(info.revision)), folder])
else:
with DirectoryContext(info.wpath):
subprocess.call(["svn", "up", "--accept", "theirs-full", "-r", str(info.revision)])
def revision(self, path):
if not os.path.exists(path):
return
with DirectoryContext(path):
stdout = subprocess.check_output(["svnversion"])
match = self.version_exp.match(str(stdout, encoding="utf-8"))
if match:
return match.group(1)
def path(self, path):
if not os.path.exists(path):
return
with DirectoryContext(path):
stdout = subprocess.check_output(["svn", "info"])
match = self.path_exp.search(str(stdout, encoding="utf-8"))
if match:
return match.group(1)
class Git(AbstractVCS):
name = "Git"
def __init__(self):
super().__init__()
self.version_exp = re.compile("^commit (.*)")
def update(self, info):
if not os.path.exists(info.wpath):
base, folder = os.path.split(info.wpath)
with DirectoryContext(base):
subprocess.call(["git", "clone", "%s" % (info.rpath), folder])
with DirectoryContext(info.wpath):
subprocess.call(["git", "checkout", str(info.revision)])
def revision(self, path):
if not os.path.exists(path):
return
with DirectoryContext(path):
stdout = subprocess.check_output(["git", "show"])
match = self.version_exp.search(str(stdout, encoding="utf-8"))
if match:
return match.group(1)
def path(self, path):
if not os.path.exists(path):
return
# find something that could somehow work for git (fun times)
return path
SYSTEMS = {
Subversion.name: Subversion(),
Git.name: Git()
}
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