import os
import errno
import stat
import logging
import subprocess
import cPickle as pickle
from cStringIO import StringIO
from datetime import datetime
import pysvn
import pymongo
from pylons import c
from ming.orm.mapped_class import MappedClass
from ming.orm.property import FieldProperty
from ming.utils import LazyProperty
from pyforge import model as M
log = logging.getLogger(__name__)
def on_import():
SVNRepository.CommitClass = SVNCommit
SVNCommit.TreeClass = SVNTree
SVNTree.BlobClass = SVNBlob
class SVNRepository(M.Repository):
MAGIC_FILENAME='.SOURCEFORGE-REPOSITORY'
class __mongometa__:
name='svn-repository'
def index(self):
result = super(SVNRepository, self).index()
result.update(
type_s='SVNRepository')
return result
@LazyProperty
def _impl(self):
return pysvn.Client()
@LazyProperty
def local_url(self):
return 'file://%s/%s' % (self.fs_path, self.name)
@LazyProperty
def last_revision(self):
info = self._impl.info2(
self.local_url,
revision=pysvn.Revision(pysvn.opt_revision_kind.head),
recurse=False)
return info[0][1].rev.number
def init(self):
if not self.fs_path.endswith('/'): self.fs_path += '/'
try:
os.makedirs(self.fs_path)
except OSError, e: # pragma no cover
if e.errno != errno.EEXIST: raise
# We may eventually require --template=...
log.info('svnadmin create %s%s', self.fs_path, self.name)
result = subprocess.call(['svnadmin', 'create', self.name],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=self.fs_path)
magic_file = os.path.join(self.fs_path, self.name, self.MAGIC_FILENAME)
with open(magic_file, 'w') as f:
f.write('svn')
os.chmod(magic_file, stat.S_IRUSR|stat.S_IRGRP|stat.S_IROTH)
self.status = 'ready'
def _log(self, url, **kwargs):
try:
offset = kwargs.pop('offset', 0)
limit=kwargs.get('limit', 10)
if offset != 0:
latest = self._impl.log(url, limit=1)
if not latest: return []
latest = latest[0]
revno = latest.revision.number-offset
if offset + limit > revno:
limit = revno - offset
if limit <= 0: return []
revno = max(revno, 0)
kwargs['revision_start'] = pysvn.Revision(
pysvn.opt_revision_kind.number,
revno)
commits = self._impl.log(url, **kwargs)
return [ self.CommitClass.from_repo_object(entry, self) for entry in commits ]
except pysvn.ClientError: # pragma no cover
# probably an empty repo
return []
except: # pragma no cover
log.exception('Error performing SVN log:')
return []
def log(self, branch=None, offset=0, limit=10):
return self._log(self.local_url, offset=offset, limit=limit)
@LazyProperty
def latest(self):
try:
l = self._impl.log(self.local_url, limit=1)
except pysvn.ClientError:
return None
if l:
return self.CommitClass.from_repo_object(l[0], self)
else:
return None
def commit(self, revision):
try:
r = self._impl.log(
self.local_url,
revision_start=pysvn.Revision(
pysvn.opt_revision_kind.number, revision),
limit=1)
except pysvn.ClientError:
return None
if r: return self.CommitClass.from_repo_object(r[0], self)
else: return None
# def diff(self, r0, r1):
# r0 = pysvn.Revision(pysvn.opt_revision_kind.number, r0)
# r1 = pysvn.Revision(pysvn.opt_revision_kind.number, r1)
# return self._impl.diff(
# '/tmp', self.local_url, r0,
# self.local_url, r1)
def diff_summarize(self, r0, r1):
r0 = pysvn.Revision(pysvn.opt_revision_kind.number, r0)
r1 = pysvn.Revision(pysvn.opt_revision_kind.number, r1)
result = self._impl.diff_summarize(
self.local_url, r0,
self.local_url, r1)
return result
class SVNCommit(M.Commit):
type_s='SvnCommit'
@classmethod
def from_repo_object(cls, entry, repo):
result = cls(id=entry.revision.number, repo=repo)
result.__dict__['_impl'] = entry
result.author_username=entry.get('author')
result.datetime=datetime.utcfromtimestamp(entry.date)
return result
@LazyProperty
def revision(self):
return pysvn.Revision(pysvn.opt_revision_kind.number, self._id)
def context(self):
prev = next = None
if self.revision.number < self._repo.latest.revision.number:
next = self._repo.commit(self.revision.number+1)
if self.revision.number > 1:
prev = self._repo.commit(self.revision.number-1)
return dict(prev=prev, next=next)
def __getattr__(self, name):
return getattr(self._impl, name)
def dump_ref(self):
'''Return a pickle-serializable reference to an artifact'''
try:
d = M.ArtifactReference(dict(
project_id=c.project._id,
mount_point=c.app.config.options.mount_point,
artifact_type=pymongo.bson.Binary(pickle.dumps(self.__class__)),
artifact_id=self._id))
return d
except AttributeError: # pragma no cover
return None
def url(self):
return self._repo.url() + str(self._id) + '/'
def primary(self, *args):
return self
def shorthand_id(self):
return '[r%s]' % self._id
def diff_summarize(self, other_rev=None):
if other_rev is None: other_rev = self._id-1
for s in self._repo.diff_summarize(other_rev, self._id):
yield str(s.summarize_kind), s.path
# def diff(self, other_rev=None):
# if other_rev is None: other_rev = self._id-1
# return super(SVNCommit, self).diff(other_rev)
@LazyProperty
def author(self):
return M.User.by_username(self.author_username)
class SVNTree(M.Tree):
def ls(self):
try:
for dirent in self._repo._impl.ls(
self._repo.local_url + self.path(),
revision=self._commit.revision):
name = dirent.name.rsplit('/')[-1]
date = datetime.fromtimestamp(dirent.time)
href = name
if dirent.kind == pysvn.node_kind.dir:
href = href + '/'
commit = self._repo.commit(dirent.created_rev.number)
yield dict(dirent, name=name, date=date, href=href,
commit=commit)
except pysvn.ClientError:
pass
def is_blob(self, name):
dirent = self._repo._impl.ls(
self._repo.local_url + self.path()+name,
revision=self._commit.revision)
if len(dirent) != 1: return False
dirent = dirent[0]
if dirent.kind == pysvn.node_kind.file:
return True
return False
class SVNBlob(M.Blob):
def __iter__(self):
fp = StringIO(self.text)
return iter(fp)
@LazyProperty
def text(self):
return self._repo._impl.cat(
self._repo.local_url + self.path(),
revision=self._commit.revision)
def context(self):
entries = self._repo._log(self._repo.local_url + self.path())
result = dict(prev=None, next=None)
path = self._tree.path().split('/')[1:-1]
prev=next=None
for ent in entries:
if ent.revision.number < self._commit.revision.number:
prev=ent
break
if ent.revision.number > self._commit.revision.number:
next=ent
if prev:
ci = SVNCommit.from_repo_object(prev, self._repo)
result['prev'] = ci.tree().get_blob(self.filename, path)
if next:
ci = SVNCommit.from_repo_object(next, self._repo)
result['next'] = ci.tree().get_blob(self.filename, path)
return result
on_import()
MappedClass.compile_all()