| import sys |
| import re |
| import os |
| import shutil |
| import string |
| import logging |
| import subprocess |
| from subprocess import Popen, PIPE |
| from hashlib import sha1 |
| from cStringIO import StringIO |
| from datetime import datetime |
| from glob import glob |
| |
| import tg |
| import pysvn |
| from pymongo.errors import DuplicateKeyError |
| from pylons import tmpl_context as c, app_globals as g |
| |
| from ming.base import Object |
| from ming.orm import Mapper, FieldProperty, session |
| from ming.utils import LazyProperty |
| |
| from allura import model as M |
| from allura.lib import helpers as h |
| from allura.model.repository import GitLikeTree |
| from allura.model.auth import User |
| from allura.lib.utils import svn_path_exists |
| |
| log = logging.getLogger(__name__) |
| |
| class Repository(M.Repository): |
| tool_name='SVN' |
| repo_id='svn' |
| type_s='SVN Repository' |
| class __mongometa__: |
| name='svn-repository' |
| branches = FieldProperty([dict(name=str,object_id=str)]) |
| _refresh_precompute = False |
| |
| @LazyProperty |
| def _impl(self): |
| return SVNImplementation(self) |
| |
| def clone_command(self, category, username=''): |
| '''Return a string suitable for copy/paste that would clone this repo locally |
| category is one of 'ro' (read-only), 'rw' (read/write), or 'https' (read/write via https) |
| ''' |
| if not username and c.user not in (None, User.anonymous()): |
| username = c.user.username |
| tpl = string.Template(tg.config.get('scm.clone.%s.%s' % (category, self.tool)) or |
| tg.config.get('scm.clone.%s' % self.tool)) |
| return tpl.substitute(dict(username=username, |
| source_url=self.clone_url(category, username)+c.app.config.options.get('checkout_url'), |
| dest_path=self.suggested_clone_dest_path())) |
| |
| def compute_diffs(self): return |
| |
| def count(self, *args, **kwargs): |
| return super(Repository, self).count(None) |
| |
| def count_revisions(self, ci): |
| # since SVN histories are inherently linear and the commit _id |
| # contains the revision, just parse it out from there |
| return int(self._impl._revno(ci._id)) |
| |
| def log(self, branch='HEAD', offset=0, limit=10): |
| return list(self._log(branch, offset, limit)) |
| |
| def commitlog(self, commit_ids, skip=0, limit=sys.maxint): |
| ci_id = commit_ids[0] |
| if skip > 0: |
| rid, rev = ci_id.split(':') |
| rev = int(rev) - skip |
| ci_id = '%s:%s' % (rid, rev) |
| ci = self._impl.commit(ci_id) |
| while ci is not None and limit > 0: |
| yield ci._id |
| limit -= 1 |
| ci = ci.parent() |
| |
| def latest(self, branch=None): |
| if self._impl is None: return None |
| if not self.heads: return None |
| return self._impl.commit(self.heads[0].object_id) |
| |
| |
| class SVNCalledProcessError(Exception): |
| def __init__(self, cmd, returncode, stdout, stderr): |
| self.cmd = cmd |
| self.returncode = returncode |
| self.stdout = stdout |
| self.stderr = stderr |
| |
| def __str__(self): |
| return "Command: '%s' returned non-zero exit status %s\nSTDOUT: %s\nSTDERR: %s" % \ |
| (self.cmd, self.returncode, self.stdout, self.stderr) |
| |
| |
| class SVNImplementation(M.RepositoryImplementation): |
| post_receive_template = string.Template( |
| '#!/bin/bash\n' |
| '# The following is required for site integration, do not remove/modify.\n' |
| '# Place user hook code in post-commit-user and it will be called from here.\n' |
| 'curl -s $url\n' |
| '\n' |
| 'DIR="$$(dirname "$${BASH_SOURCE[0]}")"\n' |
| 'if [ -x $$DIR/post-commit-user ]; then' |
| ' exec $$DIR/post-commit-user "$$@"\n' |
| 'fi') |
| |
| def __init__(self, repo): |
| self._repo = repo |
| |
| @LazyProperty |
| def _svn(self): |
| return pysvn.Client() |
| |
| @LazyProperty |
| def _url(self): |
| return 'file://%s%s' % (self._repo.fs_path, self._repo.name) |
| |
| def shorthand_for_commit(self, oid): |
| return '[r%d]' % self._revno(oid) |
| |
| def url_for_commit(self, commit): |
| if isinstance(commit, basestring): |
| object_id = commit |
| else: |
| object_id = commit._id |
| return '%s%d/' % ( |
| self._repo.url(), self._revno(object_id)) |
| |
| def init(self, default_dirs=True, skip_special_files=False): |
| fullname = self._setup_paths() |
| log.info('svn init %s', fullname) |
| if os.path.exists(fullname): |
| shutil.rmtree(fullname) |
| subprocess.call(['svnadmin', 'create', self._repo.name], |
| stdin=subprocess.PIPE, |
| stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE, |
| cwd=self._repo.fs_path) |
| if not skip_special_files: |
| self._setup_special_files() |
| self._repo.status = 'ready' |
| # make first commit with dir structure |
| if default_dirs: |
| self._repo._impl._svn.checkout('file://'+fullname, fullname+'/tmp') |
| os.mkdir(fullname+'/tmp/trunk') |
| os.mkdir(fullname+'/tmp/tags') |
| os.mkdir(fullname+'/tmp/branches') |
| self._repo._impl._svn.add(fullname+'/tmp/trunk') |
| self._repo._impl._svn.add(fullname+'/tmp/tags') |
| self._repo._impl._svn.add(fullname+'/tmp/branches') |
| self._repo._impl._svn.checkin([fullname+'/tmp/trunk',fullname+'/tmp/tags',fullname+'/tmp/branches'],'Initial commit') |
| shutil.rmtree(fullname+'/tmp') |
| |
| def clone_from(self, source_url): |
| '''Initialize a repo as a clone of another using svnsync''' |
| self.init(default_dirs=False, skip_special_files=True) |
| # Need a pre-revprop-change hook for cloning |
| fn = os.path.join(self._repo.fs_path, self._repo.name, |
| 'hooks', 'pre-revprop-change') |
| with open(fn, 'wb') as fp: |
| fp.write('#!/bin/sh\n') |
| os.chmod(fn, 0755) |
| |
| def check_call(cmd): |
| p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE) |
| stdout, stderr = p.communicate(input='p\n') |
| if p.returncode != 0: |
| self._repo.status = 'ready' |
| session(self._repo).flush(self._repo) |
| raise SVNCalledProcessError(cmd, p.returncode, stdout, stderr) |
| |
| self._repo.status = 'importing' |
| session(self._repo).flush(self._repo) |
| log.info('Initialize %r as a clone of %s', |
| self._repo, source_url) |
| check_call(['svnsync', 'init', self._url, source_url]) |
| check_call(['svnsync', '--non-interactive', 'sync', self._url]) |
| log.info('... %r cloned', self._repo) |
| if not svn_path_exists("file://%s%s/%s" % |
| (self._repo.fs_path, |
| self._repo.name, |
| c.app.config.options['checkout_url'])): |
| c.app.config.options['checkout_url'] = "" |
| self._setup_special_files(source_url) |
| g.post_event('repo_cloned', source_url) |
| self._repo.refresh(notify=False) |
| |
| def refresh_heads(self): |
| info = self._svn.info2( |
| self._url, |
| revision=pysvn.Revision(pysvn.opt_revision_kind.head), |
| recurse=False)[0][1] |
| oid = self._oid(info.rev.number) |
| self._repo.heads = [ Object(name=None, object_id=oid) ] |
| # Branches and tags aren't really supported in subversion |
| self._repo.branches = [] |
| self._repo.repo_tags = [] |
| session(self._repo).flush(self._repo) |
| |
| def commit(self, rev): |
| if rev in ('HEAD', None): |
| if not self._repo.heads: return None |
| oid = self._repo.heads[0].object_id |
| elif isinstance(rev, int) or rev.isdigit(): |
| oid = self._oid(rev) |
| else: |
| oid = rev |
| result = M.repo.Commit.query.get(_id=oid) |
| if result is None: return None |
| result.set_context(self._repo) |
| return result |
| |
| def all_commit_ids(self): |
| """Return a list of commit ids, starting with the head (most recent |
| commit) and ending with the root (first commit). |
| """ |
| if not self._repo.heads: |
| return [] |
| head_revno = self._revno(self._repo.heads[0].object_id) |
| return map(self._oid, range(head_revno, 0, -1)) |
| |
| def new_commits(self, all_commits=False): |
| head_revno = self._revno(self._repo.heads[0].object_id) |
| oids = [ self._oid(revno) for revno in range(1, head_revno+1) ] |
| if all_commits: |
| return oids |
| # Find max commit id -- everything greater than that will be "unknown" |
| prefix = self._oid('') |
| q = M.repo.Commit.query.find( |
| dict( |
| type='commit', |
| _id={'$gt':prefix}, |
| ), |
| dict(_id=True) |
| ) |
| seen_oids = set() |
| for d in q.ming_cursor.cursor: |
| oid = d['_id'] |
| if not oid.startswith(prefix): break |
| seen_oids.add(oid) |
| return [ |
| oid for oid in oids if oid not in seen_oids ] |
| |
| def refresh_commit_info(self, oid, seen_object_ids, lazy=True): |
| from allura.model.repo import CommitDoc, DiffInfoDoc |
| ci_doc = CommitDoc.m.get(_id=oid) |
| if ci_doc and lazy: return False |
| revno = self._revno(oid) |
| rev = self._revision(oid) |
| try: |
| log_entry = self._svn.log( |
| self._url, |
| revision_start=rev, |
| limit=1, |
| discover_changed_paths=True)[0] |
| except pysvn.ClientError: |
| log.info('ClientError processing %r %r, treating as empty', oid, self._repo, exc_info=True) |
| log_entry = Object(date='', message='', changed_paths=[]) |
| log_date = None |
| if hasattr(log_entry, 'date'): |
| log_date = datetime.utcfromtimestamp(log_entry.date) |
| user = Object( |
| name=log_entry.get('author', '--none--'), |
| email='', |
| date=log_date) |
| args = dict( |
| tree_id=None, |
| committed=user, |
| authored=user, |
| message=log_entry.get("message", "--none--"), |
| parent_ids=[], |
| child_ids=[]) |
| if revno > 1: |
| args['parent_ids'] = [ self._oid(revno-1) ] |
| if ci_doc: |
| ci_doc.update(**args) |
| ci_doc.m.save() |
| else: |
| ci_doc = CommitDoc(dict(args, _id=oid)) |
| try: |
| ci_doc.m.insert(safe=True) |
| except DuplicateKeyError: |
| if lazy: return False |
| # Save diff info |
| di = DiffInfoDoc.make(dict(_id=ci_doc._id, differences=[])) |
| for path in log_entry.changed_paths: |
| if path.action in ('A', 'M', 'R'): |
| try: |
| rhs_info = self._svn.info2( |
| self._url + h.really_unicode(path.path), |
| revision=self._revision(ci_doc._id), |
| recurse=False)[0][1] |
| rhs_id = self._obj_oid(ci_doc._id, rhs_info) |
| except pysvn.ClientError, e: |
| # pysvn will sometimes misreport deleted files (D) as |
| # something else (like A), causing info2() to raise a |
| # ClientError since the file doesn't exist in this |
| # revision. Set lrhs_id = None to treat like a deleted file |
| log.info('This error was handled gracefully and logged ' |
| 'for informational purposes only:\n' + str(e)) |
| rhs_id = None |
| else: |
| rhs_id = None |
| if ci_doc.parent_ids and path.action in ('D', 'M', 'R'): |
| try: |
| lhs_info = self._svn.info2( |
| self._url + h.really_unicode(path.path), |
| revision=self._revision(ci_doc.parent_ids[0]), |
| recurse=False)[0][1] |
| lhs_id = self._obj_oid(ci_doc._id, lhs_info) |
| except pysvn.ClientError, e: |
| # pysvn will sometimes report new files as 'M'odified, |
| # causing info2() to raise ClientError since the file |
| # doesn't exist in the parent revision. Set lhs_id = None |
| # to treat like a newly added file. |
| log.info('This error was handled gracefully and logged ' |
| 'for informational purposes only:\n' + str(e)) |
| lhs_id = None |
| else: |
| lhs_id = None |
| di.differences.append(dict( |
| name=h.really_unicode(path.path), |
| lhs_id=lhs_id, |
| rhs_id=rhs_id)) |
| di.m.save() |
| return True |
| |
| def compute_tree_new(self, commit, tree_path='/'): |
| from allura.model import repo as RM |
| tree_path = tree_path[:-1] |
| tree_id = self._tree_oid(commit._id, tree_path) |
| tree = RM.Tree.query.get(_id=tree_id) |
| if tree: |
| return tree_id |
| log.debug('Computing tree for %s: %s', |
| self._revno(commit._id), tree_path) |
| rev = self._revision(commit._id) |
| try: |
| infos = self._svn.info2( |
| self._url + tree_path, |
| revision=rev, |
| depth=pysvn.depth.immediates) |
| except pysvn.ClientError: |
| log.exception('Error computing tree for %s: %s(%s)', |
| self._repo, commit, tree_path) |
| return None |
| log.debug('Compute tree for %d paths', len(infos)) |
| tree_ids = [] |
| blob_ids = [] |
| for path, info in infos[1:]: |
| last_commit_id = self._oid(info['last_changed_rev'].number) |
| last_commit = M.repo.Commit.query.get(_id=last_commit_id) |
| M.repo_refresh.set_last_commit( |
| self._repo._id, |
| re.sub(r'/?$', '/', tree_path), # force it to end with / |
| path, |
| self._tree_oid(commit._id, path), |
| M.repo_refresh.get_commit_info(last_commit)) |
| if info.kind == pysvn.node_kind.dir: |
| tree_ids.append(Object( |
| id=self._tree_oid(commit._id, path), |
| name=path)) |
| elif info.kind == pysvn.node_kind.file: |
| blob_ids.append(Object( |
| id=self._tree_oid(commit._id, path), |
| name=path)) |
| else: |
| assert False |
| tree, is_new = RM.Tree.upsert(tree_id, |
| tree_ids=tree_ids, |
| blob_ids=blob_ids, |
| other_ids=[], |
| ) |
| if is_new: |
| trees_doc = RM.TreesDoc.m.get(_id=commit._id) |
| if not trees_doc: |
| trees_doc = RM.TreesDoc(dict( |
| _id=commit._id, |
| tree_ids=[])) |
| trees_doc.tree_ids.append(tree_id) |
| trees_doc.m.save(safe=False) |
| return tree_id |
| |
| def _tree_oid(self, commit_id, path): |
| data = 'tree\n%s\n%s' % (commit_id, h.really_unicode(path)) |
| return sha1(data.encode('utf-8')).hexdigest() |
| |
| def _blob_oid(self, commit_id, path): |
| data = 'blob\n%s\n%s' % (commit_id, h.really_unicode(path)) |
| return sha1(data.encode('utf-8')).hexdigest() |
| |
| def _obj_oid(self, commit_id, info): |
| path = info.URL[len(info.repos_root_URL):] |
| if info.kind == pysvn.node_kind.dir: |
| return self._tree_oid(commit_id, path) |
| else: |
| return self._blob_oid(commit_id, path) |
| |
| def log(self, object_id, skip, count): |
| revno = self._revno(object_id) |
| result = [] |
| while count and revno: |
| if skip == 0: |
| result.append(self._oid(revno)) |
| count -= 1 |
| else: |
| skip -= 1 |
| revno -= 1 |
| if revno: |
| return result, [ self._oid(revno) ] |
| else: |
| return result, [] |
| |
| def open_blob(self, blob): |
| data = self._svn.cat( |
| self._url + blob.path(), |
| revision=self._revision(blob.commit._id)) |
| return StringIO(data) |
| |
| def blob_size(self, blob): |
| try: |
| data = self._svn.list( |
| self._url + blob.path(), |
| revision=self._revision(blob.commit._id), |
| dirent_fields=pysvn.SVN_DIRENT_SIZE) |
| except pysvn.ClientError: |
| log.info('ClientError getting filesize %r %r, returning 0', blob.path(), self._repo, exc_info=True) |
| return 0 |
| |
| try: |
| size = data[0][0]['size'] |
| except (IndexError, KeyError): |
| log.info('Error getting filesize: bad data from svn client %r %r, returning 0', blob.path(), self._repo, exc_info=True) |
| size = 0 |
| |
| return size |
| |
| def _setup_hooks(self, source_path=None): |
| 'Set up the post-commit and pre-revprop-change hooks' |
| # setup a post-commit hook to notify Allura of changes to the repo |
| # the hook should also call the user-defined post-commit-user hook |
| text = self.post_receive_template.substitute( |
| url=tg.config.get('base_url', 'http://localhost:8080') |
| + '/auth/refresh_repo' + self._repo.url()) |
| fn = os.path.join(self._repo.fs_path, self._repo.name, 'hooks', 'post-commit') |
| with open(fn, 'wb') as fp: |
| fp.write(text) |
| os.chmod(fn, 0755) |
| # create a blank pre-revprop-change file if one doesn't |
| # already exist to allow remote modification of revision |
| # properties (see http://svnbook.red-bean.com/en/1.1/ch05s02.html) |
| fn = os.path.join(self._repo.fs_path, self._repo.name, 'hooks', 'pre-revprop-change') |
| if not os.path.exists(fn): |
| with open(fn, 'wb') as fp: |
| fp.write('#!/bin/sh\n') |
| os.chmod(fn, 0755) |
| |
| def _revno(self, oid): |
| return int(oid.split(':')[1]) |
| |
| def _revision(self, oid): |
| return pysvn.Revision( |
| pysvn.opt_revision_kind.number, |
| self._revno(oid)) |
| |
| def _oid(self, revno): |
| return '%s:%s' % (self._repo._id, revno) |
| |
| Mapper.compile_all() |
