# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+"""Cache of the Subversion history log."""
-from bzrlib.errors import NoSuchRevision, BzrError, NotBranchError
-from bzrlib.progress import DummyProgress
-from bzrlib.trace import mutter
-from bzrlib.ui import ui_factory
-
-import os
+from bzrlib import urlutils
+from bzrlib.errors import NoSuchRevision
+import bzrlib.ui as ui
+from copy import copy
from svn.core import SubversionException, Pool
from transport import SvnRaTransport
import base64
-try:
- import sqlite3
-except ImportError:
- from pysqlite2 import dbapi2 as sqlite3
+from cache import sqlite3
-shelves = {}
+LOG_CHUNK_LIMIT = 1000
def _escape_commit_message(message):
"""Replace xml-incompatible control characters."""
class LogWalker(object):
"""Easy way to access the history of a Subversion repository."""
- def __init__(self, transport=None, cache_db=None, last_revnum=None):
+ def __init__(self, transport, cache_db=None, limit=None):
"""Create a new instance.
:param transport: SvnRaTransport to use to access the repository.
:param cache_db: Optional sql database connection to use. Doesn't
cache if not set.
- :param last_revnum: Last known revnum in the repository. Will be
- determined if not specified.
"""
assert isinstance(transport, SvnRaTransport)
- if last_revnum is None:
- last_revnum = transport.get_latest_revnum()
-
- self.last_revnum = last_revnum
+ self.url = transport.base
+ self._transport = None
- self.transport = SvnRaTransport(transport.base)
+ if limit is not None:
+ self._limit = limit
+ else:
+ self._limit = LOG_CHUNK_LIMIT
if cache_db is None:
self.db = sqlite3.connect(":memory:")
create unique index if not exists revision_revno on revision (revno);
create table if not exists changed_path(rev integer, action text, path text, copyfrom_path text, copyfrom_rev integer);
create index if not exists path_rev on changed_path(rev);
- create index if not exists path_rev_path on changed_path(rev, path);
+ create unique index if not exists path_rev_path on changed_path(rev, path);
+ create unique index if not exists path_rev_path_action on changed_path(rev, path, action);
""")
self.db.commit()
self.saved_revnum = self.db.execute("SELECT MAX(revno) FROM revision").fetchone()[0]
if self.saved_revnum is None:
self.saved_revnum = 0
- def fetch_revisions(self, to_revnum):
+ def _get_transport(self):
+ if self._transport is not None:
+ return self._transport
+ self._transport = SvnRaTransport(self.url)
+ return self._transport
+
+ def fetch_revisions(self, to_revnum=None):
"""Fetch information about all revisions in the remote repository
until to_revnum.
:param to_revnum: End of range to fetch information for
"""
- to_revnum = max(self.last_revnum, to_revnum)
+ to_revnum = max(self._get_transport().get_latest_revnum(), to_revnum)
- pb = ui_factory.nested_progress_bar()
+ pb = ui.ui_factory.nested_progress_bar()
def rcvr(orig_paths, rev, author, date, message, pool):
pb.update('fetching svn revision info', rev, to_revnum)
- paths = {}
if orig_paths is None:
orig_paths = {}
for p in orig_paths:
copyfrom_path = orig_paths[p].copyfrom_path
- if copyfrom_path:
+ if copyfrom_path is not None:
copyfrom_path = copyfrom_path.strip("/")
self.db.execute(
- "insert into changed_path (rev, path, action, copyfrom_path, copyfrom_rev) values (?, ?, ?, ?, ?)",
+ "replace into changed_path (rev, path, action, copyfrom_path, copyfrom_rev) values (?, ?, ?, ?, ?)",
(rev, p.strip("/"), orig_paths[p].action, copyfrom_path, orig_paths[p].copyfrom_rev))
if message is not None:
if self.saved_revnum % 1000 == 0:
self.db.commit()
- pool = Pool()
try:
try:
- self.transport.get_log("/", self.saved_revnum, to_revnum,
- 0, True, True, rcvr, pool)
+ while self.saved_revnum < to_revnum:
+ pool = Pool()
+ self._get_transport().get_log("/", self.saved_revnum,
+ to_revnum, self._limit, True,
+ True, rcvr, pool)
+ pool.destroy()
finally:
pb.finished()
except SubversionException, (_, num):
revision="Revision number %d" % to_revnum)
raise
self.db.commit()
- pool.destroy()
def follow_path(self, path, revnum):
"""Return iterator over all the revisions between revnum and
if revnum == 0 and path == "":
return
+ recurse = (path != "")
+
path = path.strip("/")
- while revnum > 0:
- revpaths = self.get_revision_paths(revnum, path)
+ while revnum >= 0:
+ assert revnum > 0 or path == ""
+ revpaths = self.get_revision_paths(revnum, path, recurse=recurse)
if revpaths != {}:
- yield (path, revpaths, revnum)
+ yield (path, copy(revpaths), revnum)
+
+ if path == "":
+ revnum -= 1
+ continue
if revpaths.has_key(path):
if revpaths[path][1] is None:
# somewhere else
revnum = revpaths[path][2]
path = revpaths[path][1]
+ assert path == "" or revnum > 0
continue
- revnum-=1
-
- def get_revision_paths(self, revnum, path=None):
+ revnum -= 1
+ for p in sorted(revpaths.keys()):
+ if path.startswith(p+"/") and revpaths[p][0] in ('A', 'R'):
+ assert revpaths[p][1]
+ path = path.replace(p, revpaths[p][1])
+ revnum = revpaths[p][2]
+ break
+
+ def get_revision_paths(self, revnum, path=None, recurse=False):
"""Obtain dictionary with all the changes in a particular revision.
:param revnum: Subversion revision number
:param path: optional path under which to return all entries
+ :param recurse: Report changes to parents as well
:returns: dictionary with paths as keys and
(action, copyfrom_path, copyfrom_rev) as values.
"""
if revnum == 0:
+ assert path is None or path == ""
return {'': ('A', None, -1)}
if revnum > self.saved_revnum:
query = "select path, action, copyfrom_path, copyfrom_rev from changed_path where rev="+str(revnum)
if path is not None and path != "":
- query += " and (path='%s' or path like '%s/%%')" % (path, path)
+ query += " and (path='%s' or path like '%s/%%'" % (path, path)
+ if recurse:
+ query += " or ('%s' LIKE path || '/%%')" % path
+ query += ")"
paths = {}
for p, act, cf, cr in self.db.execute(query):
- paths[p] = (act, cf, cr)
+ paths[p.encode("utf-8")] = (act, cf, cr)
return paths
def get_revision_info(self, revnum):
:param revnum: Revision number.
:returns: Tuple with author, log message and date of the revision.
"""
- assert revnum >= 1
+ assert revnum >= 0
+ if revnum == 0:
+ return (None, None, None)
if revnum > self.saved_revnum:
self.fetch_revisions(revnum)
(author, message, date) = self.db.execute("select author, message, date from revision where revno="+ str(revnum)).fetchone()
- if author is None:
- author = None
- return (author, _escape_commit_message(base64.b64decode(message)), date)
+ if message is not None:
+ message = _escape_commit_message(base64.b64decode(message))
+ return (author, message, date)
- def find_latest_change(self, path, revnum, recurse=False):
+ def find_latest_change(self, path, revnum, include_parents=False,
+ include_children=False):
"""Find latest revision that touched path.
:param path: Path to check for changes
:param revnum: First revision to check
"""
+ assert isinstance(path, basestring)
+ assert isinstance(revnum, int) and revnum >= 0
if revnum > self.saved_revnum:
self.fetch_revisions(revnum)
- if recurse:
- extra = " or path like '%s/%%'" % path.strip("/")
- else:
- extra = ""
+ extra = ""
+ if include_children:
+ extra += " or path like '%s/%%'" % path.strip("/")
+ if include_parents:
+ extra += " or ('%s' like (path || '/%%') and (action = 'R' or action = 'A'))" % path.strip("/")
query = "select rev from changed_path where (path='%s'%s) and rev <= %d order by rev desc limit 1" % (path.strip("/"), extra, revnum)
row = self.db.execute(query).fetchone()
if row is None and path == "":
return 0
- assert row is not None, "no latest change for %r:%d" % (path, revnum)
+ if row is None:
+ return None
return row[0]
def find_children(self, path, revnum):
"""Find all children of path in revnum."""
- # TODO: Find children by walking history, or use
- # cache?
+ path = path.strip("/")
+ transport = self._get_transport()
+ ft = transport.check_path(path, revnum)
+ if ft == svn.core.svn_node_file:
+ return []
+ assert ft == svn.core.svn_node_dir
- try:
- (dirents, _, _) = self.transport.get_dir(
- path.lstrip("/").encode('utf8'), revnum, kind=True)
- except SubversionException, (_, num):
- if num == svn.core.SVN_ERR_FS_NOT_DIRECTORY:
- return
- raise
+ class TreeLister(svn.delta.Editor):
+ def __init__(self, base):
+ self.files = []
+ self.base = base
+
+ def set_target_revision(self, revnum):
+ """See Editor.set_target_revision()."""
+ pass
+
+ def open_root(self, revnum, baton):
+ """See Editor.open_root()."""
+ return path
+
+ def add_directory(self, path, parent_baton, copyfrom_path, copyfrom_revnum, pool):
+ """See Editor.add_directory()."""
+ self.files.append(urlutils.join(self.base, path))
+ return path
+
+ def change_dir_prop(self, id, name, value, pool):
+ pass
+
+ def change_file_prop(self, id, name, value, pool):
+ pass
+
+ def add_file(self, path, parent_id, copyfrom_path, copyfrom_revnum, baton):
+ self.files.append(urlutils.join(self.base, path))
+ return path
- for p in dirents:
- yield os.path.join(path, p)
- # This needs to be != svn.core.svn_node_file because
- # some ra backends seem to return negative values for .kind.
- # however, dirents[p].node seems to contain semi-random
- # values.
- for c in self.find_children(os.path.join(path, p), revnum):
- yield c
+ def close_dir(self, id):
+ pass
+
+ def close_file(self, path, checksum):
+ pass
+
+ def close_edit(self):
+ pass
+
+ def abort_edit(self):
+ pass
+
+ def apply_textdelta(self, file_id, base_checksum):
+ pass
+ pool = Pool()
+ editor = TreeLister(path)
+ edit, baton = svn.delta.make_editor(editor, pool)
+ old_base = transport.base
+ try:
+ root_repos = transport.get_repos_root()
+ transport.reparent(urlutils.join(root_repos, path))
+ reporter = transport.do_update(revnum, True, edit, baton, pool)
+ reporter.set_path("", revnum, True, None, pool)
+ reporter.finish_report(pool)
+ finally:
+ transport.reparent(old_base)
+ return editor.files
def get_previous(self, path, revnum):
"""Return path,revnum pair specified pair was derived from.
git.samba.org / jelmer / subvertpy.git / blobdiff