1196
by Martin Pool
- [WIP] retrieve historical texts from weaves |
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#! /usr/bin/python
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# Copyright (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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# XXX: Some consideration of the problems that might occur if there are
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# files whose id differs only in case. That should probably be forbidden.
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1471
by Robert Collins
Bugfix to previous url escaping patch - include weave stores |
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import errno |
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import os |
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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from cStringIO import StringIO |
1471
by Robert Collins
Bugfix to previous url escaping patch - include weave stores |
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import urllib |
1223
by Martin Pool
- store inventories in weave |
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from bzrlib.weavefile import read_weave, write_weave_v5 |
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from bzrlib.weave import Weave |
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1430
by Robert Collins
touchup the prefixed-store patch |
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from bzrlib.store import TransportStore, hash_prefix |
1223
by Martin Pool
- store inventories in weave |
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from bzrlib.atomicfile import AtomicFile |
1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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from bzrlib.errors import NoSuchFile, FileExists |
1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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from bzrlib.trace import mutter |
1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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1430
by Robert Collins
touchup the prefixed-store patch |
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class WeaveStore(TransportStore): |
1352
by Martin Pool
- store control weaves in .bzr/, not mixed in with file weaves |
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"""Collection of several weave files in a directory.
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This has some shortcuts for reading and writing them.
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"""
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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FILE_SUFFIX = '.weave' |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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def __init__(self, transport, prefixed=False, precious=False): |
1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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self._transport = transport |
1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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self._prefixed = prefixed |
1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self._precious = precious |
1196
by Martin Pool
- [WIP] retrieve historical texts from weaves |
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|
1223
by Martin Pool
- store inventories in weave |
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def filename(self, file_id): |
1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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"""Return the path relative to the transport root."""
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1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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if self._prefixed: |
1471
by Robert Collins
Bugfix to previous url escaping patch - include weave stores |
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return hash_prefix(file_id) + urllib.quote(file_id) + WeaveStore.FILE_SUFFIX |
1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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else: |
1471
by Robert Collins
Bugfix to previous url escaping patch - include weave stores |
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return urllib.quote(file_id) + WeaveStore.FILE_SUFFIX |
1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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def __iter__(self): |
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l = len(WeaveStore.FILE_SUFFIX) |
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1479
by Robert Collins
More quoting at the transport layer bugfixes. |
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for relpath in self._iter_files_recursive(): |
1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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if relpath.endswith(WeaveStore.FILE_SUFFIX): |
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yield os.path.basename(relpath[:-l]) |
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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1442.1.45
by Robert Collins
replace __contains__ calls in stores with has_id |
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def has_id(self, fileid): |
1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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return self._transport.has(self.filename(fileid)) |
1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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def _get(self, file_id): |
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return self._transport.get(self.filename(file_id)) |
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def _put(self, file_id, f): |
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1429
by Robert Collins
merge in niemeyers prefixed-store patch |
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if self._prefixed: |
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try: |
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self._transport.mkdir(hash_prefix(file_id)) |
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except FileExists: |
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pass
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1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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return self._transport.put(self.filename(file_id), f) |
1223
by Martin Pool
- store inventories in weave |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def get_weave(self, file_id, transaction): |
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weave = transaction.map.find_weave(file_id) |
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if weave: |
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mutter("cache hit in %s for %s", self, file_id) |
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return weave |
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1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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w = read_weave(self._get(file_id)) |
1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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transaction.map.add_weave(file_id, w) |
1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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transaction.register_clean(w, precious=self._precious) |
1363
by Martin Pool
- add quick-and-dirty cache for weaves to speed check command |
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return w |
1262
by Martin Pool
- fetch should also copy ancestry records |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def get_lines(self, file_id, rev_id, transaction): |
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by Martin Pool
- fetch should also copy ancestry records |
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"""Return text from a particular version of a weave.
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Returned as a list of lines."""
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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w = self.get_weave(file_id, transaction) |
1262
by Martin Pool
- fetch should also copy ancestry records |
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return w.get(w.lookup(rev_id)) |
1196
by Martin Pool
- [WIP] retrieve historical texts from weaves |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def get_weave_or_empty(self, file_id, transaction): |
1224
by Martin Pool
- new method WeaveStore.get_weave_or_empty |
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"""Return a weave, or an empty one if it doesn't exist."""
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try: |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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return self.get_weave(file_id, transaction) |
1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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except NoSuchFile: |
1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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weave = Weave(weave_name=file_id) |
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transaction.map.add_weave(file_id, weave) |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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transaction.register_clean(weave, precious=self._precious) |
1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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return weave |
1224
by Martin Pool
- new method WeaveStore.get_weave_or_empty |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def put_weave(self, file_id, weave, transaction): |
1223
by Martin Pool
- store inventories in weave |
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"""Write back a modified weave"""
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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transaction.register_dirty(weave) |
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# TODO FOR WRITE TRANSACTIONS: this should be done in a callback
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# from the transaction, when it decides to save.
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1393.2.2
by John Arbash Meinel
Updated stores to use Transport |
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sio = StringIO() |
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write_weave_v5(weave, sio) |
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sio.seek(0) |
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self._put(file_id, sio) |
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1223
by Martin Pool
- store inventories in weave |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def add_text(self, file_id, rev_id, new_lines, parents, transaction): |
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w = self.get_weave_or_empty(file_id, transaction) |
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1223
by Martin Pool
- store inventories in weave |
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parent_idxs = map(w.lookup, parents) |
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w.add(rev_id, parent_idxs, new_lines) |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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self.put_weave(file_id, w, transaction) |
1223
by Martin Pool
- store inventories in weave |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def add_identical_text(self, file_id, old_rev_id, new_rev_id, parents, |
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transaction): |
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w = self.get_weave_or_empty(file_id, transaction) |
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1092.2.22
by Robert Collins
text_version and name_version unification looking reasonable |
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parent_idxs = map(w.lookup, parents) |
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w.add_identical(old_rev_id, new_rev_id, parent_idxs) |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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self.put_weave(file_id, w, transaction) |
1223
by Martin Pool
- store inventories in weave |
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1393.1.19
by Martin Pool
- add WeaveStore.__iter__, __contains__ and copy_multi() |
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def copy_multi(self, from_store, file_ids): |
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assert isinstance(from_store, WeaveStore) |
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for f in file_ids: |
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mutter("copy weave {%s} into %s", f, self) |
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self._put(f, from_store._get(f)) |