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- Committer: Martin Pool
- Date: 2005-06-27 01:26:11 UTC
- Revision ID: mbp@sourcefrog.net-20050627012611-4effb7007553fde1
- tweak rsync upload script
- files added:
- bzrlib/statcache.py
- plugins/changeset
- files removed:
- HACKING
- bzrlib/util
- bzrlib/util/effbot
- bzrlib/util/effbot/org
- contrib/emacs
- tools
- files renamed:
- bzrlib/util/elementtree/ => elementtree/
- bzrlib/plugins/ => plugins/
- bzrlib/util/urlgrabber/ => urlgrabber/
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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import bzrlib
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
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splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
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import bzrlib.errors
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from bzrlib.textui import show_status
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from bzrlib.revision import Revision
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from bzrlib.xml import unpack_xml
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from bzrlib.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_file, sha_string, file_kind, local_time_offset, appendpath
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from store import ImmutableStore
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from revision import Revision
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from errors import BzrError
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from textui import show_status
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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# TODO: Some operations like log might retrieve the same revisions
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# repeatedly to calculate deltas. We could perhaps have a weakref
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# cache in memory to make this faster.
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# TODO: please move the revision-string syntax stuff out of the branch
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# object; it's clutter
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def find_branch(f, **args):
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if f and (f.startswith('http://') or f.startswith('https://')):
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return Branch(f, **args)
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53
47
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def find_cached_branch(f, cache_root, **args):
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from remotebranch import RemoteBranch
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br = find_branch(f, **args)
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def cacheify(br, store_name):
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from meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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os.mkdir(cache_path)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
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if isinstance(br, RemoteBranch):
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cacheify(br, 'inventory_store')
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cacheify(br, 'text_store')
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cacheify(br, 'revision_store')
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return br
69
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def _relpath(base, path):
72
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"""Return path relative to base, or raise exception.
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It is not necessary that f exists.
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106
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Basically we keep looking up until we find the control directory or
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run into the root. If there isn't one, raises NotBranchError.
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"""
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run into the root."""
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if f == None:
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f = os.getcwd()
111
88
elif hasattr(os.path, 'realpath'):
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head, tail = os.path.split(f)
125
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if head == f:
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# reached the root, whatever that may be
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raise bzrlib.errors.NotBranchError('%r is not in a branch' % orig_f)
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raise BzrError('%r is not in a branch' % orig_f)
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f = head
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# XXX: move into bzrlib.errors; subclass BzrError
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133
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class DivergedBranches(Exception):
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def __init__(self, branch1, branch2):
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self.branch1 = branch1
137
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Exception.__init__(self, "These branches have diverged.")
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139
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class NoSuchRevision(BzrError):
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def __init__(self, branch, revision):
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self.branch = branch
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self.revision = revision
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msg = "Branch %s has no revision %d" % (branch, revision)
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BzrError.__init__(self, msg)
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######################################################################
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# branch objects
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_lock_count = None
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_lock = None
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# Map some sort of prefix into a namespace
165
# stuff like "revno:10", "revid:", etc.
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# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def __init__(self, base, init=False, find_root=True):
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"""Create new branch object at a particular location.
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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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"""
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from bzrlib.store import ImmutableStore
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if init:
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self.base = os.path.realpath(base)
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self._make_control()
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, basestring):
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if isinstance(file_or_path, types.StringTypes):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
321
'branch-lock',
322
'pending-merges'):
294
'branch-lock'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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# if we want per-tree root ids then this is the place to set
327
# them; they're not needed for now and so ommitted for
328
# simplicity.
329
pack_xml(Inventory(), self.controlfile('inventory','w'))
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Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def get_root_id(self):
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"""Return the id of this branches root"""
352
inv = self.read_working_inventory()
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return inv.root.file_id
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def set_root_id(self, file_id):
356
inv = self.read_working_inventory()
357
orig_root_id = inv.root.file_id
358
del inv._byid[inv.root.file_id]
359
inv.root.file_id = file_id
360
inv._byid[inv.root.file_id] = inv.root
361
for fid in inv:
362
entry = inv[fid]
363
if entry.parent_id in (None, orig_root_id):
364
entry.parent_id = inv.root.file_id
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self._write_inventory(inv)
366
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def read_working_inventory(self):
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"""Read the working inventory."""
369
from bzrlib.inventory import Inventory
370
from bzrlib.xml import unpack_xml
371
from time import time
372
before = time()
322
before = time.time()
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# ElementTree does its own conversion from UTF-8, so open in
324
# binary.
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self.lock_read()
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try:
375
# ElementTree does its own conversion from UTF-8, so open in
376
# binary.
377
inv = unpack_xml(Inventory,
378
self.controlfile('inventory', 'rb'))
327
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
380
% (len(inv), time() - before))
329
% (len(inv), time.time() - before))
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return inv
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finally:
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self.unlock()
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That is to say, the inventory describing changes underway, that
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will be committed to the next revision.
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"""
392
from bzrlib.atomicfile import AtomicFile
393
from bzrlib.xml import pack_xml
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self.lock_write()
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try:
343
from bzrlib.atomicfile import AtomicFile
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f = AtomicFile(self.controlfilename('inventory'), 'wb')
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try:
399
pack_xml(inv, f)
347
inv.write_xml(f)
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f.commit()
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finally:
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f.close()
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"""
439
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# TODO: Re-adding a file that is removed in the working copy
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# should probably put it back with the previous ID.
441
if isinstance(files, basestring):
442
assert(ids is None or isinstance(ids, basestring))
389
if isinstance(files, types.StringTypes):
390
assert(ids is None or isinstance(ids, types.StringTypes))
443
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files = [files]
444
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if ids is not None:
445
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ids = [ids]
494
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# use inventory as it was in that revision
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file_id = tree.inventory.path2id(file)
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if not file_id:
497
raise BzrError("%r is not present in revision %s" % (file, revno))
445
raise BzrError("%r is not present in revision %d" % (file, revno))
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tree.print_file(file_id)
499
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finally:
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self.unlock()
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464
"""
517
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## TODO: Normalize names
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## TODO: Remove nested loops; better scalability
519
if isinstance(files, basestring):
467
if isinstance(files, types.StringTypes):
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files = [files]
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522
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self.lock_write()
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495
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# FIXME: this doesn't need to be a branch method
549
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def set_inventory(self, new_inventory_list):
550
from bzrlib.inventory import Inventory, InventoryEntry
551
inv = Inventory(self.get_root_id())
498
inv = Inventory()
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for path, file_id, parent, kind in new_inventory_list:
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name = os.path.basename(path)
554
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if name == "":
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return self.working_tree().unknowns()
577
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578
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579
def append_revision(self, *revision_ids):
526
def append_revision(self, revision_id):
580
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from bzrlib.atomicfile import AtomicFile
581
528
582
for revision_id in revision_ids:
583
mutter("add {%s} to revision-history" % revision_id)
584
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rev_history = self.revision_history()
586
rev_history.extend(revision_ids)
529
mutter("add {%s} to revision-history" % revision_id)
530
rev_history = self.revision_history() + [revision_id]
587
531
588
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f = AtomicFile(self.controlfilename('revision-history'))
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try:
594
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f.close()
595
539
596
540
597
def get_revision_xml(self, revision_id):
598
"""Return XML file object for revision object."""
599
if not revision_id or not isinstance(revision_id, basestring):
600
raise InvalidRevisionId(revision_id)
601
602
self.lock_read()
603
try:
604
try:
605
return self.revision_store[revision_id]
606
except IndexError:
607
raise bzrlib.errors.NoSuchRevision(self, revision_id)
608
finally:
609
self.unlock()
610
611
612
541
def get_revision(self, revision_id):
613
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"""Return the Revision object for a named revision"""
614
xml_file = self.get_revision_xml(revision_id)
615
616
try:
617
r = unpack_xml(Revision, xml_file)
618
except SyntaxError, e:
619
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
620
[revision_id,
621
str(e)])
622
543
if not revision_id or not isinstance(revision_id, basestring):
544
raise ValueError('invalid revision-id: %r' % revision_id)
545
r = Revision.read_xml(self.revision_store[revision_id])
623
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assert r.revision_id == revision_id
624
547
return r
625
548
626
627
def get_revision_delta(self, revno):
628
"""Return the delta for one revision.
629
630
The delta is relative to its mainline predecessor, or the
631
empty tree for revision 1.
632
"""
633
assert isinstance(revno, int)
634
rh = self.revision_history()
635
if not (1 <= revno <= len(rh)):
636
raise InvalidRevisionNumber(revno)
637
638
# revno is 1-based; list is 0-based
639
640
new_tree = self.revision_tree(rh[revno-1])
641
if revno == 1:
642
old_tree = EmptyTree()
643
else:
644
old_tree = self.revision_tree(rh[revno-2])
645
646
return compare_trees(old_tree, new_tree)
647
648
649
650
549
def get_revision_sha1(self, revision_id):
651
550
"""Hash the stored value of a revision, and return it."""
652
551
# In the future, revision entries will be signed. At that
655
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# the revision, (add signatures/remove signatures) and still
656
555
# have all hash pointers stay consistent.
657
556
# But for now, just hash the contents.
658
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
557
return sha_file(self.revision_store[revision_id])
659
558
660
559
661
560
def get_inventory(self, inventory_id):
664
563
TODO: Perhaps for this and similar methods, take a revision
665
564
parameter which can be either an integer revno or a
666
565
string hash."""
667
from bzrlib.inventory import Inventory
668
from bzrlib.xml import unpack_xml
669
670
return unpack_xml(Inventory, self.get_inventory_xml(inventory_id))
671
672
673
def get_inventory_xml(self, inventory_id):
674
"""Get inventory XML as a file object."""
675
return self.inventory_store[inventory_id]
676
566
i = Inventory.read_xml(self.inventory_store[inventory_id])
567
return i
677
568
678
569
def get_inventory_sha1(self, inventory_id):
679
570
"""Return the sha1 hash of the inventory entry
680
571
"""
681
return sha_file(self.get_inventory_xml(inventory_id))
572
return sha_file(self.inventory_store[inventory_id])
682
573
683
574
684
575
def get_revision_inventory(self, revision_id):
685
576
"""Return inventory of a past revision."""
686
# bzr 0.0.6 imposes the constraint that the inventory_id
687
# must be the same as its revision, so this is trivial.
688
577
if revision_id == None:
689
from bzrlib.inventory import Inventory
690
return Inventory(self.get_root_id())
578
return Inventory()
691
579
else:
692
return self.get_inventory(revision_id)
580
return self.get_inventory(self.get_revision(revision_id).inventory_id)
693
581
694
582
695
583
def revision_history(self):
750
638
return r+1, my_history[r]
751
639
return None, None
752
640
641
def enum_history(self, direction):
642
"""Return (revno, revision_id) for history of branch.
643
644
direction
645
'forward' is from earliest to latest
646
'reverse' is from latest to earliest
647
"""
648
rh = self.revision_history()
649
if direction == 'forward':
650
i = 1
651
for rid in rh:
652
yield i, rid
653
i += 1
654
elif direction == 'reverse':
655
i = len(rh)
656
while i > 0:
657
yield i, rh[i-1]
658
i -= 1
659
else:
660
raise ValueError('invalid history direction', direction)
661
753
662
754
663
def revno(self):
755
664
"""Return current revision number for this branch.
843
752
844
753
pb.update('comparing histories')
845
754
revision_ids = self.missing_revisions(other, stop_revision)
846
847
if hasattr(other.revision_store, "prefetch"):
848
other.revision_store.prefetch(revision_ids)
849
if hasattr(other.inventory_store, "prefetch"):
850
inventory_ids = [other.get_revision(r).inventory_id
851
for r in revision_ids]
852
other.inventory_store.prefetch(inventory_ids)
853
854
755
revisions = []
855
needed_texts = set()
756
needed_texts = sets.Set()
856
757
i = 0
857
758
for rev_id in revision_ids:
858
759
i += 1
887
788
commit(self, *args, **kw)
888
789
889
790
890
def lookup_revision(self, revision):
891
"""Return the revision identifier for a given revision information."""
892
revno, info = self.get_revision_info(revision)
893
return info
894
895
def get_revision_info(self, revision):
896
"""Return (revno, revision id) for revision identifier.
897
898
revision can be an integer, in which case it is assumed to be revno (though
899
this will translate negative values into positive ones)
900
revision can also be a string, in which case it is parsed for something like
901
'date:' or 'revid:' etc.
902
"""
903
if revision is None:
904
return 0, None
905
revno = None
906
try:# Convert to int if possible
907
revision = int(revision)
908
except ValueError:
909
pass
910
revs = self.revision_history()
911
if isinstance(revision, int):
912
if revision == 0:
913
return 0, None
914
# Mabye we should do this first, but we don't need it if revision == 0
915
if revision < 0:
916
revno = len(revs) + revision + 1
917
else:
918
revno = revision
919
elif isinstance(revision, basestring):
920
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
921
if revision.startswith(prefix):
922
revno = func(self, revs, revision)
923
break
924
else:
925
raise BzrError('No namespace registered for string: %r' % revision)
926
927
if revno is None or revno <= 0 or revno > len(revs):
928
raise BzrError("no such revision %s" % revision)
929
return revno, revs[revno-1]
930
931
def _namespace_revno(self, revs, revision):
932
"""Lookup a revision by revision number"""
933
assert revision.startswith('revno:')
934
try:
935
return int(revision[6:])
936
except ValueError:
937
return None
938
REVISION_NAMESPACES['revno:'] = _namespace_revno
939
940
def _namespace_revid(self, revs, revision):
941
assert revision.startswith('revid:')
942
try:
943
return revs.index(revision[6:]) + 1
944
except ValueError:
945
return None
946
REVISION_NAMESPACES['revid:'] = _namespace_revid
947
948
def _namespace_last(self, revs, revision):
949
assert revision.startswith('last:')
950
try:
951
offset = int(revision[5:])
952
except ValueError:
953
return None
954
else:
955
if offset <= 0:
956
raise BzrError('You must supply a positive value for --revision last:XXX')
957
return len(revs) - offset + 1
958
REVISION_NAMESPACES['last:'] = _namespace_last
959
960
def _namespace_tag(self, revs, revision):
961
assert revision.startswith('tag:')
962
raise BzrError('tag: namespace registered, but not implemented.')
963
REVISION_NAMESPACES['tag:'] = _namespace_tag
964
965
def _namespace_date(self, revs, revision):
966
assert revision.startswith('date:')
967
import datetime
968
# Spec for date revisions:
969
# date:value
970
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
971
# it can also start with a '+/-/='. '+' says match the first
972
# entry after the given date. '-' is match the first entry before the date
973
# '=' is match the first entry after, but still on the given date.
974
#
975
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
976
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
977
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
978
# May 13th, 2005 at 0:00
979
#
980
# So the proper way of saying 'give me all entries for today' is:
981
# -r {date:+today}:{date:-tomorrow}
982
# The default is '=' when not supplied
983
val = revision[5:]
984
match_style = '='
985
if val[:1] in ('+', '-', '='):
986
match_style = val[:1]
987
val = val[1:]
988
989
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
990
if val.lower() == 'yesterday':
991
dt = today - datetime.timedelta(days=1)
992
elif val.lower() == 'today':
993
dt = today
994
elif val.lower() == 'tomorrow':
995
dt = today + datetime.timedelta(days=1)
996
else:
997
import re
998
# This should be done outside the function to avoid recompiling it.
999
_date_re = re.compile(
1000
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1001
r'(,|T)?\s*'
1002
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1003
)
1004
m = _date_re.match(val)
1005
if not m or (not m.group('date') and not m.group('time')):
1006
raise BzrError('Invalid revision date %r' % revision)
1007
1008
if m.group('date'):
1009
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1010
else:
1011
year, month, day = today.year, today.month, today.day
1012
if m.group('time'):
1013
hour = int(m.group('hour'))
1014
minute = int(m.group('minute'))
1015
if m.group('second'):
1016
second = int(m.group('second'))
1017
else:
1018
second = 0
1019
else:
1020
hour, minute, second = 0,0,0
1021
1022
dt = datetime.datetime(year=year, month=month, day=day,
1023
hour=hour, minute=minute, second=second)
1024
first = dt
1025
last = None
1026
reversed = False
1027
if match_style == '-':
1028
reversed = True
1029
elif match_style == '=':
1030
last = dt + datetime.timedelta(days=1)
1031
1032
if reversed:
1033
for i in range(len(revs)-1, -1, -1):
1034
r = self.get_revision(revs[i])
1035
# TODO: Handle timezone.
1036
dt = datetime.datetime.fromtimestamp(r.timestamp)
1037
if first >= dt and (last is None or dt >= last):
1038
return i+1
1039
else:
1040
for i in range(len(revs)):
1041
r = self.get_revision(revs[i])
1042
# TODO: Handle timezone.
1043
dt = datetime.datetime.fromtimestamp(r.timestamp)
1044
if first <= dt and (last is None or dt <= last):
1045
return i+1
1046
REVISION_NAMESPACES['date:'] = _namespace_date
791
def lookup_revision(self, revno):
792
"""Return revision hash for revision number."""
793
if revno == 0:
794
return None
795
796
try:
797
# list is 0-based; revisions are 1-based
798
return self.revision_history()[revno-1]
799
except IndexError:
800
raise BzrError("no such revision %s" % revno)
801
1047
802
1048
803
def revision_tree(self, revision_id):
1049
804
"""Return Tree for a revision on this branch.
1237
992
f.close()
1238
993
1239
994
1240
def pending_merges(self):
1241
"""Return a list of pending merges.
1242
1243
These are revisions that have been merged into the working
1244
directory but not yet committed.
1245
"""
1246
cfn = self.controlfilename('pending-merges')
1247
if not os.path.exists(cfn):
1248
return []
1249
p = []
1250
for l in self.controlfile('pending-merges', 'r').readlines():
1251
p.append(l.rstrip('\n'))
1252
return p
1253
1254
1255
def add_pending_merge(self, revision_id):
1256
from bzrlib.revision import validate_revision_id
1257
1258
validate_revision_id(revision_id)
1259
1260
p = self.pending_merges()
1261
if revision_id in p:
1262
return
1263
p.append(revision_id)
1264
self.set_pending_merges(p)
1265
1266
1267
def set_pending_merges(self, rev_list):
1268
from bzrlib.atomicfile import AtomicFile
1269
self.lock_write()
1270
try:
1271
f = AtomicFile(self.controlfilename('pending-merges'))
1272
try:
1273
for l in rev_list:
1274
print >>f, l
1275
f.commit()
1276
finally:
1277
f.close()
1278
finally:
1279
self.unlock()
1280
1281
1282
995
1283
996
class ScratchBranch(Branch):
1284
997
"""Special test class: a branch that cleans up after itself.
1298
1011
1299
1012
If any files are listed, they are created in the working copy.
1300
1013
"""
1301
from tempfile import mkdtemp
1302
1014
init = False
1303
1015
if base is None:
1304
base = mkdtemp()
1016
base = tempfile.mkdtemp()
1305
1017
init = True
1306
1018
Branch.__init__(self, base, init=init)
1307
1019
for d in dirs:
1320
1032
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1321
1033
True
1322
1034
"""
1323
from shutil import copytree
1324
from tempfile import mkdtemp
1325
base = mkdtemp()
1035
base = tempfile.mkdtemp()
1326
1036
os.rmdir(base)
1327
copytree(self.base, base, symlinks=True)
1037
shutil.copytree(self.base, base, symlinks=True)
1328
1038
return ScratchBranch(base=base)
1329
1039
1330
1040
def __del__(self):
1332
1042
1333
1043
def destroy(self):
1334
1044
"""Destroy the test branch, removing the scratch directory."""
1335
from shutil import rmtree
1336
1045
try:
1337
1046
if self.base:
1338
1047
mutter("delete ScratchBranch %s" % self.base)
1339
rmtree(self.base)
1048
shutil.rmtree(self.base)
1340
1049
except OSError, e:
1341
1050
# Work around for shutil.rmtree failing on Windows when
1342
1051
# readonly files are encountered
1344
1053
for root, dirs, files in os.walk(self.base, topdown=False):
1345
1054
for name in files:
1346
1055
os.chmod(os.path.join(root, name), 0700)
1347
rmtree(self.base)
1056
shutil.rmtree(self.base)
1348
1057
self.base = None
1349
1058
1350
1059
1375
1084
cope with just randomness because running uuidgen every time is
1376
1085
slow."""
1377
1086
import re
1378
from binascii import hexlify
1379
from time import time
1380
1087
1381
1088
# get last component
1382
1089
idx = name.rfind('/')
1394
1101
name = re.sub(r'[^\w.]', '', name)
1395
1102
1396
1103
s = hexlify(rand_bytes(8))
1397
return '-'.join((name, compact_date(time()), s))
1398
1399
1400
def gen_root_id():
1401
"""Return a new tree-root file id."""
1402
return gen_file_id('TREE_ROOT')
1403
1104
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1