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- Committer: Martin Pool
- Date: 2005-05-30 01:39:13 UTC
- Revision ID: mbp@sourcefrog.net-20050530013913-4ac43c29e1302170
- make sure any bzr output is flushed before
running external diff
running external diff
- files added:
- bzrlib/atomicfile.py
- patches
- files removed:
- bzrlib/tests.py
- files modified:
- .bzrignore
added
removed
bzrlib/tree.py
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from sets import Set
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import os.path, os, fnmatch
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from osutils import pumpfile, compare_files, filesize, quotefn, sha_file, \
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from osutils import pumpfile, filesize, quotefn, sha_file, \
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joinpath, splitpath, appendpath, isdir, isfile, file_kind, fingerprint_file
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import errno
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from stat import S_ISREG, S_ISDIR, ST_MODE, ST_SIZE
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import bzrlib
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class Tree:
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class Tree(object):
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"""Abstract file tree.
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There are several subclasses:
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def has_id(self, file_id):
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return self.inventory.has_id(file_id)
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def id_set(self):
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"""Return set of all ids in this tree."""
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return self.inventory.id_set()
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__contains__ = has_id
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def __iter__(self):
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return iter(self.inventory)
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def id2path(self, file_id):
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return self.inventory.id2path(file_id)
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elif kind == 'file':
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pumpfile(self.get_file(ie.file_id), file(fullpath, 'wb'))
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else:
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bailout("don't know how to export {%s} of kind %r" % (fid, kind))
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bailout("don't know how to export {%s} of kind %r" % (ie.file_id, kind))
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mutter(" export {%s} kind %s to %s" % (ie.file_id, kind, fullpath))
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class WorkingTree(Tree):
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"""Working copy tree.
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The inventory is held in the `Branch` working-inventory, and the
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files are in a directory on disk.
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It is possible for a `WorkingTree` to have a filename which is
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not listed in the Inventory and vice versa.
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"""
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def __init__(self, basedir, inv):
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self._inventory = inv
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self.basedir = basedir
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self.path2id = inv.path2id
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def __repr__(self):
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return "<%s of %s>" % (self.__class__.__name__,
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self.basedir)
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def abspath(self, filename):
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return os.path.join(self.basedir, filename)
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def has_filename(self, filename):
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return os.path.exists(self.abspath(filename))
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def get_file(self, file_id):
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return self.get_file_byname(self.id2path(file_id))
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def get_file_byname(self, filename):
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return file(self.abspath(filename), 'rb')
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def _get_store_filename(self, file_id):
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## XXX: badly named; this isn't in the store at all
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return self.abspath(self.id2path(file_id))
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def has_id(self, file_id):
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# files that have been deleted are excluded
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if not self.inventory.has_id(file_id):
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return False
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return os.access(self.abspath(self.inventory.id2path(file_id)), os.F_OK)
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def get_file_size(self, file_id):
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return os.stat(self._get_store_filename(file_id))[ST_SIZE]
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def get_file_sha1(self, file_id):
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f = self.get_file(file_id)
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return sha_file(f)
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def file_class(self, filename):
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if self.path2id(filename):
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return 'V'
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elif self.is_ignored(filename):
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return 'I'
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else:
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return '?'
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def list_files(self):
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"""Recursively list all files as (path, class, kind, id).
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Lists, but does not descend into unversioned directories.
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This does not include files that have been deleted in this
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tree.
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Skips the control directory.
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"""
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inv = self.inventory
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def descend(from_dir_relpath, from_dir_id, dp):
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ls = os.listdir(dp)
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ls.sort()
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for f in ls:
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## TODO: If we find a subdirectory with its own .bzr
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## directory, then that is a separate tree and we
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## should exclude it.
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if bzrlib.BZRDIR == f:
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continue
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# path within tree
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fp = appendpath(from_dir_relpath, f)
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# absolute path
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fap = appendpath(dp, f)
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f_ie = inv.get_child(from_dir_id, f)
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if f_ie:
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c = 'V'
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elif self.is_ignored(fp):
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c = 'I'
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else:
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c = '?'
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fk = file_kind(fap)
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if f_ie:
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if f_ie.kind != fk:
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bailout("file %r entered as kind %r id %r, now of kind %r"
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% (fap, f_ie.kind, f_ie.file_id, fk))
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yield fp, c, fk, (f_ie and f_ie.file_id)
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if fk != 'directory':
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continue
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if c != 'V':
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# don't descend unversioned directories
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continue
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for ff in descend(fp, f_ie.file_id, fap):
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yield ff
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for f in descend('', inv.root.file_id, self.basedir):
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yield f
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def unknowns(self):
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for subp in self.extras():
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if not self.is_ignored(subp):
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yield subp
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def extras(self):
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"""Yield all unknown files in this WorkingTree.
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If there are any unknown directories then only the directory is
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returned, not all its children. But if there are unknown files
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under a versioned subdirectory, they are returned.
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Currently returned depth-first, sorted by name within directories.
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"""
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## TODO: Work from given directory downwards
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for path, dir_entry in self.inventory.directories():
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mutter("search for unknowns in %r" % path)
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dirabs = self.abspath(path)
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if not isdir(dirabs):
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# e.g. directory deleted
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continue
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fl = []
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for subf in os.listdir(dirabs):
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if (subf != '.bzr'
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and (subf not in dir_entry.children)):
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fl.append(subf)
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fl.sort()
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for subf in fl:
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subp = appendpath(path, subf)
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yield subp
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def ignored_files(self):
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"""Yield list of PATH, IGNORE_PATTERN"""
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for subp in self.extras():
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pat = self.is_ignored(subp)
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if pat != None:
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yield subp, pat
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def get_ignore_list(self):
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"""Return list of ignore patterns.
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Cached in the Tree object after the first call.
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"""
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if hasattr(self, '_ignorelist'):
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return self._ignorelist
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l = bzrlib.DEFAULT_IGNORE[:]
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if self.has_filename(bzrlib.IGNORE_FILENAME):
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f = self.get_file_byname(bzrlib.IGNORE_FILENAME)
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l.extend([line.rstrip("\n\r") for line in f.readlines()])
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self._ignorelist = l
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return l
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def is_ignored(self, filename):
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r"""Check whether the filename matches an ignore pattern.
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Patterns containing '/' or '\' need to match the whole path;
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others match against only the last component.
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If the file is ignored, returns the pattern which caused it to
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be ignored, otherwise None. So this can simply be used as a
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boolean if desired."""
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# TODO: Use '**' to match directories, and other extended
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# globbing stuff from cvs/rsync.
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# XXX: fnmatch is actually not quite what we want: it's only
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# approximately the same as real Unix fnmatch, and doesn't
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# treat dotfiles correctly and allows * to match /.
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# Eventually it should be replaced with something more
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# accurate.
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for pat in self.get_ignore_list():
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if '/' in pat or '\\' in pat:
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# as a special case, you can put ./ at the start of a
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# pattern; this is good to match in the top-level
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# only;
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if (pat[:2] == './') or (pat[:2] == '.\\'):
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newpat = pat[2:]
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else:
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newpat = pat
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if fnmatch.fnmatchcase(filename, newpat):
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return pat
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else:
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if fnmatch.fnmatchcase(splitpath(filename)[-1], pat):
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return pat
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return None
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class RevisionTree(Tree):
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"""Tree viewing a previous revision.
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Loggerhead is a web-based interface for Breezy
Version: 2.0.1