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"""Tree classes, representing directory at point in time.
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from osutils import pumpfile, appendpath, fingerprint_file
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from bzrlib.trace import mutter, note
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from bzrlib.errors import BzrError
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import os.path, os, fnmatch
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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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from stat import S_ISREG, S_ISDIR, ST_MODE, ST_SIZE
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from inventory import Inventory
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from trace import mutter, note
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from errors import bailout
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class Tree(object):
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"""Abstract file tree.
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if ie.text_size != None:
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if ie.text_size != fp['size']:
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raise BzrError("mismatched size for file %r in %r" % (ie.file_id, self._store),
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bailout("mismatched size for file %r in %r" % (ie.file_id, self._store),
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["inventory expects %d bytes" % ie.text_size,
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"file is actually %d bytes" % fp['size'],
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"store is probably damaged/corrupt"])
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if ie.text_sha1 != fp['sha1']:
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raise BzrError("wrong SHA-1 for file %r in %r" % (ie.file_id, self._store),
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bailout("wrong SHA-1 for file %r in %r" % (ie.file_id, self._store),
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["inventory expects %s" % ie.text_sha1,
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"file is actually %s" % fp['sha1'],
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"store is probably damaged/corrupt"])
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pumpfile(self.get_file(fileid), sys.stdout)
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def export(self, dest, format='dir', root=None):
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"""Export this tree."""
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exporter = exporters[format]
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from bzrlib.errors import BzrCommandError
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raise BzrCommandError("export format %r not supported" % format)
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exporter(self, dest, root)
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def export(self, dest):
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"""Export this tree to a new directory.
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`dest` should not exist, and will be created holding the
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contents of this tree.
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TODO: To handle subdirectories we need to create the
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:note: If the export fails, the destination directory will be
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left in a half-assed state.
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mutter('export version %r' % self)
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for dp, ie in inv.iter_entries():
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fullpath = appendpath(dest, dp)
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if kind == 'directory':
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pumpfile(self.get_file(ie.file_id), file(fullpath, 'wb'))
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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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if old_name != new_name:
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yield (old_name, new_name)
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######################################################################
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def dir_exporter(tree, dest, root):
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"""Export this tree to a new directory.
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`dest` should not exist, and will be created holding the
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contents of this tree.
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TODO: To handle subdirectories we need to create the
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:note: If the export fails, the destination directory will be
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left in a half-assed state.
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mutter('export version %r' % tree)
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for dp, ie in inv.iter_entries():
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fullpath = appendpath(dest, dp)
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if kind == 'directory':
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pumpfile(tree.get_file(ie.file_id), file(fullpath, 'wb'))
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raise BzrError("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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exporters['dir'] = dir_exporter
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def get_root_name(dest):
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"""Get just the root name for a tarball.
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>>> get_root_name('mytar.tar')
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>>> get_root_name('mytar.tar.bz2')
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>>> get_root_name('tar.tar.tar.tgz')
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>>> get_root_name('bzr-0.0.5.tar.gz')
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>>> get_root_name('a/long/path/mytar.tgz')
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>>> get_root_name('../parent/../dir/other.tbz2')
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endings = ['.tar', '.tar.gz', '.tgz', '.tar.bz2', '.tbz2']
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dest = os.path.basename(dest)
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if dest.endswith(end):
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return dest[:-len(end)]
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def tar_exporter(tree, dest, root, compression=None):
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"""Export this tree to a new tar file.
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`dest` will be created holding the contents of this tree; if it
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already exists, it will be clobbered, like with "tar -c".
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from time import time
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compression = str(compression or '')
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root = get_root_name(dest)
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ball = tarfile.open(dest, 'w:' + compression)
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except tarfile.CompressionError, e:
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raise BzrError(str(e))
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mutter('export version %r' % tree)
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for dp, ie in inv.iter_entries():
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mutter(" export {%s} kind %s to %s" % (ie.file_id, ie.kind, dest))
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item = tarfile.TarInfo(os.path.join(root, dp))
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# TODO: would be cool to actually set it to the timestamp of the
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# revision it was last changed
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if ie.kind == 'directory':
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item.type = tarfile.DIRTYPE
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elif ie.kind == 'file':
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item.type = tarfile.REGTYPE
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fileobj = tree.get_file(ie.file_id)
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item.size = _find_file_size(fileobj)
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raise BzrError("don't know how to export {%s} of kind %r" %
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(ie.file_id, ie.kind))
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ball.addfile(item, fileobj)
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exporters['tar'] = tar_exporter
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def tgz_exporter(tree, dest, root):
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tar_exporter(tree, dest, root, compression='gz')
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exporters['tgz'] = tgz_exporter
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def tbz_exporter(tree, dest, root):
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tar_exporter(tree, dest, root, compression='bz2')
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exporters['tbz2'] = tbz_exporter
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def _find_file_size(fileobj):
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offset = fileobj.tell()
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size = fileobj.tell()
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# gzip doesn't accept second argument to seek()
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nread = len(fileobj.read())
added
removed
bzrlib/tree.py
