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#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
import os.path, sys, tempfile, urllib
from svn import core, repos
from StringIO import StringIO
class Temper(object):
"""Class to simplify allocation and cleanup of dummy Subversion
structures, such as repositories and working copies."""
def __init__(self):
self._cleanup_list = []
def __del__(self):
self.cleanup()
def cleanup(self):
"""Destroy everything that was allocated so far."""
for (target, clean_func) in self._cleanup_list:
clean_func(target)
self._cleanup_list = []
def alloc_empty_dir(self, suffix = ""):
"""Create an empty temporary directory. Returns its full path
in canonical internal form."""
temp_dir_name = core.svn_dirent_internal_style(tempfile.mkdtemp(suffix))
self._cleanup_list.append((temp_dir_name, core.svn_io_remove_dir))
return temp_dir_name
def alloc_empty_repo(self, suffix = ""):
"""Create an empty repository. Returns a tuple of its handle, path and
file: URI in canonical internal form."""
temp_path = tempfile.mkdtemp(suffix)
repo_path = core.svn_dirent_internal_style(temp_path)
repo_uri = core.svn_uri_canonicalize(file_uri_for_path(temp_path))
handle = repos.create(repo_path, None, None, None, None)
self._cleanup_list.append((repo_path, repos.svn_repos_delete))
return (handle, repo_path, repo_uri)
def alloc_known_repo(self, repo_id, suffix = ""):
"""Create a temporary repository and fill it with the contents of the
specified dump. repo_id is the path to the dump, relative to the script's
location. Returns the same as alloc_empty_repo."""
dump_path = os.path.join(os.path.dirname(sys.argv[0]), repo_id)
(handle, repo_path, repo_uri) = self.alloc_empty_repo(suffix=suffix)
repos.svn_repos_load_fs2(handle, open(dump_path, 'rb'), StringIO(),
repos.load_uuid_default, None, False, False, None)
return (handle, repo_path, repo_uri)
def file_uri_for_path(path):
"""Return the file: URI corresponding to the given path."""
uri_path = urllib.pathname2url(path)
# pathname2url claims to return the path part of the URI, but on Windows
# it returns both the authority and path parts for no reason, which
# means we have to trim the leading slashes to "normalize" the result.
return 'file:///' + uri_path.lstrip('/')
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