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# Copyright (C) 2005 Aaron Bentley and Panometrics, Inc.
# <abentley@panoramicfeedback.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from popen2 import Popen3
import os
import config
client = config.get_val("arch_client")
if client is None:
client = "tla"
config.set_val("arch_client", client)
def invoke(args):
q=Popen3(args, True)
output = q.fromchild.read()
error = q.childerr.read()
status = q.wait()
if os.WIFEXITED(status):
return os.WEXITSTATUS(status), output, error
raise Exception("Command failed: %s" % error)
def invoke_client(*args, **kwargs):
cl_args = [client]
cl_args.extend(args)
status,output,error = invoke(cl_args)
if status not in (0,):
raise Exception("Command failed: %s" % error)
return output
def write_tree_settings(contents, path):
file(os.path.join(path, "{arch}", "=tagging-method"), "wb").write(contents)
def init_tree(path):
invoke_client("init-tree", "-d", path)
def temp_arch_tree(type="easy"):
import tempfile
path = tempfile.mkdtemp()
init_tree(path)
if type=="easy":
write_tree_settings("source ^.*$\n", path)
elif type=="tricky":
write_tree_settings("source ^$\n", path)
else:
assert (type=="impossible")
add_dir_rule("precious ^\.boo$", path, path)
return path
def list_added(root):
assert os.path.exists(root)
assert os.access(root, os.X_OK)
root = os.path.realpath(root)
inv_str = invoke_client("inventory", "--source", '--both', '--all', root)
return [os.path.join(root, p) for p in inv_str.split('\n')]
def tree_root(filename):
assert os.path.exists(filename)
if not os.path.isdir(filename):
dirname = os.path.dirname(filename)
else:
dirname = filename
return invoke_client("tree-root", dirname).rstrip('\n')
def rel_filename(filename, root):
filename = os.path.realpath(filename)
root = os.path.realpath(root)
assert(filename.startswith(root))
return filename[len(root)+1:]
class CantAddFile(Exception):
def __init__(self, file):
self.file = file
Exception.__init__(self, "Can't automatically add file %s" % file)
def add_dir_rule(rule, dirname, root):
inv_filename = os.path.join(dirname, '.arch-inventory')
file(inv_filename, "ab").write(rule)
if os.path.realpath(inv_filename) not in list_added(root):
add_id(inv_filename, no_force=True)
def force_source(filename, root):
rule = "source %s\n" % rel_filename(filename, root)
add_dir_rule(rule, os.path.dirname(filename), root)
if os.path.realpath(filename) not in list_added(root):
raise CantAddFile(filename)
def add_id(filename, no_force=False):
invoke_client("add-id", filename)
root = tree_root(filename)
if os.path.realpath(filename) not in list_added(root) and not no_force:
force_source(filename, root)
def delete_id(filename):
invoke_client("delete-id", filename)
def test_helper(type):
t = temp_arch_tree(type)
dirname = os.path.join(t, ".boo")
return dirname, t
def mkdir(path):
"""
>>> import shutil
>>> dirname,t = test_helper("easy")
>>> mkdir(dirname)
>>> assert os.path.realpath(dirname) in list_added(t)
>>> assert not os.path.exists(os.path.join(t, ".arch-inventory"))
>>> shutil.rmtree(t)
>>> dirname,t = test_helper("tricky")
>>> mkdir(dirname)
>>> assert os.path.realpath(dirname) in list_added(t)
>>> assert os.path.exists(os.path.join(t, ".arch-inventory"))
>>> shutil.rmtree(t)
>>> dirname,t = test_helper("impossible")
>>> try:
... mkdir(dirname)
... except CantAddFile, e:
... print "Can't add file"
Can't add file
>>> shutil.rmtree(t)
"""
os.mkdir(path)
add_id(path)
def set_file_contents(path, contents):
add = not os.path.exists(path)
file(path, "wb").write(contents)
if add:
add_id(path)
def path_in_reference(bug_dir, spec):
if spec is not None:
return invoke_client("file-find", bug_dir, spec).rstrip('\n')
return invoke_client("file-find", bug_dir).rstrip('\n')
def unlink(path):
try:
os.unlink(path)
delete_id(path)
except OSError, e:
if e.errno != 2:
raise
def detect(path):
"""Detect whether a directory is revision-controlled using Arch"""
path = os.path.realpath(path)
while True:
if os.path.exists(os.path.join(path, "{arch}")):
return True
if path == "/":
return False
path = os.path.dirname(path)
name = "Arch"
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