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Diffstat (limited to 'libbe/arch.py')
| -rw-r--r-- | libbe/arch.py | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/libbe/arch.py b/libbe/arch.py index e69de29..2f45aa9 100644 --- a/libbe/arch.py +++ b/libbe/arch.py @@ -0,0 +1,295 @@ +# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc. +# Ben Finney <ben+python@benfinney.id.au> +# James Rowe <jnrowe@ukfsn.org> +# W. Trevor King <wking@drexel.edu> +# +# 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., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +import codecs +import os +import re +import shutil +import sys +import time +import unittest +import doctest + +import config +from beuuid import uuid_gen +import rcs +from rcs import RCS + +DEFAULT_CLIENT = "tla" + +client = config.get_val("arch_client", default=DEFAULT_CLIENT) + +def new(): + return Arch() + +class Arch(RCS): + name = "Arch" + client = client + versioned = True + _archive_name = None + _archive_dir = None + _tmp_archive = False + _project_name = None + _tmp_project = False + _arch_paramdir = os.path.expanduser("~/.arch-params") + def _rcs_help(self): + status,output,error = self._u_invoke_client("--help") + return output + def _rcs_detect(self, path): + """Detect whether a directory is revision-controlled using Arch""" + if self._u_search_parent_directories(path, "{arch}") != None : + config.set_val("arch_client", client) + return True + return False + def _rcs_init(self, path): + self._create_archive(path) + self._create_project(path) + self._add_project_code(path) + def _create_archive(self, path): + # Create a new archive + # http://regexps.srparish.net/tutorial-tla/new-archive.html#Creating_a_New_Archive + assert self._archive_name == None + id = self.get_user_id() + name, email = self._u_parse_id(id) + if email == None: + email = "%s@example.com" % name + trailer = "%s-%s" % ("bugs-everywhere-auto", uuid_gen()[0:8]) + self._archive_name = "%s--%s" % (email, trailer) + self._archive_dir = "/tmp/%s" % trailer + self._tmp_archive = True + self._u_invoke_client("make-archive", self._archive_name, + self._archive_dir, directory=path) + def _invoke_client(self, *args, **kwargs): + """ + Invoke the client on our archive. + """ + assert self._archive_name != None + command = args[0] + if len(args) > 1: + tailargs = args[1:] + else: + tailargs = [] + arglist = [command, "-A", self._archive_name] + arglist.extend(tailargs) + args = tuple(arglist) + return self._u_invoke_client(*args, **kwargs) + def _remove_archive(self): + assert self._tmp_archive == True + assert self._archive_dir != None + assert self._archive_name != None + os.remove(os.path.join(self._arch_paramdir, + "=locations", self._archive_name)) + shutil.rmtree(self._archive_dir) + self._tmp_archive = False + self._archive_dir = False + self._archive_name = False + def _create_project(self, path): + """ + Create a temporary Arch project in the directory PATH. This + project will be removed by + __del__->cleanup->_rcs_cleanup->_remove_project + """ + # http://mwolson.org/projects/GettingStartedWithArch.html + # http://regexps.srparish.net/tutorial-tla/new-project.html#Starting_a_New_Project + category = "bugs-everywhere" + branch = "mainline" + version = "0.1" + self._project_name = "%s--%s--%s" % (category, branch, version) + self._invoke_client("archive-setup", self._project_name, + directory=path) + self._tmp_project = True + def _remove_project(self): + assert self._tmp_project == True + assert self._project_name != None + assert self._archive_dir != None + shutil.rmtree(os.path.join(self._archive_dir, self._project_name)) + self._tmp_project = False + self._project_name = False + def _archive_project_name(self): + assert self._archive_name != None + assert self._project_name != None + return "%s/%s" % (self._archive_name, self._project_name) + def _adjust_naming_conventions(self, path): + """ + By default, Arch restricts source code filenames to + ^[_=a-zA-Z0-9].*$ + See + http://regexps.srparish.net/tutorial-tla/naming-conventions.html + Since our bug directory '.be' doesn't satisfy these conventions, + we need to adjust them. + + The conventions are specified in + project-root/{arch}/=tagging-method + """ + tagpath = os.path.join(path, "{arch}", "=tagging-method") + lines_out = [] + f = codecs.open(tagpath, "r", self.encoding) + for line in f: + if line.startswith("source "): + lines_out.append("source ^[._=a-zA-X0-9].*$\n") + else: + lines_out.append(line) + f.close() + f = codecs.open(tagpath, "w", self.encoding) + f.write("".join(lines_out)) + f.close() + + def _add_project_code(self, path): + # http://mwolson.org/projects/GettingStartedWithArch.html + # http://regexps.srparish.net/tutorial-tla/new-source.html + # http://regexps.srparish.net/tutorial-tla/importing-first.html + self._invoke_client("init-tree", self._project_name, + directory=path) + self._adjust_naming_conventions(path) + self._invoke_client("import", "--summary", "Began versioning", + directory=path) + def _rcs_cleanup(self): + if self._tmp_project == True: + self._remove_project() + if self._tmp_archive == True: + self._remove_archive() + + def _rcs_root(self, path): + if not os.path.isdir(path): + dirname = os.path.dirname(path) + else: + dirname = path + status,output,error = self._u_invoke_client("tree-root", dirname) + root = output.rstrip('\n') + + self._get_archive_project_name(root) + + return root + + def _get_archive_name(self, root): + status,output,error = self._u_invoke_client("archives") + lines = output.split('\n') + # e.g. output: + # jdoe@example.com--bugs-everywhere-auto-2008.22.24.52 + # /tmp/BEtestXXXXXX/rootdir + # (+ repeats) + for archive,location in zip(lines[::2], lines[1::2]): + if os.path.realpath(location) == os.path.realpath(root): + self._archive_name = archive + assert self._archive_name != None + + def _get_archive_project_name(self, root): + # get project names + status,output,error = self._u_invoke_client("tree-version", directory=root) + # e.g output + # jdoe@example.com--bugs-everywhere-auto-2008.22.24.52/be--mainline--0.1 + archive_name,project_name = output.rstrip('\n').split('/') + self._archive_name = archive_name + self._project_name = project_name + def _rcs_get_user_id(self): + try: + status,output,error = self._u_invoke_client('my-id') + return output.rstrip('\n') + except Exception, e: + if 'no arch user id set' in e.args[0]: + return None + else: + raise + def _rcs_set_user_id(self, value): + self._u_invoke_client('my-id', value) + def _rcs_add(self, path): + self._u_invoke_client("add-id", path) + realpath = os.path.realpath(self._u_abspath(path)) + pathAdded = realpath in self._list_added(self.rootdir) + if self.paranoid and not pathAdded: + self._force_source(path) + def _list_added(self, root): + assert os.path.exists(root) + assert os.access(root, os.X_OK) + root = os.path.realpath(root) + status,output,error = self._u_invoke_client("inventory", "--source", + "--both", "--all", root) + inv_str = output.rstrip('\n') + return [os.path.join(root, p) for p in inv_str.split('\n')] + def _add_dir_rule(self, rule, dirname, root): + inv_path = os.path.join(dirname, '.arch-inventory') + f = codecs.open(inv_path, "a", self.encoding) + f.write(rule) + f.close() + if os.path.realpath(inv_path) not in self._list_added(root): + paranoid = self.paranoid + self.paranoid = False + self.add(inv_path) + self.paranoid = paranoid + def _force_source(self, path): + rule = "source %s\n" % self._u_rel_path(path) + self._add_dir_rule(rule, os.path.dirname(path), self.rootdir) + if os.path.realpath(path) not in self._list_added(self.rootdir): + raise CantAddFile(path) + def _rcs_remove(self, path): + if not '.arch-ids' in path: + self._u_invoke_client("delete-id", path) + def _rcs_update(self, path): + pass + def _rcs_get_file_contents(self, path, revision=None, binary=False): + if revision == None: + return RCS._rcs_get_file_contents(self, path, revision, binary=binary) + else: + status,output,error = \ + self._invoke_client("file-find", path, revision) + relpath = output.rstrip('\n') + abspath = os.path.join(self.rootdir, relpath) + f = codecs.open(abspath, "r", self.encoding) + contents = f.read() + f.close() + return contents + def _rcs_duplicate_repo(self, directory, revision=None): + if revision == None: + RCS._rcs_duplicate_repo(self, directory, revision) + else: + status,output,error = \ + self._u_invoke_client("get", revision,directory) + def _rcs_commit(self, commitfile, allow_empty=False): + if allow_empty == False: + # arch applies empty commits without complaining, so check first + status,output,error = self._u_invoke_client("changes",expect=(0,1)) + if status == 0: + raise rcs.EmptyCommit() + summary,body = self._u_parse_commitfile(commitfile) + args = ["commit", "--summary", summary] + if body != None: + args.extend(["--log-message",body]) + status,output,error = self._u_invoke_client(*args) + revision = None + revline = re.compile("[*] committed (.*)") + match = revline.search(output) + assert match != None, output+error + assert len(match.groups()) == 1 + revpath = match.groups()[0] + assert not " " in revpath, revpath + assert revpath.startswith(self._archive_project_name()+'--') + revision = revpath[len(self._archive_project_name()+'--'):] + return revpath + +class CantAddFile(Exception): + def __init__(self, file): + self.file = file + Exception.__init__(self, "Can't automatically add file %s" % file) + + + +rcs.make_rcs_testcase_subclasses(Arch, sys.modules[__name__]) + +unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) +suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()]) |