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#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed 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
import optparse
import platform
import re
import sys
from error import NoSuchProjectError
from error import InvalidProjectGroupsError
class Command(object):
"""Base class for any command line action in repo.
"""
common = False
manifest = None
_optparse = None
def WantPager(self, opt):
return False
@property
def OptionParser(self):
if self._optparse is None:
try:
me = 'repo %s' % self.NAME
usage = self.helpUsage.strip().replace('%prog', me)
except AttributeError:
usage = 'repo %s' % self.NAME
self._optparse = optparse.OptionParser(usage = usage)
self._Options(self._optparse)
return self._optparse
def _Options(self, p):
"""Initialize the option parser.
"""
def Usage(self):
"""Display usage and terminate.
"""
self.OptionParser.print_usage()
sys.exit(1)
def Execute(self, opt, args):
"""Perform the action, after option parsing is complete.
"""
raise NotImplementedError
def _ResetPathToProjectMap(self, projects):
self._by_path = dict((p.worktree, p) for p in projects)
def _UpdatePathToProjectMap(self, project):
self._by_path[project.worktree] = project
def _GetProjectByPath(self, path):
project = None
if os.path.exists(path):
oldpath = None
while path \
and path != oldpath \
and path != self.manifest.topdir:
try:
project = self._by_path[path]
break
except KeyError:
oldpath = path
path = os.path.dirname(path)
else:
try:
project = self._by_path[path]
except KeyError:
pass
return project
def GetProjects(self, args, missing_ok=False):
"""A list of projects that match the arguments.
"""
all_projects = self.manifest.projects
result = []
mp = self.manifest.manifestProject
groups = mp.config.GetString('manifest.groups')
if not groups:
groups = 'all,-notdefault,platform-' + platform.system().lower()
groups = [x for x in re.split('[,\s]+', groups) if x]
if not args:
all_projects_list = all_projects.values()
derived_projects = []
for project in all_projects_list:
if project.Registered:
# Do not search registered subproject for derived projects
# since its parent has been searched already
continue
derived_projects.extend(project.GetDerivedSubprojects())
all_projects_list.extend(derived_projects)
for project in all_projects_list:
if ((missing_ok or project.Exists) and
project.MatchesGroups(groups)):
result.append(project)
else:
self._ResetPathToProjectMap(all_projects.values())
for arg in args:
project = all_projects.get(arg)
if not project:
path = os.path.abspath(arg).replace('\\', '/')
project = self._GetProjectByPath(path)
# If it's not a derived project, update path->project mapping and
# search again, as arg might actually point to a derived subproject.
if project and not project.Derived:
search_again = False
for subproject in project.GetDerivedSubprojects():
self._UpdatePathToProjectMap(subproject)
search_again = True
if search_again:
project = self._GetProjectByPath(path) or project
if not project:
raise NoSuchProjectError(arg)
if not missing_ok and not project.Exists:
raise NoSuchProjectError(arg)
if not project.MatchesGroups(groups):
raise InvalidProjectGroupsError(arg)
result.append(project)
def _getpath(x):
return x.relpath
result.sort(key=_getpath)
return result
# pylint: disable-msg=W0223
# Pylint warns that the `InteractiveCommand` and `PagedCommand` classes do not
# override method `Execute` which is abstract in `Command`. Since that method
# is always implemented in classes derived from `InteractiveCommand` and
# `PagedCommand`, this warning can be suppressed.
class InteractiveCommand(Command):
"""Command which requires user interaction on the tty and
must not run within a pager, even if the user asks to.
"""
def WantPager(self, opt):
return False
class PagedCommand(Command):
"""Command which defaults to output in a pager, as its
display tends to be larger than one screen full.
"""
def WantPager(self, opt):
return True
# pylint: enable-msg=W0223
class MirrorSafeCommand(object):
"""Command permits itself to run within a mirror,
and does not require a working directory.
"""
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