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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
def ReadEnvironmentOptions(self, opts):
""" Set options from environment variables. """
env_options = self._RegisteredEnvironmentOptions()
for env_key, opt_key in env_options.items():
# Get the user-set option value if any
opt_value = getattr(opts, opt_key)
# If the value is set, it means the user has passed it as a command
# line option, and we should use that. Otherwise we can try to set it
# with the value from the corresponding environment variable.
if opt_value is not None:
continue
env_value = os.environ.get(env_key)
if env_value is not None:
setattr(opts, opt_key, env_value)
return opts
@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 _RegisteredEnvironmentOptions(self):
"""Get options that can be set from environment variables.
Return a dictionary mapping environment variable name
to option key name that it can override.
Example: {'REPO_MY_OPTION': 'my_option'}
Will allow the option with key value 'my_option' to be set
from the value in the environment variable named 'REPO_MY_OPTION'.
Note: This does not work properly for options that are explicitly
set to None by the user, or options that are defined with a
default value other than None.
"""
return {}
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, manifest, path):
project = None
if os.path.exists(path):
oldpath = None
while path and \
path != oldpath and \
path != manifest.topdir:
try:
project = self._by_path[path]
break
except KeyError:
oldpath = path
path = os.path.dirname(path)
if not project and path == manifest.topdir:
try:
project = self._by_path[path]
except KeyError:
pass
else:
try:
project = self._by_path[path]
except KeyError:
pass
return project
def GetProjects(self, args, manifest=None, groups='', missing_ok=False,
submodules_ok=False):
"""A list of projects that match the arguments.
"""
if not manifest:
manifest = self.manifest
all_projects_list = manifest.projects
result = []
mp = manifest.manifestProject
if not groups:
groups = mp.config.GetString('manifest.groups')
if not groups:
groups = 'default,platform-' + platform.system().lower()
groups = [x for x in re.split(r'[,\s]+', groups) if x]
if not args:
derived_projects = {}
for project in all_projects_list:
if submodules_ok or project.sync_s:
derived_projects.update((p.name, p)
for p in project.GetDerivedSubprojects())
all_projects_list.extend(derived_projects.values())
for project in all_projects_list:
if (missing_ok or project.Exists) and project.MatchesGroups(groups):
result.append(project)
else:
self._ResetPathToProjectMap(all_projects_list)
for arg in args:
projects = manifest.GetProjectsWithName(arg)
if not projects:
path = os.path.abspath(arg).replace('\\', '/')
project = self._GetProjectByPath(manifest, 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 and (submodules_ok or
project.sync_s)):
search_again = False
for subproject in project.GetDerivedSubprojects():
self._UpdatePathToProjectMap(subproject)
search_again = True
if search_again:
project = self._GetProjectByPath(manifest, path) or project
if project:
projects = [project]
if not projects:
raise NoSuchProjectError(arg)
for project in projects:
if not missing_ok and not project.Exists:
raise NoSuchProjectError(arg)
if not project.MatchesGroups(groups):
raise InvalidProjectGroupsError(arg)
result.extend(projects)
def _getpath(x):
return x.relpath
result.sort(key=_getpath)
return result
def FindProjects(self, args, inverse=False):
result = []
patterns = [re.compile(r'%s' % a, re.IGNORECASE) for a in args]
for project in self.GetProjects(''):
for pattern in patterns:
match = pattern.search(project.name) or pattern.search(project.relpath)
if not inverse and match:
result.append(project)
break
if inverse and match:
break
else:
if inverse:
result.append(project)
result.sort(key=lambda project: project.relpath)
return result
# pylint: disable=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=W0223
class MirrorSafeCommand(object):
"""Command permits itself to run within a mirror,
and does not require a working directory.
"""
class GitcAvailableCommand(object):
"""Command that requires GITC to be available, but does
not require the local client to be a GITC client.
"""
class GitcClientCommand(object):
"""Command that requires the local client to be a GITC
client.
"""