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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 re
import sys
import textwrap
from subcmds import all_commands
from color import Coloring
from command import (
PagedCommand,
MirrorSafeCommand,
)
from wrapper import Wrapper
from error import RepoExitError
class InvalidHelpCommand(RepoExitError):
"""Invalid command passed into help."""
class Help(PagedCommand, MirrorSafeCommand):
COMMON = False
helpSummary = "Display detailed help on a command"
helpUsage = """
%prog [--all|command]
"""
helpDescription = """
Displays detailed usage information about a command.
"""
def _PrintCommands(self, commandNames):
"""Helper to display |commandNames| summaries."""
maxlen = 0
for name in commandNames:
maxlen = max(maxlen, len(name))
fmt = " %%-%ds %%s" % maxlen
for name in commandNames:
command = all_commands[name]()
try:
summary = command.helpSummary.strip()
except AttributeError:
summary = ""
print(fmt % (name, summary))
def _PrintAllCommands(self):
print("usage: repo COMMAND [ARGS]")
self.PrintAllCommandsBody()
def PrintAllCommandsBody(self):
print("The complete list of recognized repo commands is:")
commandNames = list(sorted(all_commands))
self._PrintCommands(commandNames)
print(
"See 'repo help <command>' for more information on a "
"specific command."
)
print("Bug reports:", Wrapper().BUG_URL)
def _PrintCommonCommands(self):
print("usage: repo COMMAND [ARGS]")
self.PrintCommonCommandsBody()
def PrintCommonCommandsBody(self):
print("The most commonly used repo commands are:")
commandNames = list(
sorted(
name for name, command in all_commands.items() if command.COMMON
)
)
self._PrintCommands(commandNames)
print(
"See 'repo help <command>' for more information on a specific "
"command.\nSee 'repo help --all' for a complete list of recognized "
"commands."
)
print("Bug reports:", Wrapper().BUG_URL)
def _PrintCommandHelp(self, cmd, header_prefix=""):
class _Out(Coloring):
def __init__(self, gc):
Coloring.__init__(self, gc, "help")
self.heading = self.printer("heading", attr="bold")
self._first = True
def _PrintSection(self, heading, bodyAttr):
try:
body = getattr(cmd, bodyAttr)
except AttributeError:
return
if body == "" or body is None:
return
if not self._first:
self.nl()
self._first = False
self.heading("%s%s", header_prefix, heading)
self.nl()
self.nl()
me = "repo %s" % cmd.NAME
body = body.strip()
body = body.replace("%prog", me)
# Extract the title, but skip any trailing {#anchors}.
asciidoc_hdr = re.compile(r"^\n?#+ ([^{]+)(\{#.+\})?$")
for para in body.split("\n\n"):
if para.startswith(" "):
self.write("%s", para)
self.nl()
self.nl()
continue
m = asciidoc_hdr.match(para)
if m:
self.heading("%s%s", header_prefix, m.group(1))
self.nl()
self.nl()
continue
lines = textwrap.wrap(
para.replace(" ", " "),
width=80,
break_long_words=False,
break_on_hyphens=False,
)
for line in lines:
self.write("%s", line)
self.nl()
self.nl()
out = _Out(self.client.globalConfig)
out._PrintSection("Summary", "helpSummary")
cmd.OptionParser.print_help()
out._PrintSection("Description", "helpDescription")
def _PrintAllCommandHelp(self):
for name in sorted(all_commands):
cmd = all_commands[name](manifest=self.manifest)
self._PrintCommandHelp(cmd, header_prefix="[%s] " % (name,))
def _Options(self, p):
p.add_option(
"-a",
"--all",
dest="show_all",
action="store_true",
help="show the complete list of commands",
)
p.add_option(
"--help-all",
dest="show_all_help",
action="store_true",
help="show the --help of all commands",
)
def Execute(self, opt, args):
if len(args) == 0:
if opt.show_all_help:
self._PrintAllCommandHelp()
elif opt.show_all:
self._PrintAllCommands()
else:
self._PrintCommonCommands()
elif len(args) == 1:
name = args[0]
try:
cmd = all_commands[name](manifest=self.manifest)
except KeyError:
print(
"repo: '%s' is not a repo command." % name, file=sys.stderr
)
raise InvalidHelpCommand(name)
self._PrintCommandHelp(cmd)
else:
self._PrintCommandHelp(self)
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