|
|
|
@ -2,85 +2,26 @@ |
|
|
|
|
|
|
|
"""Command line client to :mod:`tools`""" |
|
|
|
|
|
|
|
import argparse |
|
|
|
import logging |
|
|
|
import operator |
|
|
|
import os |
|
|
|
import pkgutil |
|
|
|
import re |
|
|
|
import sys |
|
|
|
|
|
|
|
import argdispatch |
|
|
|
|
|
|
|
import patacrep |
|
|
|
|
|
|
|
# Logging configuration |
|
|
|
logging.basicConfig(level=logging.INFO) |
|
|
|
LOGGER = logging.getLogger("patatools") |
|
|
|
|
|
|
|
def _execlp(program, args): |
|
|
|
"""Call :func:`os.execlp`, adding `program` as the first argument to itself.""" |
|
|
|
return os.execlp(program, program, *args) |
|
|
|
|
|
|
|
def _iter_subcommands(): |
|
|
|
"""Iterate over subcommands. |
|
|
|
|
|
|
|
The objects returned are tuples of: |
|
|
|
- the name of the command; |
|
|
|
- its description; |
|
|
|
- the function to call to execute the subcommand. |
|
|
|
""" |
|
|
|
subcommands = [] |
|
|
|
|
|
|
|
# Get python subcommands |
|
|
|
path = [os.path.join(item, "patacrep", "tools") for item in sys.path] |
|
|
|
prefix = "patacrep.tools." |
|
|
|
module_re = re.compile(r'{}(?P<subcommand>[^\.]*)\.__main__'.format(prefix)) |
|
|
|
for module_loader, name, _ in pkgutil.walk_packages(path, prefix): |
|
|
|
match = module_re.match(name) |
|
|
|
if match: |
|
|
|
module = module_loader.find_module(match.string).load_module() |
|
|
|
if hasattr(module, "SUBCOMMAND_DESCRIPTION"): |
|
|
|
subcommands.append(match.groupdict()['subcommand']) |
|
|
|
yield ( |
|
|
|
match.groupdict()['subcommand'], |
|
|
|
getattr(module, "SUBCOMMAND_DESCRIPTION"), |
|
|
|
module.main, |
|
|
|
) |
|
|
|
|
|
|
|
class ArgumentParser(argparse.ArgumentParser): |
|
|
|
"""Proxy class to circumvent an :mod:`argparse` bug. |
|
|
|
|
|
|
|
Contrarily to what documented, the `argparse.REMAINDER |
|
|
|
<https://docs.python.org/3/library/argparse.html#nargs>`_ `nargs` setting |
|
|
|
does not include the remainder arguments if the first one begins with `-`. |
|
|
|
|
|
|
|
This bug is reperted as `17050 <https://bugs.python.org/issue17050>`_. This |
|
|
|
class can be deleted once this bug has been fixed. |
|
|
|
""" |
|
|
|
|
|
|
|
def parse_args(self, args=None, namespace=None): |
|
|
|
if args is None: |
|
|
|
args = sys.argv[1:] |
|
|
|
subcommands = [command[0] for command in set(_iter_subcommands())] |
|
|
|
if len(args) > 0: |
|
|
|
if args[0] in subcommands: |
|
|
|
args = [args[0], "--"] + args[1:] |
|
|
|
|
|
|
|
value = super().parse_args(args, namespace) |
|
|
|
|
|
|
|
if hasattr(value, 'remainder'): |
|
|
|
value.remainder = value.remainder[1:] |
|
|
|
return value |
|
|
|
|
|
|
|
|
|
|
|
def commandline_parser(): |
|
|
|
"""Return a command line parser.""" |
|
|
|
|
|
|
|
parser = ArgumentParser( |
|
|
|
parser = argdispatch.ArgumentParser( |
|
|
|
prog="patatools", |
|
|
|
description=( |
|
|
|
"Miscellaneous tools for patacrep." |
|
|
|
), |
|
|
|
formatter_class=argparse.RawTextHelpFormatter, |
|
|
|
formatter_class=argdispatch.RawTextHelpFormatter, |
|
|
|
) |
|
|
|
|
|
|
|
parser.add_argument( |
|
|
|
@ -96,11 +37,7 @@ def commandline_parser(): |
|
|
|
) |
|
|
|
subparsers.required = True |
|
|
|
subparsers.dest = "subcommand" |
|
|
|
|
|
|
|
for command, message, function in sorted(_iter_subcommands(), key=operator.itemgetter(0)): |
|
|
|
sub1 = subparsers.add_parser(command, help=message, add_help=False) |
|
|
|
sub1.add_argument('remainder', nargs=argparse.REMAINDER) |
|
|
|
sub1.set_defaults(function=function) |
|
|
|
subparsers.add_submodules("patacrep.tools") |
|
|
|
|
|
|
|
return parser |
|
|
|
|
|
|
|
@ -108,9 +45,7 @@ def main(args=None): |
|
|
|
"""Main function""" |
|
|
|
if args is None: |
|
|
|
args = sys.argv |
|
|
|
parser = commandline_parser() |
|
|
|
args = parser.parse_args(args[1:]) |
|
|
|
args.function(["patatools-{}".format(args.subcommand)] + args.remainder) |
|
|
|
commandline_parser().parse_args(args[1:]) |
|
|
|
|
|
|
|
if __name__ == "__main__": |
|
|
|
main() |
|
|
|
|
Louis
8 years ago
