mirror of
ssh://git.janware.com/srv/git/janware/proj/jw-python
synced 2026-01-15 18:03:31 +01:00
Jan Lindemann
e48fa1b00a
jwutils.log.set_flags() and .set_level() is not set until after all commands are loaded. This can make debugging complicated. OTOH, command-line parsing is also not done until all commands are loaded, because they define the command line options. This commit adds some poor man's command line parsing for fetching --log-level and --log-flags only, and applying them before the commands are all loaded. Signed-off-by: Jan Lindemann <jan@janware.com>
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
import os
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import sys
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import argparse
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import importlib
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import inspect
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import re
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import pickle
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import asyncio
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import jwutils
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class Cmds: # export
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def __init__(self, description = '', filter = '^Cmd.*', modules=None, eloop=None):
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self.__description = description
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self.__filter = filter
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self.__modules = modules
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default_log_level = jwutils.log.NOTICE
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default_log_flags = 'stderr,position,prio,color'
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# poor man's parsing in the absence of a complete command-line definition
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for i in range(1, len(sys.argv)):
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if i >= len(sys.argv) - 1:
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break
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arg = sys.argv[i]
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if arg == '--log-level':
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i += 1
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default_log_level = sys.argv[i]
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continue
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if arg == '--log-flags':
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default_log_flags = sys.argv[i]
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continue
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jwutils.log.set_flags(default_log_flags)
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jwutils.log.set_level(default_log_level)
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self.__parser = argparse.ArgumentParser(usage=os.path.basename(sys.argv[0]) + ' [command] [options]',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter, description=self.__description)
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self.__parser.add_argument('--log-flags', help='Log flags', default=default_log_flags)
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self.__parser.add_argument('--log-level', help='Log level', default=default_log_level)
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self.eloop = eloop
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self.__own_eloop = False
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if eloop is None:
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self.eloop = asyncio.get_event_loop()
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self.__own_eloop = True
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subparsers = self.__parser.add_subparsers(title='Available commands', metavar='')
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if self.__modules == None:
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self.__modules = [ '__main__' ]
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for m in self.__modules:
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if m != '__main__':
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importlib.import_module(m)
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for name, c in inspect.getmembers(sys.modules[m], inspect.isclass):
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if not re.match(self.__filter, name):
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continue
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if inspect.isabstract(c):
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continue
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cmd = c()
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cmd.cmds = self
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cmd.add_parser(subparsers)
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async def __run(self):
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args = self.__parser.parse_args()
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jwutils.log.set_flags(args.log_flags)
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jwutils.log.set_level(args.log_level)
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return await args.func(args)
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def __del__(self):
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if self.__own_eloop:
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if self.eloop is not None:
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self.eloop.close()
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self.eloop = None
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self.__own_eloop = False
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def parser():
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return self.__parser
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def run(self):
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#return self.__run()
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return self.eloop.run_until_complete(self.__run())
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def run_sub_commands(description = '', filter = '^Cmd.*', modules=None): # export
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cmds = Cmds(description, filter, modules)
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return cmds.run()
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