janware/jw-python
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grammar.py et al: Centralize more code

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More code is removed from the special parser directories and centralized
into grammar.py, Cmd.py, and generate-flex-bison.mk.

Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2017-10-29 18:25:55 +01:00
commit 6297f10f55
6 changed files with 210 additions and 177 deletions
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25
tools/python/jwutils/Cmd.py
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@ -4,6 +4,7 @@ import os
import sys
import inspect
import re
import importlib
import Object
import log
@ -29,23 +30,27 @@ class Cmd(Object.Object): # export
r.set_defaults(func=self.run)
return r
def run_sub_commands(description = '', prefix = 'Cmd'): # export
def run_sub_commands(description = '', filter = '^Cmd.*', modules=None): # export
classes = inspect.getmembers(sys.modules["__main__"], inspect.isclass)
parser = argparse.ArgumentParser(usage=os.path.basename(sys.argv[0]) + ' [command] [options]',
formatter_class=argparse.ArgumentDefaultsHelpFormatter, description=description)
parser.add_argument('--log-level', help='Log level', default='notice')
parser.add_argument('--log-flags', help='Log flags', default='stderr,position,prio,color')
subparsers = parser.add_subparsers(title='Available commands', metavar='')
for (name, cls) in classes:
if not re.match('^Cmd.', name):
continue
if inspect.isabstract(cls):
continue
cls().add_parser(subparsers)
args=parser.parse_args()
if modules == None:
modules = [ '__main__' ]
for m in modules:
if m != '__main__':
importlib.import_module(m)
for name, c in inspect.getmembers(sys.modules[m], inspect.isclass):
if not re.match(filter, name):
continue
if inspect.isabstract(c):
continue
c().add_parser(subparsers)
args = parser.parse_args()
log.set_level(args.log_level)
log.set_flags(args.log_flags)
args.func(args)