pythonwise / pycfg /

# Simple Python based configuration system

# Usage:
# If this file is in PYTHONPATH, then 'import config'
# Otherwise, something like the following should work (Python 2x)
#    def load_config(path):
#        class _cfg: pass
#        cfg = _cfg()
#        cfg.__file__ = path
#        execfile(path, {}, cfg.__dict__)
#        return cfg

# Overrideable configuration, keep it flat
web_host = 'localhost'
web_port = 8080

# Overriding is easy, just add and write the values you want to
# change. In this example we have only the line 'web_port = 8000' in
    import sys as __sys
    from os.path import dirname as __dirname
    __sys.path.insert(0, __dirname(__file__))

    from config_local import *  # NOQA
except ImportError:  # Catch only ImportError here
    del __sys, __dirname  # Keep namespace clean

# Here's it after overriding, we can construct more Pythonic objects here

web = {
    'host': web_host,
    'port': web_port

# Print configuration, for use in shell scripts
# (e.g. webhost=$(python web_host))

if __name__ == '__main__':
    # Start with _ so they won't show up as configuration key
    from argparse import ArgumentParser as _AP
    _parser = _AP('configuration')
    _parser.add_argument('key', nargs='?', help='configuration key')

    _args = _parser.parse_args()

    env = dict(
        (key, value) for key, value in locals().items() if key[0] != '_')

    if _args.key:
        if _args.key not in env:
            raise SystemExit('error: {} not found'.format(_args.key))
        for key, value in sorted(env.iteritems()):
            print('{}={}'.format(key, value))
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
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