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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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import re |
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import sys |
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import os |
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import os.path |
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import argparse |
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import warnings |
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import flask |
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from . import app, compat |
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from . import __meta__ as meta |
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from .compat import PY_LEGACY, getdebug, get_terminal_size |
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from .transform.glob import translate |
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class HelpFormatter(argparse.RawTextHelpFormatter): |
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def __init__(self, prog, indent_increment=2, max_help_position=24, |
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width=None): |
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if width is None: |
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try: |
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width = get_terminal_size().columns - 2 |
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except ValueError: # https://bugs.python.org/issue24966 |
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pass |
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super(HelpFormatter, self).__init__( |
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prog, indent_increment, max_help_position, width) |
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class PluginAction(argparse.Action): |
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def __call__(self, parser, namespace, value, option_string=None): |
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warned = '%s_warning' % self.dest |
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if ',' in value and not getattr(namespace, warned, False): |
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setattr(namespace, warned, True) |
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warnings.warn( |
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'Comma-separated --plugin value is deprecated, ' |
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'use multiple --plugin options instead.' |
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) |
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values = value.split(',') |
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prev = getattr(namespace, self.dest, None) |
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if isinstance(prev, list): |
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values = prev + [p for p in values if p not in prev] |
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setattr(namespace, self.dest, values) |
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class ArgParse(argparse.ArgumentParser): |
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default_directory = os.path.abspath(compat.getcwd()) |
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default_host = os.getenv('BROWSEPY_HOST', '127.0.0.1') |
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default_port = os.getenv('BROWSEPY_PORT', '8080') |
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plugin_action_class = PluginAction |
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defaults = { |
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'prog': meta.app, |
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'formatter_class': HelpFormatter, |
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'description': 'description: starts a %s web file browser' % meta.app |
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} |
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def __init__(self, sep=os.sep): |
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super(ArgParse, self).__init__(**self.defaults) |
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self.add_argument( |
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'host', nargs='?', |
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default=self.default_host, |
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help='address to listen (default: %(default)s)') |
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self.add_argument( |
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'port', nargs='?', type=int, |
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default=self.default_port, |
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help='port to listen (default: %(default)s)') |
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self.add_argument( |
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'--directory', metavar='PATH', type=self._directory, |
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default=self.default_directory, |
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help='serving directory (default: current path)') |
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self.add_argument( |
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'--initial', metavar='PATH', |
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type=lambda x: self._directory(x) if x else None, |
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help='default directory (default: same as --directory)') |
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self.add_argument( |
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'--removable', metavar='PATH', type=self._directory, |
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default=None, |
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help='base directory allowing remove (default: none)') |
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self.add_argument( |
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'--upload', metavar='PATH', type=self._directory, |
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default=None, |
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help='base directory allowing upload (default: none)') |
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self.add_argument( |
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'--exclude', metavar='PATTERN', |
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action='append', |
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default=[], |
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help='exclude paths by pattern (multiple)') |
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self.add_argument( |
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'--exclude-from', metavar='PATH', type=self._file, |
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action='append', |
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default=[], |
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help='exclude paths by pattern file (multiple)') |
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self.add_argument( |
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'--plugin', metavar='MODULE', |
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action=self.plugin_action_class, |
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default=[], |
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help='load plugin module (multiple)') |
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self.add_argument( |
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'--debug', action='store_true', |
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help=argparse.SUPPRESS) |
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def _path(self, arg): |
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if PY_LEGACY and hasattr(sys.stdin, 'encoding'): |
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encoding = sys.stdin.encoding or sys.getdefaultencoding() |
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arg = arg.decode(encoding) |
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return os.path.abspath(arg) |
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def _file(self, arg): |
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path = self._path(arg) |
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if os.path.isfile(path): |
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return path |
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self.error('%s is not a valid file' % arg) |
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def _directory(self, arg): |
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path = self._path(arg) |
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if os.path.isdir(path): |
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return path |
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self.error('%s is not a valid directory' % arg) |
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def create_exclude_fnc(patterns, base, sep=os.sep): |
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if patterns: |
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regex = '|'.join(translate(pattern, sep, base) for pattern in patterns) |
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return re.compile(regex).search |
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return None |
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def collect_exclude_patterns(paths): |
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patterns = [] |
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for path in paths: |
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with open(path, 'r') as f: |
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for line in f: |
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line = line.split('#')[0].strip() |
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if line: |
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patterns.append(line) |
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return patterns |
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def main(argv=sys.argv[1:], app=app, parser=ArgParse, run_fnc=flask.Flask.run): |
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plugin_manager = app.extensions['plugin_manager'] |
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args = plugin_manager.load_arguments(argv, parser()) |
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patterns = args.exclude + collect_exclude_patterns(args.exclude_from) |
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if args.debug: |
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os.environ['DEBUG'] = 'true' |
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app.config.update( |
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directory_base=args.directory, |
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directory_start=args.initial or args.directory, |
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directory_remove=args.removable, |
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directory_upload=args.upload, |
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plugin_modules=args.plugin, |
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exclude_fnc=create_exclude_fnc(patterns, args.directory) |
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) |
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plugin_manager.reload() |
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run_fnc( |
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app, |
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host=args.host, |
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port=args.port, |
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debug=getdebug(), |
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use_reloader=False, |
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threaded=True |
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) |
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if __name__ == '__main__': |
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main() |
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ergoithz /
browsepy
