bbf6d9b026
Bugfix for feeds
- removed categories related and up
- load new books now working
- category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
564 lines
20 KiB
Python
564 lines
20 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2009 Facebook
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""A command line parsing module that lets modules define their own options.
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Each module defines its own options which are added to the global
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option namespace, e.g.::
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from tornado.options import define, options
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define("mysql_host", default="127.0.0.1:3306", help="Main user DB")
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define("memcache_hosts", default="127.0.0.1:11011", multiple=True,
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help="Main user memcache servers")
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def connect():
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db = database.Connection(options.mysql_host)
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...
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The ``main()`` method of your application does not need to be aware of all of
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the options used throughout your program; they are all automatically loaded
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when the modules are loaded. However, all modules that define options
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must have been imported before the command line is parsed.
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Your ``main()`` method can parse the command line or parse a config file with
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either::
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tornado.options.parse_command_line()
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# or
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tornado.options.parse_config_file("/etc/server.conf")
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Command line formats are what you would expect (``--myoption=myvalue``).
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Config files are just Python files. Global names become options, e.g.::
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myoption = "myvalue"
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myotheroption = "myothervalue"
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We support `datetimes <datetime.datetime>`, `timedeltas
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<datetime.timedelta>`, ints, and floats (just pass a ``type`` kwarg to
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`define`). We also accept multi-value options. See the documentation for
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`define()` below.
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`tornado.options.options` is a singleton instance of `OptionParser`, and
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the top-level functions in this module (`define`, `parse_command_line`, etc)
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simply call methods on it. You may create additional `OptionParser`
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instances to define isolated sets of options, such as for subcommands.
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.. note::
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By default, several options are defined that will configure the
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standard `logging` module when `parse_command_line` or `parse_config_file`
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are called. If you want Tornado to leave the logging configuration
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alone so you can manage it yourself, either pass ``--logging=none``
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on the command line or do the following to disable it in code::
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from tornado.options import options, parse_command_line
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options.logging = None
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parse_command_line()
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"""
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from __future__ import absolute_import, division, print_function, with_statement
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import datetime
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import numbers
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import re
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import sys
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import os
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import textwrap
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from tornado.escape import _unicode, native_str
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from tornado.log import define_logging_options
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from tornado import stack_context
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from tornado.util import basestring_type, exec_in
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class Error(Exception):
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"""Exception raised by errors in the options module."""
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pass
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class OptionParser(object):
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"""A collection of options, a dictionary with object-like access.
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Normally accessed via static functions in the `tornado.options` module,
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which reference a global instance.
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"""
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def __init__(self):
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# we have to use self.__dict__ because we override setattr.
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self.__dict__['_options'] = {}
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self.__dict__['_parse_callbacks'] = []
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self.define("help", type=bool, help="show this help information",
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callback=self._help_callback)
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def __getattr__(self, name):
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if isinstance(self._options.get(name), _Option):
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return self._options[name].value()
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raise AttributeError("Unrecognized option %r" % name)
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def __setattr__(self, name, value):
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if isinstance(self._options.get(name), _Option):
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return self._options[name].set(value)
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raise AttributeError("Unrecognized option %r" % name)
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def __iter__(self):
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return iter(self._options)
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def __getitem__(self, item):
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return self._options[item].value()
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def items(self):
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"""A sequence of (name, value) pairs.
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.. versionadded:: 3.1
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"""
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return [(name, opt.value()) for name, opt in self._options.items()]
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def groups(self):
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"""The set of option-groups created by ``define``.
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.. versionadded:: 3.1
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"""
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return set(opt.group_name for opt in self._options.values())
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def group_dict(self, group):
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"""The names and values of options in a group.
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Useful for copying options into Application settings::
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from tornado.options import define, parse_command_line, options
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define('template_path', group='application')
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define('static_path', group='application')
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parse_command_line()
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application = Application(
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handlers, **options.group_dict('application'))
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.. versionadded:: 3.1
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"""
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return dict(
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(name, opt.value()) for name, opt in self._options.items()
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if not group or group == opt.group_name)
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def as_dict(self):
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"""The names and values of all options.
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.. versionadded:: 3.1
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"""
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return dict(
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(name, opt.value()) for name, opt in self._options.items())
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def define(self, name, default=None, type=None, help=None, metavar=None,
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multiple=False, group=None, callback=None):
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"""Defines a new command line option.
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If ``type`` is given (one of str, float, int, datetime, or timedelta)
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or can be inferred from the ``default``, we parse the command line
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arguments based on the given type. If ``multiple`` is True, we accept
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comma-separated values, and the option value is always a list.
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For multi-value integers, we also accept the syntax ``x:y``, which
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turns into ``range(x, y)`` - very useful for long integer ranges.
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``help`` and ``metavar`` are used to construct the
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automatically generated command line help string. The help
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message is formatted like::
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--name=METAVAR help string
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``group`` is used to group the defined options in logical
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groups. By default, command line options are grouped by the
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file in which they are defined.
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Command line option names must be unique globally. They can be parsed
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from the command line with `parse_command_line` or parsed from a
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config file with `parse_config_file`.
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If a ``callback`` is given, it will be run with the new value whenever
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the option is changed. This can be used to combine command-line
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and file-based options::
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define("config", type=str, help="path to config file",
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callback=lambda path: parse_config_file(path, final=False))
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With this definition, options in the file specified by ``--config`` will
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override options set earlier on the command line, but can be overridden
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by later flags.
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"""
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if name in self._options:
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raise Error("Option %r already defined in %s" %
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(name, self._options[name].file_name))
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frame = sys._getframe(0)
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options_file = frame.f_code.co_filename
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# Can be called directly, or through top level define() fn, in which
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# case, step up above that frame to look for real caller.
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if (frame.f_back.f_code.co_filename == options_file and
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frame.f_back.f_code.co_name == 'define'):
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frame = frame.f_back
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file_name = frame.f_back.f_code.co_filename
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if file_name == options_file:
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file_name = ""
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if type is None:
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if not multiple and default is not None:
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type = default.__class__
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else:
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type = str
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if group:
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group_name = group
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else:
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group_name = file_name
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self._options[name] = _Option(name, file_name=file_name,
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default=default, type=type, help=help,
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metavar=metavar, multiple=multiple,
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group_name=group_name,
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callback=callback)
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def parse_command_line(self, args=None, final=True):
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"""Parses all options given on the command line (defaults to
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`sys.argv`).
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Note that ``args[0]`` is ignored since it is the program name
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in `sys.argv`.
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We return a list of all arguments that are not parsed as options.
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If ``final`` is ``False``, parse callbacks will not be run.
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This is useful for applications that wish to combine configurations
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from multiple sources.
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"""
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if args is None:
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args = sys.argv
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remaining = []
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for i in range(1, len(args)):
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# All things after the last option are command line arguments
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if not args[i].startswith("-"):
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remaining = args[i:]
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break
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if args[i] == "--":
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remaining = args[i + 1:]
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break
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arg = args[i].lstrip("-")
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name, equals, value = arg.partition("=")
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name = name.replace('-', '_')
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if not name in self._options:
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self.print_help()
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raise Error('Unrecognized command line option: %r' % name)
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option = self._options[name]
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if not equals:
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if option.type == bool:
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value = "true"
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else:
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raise Error('Option %r requires a value' % name)
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option.parse(value)
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if final:
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self.run_parse_callbacks()
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return remaining
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def parse_config_file(self, path, final=True):
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"""Parses and loads the Python config file at the given path.
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If ``final`` is ``False``, parse callbacks will not be run.
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This is useful for applications that wish to combine configurations
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from multiple sources.
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.. versionchanged:: 4.1
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Config files are now always interpreted as utf-8 instead of
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the system default encoding.
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"""
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config = {}
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with open(path, 'rb') as f:
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exec_in(native_str(f.read()), config, config)
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for name in config:
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if name in self._options:
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self._options[name].set(config[name])
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if final:
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self.run_parse_callbacks()
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def print_help(self, file=None):
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"""Prints all the command line options to stderr (or another file)."""
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if file is None:
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file = sys.stderr
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print("Usage: %s [OPTIONS]" % sys.argv[0], file=file)
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print("\nOptions:\n", file=file)
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by_group = {}
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for option in self._options.values():
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by_group.setdefault(option.group_name, []).append(option)
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for filename, o in sorted(by_group.items()):
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if filename:
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print("\n%s options:\n" % os.path.normpath(filename), file=file)
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o.sort(key=lambda option: option.name)
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for option in o:
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prefix = option.name
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if option.metavar:
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prefix += "=" + option.metavar
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description = option.help or ""
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if option.default is not None and option.default != '':
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description += " (default %s)" % option.default
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lines = textwrap.wrap(description, 79 - 35)
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if len(prefix) > 30 or len(lines) == 0:
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lines.insert(0, '')
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print(" --%-30s %s" % (prefix, lines[0]), file=file)
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for line in lines[1:]:
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print("%-34s %s" % (' ', line), file=file)
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print(file=file)
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def _help_callback(self, value):
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if value:
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self.print_help()
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sys.exit(0)
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def add_parse_callback(self, callback):
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"""Adds a parse callback, to be invoked when option parsing is done."""
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self._parse_callbacks.append(stack_context.wrap(callback))
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def run_parse_callbacks(self):
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for callback in self._parse_callbacks:
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callback()
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def mockable(self):
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"""Returns a wrapper around self that is compatible with
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`mock.patch <unittest.mock.patch>`.
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The `mock.patch <unittest.mock.patch>` function (included in
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the standard library `unittest.mock` package since Python 3.3,
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or in the third-party ``mock`` package for older versions of
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Python) is incompatible with objects like ``options`` that
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override ``__getattr__`` and ``__setattr__``. This function
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returns an object that can be used with `mock.patch.object
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<unittest.mock.patch.object>` to modify option values::
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with mock.patch.object(options.mockable(), 'name', value):
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assert options.name == value
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"""
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return _Mockable(self)
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class _Mockable(object):
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"""`mock.patch` compatible wrapper for `OptionParser`.
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As of ``mock`` version 1.0.1, when an object uses ``__getattr__``
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hooks instead of ``__dict__``, ``patch.__exit__`` tries to delete
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the attribute it set instead of setting a new one (assuming that
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the object does not catpure ``__setattr__``, so the patch
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created a new attribute in ``__dict__``).
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_Mockable's getattr and setattr pass through to the underlying
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OptionParser, and delattr undoes the effect of a previous setattr.
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"""
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def __init__(self, options):
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# Modify __dict__ directly to bypass __setattr__
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self.__dict__['_options'] = options
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self.__dict__['_originals'] = {}
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def __getattr__(self, name):
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return getattr(self._options, name)
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def __setattr__(self, name, value):
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assert name not in self._originals, "don't reuse mockable objects"
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self._originals[name] = getattr(self._options, name)
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setattr(self._options, name, value)
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def __delattr__(self, name):
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setattr(self._options, name, self._originals.pop(name))
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class _Option(object):
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UNSET = object()
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def __init__(self, name, default=None, type=basestring_type, help=None,
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metavar=None, multiple=False, file_name=None, group_name=None,
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callback=None):
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if default is None and multiple:
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default = []
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self.name = name
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self.type = type
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self.help = help
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self.metavar = metavar
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self.multiple = multiple
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self.file_name = file_name
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self.group_name = group_name
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self.callback = callback
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self.default = default
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self._value = _Option.UNSET
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def value(self):
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return self.default if self._value is _Option.UNSET else self._value
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def parse(self, value):
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_parse = {
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datetime.datetime: self._parse_datetime,
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datetime.timedelta: self._parse_timedelta,
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bool: self._parse_bool,
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basestring_type: self._parse_string,
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}.get(self.type, self.type)
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if self.multiple:
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self._value = []
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for part in value.split(","):
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if issubclass(self.type, numbers.Integral):
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# allow ranges of the form X:Y (inclusive at both ends)
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lo, _, hi = part.partition(":")
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lo = _parse(lo)
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hi = _parse(hi) if hi else lo
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self._value.extend(range(lo, hi + 1))
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else:
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self._value.append(_parse(part))
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else:
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self._value = _parse(value)
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if self.callback is not None:
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self.callback(self._value)
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return self.value()
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def set(self, value):
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if self.multiple:
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if not isinstance(value, list):
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raise Error("Option %r is required to be a list of %s" %
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(self.name, self.type.__name__))
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for item in value:
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if item is not None and not isinstance(item, self.type):
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raise Error("Option %r is required to be a list of %s" %
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(self.name, self.type.__name__))
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else:
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if value is not None and not isinstance(value, self.type):
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raise Error("Option %r is required to be a %s (%s given)" %
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(self.name, self.type.__name__, type(value)))
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self._value = value
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if self.callback is not None:
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self.callback(self._value)
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# Supported date/time formats in our options
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_DATETIME_FORMATS = [
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"%a %b %d %H:%M:%S %Y",
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"%Y-%m-%d %H:%M:%S",
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"%Y-%m-%d %H:%M",
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"%Y-%m-%dT%H:%M",
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"%Y%m%d %H:%M:%S",
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"%Y%m%d %H:%M",
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"%Y-%m-%d",
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"%Y%m%d",
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"%H:%M:%S",
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"%H:%M",
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]
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def _parse_datetime(self, value):
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for format in self._DATETIME_FORMATS:
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try:
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return datetime.datetime.strptime(value, format)
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except ValueError:
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pass
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raise Error('Unrecognized date/time format: %r' % value)
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_TIMEDELTA_ABBREVS = [
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('hours', ['h']),
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('minutes', ['m', 'min']),
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('seconds', ['s', 'sec']),
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('milliseconds', ['ms']),
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('microseconds', ['us']),
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('days', ['d']),
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('weeks', ['w']),
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]
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_TIMEDELTA_ABBREV_DICT = dict(
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(abbrev, full) for full, abbrevs in _TIMEDELTA_ABBREVS
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for abbrev in abbrevs)
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_FLOAT_PATTERN = r'[-+]?(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][-+]?\d+)?'
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_TIMEDELTA_PATTERN = re.compile(
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r'\s*(%s)\s*(\w*)\s*' % _FLOAT_PATTERN, re.IGNORECASE)
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def _parse_timedelta(self, value):
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try:
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sum = datetime.timedelta()
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start = 0
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while start < len(value):
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m = self._TIMEDELTA_PATTERN.match(value, start)
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if not m:
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raise Exception()
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num = float(m.group(1))
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units = m.group(2) or 'seconds'
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units = self._TIMEDELTA_ABBREV_DICT.get(units, units)
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sum += datetime.timedelta(**{units: num})
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start = m.end()
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return sum
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except Exception:
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raise
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def _parse_bool(self, value):
|
|
return value.lower() not in ("false", "0", "f")
|
|
|
|
def _parse_string(self, value):
|
|
return _unicode(value)
|
|
|
|
|
|
options = OptionParser()
|
|
"""Global options object.
|
|
|
|
All defined options are available as attributes on this object.
|
|
"""
|
|
|
|
|
|
def define(name, default=None, type=None, help=None, metavar=None,
|
|
multiple=False, group=None, callback=None):
|
|
"""Defines an option in the global namespace.
|
|
|
|
See `OptionParser.define`.
|
|
"""
|
|
return options.define(name, default=default, type=type, help=help,
|
|
metavar=metavar, multiple=multiple, group=group,
|
|
callback=callback)
|
|
|
|
|
|
def parse_command_line(args=None, final=True):
|
|
"""Parses global options from the command line.
|
|
|
|
See `OptionParser.parse_command_line`.
|
|
"""
|
|
return options.parse_command_line(args, final=final)
|
|
|
|
|
|
def parse_config_file(path, final=True):
|
|
"""Parses global options from a config file.
|
|
|
|
See `OptionParser.parse_config_file`.
|
|
"""
|
|
return options.parse_config_file(path, final=final)
|
|
|
|
|
|
def print_help(file=None):
|
|
"""Prints all the command line options to stderr (or another file).
|
|
|
|
See `OptionParser.print_help`.
|
|
"""
|
|
return options.print_help(file)
|
|
|
|
|
|
def add_parse_callback(callback):
|
|
"""Adds a parse callback, to be invoked when option parsing is done.
|
|
|
|
See `OptionParser.add_parse_callback`
|
|
"""
|
|
options.add_parse_callback(callback)
|
|
|
|
|
|
# Default options
|
|
define_logging_options(options)
|