mirror of
https://github.com/SickGear/SickGear.git
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e56303798c
Initial SickGear for Python 3.
163 lines
5.3 KiB
Python
163 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import re
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import io
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import os
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from .ConfigBase import ConfigBase
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from ..common import ConfigFormat
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from ..AppriseLocale import gettext_lazy as _
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class ConfigFile(ConfigBase):
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"""
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A wrapper for File based configuration sources
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"""
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# The default descriptive name associated with the service
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service_name = _('Local File')
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# The default protocol
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protocol = 'file'
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def __init__(self, path, **kwargs):
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"""
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Initialize File Object
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headers can be a dictionary of key/value pairs that you want to
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additionally include as part of the server headers to post with
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"""
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super(ConfigFile, self).__init__(**kwargs)
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# Store our file path as it was set
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self.path = os.path.expanduser(path)
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return
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def url(self, privacy=False, *args, **kwargs):
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"""
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Returns the URL built dynamically based on specified arguments.
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"""
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# Prepare our cache value
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if isinstance(self.cache, bool) or not self.cache:
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cache = 'yes' if self.cache else 'no'
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else:
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cache = int(self.cache)
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# Define any arguments set
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args = {
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'encoding': self.encoding,
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'cache': cache,
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}
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if self.config_format:
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# A format was enforced; make sure it's passed back with the url
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args['format'] = self.config_format
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return 'file://{path}{args}'.format(
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path=self.quote(self.path),
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args='?{}'.format(self.urlencode(args)) if args else '',
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)
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def read(self, **kwargs):
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"""
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Perform retrieval of the configuration based on the specified request
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"""
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response = None
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path = os.path.expanduser(self.path)
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try:
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if self.max_buffer_size > 0 and \
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os.path.getsize(path) > self.max_buffer_size:
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# Content exceeds maximum buffer size
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self.logger.error(
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'File size exceeds maximum allowable buffer length'
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' ({}KB).'.format(int(self.max_buffer_size / 1024)))
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return None
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except OSError:
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# getsize() can throw this acception if the file is missing
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# and or simply isn't accessible
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self.logger.error(
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'File is not accessible: {}'.format(path))
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return None
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# Always call throttle before any server i/o is made
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self.throttle()
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try:
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# Python 3 just supports open(), however to remain compatible with
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# Python 2, we use the io module
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with io.open(path, "rt", encoding=self.encoding) as f:
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# Store our content for parsing
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response = f.read()
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except (ValueError, UnicodeDecodeError):
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# A result of our strict encoding check; if we receive this
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# then the file we're opening is not something we can
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# understand the encoding of..
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self.logger.error(
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'File not using expected encoding ({}) : {}'.format(
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self.encoding, path))
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return None
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except (IOError, OSError):
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# IOError is present for backwards compatibility with Python
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# versions older then 3.3. >= 3.3 throw OSError now.
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# Could not open and/or read the file; this is not a problem since
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# we scan a lot of default paths.
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self.logger.error(
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'File can not be opened for read: {}'.format(path))
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return None
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# Return our response object
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return response
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@staticmethod
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def parse_url(url):
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"""
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Parses the URL so that we can handle all different file paths
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and return it as our path object
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"""
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results = ConfigBase.parse_url(url, verify_host=False)
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if not results:
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# We're done early; it's not a good URL
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return results
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match = re.match(r'file://(?P<path>[^?]+)(\?.*)?', url, re.I)
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if not match:
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return None
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results['path'] = ConfigFile.unquote(match.group('path'))
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return results
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