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# -*- coding: utf-8 -*- |
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# |
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# Copyright (c) 2016 dotzero <[email protected]> |
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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 |
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# in 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 THE |
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# SOFTWARE. |
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"""This module contains a object that represents a BaseResource.""" |
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import sys |
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import json |
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import logging |
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from habrahabr.errors import ApiHandlerError |
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try: |
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# python3 |
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from urllib.request import build_opener, Request, HTTPHandler |
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from urllib.error import HTTPError |
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from urllib.parse import urlencode |
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except ImportError: # pragma: no cover |
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# python2 |
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from urllib2 import build_opener, Request, HTTPHandler, HTTPError |
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from urllib import urlencode |
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log = logging.getLogger(__name__) |
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POST_CONTENT_TYPE = 'application/x-www-form-urlencoded; charset=utf-8' |
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class BaseResource(object): |
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"""Базовый ресурс.""" |
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def __init__(self, auth=None): |
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"""Конструктор BaseResource. |
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:param auth: Экземпляр класса Auth. |
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:rtype: object |
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""" |
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if auth is None: |
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raise ApiHandlerError('Auth handler is not defined') |
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self._auth = auth |
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def _request(self, url, method='GET', data=None): |
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url = self._auth.endpoint + url |
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headers = self._auth.headers |
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if data is not None: |
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data = urlencode(data) |
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if method in ['GET', 'DELETE']: |
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url = url + '?' + data |
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data = None |
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else: |
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headers.update({'Content-Type': POST_CONTENT_TYPE}) |
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if sys.version_info > (3,): # python3 |
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data = data.encode('utf-8') |
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log.debug(method + ' ' + url) |
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log.debug(data) |
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try: |
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opener = build_opener(HTTPHandler) |
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request = Request(url, data=data, headers=headers) |
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request.get_method = lambda: method |
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response = opener.open(request).read() |
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data = self._parse_response(response) |
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except HTTPError as e: |
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log.error(e) |
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data = self._parse_response(e.read()) |
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raise ApiHandlerError('Invalid server response', data) |
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except ValueError as e: |
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log.error(e) |
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raise ApiHandlerError('Invalid server response') |
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return data |
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@staticmethod |
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def _parse_response(response): |
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try: |
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return json.loads(response.decode('utf-8')) |
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except ValueError: |
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return False |
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dotzero /
habrahabr-api-python
