173 lines
5.3 KiB
Python
173 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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# (The MIT License)
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#
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# Copyright (c) 2014 Kura
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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 THE
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# SOFTWARE.
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from datetime import datetime
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import xml.etree.ElementTree
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import requests
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from .exceptions import HTTPError
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def _get(pypi_server):
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"""
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Query the PyPI RSS feed and return a list
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of XML items.
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"""
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response = requests.get(pypi_server)
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if response.status_code >= 300:
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raise HTTPError(status_code=response.status_code,
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reason=response.reason)
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if hasattr(response.content, 'decode'):
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tree = xml.etree.ElementTree.fromstring(response.content.decode())
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else:
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tree = xml.etree.ElementTree.fromstring(response.content)
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channel = tree.find('channel')
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return channel.findall('item')
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def newest_packages(
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pypi_server="https://pypi.python.org/pypi?%3Aaction=packages_rss"):
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"""
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Constructs a request to the PyPI server and returns a list of
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:class:`yarg.parse.Package`.
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:param pypi_server: (option) URL to the PyPI server.
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>>> import yarg
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>>> yarg.newest_packages()
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[<Package yarg>, <Package gray>, <Package ragy>]
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"""
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items = _get(pypi_server)
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i = []
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for item in items:
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i_dict = {'name': item[0].text.split()[0],
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'url': item[1].text,
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'description': item[3].text,
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'date': item[4].text}
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i.append(Package(i_dict))
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return i
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def latest_updated_packages(
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pypi_server="https://pypi.python.org/pypi?%3Aaction=rss"):
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"""
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Constructs a request to the PyPI server and returns a list of
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:class:`yarg.parse.Package`.
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:param pypi_server: (option) URL to the PyPI server.
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>>> import yarg
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>>> yarg.latest_updated_packages()
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[<Package yarg>, <Package gray>, <Package ragy>]
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"""
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items = _get(pypi_server)
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i = []
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for item in items:
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name, version = item[0].text.split()
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i_dict = {'name': name,
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'version': version,
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'url': item[1].text,
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'description': item[2].text,
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'date': item[3].text}
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i.append(Package(i_dict))
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return i
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class Package(object):
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"""
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A PyPI package generated from the RSS feed information.
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:param pypi_dict: A dictionary retrieved from the PyPI server.
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"""
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def __init__(self, pypi_dict):
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self._content = pypi_dict
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def __repr__(self):
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return "<Package {0}>".format(self.name)
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@property
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def name(self):
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"""
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>>> package = yarg.newest_packages()[0]
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>>> package.name
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u'yarg'
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>>> package = yarg.latest_updated_packages()[0]
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>>> package.name
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u'yarg'
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"""
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return self._content['name']
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@property
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def version(self):
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"""
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>>> package = yarg.newest_packages()[0]
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>>> package.name
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u'yarg'
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>>> package = yarg.latest_updated_packages()[0]
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>>> package.name
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u'yarg'
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"""
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if 'version' not in self._content:
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return None
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return self._content['version']
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@property
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def url(self):
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"""
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This is only available for :meth:`yarg.latest_updated_packages`, for
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:meth:`yarg.newest_packages` will return `None`
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>>> package = yarg.latest_updated_packages()[0]
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>>> package.url
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u'http://pypi.python.org/pypi/yarg'
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"""
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return self._content['url']
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@property
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def date(self):
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"""
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>>> package = yarg.newest_packages()[0]
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>>> package.date
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datetime.datetime(2014, 8, 9, 8, 40, 20)
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>>> package = yarg.latest_updated_packages()[0]
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>>> package.date
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datetime.datetime(2014, 8, 9, 8, 40, 20)
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"""
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return datetime.strptime(self._content['date'],
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"%d %b %Y %H:%M:%S %Z")
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@property
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def description(self):
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"""
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>>> package = yarg.newest_packages()[0]
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>>> package.description
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u'Some random summary stuff'
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>>> package = yarg.latest_updated_packages()[0]
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>>> package.description
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u'Some random summary stuff'
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"""
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return self._content['description']
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