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# -*- coding: utf-8 -*-
# (The MIT License)
#
# Copyright (c) 2014 Kura
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from datetime import datetime
import xml.etree.ElementTree
import requests
from .exceptions import HTTPError
def _get(pypi_server):
"""
Query the PyPI RSS feed and return a list
of XML items.
"""
response = requests.get(pypi_server)
if response.status_code >= 300:
raise HTTPError(status_code=response.status_code,
reason=response.reason)
if hasattr(response.content, 'decode'):
tree = xml.etree.ElementTree.fromstring(response.content.decode())
else:
tree = xml.etree.ElementTree.fromstring(response.content)
channel = tree.find('channel')
return channel.findall('item')
def newest_packages(
pypi_server="https://pypi.python.org/pypi?%3Aaction=packages_rss"):
"""
Constructs a request to the PyPI server and returns a list of
:class:`yarg.parse.Package`.
:param pypi_server: (option) URL to the PyPI server.
>>> import yarg
>>> yarg.newest_packages()
[<Package yarg>, <Package gray>, <Package ragy>]
"""
items = _get(pypi_server)
i = []
for item in items:
i_dict = {'name': item[0].text.split()[0],
'url': item[1].text,
'description': item[3].text,
'date': item[4].text}
i.append(Package(i_dict))
return i
def latest_updated_packages(
pypi_server="https://pypi.python.org/pypi?%3Aaction=rss"):
"""
Constructs a request to the PyPI server and returns a list of
:class:`yarg.parse.Package`.
:param pypi_server: (option) URL to the PyPI server.
>>> import yarg
>>> yarg.latest_updated_packages()
[<Package yarg>, <Package gray>, <Package ragy>]
"""
items = _get(pypi_server)
i = []
for item in items:
name, version = item[0].text.split()
i_dict = {'name': name,
'version': version,
'url': item[1].text,
'description': item[2].text,
'date': item[3].text}
i.append(Package(i_dict))
return i
class Package(object):
"""
A PyPI package generated from the RSS feed information.
:param pypi_dict: A dictionary retrieved from the PyPI server.
"""
def __init__(self, pypi_dict):
self._content = pypi_dict
def __repr__(self):
return "<Package {0}>".format(self.name)
@property
def name(self):
"""
>>> package = yarg.newest_packages()[0]
>>> package.name
'yarg'
>>> package = yarg.latest_updated_packages()[0]
>>> package.name
'yarg'
"""
return self._content['name']
@property
def version(self):
"""
>>> package = yarg.newest_packages()[0]
>>> package.name
'yarg'
>>> package = yarg.latest_updated_packages()[0]
>>> package.name
'yarg'
"""
if 'version' not in self._content:
return None
return self._content['version']
@property
def url(self):
"""
This is only available for :meth:`yarg.latest_updated_packages`, for
:meth:`yarg.newest_packages` will return `None`
>>> package = yarg.latest_updated_packages()[0]
>>> package.url
'http://pypi.python.org/pypi/yarg'
"""
return self._content['url']
@property
def date(self):
"""
>>> package = yarg.newest_packages()[0]
>>> package.date
datetime.datetime(2014, 8, 9, 8, 40, 20)
>>> package = yarg.latest_updated_packages()[0]
>>> package.date
datetime.datetime(2014, 8, 9, 8, 40, 20)
"""
return datetime.strptime(self._content['date'],
"%d %b %Y %H:%M:%S %Z")
@property
def description(self):
"""
>>> package = yarg.newest_packages()[0]
>>> package.description
'Some random summary stuff'
>>> package = yarg.latest_updated_packages()[0]
>>> package.description
'Some random summary stuff'
"""
return self._content['description']
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