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# -*- coding: utf-8 -*-
# Copyright © 2012-2022 Roberto Alsina and others.
# 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.
"""Print Nikola version."""
import requests
from nikola.plugin_categories import Command
from nikola import __version__
URL = 'https://pypi.org/pypi/Nikola/json'
class CommandVersion(Command):
"""Print Nikola version."""
name = "version"
doc_usage = "[--check]"
needs_config = False
doc_purpose = "print the Nikola version number"
cmd_options = [
{
'name': 'check',
'long': 'check',
'short': '',
'default': False,
'type': bool,
'help': "Check for new versions.",
}
]
def _execute(self, options={}, args=None):
"""Print the version number."""
print("Nikola v" + __version__)
if options.get('check'):
data = requests.get(URL).json()
pypi_version = data['info']['version']
if pypi_version == __version__:
print("Nikola is up-to-date")
else:
print("The latest version of Nikola is v{0}. Please upgrade "
"using `pip install --upgrade Nikola=={0}` or your "
"system package manager.".format(pypi_version))
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