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# Copyright (c) 2012 Roberto Alsina y otros.
# 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 __future__ import print_function
import os
import json
from io import BytesIO
try:
import requests
except ImportError:
requests = None # NOQA
from nikola.plugin_categories import Command
from nikola import utils
class CommandInstallTheme(Command):
"""Start test server."""
name = "install_theme"
doc_usage = "[[-u] theme_name] | [[-u] -l]"
doc_purpose = "Install theme into current site."
cmd_options = [
{
'name': 'list',
'short': 'l',
'long': 'list',
'type': bool,
'default': False,
'help': 'Show list of available themes.'
},
{
'name': 'url',
'short': 'u',
'long': 'url',
'type': str,
'help': "URL for the theme repository (default: "
"http://nikola.ralsina.com.ar/themes/index.json)",
'default': 'http://nikola.ralsina.com.ar/themes/index.json'
},
]
def _execute(self, options, args):
"""Install theme into current site."""
if requests is None:
print('This command requires the requests package be installed.')
return False
listing = options['list']
url = options['url']
if args:
name = args[0]
else:
name = None
if name is None and not listing:
print("This command needs either a theme name or the -l option.")
return False
data = requests.get(url).text
data = json.loads(data)
if listing:
print("Themes:")
print("-------")
for theme in sorted(data.keys()):
print(theme)
return True
else:
if name in data:
if os.path.isfile("themes"):
raise IOError("'themes' isn't a directory!")
elif not os.path.isdir("themes"):
try:
os.makedirs("themes")
except:
raise OSError("mkdir 'theme' error!")
print('Downloading: ' + data[name])
zip_file = BytesIO()
zip_file.write(requests.get(data[name]).content)
print('Extracting: {0} into themes'.format(name))
utils.extract_all(zip_file)
else:
print("Can't find theme " + name)
return False
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