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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
from optparse import OptionParser
import os
import json
from io import StringIO
try:
import requests
except ImportError:
requests = None
from nikola.plugin_categories import Command
from nikola import utils
class CommandInstallTheme(Command):
"""Start test server."""
name = "install_theme"
def run(self, *args):
"""Install theme into current site."""
if requests is None:
print('To use the install_theme command, you need to install the "requests" package.')
return
parser = OptionParser(usage="nikola %s [options]" % self.name)
parser.add_option("-l", "--list", dest="list",
action="store_true",
help="Show list of available themes.")
parser.add_option("-n", "--name", dest="name",
help="Theme name", default=None)
parser.add_option("-u", "--url", dest="url",
help="URL for the theme repository"
"(default: http://nikola.ralsina.com.ar/themes/index.json)",
default='http://nikola.ralsina.com.ar/themes/index.json')
(options, args) = parser.parse_args(list(args))
listing = options.list
name = options.name
url = options.url
if name is None and not listing:
print("This command needs either the -n 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: %s' % data[name])
zip_file = StringIO()
zip_file.write(requests.get(data[name]).content)
print('Extracting: %s into themes' % name)
utils.extract_all(zip_file)
else:
print("Can't find theme %s" % name)
return False
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