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from optparse import OptionParser
import os
import urllib2
import json
from io import StringIO
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."""
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 = urllib2.urlopen(url).read()
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(urllib2.urlopen(data[name]).read())
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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