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# -*- coding: utf-8 -*-
# Copyright © 2012-2015 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.
"""Install a theme."""
from __future__ import print_function
import os
import io
import time
import requests
import pygments
from pygments.lexers import PythonLexer
from pygments.formatters import TerminalFormatter
from nikola.plugin_categories import Command
from nikola import utils
LOGGER = utils.get_logger('install_theme', utils.STDERR_HANDLER)
class CommandInstallTheme(Command):
"""Install a theme."""
name = "install_theme"
doc_usage = "[[-u] theme_name] | [[-u] -l]"
doc_purpose = "install theme into current site"
output_dir = 'themes'
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: "
"https://themes.getnikola.com/v7/themes.json)",
'default': 'https://themes.getnikola.com/v7/themes.json'
},
{
'name': 'getpath',
'short': 'g',
'long': 'get-path',
'type': bool,
'default': False,
'help': "Print the path for installed theme",
},
]
def _execute(self, options, args):
"""Install theme into current site."""
listing = options['list']
url = options['url']
if args:
name = args[0]
else:
name = None
if options['getpath'] and name:
path = utils.get_theme_path(name)
if path:
print(path)
else:
print('not installed')
return 0
if name is None and not listing:
LOGGER.error("This command needs either a theme name or the -l option.")
return False
try:
data = requests.get(url).json()
except requests.exceptions.SSLError:
LOGGER.warning("SSL error, using http instead of https (press ^C to abort)")
time.sleep(1)
url = url.replace('https', 'http', 1)
data = requests.get(url).json()
if listing:
print("Themes:")
print("-------")
for theme in sorted(data.keys()):
print(theme)
return True
else:
# `name` may be modified by the while loop.
origname = name
installstatus = self.do_install(name, data)
# See if the theme's parent is available. If not, install it
while True:
parent_name = utils.get_parent_theme_name(name)
if parent_name is None:
break
try:
utils.get_theme_path(parent_name)
break
except: # Not available
self.do_install(parent_name, data)
name = parent_name
if installstatus:
LOGGER.notice('Remember to set THEME="{0}" in conf.py to use this theme.'.format(origname))
def do_install(self, name, data):
"""Download and install a theme."""
if name in data:
utils.makedirs(self.output_dir)
url = data[name]
LOGGER.info("Downloading '{0}'".format(url))
try:
zip_data = requests.get(url).content
except requests.exceptions.SSLError:
LOGGER.warning("SSL error, using http instead of https (press ^C to abort)")
time.sleep(1)
url = url.replace('https', 'http', 1)
zip_data = requests.get(url).content
zip_file = io.BytesIO()
zip_file.write(zip_data)
LOGGER.info("Extracting '{0}' into themes/".format(name))
utils.extract_all(zip_file)
dest_path = os.path.join(self.output_dir, name)
else:
dest_path = os.path.join(self.output_dir, name)
try:
theme_path = utils.get_theme_path(name)
LOGGER.error("Theme '{0}' is already installed in {1}".format(name, theme_path))
except Exception:
LOGGER.error("Can't find theme {0}".format(name))
return False
confpypath = os.path.join(dest_path, 'conf.py.sample')
if os.path.exists(confpypath):
LOGGER.notice('This theme has a sample config file. Integrate it with yours in order to make this theme work!')
print('Contents of the conf.py.sample file:\n')
with io.open(confpypath, 'r', encoding='utf-8') as fh:
if self.site.colorful:
print(utils.indent(pygments.highlight(
fh.read(), PythonLexer(), TerminalFormatter()),
4 * ' '))
else:
print(utils.indent(fh.read(), 4 * ' '))
return True
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