import os
import pathlib
from urllib.parse import urlparse
def create_redirect(dst):
tpl = '<html><head><meta http-equiv="refresh" content="0; url={0}"><script>window.location.replace("{0}")</script></head></html>'
return tpl.format(dst)
def create_redirects(app, exception):
if exception is not None or not app.builder.name == 'html':
return
for src, dst in app.config.html_redirects:
path = os.path.join(app.outdir, '{0}.html'.format(src))
os.makedirs(os.path.dirname(path), exist_ok=True)
if urlparse(dst).scheme == "":
dst = pathlib.posixpath.relpath(dst, start=os.path.dirname(src))
if not os.path.isfile(os.path.join(os.path.dirname(path), dst)):
raise Exception('{0} does not exitst'.format(dst))
with open(path, 'w') as f:
f.write(create_redirect(dst))
def setup(app):
app.add_config_value('html_redirects', [], '')
app.connect('build-finished', create_redirects)
