Prepare migration to monorepo

proteus/doc/conf.py

@@ -1,12 +1,19 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 
-modules_url = 'https://docs.tryton.org/projects/modules-{module}/en/{series}/'
-trytond_url = 'https://docs.tryton.org/projects/server/en/{series}/'
+import os
+
+base_url = os.environ.get('DOC_BASE_URL')
+if base_url:
+    modules_url = base_url + '/modules-{module}/'
+    trytond_url = base_url + '/server/'
+else:
+    modules_url = (
+        'https://docs.tryton.org/projects/modules-{module}/en/{series}/')
+    trytond_url = 'https://docs.tryton.org/projects/server/en/{series}/'
 
 
 def get_info():
-    import os
     import subprocess
     import sys
 
@@ -38,5 +45,12 @@ project = info['name']
 release = version = info['series']
 default_role = 'ref'
 highlight_language = 'none'
+extensions = [
+    'sphinx.ext.intersphinx',
+    ]
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/', None),
+    }
+linkcheck_ignore = [r'/.*', r'https://demo.tryton.org/*']
 
-del get_info, info, modules_url, trytond_url
+del get_info, info, base_url, modules_url, trytond_url