Update docs config: auto-detect version, remove Travis button

- Read version/release from emails.__version__ instead of hardcoded 0.5
- Remove travis_button option from theme configs (Travis CI is no longer used)
- Fix intersphinx_mapping format for modern Sphinx

Author: lavr

docs/conf.py

@@ -1,12 +1,14 @@
 import sys, os
 sys.path.append(os.path.abspath('_themes'))
+sys.path.append(os.path.abspath('..'))
 sys.path.append(os.path.abspath('.'))
 
 from conf_base import *
 from conf_theme_alabaster import *
 
 #from conf_theme_flask import *
 
-version = '0.5'
-release = '0.5.1'
+from emails import __version__ as _emails_version
+version = '.'.join(_emails_version.split('.')[:2])
+release = _emails_version
 html_theme_path = ['_themes', ] + html_theme_path

docs/conf_base.py

@@ -117,7 +117,6 @@
 html_theme_options = {
     'github_user': 'lavr',
     'github_repo': 'python-emails',
-    'travis_button': True
 }
 
 # Theme options are theme-specific and customize the look and feel of a theme
@@ -279,4 +278,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'http://docs.python.org/': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}

docs/conf_theme_alabaster.py

@@ -11,6 +11,5 @@
     'github_user': 'lavr',
     'github_repo': 'python-emails',
     'github_banner': True,
-    'travis_button': True,
     'code_font_size': '0.8em'
 }