pytype: introduce configuration for running pytype

Install pytype and dependencies on Python 3.8 with:
  pip install --upgrade -r pytype_requirements.txt

Checks can then be run with:
  pytype

pytype_requirements.txt

@@ -0,0 +1,10 b''
+# Note: pytype currently only supports Python3.8
+pytype == 2021.1.8
+# optional modules that we want for pytype checking
+appenlight_client
+ipython
+kajiki
+psycopg2
+python-ldap
+python-pam
+tgext.debugbar

.hgignore

@@ -1,58 +1,59 b''
 syntax: glob
 *.pyc
 *.swp
 *.sqlite
 *.tox
 *.egg-info
 *.egg
 *.mo
 *.orig
 *.rej
 *.bak
 .eggs/
 
 syntax: regexp
 ^extensions\.py$
 ^build$
 ^dist$
 ^docs/build$
 ^docs/_build$
 ^data$
 ^sql_dumps$
 ^\.settings$
 ^\.project$
 ^\.pydevproject$
 ^\.coverage$
 ^kallithea/front-end/node_modules$
 ^kallithea/front-end/package-lock\.json$
 ^kallithea/front-end/theme\.less$
 ^kallithea/front-end/tmp$
 ^kallithea/public/codemirror$
 ^kallithea/public/css/select2-spinner\.gif$
 ^kallithea/public/css/select2\.png$
 ^kallithea/public/css/select2x2\.png$
 ^kallithea/public/css/style\.css$
 ^kallithea/public/css/style\.css\.map$
 ^kallithea/public/js/bootstrap\.js$
 ^kallithea/public/js/dataTables\.bootstrap\.js$
 ^kallithea/public/js/jquery\.atwho\.min\.js$
 ^kallithea/public/js/jquery\.caret\.min\.js$
 ^kallithea/public/js/jquery\.dataTables\.js$
 ^kallithea/public/js/jquery\.flot\.js$
 ^kallithea/public/js/jquery\.flot\.selection\.js$
 ^kallithea/public/js/jquery\.flot\.time\.js$
 ^kallithea/public/js/jquery\.min\.js$
 ^kallithea/public/js/select2\.js$
 ^kallithea\.db$
 ^test\.db$
 ^Kallithea\.egg-info$
 ^my\.ini$
 ^fabfile\.py$
 ^\.idea$
 ^\.cache$
 ^\.pytest_cache$
 ^venv$
 /__pycache__$
 ^deps\.dot$
 ^deps\.svg$
 ^deps\.txt$
+^\.pytype/

setup.cfg

@@ -1,37 +1,48 b''
 [egg_info]
 tag_build =
 tag_svn_revision = 0
 tag_date = 0
 
 [aliases]
 test = pytest
 
 [compile_catalog]
 domain = kallithea
 directory = kallithea/i18n
 statistics = true
 
 [extract_messages]
 add_comments = TRANSLATORS:
 output_file = kallithea/i18n/kallithea.pot
 msgid-bugs-address = [e-mail]
 copyright-holder = Various authors, licensing as GPLv3
 
 [init_catalog]
 domain = kallithea
 input_file = kallithea/i18n/kallithea.pot
 output_dir = kallithea/i18n
 
 [update_catalog]
 domain = kallithea
 input_file = kallithea/i18n/kallithea.pot
 output_dir = kallithea/i18n
 previous = true
 
 [build_sphinx]
 source-dir = docs/
 build-dir = docs/_build
 all_files = 1
 
 [upload_sphinx]
 upload-dir = docs/_build/html
+
+[pytype]
+inputs =
+    kallithea
+    setup.py
+exclude =
+    **/test_*.py
+disable =
+    pyi-error
+keep_going = True
+#jobs = 3