# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2019-11-06 19:09:36
# Node ID 32ac4d0b4102961a47de97beb1f48a518f31357d
# Parent  5f2a8dabb0d80f44913c89ff8540b7771d28a3f7

hghave: add a check for pytype, Google's Python type checker

I'm not unbiased, but I strongly prefer pytype to mypy: it does more
inference, so we don't need as many annontations. In theory we can use
both, but since I'm doing some tinkering with pytype I figured I'd
just try setting it up.

Differential Revision: https://phab.mercurial-scm.org/D7268

diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -1000,3 +1000,11 @@ def has_black():
     version = matchoutput(blackcmd, version_regex)
     sv = distutils.version.StrictVersion
     return version and sv(_strpath(version.group(1))) >= sv('19.10b0')
+
+
+@check('pytype', 'the pytype type checker')
+def has_pytype():
+    pytypecmd = 'pytype --version'
+    version = matchoutput(pytypecmd, b'[0-9a-b.]+')
+    sv = distutils.version.StrictVersion
+    return version and sv(_strpath(version.group(0))) >= sv('2019.10.17')