Always close files in distutils code and tests (#10252).
diff --git a/Lib/distutils/cygwinccompiler.py b/Lib/distutils/cygwinccompiler.py
index 8504371..95fa3ed 100644
--- a/Lib/distutils/cygwinccompiler.py
+++ b/Lib/distutils/cygwinccompiler.py
@@ -350,11 +350,14 @@
# let's see if __GNUC__ is mentioned in python.h
fn = sysconfig.get_config_h_filename()
try:
- with open(fn) as config_h:
+ config_h = open(fn)
+ try:
if "__GNUC__" in config_h.read():
return CONFIG_H_OK, "'%s' mentions '__GNUC__'" % fn
else:
return CONFIG_H_NOTOK, "'%s' does not mention '__GNUC__'" % fn
+ finally:
+ config_h.close()
except IOError as exc:
return (CONFIG_H_UNCERTAIN,
"couldn't read '%s': %s" % (fn, exc.strerror))