diff options
| -rw-r--r-- | src/pytz/__init__.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/pytz/__init__.py b/src/pytz/__init__.py index c25a1d1..58a678f 100644 --- a/src/pytz/__init__.py +++ b/src/pytz/__init__.py @@ -111,6 +111,13 @@ def open_resource(name): def resource_exists(name): """Return true if the given resource exists""" try: + if os.environ.get('PYTZ_SKIPEXISTSCHECK', ''): + # In "standard" distributions, we can assume that + # all the listed timezones are present. As an + # import-speed optimization, you can set the + # PYTZ_SKIPEXISTSCHECK flag to skip checking + # for the presence of the resource file on disk. + return True open_resource(name).close() return True except IOError: |