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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
"""Add things to old Pythons so I can pretend they are newer."""
import sys
# imp was deprecated in Python 3.3
try:
import importlib
import importlib.util
imp = None
except ImportError:
importlib = None
# We only want to use importlib if it has everything we need.
try:
importlib_util_find_spec = importlib.util.find_spec
except Exception:
import imp
importlib_util_find_spec = None
def format_local_datetime(dt):
"""Return a string with local timezone representing the date.
If python version is lower than 3.6, the time zone is not included.
"""
try:
return dt.astimezone().strftime('%Y-%m-%d %H:%M %z')
except (TypeError, ValueError):
# Datetime.astimezone in Python 3.5 can not handle naive datetime
return dt.strftime('%Y-%m-%d %H:%M')
def import_local_file(modname, modfile=None):
"""Import a local file as a module.
Opens a file in the current directory named `modname`.py, imports it
as `modname`, and returns the module object. `modfile` is the file to
import if it isn't in the current directory.
"""
try:
import importlib.util as importlib_util
except ImportError:
importlib_util = None
if modfile is None:
modfile = modname + '.py'
if importlib_util:
spec = importlib_util.spec_from_file_location(modname, modfile)
mod = importlib_util.module_from_spec(spec)
sys.modules[modname] = mod
spec.loader.exec_module(mod)
else:
for suff in imp.get_suffixes(): # pragma: part covered
if suff[0] == '.py':
break
with open(modfile, 'r') as f:
# pylint: disable=undefined-loop-variable
mod = imp.load_module(modname, f, modfile, suff)
return mod
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