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"""
Compatibility hacks for the argparse-manpage project.
"""
import os
import sys
import time
import datetime
try:
import datetime.timezone
_TZ_ARGS = [datetime.timezone.utc]
except ImportError:
_TZ_ARGS = []
# Drop once Python 2.7 is dropped
# pylint: disable=unused-import
try:
from configparser import ConfigParser, NoSectionError
except ImportError:
from ConfigParser import SafeConfigParser as ConfigParser, NoSectionError # type: ignore
if sys.version_info < (3, 0):
import imp # pylint: disable=deprecated-module
def load_py_file(filename):
""" Small wrapper having the same call arg list as runpy.run_path() """
return imp.load_source("argparse_manpage_loaded_file", filename)
else:
from runpy import run_path as load_py_file
def get_module_object(module_or_dict, objname, objtype):
"""
Get OBJNAME from a given MODULE (or dict, if loaded using runpy.run_path(),
but call the object first if OBJTYPE is 'function'.
"""
obj = None
if isinstance(module_or_dict, dict):
obj = module_or_dict[objname]
else:
obj = getattr(module_or_dict, objname)
if objtype != 'object':
obj = obj()
return obj
def load_file_as_module(filename):
"""
Load a given python filename as a dict (runpy on Python 3) or as a module
(imp module, Python 2). Note that 'runpy.run_path()' doesn't work correctly
with Python 2.7 (the imported object doesn't see it's own globals/imported
modules), and 'imp' module is deprecated for modern Python 3.
"""
# We used to call 'runpy.run_path()' here, but that did not work correctly
# with Python 2.7 where the imported object did not see it's own
# globals/imported modules (including the 'argparse' module).
return load_py_file(filename)
def get_reproducible_date():
"""
Return current datetime string, but respect SOURCE_DATE_EPOCH environment
variable if specified.
"""
return datetime.datetime.fromtimestamp(
int(os.environ.get('SOURCE_DATE_EPOCH', time.time())),
*_TZ_ARGS).strftime('%Y-%m-%d')
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