def GetTimeZone(name): """Returns a datetime.tzinfo object for name. Args: name: A timezone name string, None for the local timezone. Returns: A datetime.tzinfo object for name, local timezone if name is unknown. """ if name in ('UTC', 'Z'): return UTC name = times_data.ABBREVIATION_TO_IANA.get(name, name) tzinfo = tz.gettz(name) if not tzinfo and tzwin: name = times_data.IANA_TO_WINDOWS.get(name, name) try: tzinfo = tzwin.tzwin(name) except WindowsError: # pylint: disable=undefined-variable pass return tzinfo
def gettz(name=None): tz = None if not name: try: name = os.environ["TZ"] except KeyError: pass if name is None or name == ":": for filepath in TZFILES: if not os.path.isabs(filepath): filename = filepath for path in TZPATHS: filepath = os.path.join(path, filename) if os.path.isfile(filepath): break else: continue if os.path.isfile(filepath): try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: if name.startswith(":"): name = name[:-1] if os.path.isabs(name): if os.path.isfile(name): tz = tzfile(name) else: tz = None else: for path in TZPATHS: filepath = os.path.join(path, name) if not os.path.isfile(filepath): filepath = filepath.replace(' ','_') if not os.path.isfile(filepath): continue try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: tz = None if tzwin: try: tz = tzwin(name) except OSError: pass if not tz: from dateutil.zoneinfo import gettz tz = gettz(name) if not tz: for c in name: # name must have at least one offset to be a tzstr if c in "0123456789": try: tz = tzstr(name) except ValueError: pass break else: if name in ("GMT", "UTC"): tz = tzutc() elif name in time.tzname: tz = tzlocal() return tz
def testOffset(self): tz = tzwin.tzwin("Cape Verde Standard Time") self.assertEqual(tz.utcoffset(datetime(1995, 5, 21, 12, 9, 13)), timedelta(-1, 82800))
def testIsdstZoneWithNoDaylightSaving(self): tz = tzwin.tzwin("UTC") dt = parse("2013-03-06 19:08:15") self.assertFalse(tz._isdst(dt))
def gettz(name=None): tz = None if not name: try: name = os.environ["TZ"] except KeyError: pass if name is None or name == ":": for filepath in TZFILES: if not os.path.isabs(filepath): filename = filepath for path in TZPATHS: filepath = os.path.join(path, filename) if os.path.isfile(filepath): break else: continue if os.path.isfile(filepath): try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: tz = tzlocal() else: if name.startswith(":"): name = name[:-1] if os.path.isabs(name): if os.path.isfile(name): tz = tzfile(name) else: tz = None else: for path in TZPATHS: filepath = os.path.join(path, name) if not os.path.isfile(filepath): filepath = filepath.replace(' ', '_') if not os.path.isfile(filepath): continue try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: tz = None if tzwin is not None: try: tz = tzwin(name) except WindowsError: tz = None if not tz: try: # GOOGLE from dateutil.zoneinfo import gettz tz = gettz(name) except ImportError: # GOOGLE logging.info('dateutil.zoneinfo module not available;' ' using system TZ database.') logging.info( 'Add "//third_party/py/dateutil:zoneinfo"' ' to your deps if you need your own copy.') if not tz: for c in name: # name must have at least one offset to be a tzstr if c in "0123456789": try: tz = tzstr(name) except ValueError: pass break else: if name in ("GMT", "UTC"): tz = tzutc() elif name in time.tzname: tz = tzlocal() return tz
def gettz(name=None): tz = None if not name: try: name = os.environ["TZ"] except KeyError: pass if name is None or name == ":": for filepath in TZFILES: if not os.path.isabs(filepath): filename = filepath for path in TZPATHS: filepath = os.path.join(path, filename) if os.path.isfile(filepath): break else: continue if os.path.isfile(filepath): try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: tz = tzlocal() else: if name.startswith(":"): name = name[:-1] if os.path.isabs(name): if os.path.isfile(name): tz = tzfile(name) else: tz = None else: for path in TZPATHS: filepath = os.path.join(path, name) if not os.path.isfile(filepath): filepath = filepath.replace(' ', '_') if not os.path.isfile(filepath): continue try: tz = tzfile(filepath) break except (IOError, OSError, ValueError): pass else: tz = None if tzwin is not None: try: tz = tzwin(name) except WindowsError: tz = None if not tz: try: # GOOGLE from dateutil.zoneinfo import gettz tz = gettz(name) except ImportError: # GOOGLE logging.info('dateutil.zoneinfo module not available;' ' using system TZ database.') logging.info('Add "//third_party/py/dateutil:zoneinfo"' ' to your deps if you need your own copy.') if not tz: for c in name: # name must have at least one offset to be a tzstr if c in "0123456789": try: tz = tzstr(name) except ValueError: pass break else: if name in ("GMT", "UTC"): tz = tzutc() elif name in time.tzname: tz = tzlocal() return tz