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|
import builtins
import datetime
import decimal
from http import client as http_client
import pytz
import re
try:
import dateutil.parser
except ImportError:
dateutil = None # noqa
date_re = r'(?P<year>-?\d{4,})-(?P<month>\d{2})-(?P<day>\d{2})'
time_re = r'(?P<hour>\d{2}):(?P<min>\d{2}):(?P<sec>\d{2})' + \
r'(\.(?P<sec_frac>\d+))?'
tz_re = r'((?P<tz_sign>[+-])(?P<tz_hour>\d{2}):(?P<tz_min>\d{2}))' + \
r'|(?P<tz_z>Z)'
datetime_re = re.compile(
'%sT%s(%s)?' % (date_re, time_re, tz_re))
date_re = re.compile(date_re)
time_re = re.compile('%s(%s)?' % (time_re, tz_re))
if hasattr(builtins, '_'):
_ = builtins._
else:
def _(s):
return s
def parse_isodate(value):
m = date_re.match(value)
if m is None:
raise ValueError("'%s' is not a legal date value" % (value))
try:
return datetime.date(
int(m.group('year')),
int(m.group('month')),
int(m.group('day')))
except ValueError:
raise ValueError("'%s' is a out-of-range date" % (value))
def parse_isotime(value):
m = time_re.match(value)
if m is None:
raise ValueError("'%s' is not a legal time value" % (value))
try:
ms = 0
if m.group('sec_frac') is not None:
f = decimal.Decimal('0.' + m.group('sec_frac'))
f = str(f.quantize(decimal.Decimal('0.000001')))
ms = int(f[2:])
tz = _parse_tzparts(m.groupdict())
return datetime.time(
int(m.group('hour')),
int(m.group('min')),
int(m.group('sec')),
ms,
tz)
except ValueError:
raise ValueError("'%s' is a out-of-range time" % (value))
def parse_isodatetime(value):
if dateutil:
return dateutil.parser.parse(value)
m = datetime_re.match(value)
if m is None:
raise ValueError("'%s' is not a legal datetime value" % (value))
try:
ms = 0
if m.group('sec_frac') is not None:
f = decimal.Decimal('0.' + m.group('sec_frac'))
f = f.quantize(decimal.Decimal('0.000001'))
ms = int(str(f)[2:])
tz = _parse_tzparts(m.groupdict())
return datetime.datetime(
int(m.group('year')),
int(m.group('month')),
int(m.group('day')),
int(m.group('hour')),
int(m.group('min')),
int(m.group('sec')),
ms,
tz)
except ValueError:
raise ValueError("'%s' is a out-of-range datetime" % (value))
def _parse_tzparts(parts):
if 'tz_z' in parts and parts['tz_z'] == 'Z':
return pytz.UTC
if 'tz_min' not in parts or not parts['tz_min']:
return None
tz_minute_offset = (int(parts['tz_hour']) * 60 + int(parts['tz_min']))
tz_multiplier = -1 if parts['tz_sign'] == '-' else 1
return pytz.FixedOffset(tz_multiplier * tz_minute_offset)
def is_valid_code(code_value):
"""
This function checks if incoming value in http response codes range.
"""
return code_value in http_client.responses
def is_client_error(code):
""" Checks client error code (RFC 2616)."""
return 400 <= code < 500
try:
from collections import OrderedDict
except ImportError:
from ordereddict import OrderedDict # noqa
|
