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How to use parse_iso8601_time method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

iso8601.py

Source:iso8601.py

1# -*- python -*-2# Handling full ISO 8601:2019 datetime string.3#4# https://github.com/yoiwa-personal/python-iso8601-full/5#6# Copyright 2019 Yutaka OIWA <yutaka@oiwa.jp>.7#8# Licensed under the Apache License, Version 2.0 (the "License");9# you may not use this file except in compliance with the License.10# You may obtain a copy of the License at11#12#     http://www.apache.org/licenses/LICENSE-2.013#14# Unless required by applicable law or agreed to in writing, software15# distributed under the License is distributed on an "AS IS" BASIS,16# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.17# See the License for the specific language governing permissions and18# limitations under the License.19# This modules handles rarely-used uncommon variations of date20# representation strings defined in ISO 8601:2019.21#22# See also rfc3339.py for simple, commonly-used subset of this format.23# It is licensed with CC0 (dedicated to public domain).24"""Handling full ISO 8601:2019 datetime string.25The module parses complex date/time representation strings formatted26according to ISO 8601:2019.27It accepts all format of date/time specifications defined in the ISO28standard, for example:29   * An usual day-of month:        2019-12-12 or 2019121230   * A day-of-year notation:       2019-346   or 201934631   * A day-of-week notation:       2019-W50-4 or 2019W50432   * Abbreviated period of days:   2019-12, 2019, 20 etc.33   * Extended notion of years:     +002019-12-12, -0004-12-2534   * A sub-second time notation:    12:34:56.78 or 123456.7835   * Abbreviated period of times:   12, 12:3436   * Those with sub-unit fractions: 12.5, 12:34.567837   * Variable decimal separator:    12:34:56,7838   * Combined date-time: 2019-12-12T12:34.539   * Timezone offsets: 2019-12-12T12:34.5+09, 20191212T123430+090040Provided functions are 'parse_ISO8601_date', 'parse_ISO8601_time',41'parse_ISO8601_datetime'.42Note: It does not accept obsolete formats (e.g. 2-digit year like4319-12-12 or 191212) defined in ISO 8601:1999.44"""45__author__ = 'Yutaka OIWA <yutaka@oiwa.jp>'46__all__ = ['parse_ISO8601_date', 'parse_ISO8601_time', 'parse_ISO8601_datetime']47import re48import datetime as datetime_49from datetime import timedelta50_zerodelta = timedelta(0)51_single_sec = timedelta(seconds=1)52_single_day = timedelta(days=1)53try:54    from datetime import timezone55    _timezone_utc = timezone.utc56except ImportError:57    class timezone(datetime_.tzinfo):58        def __init__(self, ofs):59            self.__offset = ofs60            self.__name = self._compute_name(ofs)61        def utcoffset(self, dt): return self.__offset62        def tzname(self, dt): return self.__name63        def dst(self, dt): return _zerodelta64        @classmethod65        def _compute_name(self, ofs):66            # minimal implementation!67            sg, s = 1, ofs.seconds + ofs.days * 8640068            if s < 0: (sg, s) = (-1, -s) # needed for -03:30 timezone69            s //= 6070            h, m = (s // 60, s % 60)71            return "UTC%+03d:%02d" % (h * sg, m)72    _timezone_utc = timezone(_zerodelta)73from datetime import datetime, date, time74datepart = (r"""(?x:(?P<EXT>-?)75                   (?:(?P<M>[01]\d)(?P=EXT)(?P<D>[0-3]\d)76                      |(?P<YD>[0-3]\d\d)77                      |[Ww](?P<W>[0-5]\d)(?:(?P=EXT)(?P<WD>[1-7]))?)78                 |-(?P<MO>[01]\d))""")79yearpart = r"""(?P<CY>\d\d)"""80centurypart_tmpl = r"""(?P<C>(?:[+-]\d{%d,}?)?\d\d)"""81date_regex_num = lambda n: re.compile("\A" + (centurypart_tmpl % n) +82                                      "(?:" + yearpart + "(?:" + datepart + ")?)?\Z")83date_regex = date_regex_num(0)84date_regexs = {}85def parse_date_to_tuple(s, digits_year_ext=4):86    if digits_year_ext <= 4:87        r = date_regex88    elif digits_year_ext in date_regexs:89        r = date_regexs[digits_year_ext]90    else:91        r = date_regexs[digits_year_ext] = date_regex_num(digits_year_ext - 4)92    m = r.match(s)93    if not m:94        raise ValueError("invalid date string")95    m = m.groupdict()96    if m["D"] is not None:97        return ("day", int(m["C"] + m["CY"]), int(m["M"]), int(m["D"]))98    elif m["YD"] is not None:99        return ("day-year", int(m["C"] + m["CY"]), int(m["YD"]))100    elif m["WD"] is not None:101        return ("day-week", int(m["C"] + m["CY"]), int(m["W"]), int(m["WD"]))102    elif m["W"] is not None:103        return ("week", int(m["C"] + m["CY"]), int(m["W"]))104    elif m["MO"] is not None:105        return ("month", int(m["C"] + m["CY"]), int(m["MO"]))106    elif m["CY"] is not None:107        return ("year", int(m["C"] + m["CY"]))108    elif m["C"] is not None:109        return ("century", int(m["C"]))110    else:111        return False112_get = lambda l, i, d: l[i] if len(l) > i else d113def date_tuple_to_start(m, digits_year_ext=4):114    if m[0] in ("day", "month", "year"):115        return date(m[1], _get(m, 2, 1), _get(m, 3, 1))116    elif m[0] == "day-year":117        return date(m[1], 1, 1) + timedelta(days=(m[2] - 1))118    elif m[0] in ("day-week", "week"):119        year = m[1]120        week = m[2]121        wday = _get(m, 3, 1)122        try:123            return datetime.fromisocalendar(year,week,wday)124        except AttributeError:125            day1 = date(m[1], 1, 1)126            wday1 = day1.isoweekday()127            delta = (1 - wday1) if wday1 <= 4 else (8 - wday1)128            delta += (week - 1) * 7 + (wday - 1)129            return day1 + timedelta(days=delta)130    elif m[0] == "century":131        # actually, it's hundred-year, not century (0-start)132        return date(m[1] * 100, 1, 1)133    else:134        raise AssertionError("should not happen: unknown type")135def parse_date_to_start(s, digits_year_ext=4):136    m = parse_date_to_tuple(s, digits_year_ext);137    return date_tuple_to_start(m, digits_year_ext=digits_year_ext)138def parse_date_to_start_duration(s, digits_year_ext=4):139    m = parse_date_to_tuple(s, digits_year_ext);140    day = date_tuple_to_start(m, digits_year_ext=digits_year_ext)141    if m[0] in ("day", "day-year", "day-week"):142        return day, _single_day143    elif m[0] == "week":144        return day, timedelta(days=7)145    elif m[0] == "month":146        m2 = day.month + 1147        day2 = (date(day.year, m2, 1) if m2 != 13148                else date(day.year + 1, 1, 1))149        return day, day2 - day150    elif m[0] == "year":151        day2 = date(day.year + 1, 1, 1)152        return day, day2 - day153    elif m[0] == "century":154        day2 = date(day.year + 100, 1, 1)155        return day, day2 - day156    else:157        raise AssertionError("should not happen: unknown type")158class dateWithPrecision(date):159    __slots__ = ("precision",)160    def __new__(self, d, p):161        o = super(dateWithPrecision, self).__new__(self, d.year, d.month, d.day)162        o.precision = p163        return o164    def __init__(self, d, p):165        pass166def parse_ISO8601_date(s, digits_year_ext=4):167    """Parse a date string formatted in ISO 8601 syntax.168    An optional argument digits_year_ext specifies how many digits169    are expected for the extended year specification (prefixed by170    `+` or `-`).171    Returned value is an extended `date` object pointing to the start172    day of the input.  An additional property `precision` is set to a173    `timedelta` object specifying a length of the specified calendar174    date period.175    """176    d, p = parse_date_to_start_duration(s, digits_year_ext=digits_year_ext)177    return dateWithPrecision(d, p)178time_regexp = re.compile(179           r'''(?x)\A(?P<H>\d\d)180                    (?:(?P<HF>[,.]\d+)181                      |(?P<EXT>:?)(?P<M>\d\d)182                       (?:(?P<MF>[,.]\d+)183                         |(?P=EXT)(?P<S>\d\d)(?P<SF>[,.]\d+)?)?)?184                    (?P<TZ>|[Zz]|(?P<TZSIGN>[-+])(?P<TZH>\d\d)((?::?)(?P<TZM>\d\d))?)?\Z''')185def _frac_to_spec(s):186    if not s:187        return 0, 1188    if s[0:1] not in ('.', ','):189        raise ValueError(s)190    s = s[1:]191    expo = len(s or "")192    return (int(s or "0"), 10 ** expo)193def parse_time_to_tuple(s):194    m = time_regexp.match(s)195    if not m:196        raise ValueError("invalid time spec")197    m = m.groupdict()198    # timezone199    if m['TZ'] == '':200        tz = None201    elif m['TZ'] in ('Z', 'z'):202        tz = _timezone_utc203    else:204        tzhour = m['TZH']205        tzminute = (m['TZM'] or "00")206        tzofs = timedelta(hours=int(tzhour), minutes=int(tzminute))207        if m['TZSIGN'] == '-': tzofs = -tzofs208        tz = timezone(tzofs)209    if m['S'] is not None:210        numer, denom = _frac_to_spec(m['SF'])211        return ("s", int(m['H']), int(m['M']), int(m['S']), numer, denom, 1, tz)212    elif m['M'] is not None:213        numer, denom = _frac_to_spec(m['MF'])214        return ("m", int(m['H']), int(m['M']), 0, numer, denom, 60, tz)215    elif m['H'] is not None:216        numer, denom = _frac_to_spec(m['HF'])217        return ("h", int(m['H']), 0, 0, numer, denom, 3600, tz)218def time_tuple_to_start_prec(t, leapsecond=0):219    (type, hour, minute, second, numer, denom, scale, tz) = t220    duration = timedelta(microseconds = 1000000.0 / denom * scale)221    if duration == _zerodelta: duration = timedelta.resolution222    if (hour == 24):223        if minute == second == numer == 0:224            return(time(23, 59, 59), _single_sec, None, duration)225    if (hour < 0 or minute < 0 or second < 0226        or hour >= 24 or minute >= 60 or second > 60 or227        numer < 0 or numer >= denom or denom < 0 or scale <= 0):228        raise ValueError229    delta = _zerodelta230    leap = None231    microsecond = 1000000 * numer * scale // denom232    if second == 60: # leap second233        if scale != 1 or microsecond >= 1000000:234            raise AssertionError("not happen")235        if leapsecond == -1:236            second = 59237            leap = _single_sec238        elif leapsecond == 0:239            leap = timedelta(microseconds=microsecond)240            microsecond = 0241        elif leapsecond == 1:242            leap = _zerodelta243        else:244            raise LeapSecondValueError245    # adjust for fraction246    if microsecond >= 1000000:247        second += microsecond // 1000000248        microsecond = microsecond % 1000000249    if second >= 60:250        minute += second // 60251        second = second % 60252    if minute >= 60:253        hour += minute // 60254        minute = minute % 60255    # adjust for overflow by 24:00 or --:--:60256    if (hour >= 24):257        minute += 60 * (hour - 23)258        hour = 23259    if (minute >= 60):260        second += 60 * (minute - 59)261        minute = 59262    if (second >= 60):263        delta = _single_sec * (second - 59)264        second = 59265    t = time(hour, minute, second, microsecond, tzinfo=tz)266    return (t, delta, leap, duration)267def parse_time_to_start_prec(s, leapsecond=0):268    t = parse_time_to_tuple(s)269    return time_tuple_to_start_prec(t, leapsecond=leapsecond)270class timeWithPrecision(time):271    __slots__ = ("precision", "leap", "delta")272    def __new__(self, t, delta, leap, precision):273        o = super(timeWithPrecision, self).__new__(self, t.hour, t.minute, t.second, t.microsecond, tzinfo=t.tzinfo)274        o.delta = delta275        o.leap = leap276        o.precision = precision277        return o278    def __init__(self, t, delta, leap, precision):279        pass280def parse_ISO8601_time(s, leapsecond=0, with_delta=False):281    """Parse a time-in-day string formatted in ISO 8601 syntax.282    Optional named arguments are as follows:283      with_delta: a boolean whether a returned value can be offseted,284                  using a special property `delta` described below, to285                  represent time values above 24:00:00, which are not286                  normally allowed by the Python's `time` object.287                  See also property `delta` described below.288      leapsecond: specifies how the 60th second is to be treated:289          -1: the preceeding 59th second is repeated.290           0: the clock holds at the top of the next 0th second.291          +1: the next 0th second is repeated.292          "raise": raise a Value Error.293          The argument `with_delta` should also be set to true294          to handle "23:59:60", unless `leapsecond` is set to -1.295    Returned value is an `time` object with the following additional296    properties:297      delta: If with_delta is set to True, it is a `timedelta` object298             representing an extra offset overflowed from the allowed299             time range.300             It might happen when either "24:00:00" or "23:59:60.xxx"301             is specified.302             If with_delta is False (default), this property is fixed303             to `timedelta(0)`, and ValueError is raised for any304             overflow cases.305      leap: It is set to None if 60th second is not specified.306            If a 60th second is input, the property is set to a307            `timedelta` object representing the time reduced by the308            handling of the leap second.  (delta offset shall be309            considered before using this.)310            Be careful that the value might be 0 sec, which is treated311            as a false value in boolean contexts.312      precision: a `timedelta` object representing a width of the313                 time-range specified in the input.314                 It might be either an hour, a minute or a second315                 divided by any power of ten.316    """317    t, delta, leap, precision = parse_time_to_start_prec(s, leapsecond=leapsecond)318    if not with_delta:319        if delta != _zerodelta:320            raise ValueError("time overflow (24:00:00)")321    return timeWithPrecision(t, delta, leap, precision)322datetime_sep_regexp = re.compile(r'\A(.+?)([Tt](.+))\Z')323class datetimeWithPrecision(datetime):324    __slots__ = ("leap", "precision",)325    def __new__(self, dt, leap, prec):326        o = super(datetimeWithPrecision, self).__new__(327                self,328                dt.year, dt.month, dt.day,329                dt.hour, dt.minute, dt.second, dt.microsecond,330                tzinfo=dt.tzinfo)331        o.leap = leap332        o.precision = prec333        return o334    def __init__(self, dt, leap, prec):335        pass336# TODO: consistency of extended/normal notations between components are not checked337def parse_ISO8601_datetime(s, digits_year_ext=4, leapsecond=0):338    """Parse a date string formatted in ISO 8601 syntax.339    An optional argument digits_year_ext specifies how many digits340    are expected for the extended year specification (prefixed by341    `+` or `-`).342    An optional argument leapsecond specifies how the 60th second is343    treated:344      -1: the preceeding 59th second is repeated.345       0: the clock holds at the top of the next 0th second.346      +1: the next 0th second is repeated.347      "raise": raise a Value Error.348    Returned value is either a `date` or `datetime` object, with the349    following properties:350      precision: a `timedelta` object representing a width of thte351                 timerange specified in the input.352      leap: the field is only avaiable if time-part is specified.353            Either `None` if leap second is not specified, or a354            `timedelta` object (might be 0-time) representing a time355            duration rounded by the treatment of the 60th second.356    """357    match = datetime_sep_regexp.match(s)358    if match:359        date, duration = parse_date_to_start_duration(match.group(1), digits_year_ext=digits_year_ext)360        if duration > _single_day:361            raise ValueError("not-a-single-day date with a specific time")362        t = parse_time_to_start_prec(match.group(3), leapsecond=leapsecond)363        if not t: return t364        time, delta, leap, duration = t365        date_time = datetime.combine(date, time)366        date_time += delta367        return datetimeWithPrecision(date_time, leap, duration)368    else:...

xmlrpc.py

Source:xmlrpc.py

...94		if not content:95			raise Fault(400, 'Save failed, the article content cannot be empty.')96		try:97			if 'dateCreated' in struct:98				time = parse_iso8601_time(struct['dateCreated'].value)99			else:100				time = datetime.utcnow()101		except:102			time = datetime.utcnow()103		if REPLACE_SPECIAL_CHARACTERS_FOR_URL:104			url = formatted_date_for_url(time) + replace_special_characters_for_url(title)105		else:106			url = formatted_date_for_url(time) + title107		if Article.all().filter('url =', url).count(1):108			raise Fault(400, 'Save failed, there is already an article with the same URL.')109		tags = []110		try:111			if 'mt_keywords' in struct:112				tags = struct['mt_keywords'].strip().split()113				tags = list(set(tags))114		except:115			pass116		category = None117		try:118			if 'categories' in struct:119				categories = struct['categories']120				if categories:121					category = categories[0].strip() or None122		except:123			pass124		try:125			article = Article(126				title=title,127				url=url,128				content=content,129				format=CONTENT_FORMAT_FLAG['html'],130				published=publish,131				tags=tags,132				category=category,133				time=time,134				mod_time=time135			)136			article.put()137			try:138				if tags:139					tags = Tag.get_by_key_name(tags)140					tag_set = set(tags)141					tag_set.discard(None)142					tags = list(tag_set)143					if tags:144						for tag in tags:145							tag.count += 1146						db.put(tags)147			except:148				pass149			if publish:150				clear_article_memcache()151				deferred.defer(ping_hubs, BLOG_FEED_URL)152				deferred.defer(ping_xml_rpc, BLOG_HOME_FULL_URL + article.quoted_url())153			return str(article.key().id())154		except:155			raise Fault(500, 'Save failed, the datastore has some error or is busy now.')156	@staticmethod157	@authorized()158	def editPost(postid, struct, publish):159		article = get_article_by_id(postid)160		if 'title' not in struct:161			raise Fault(400, 'Edit failed, the article title cannot be empty.')162		title = strip(struct['title'])163		if not title:164			raise Fault(400, 'Edit failed, the article title cannot be empty.')165		article.title = title166		if 'description' not in struct:167			raise Fault(400, 'Edit failed, the article content cannot be empty.')168		content = struct['description']169		if not content:170			raise Fault(400, 'Edit failed, the article content cannot be empty.')171		article.content = content172		article.format = CONTENT_FORMAT_FLAG['html']173		article.published = publish174		try:175			if 'dateCreated' in struct:176				time = parse_iso8601_time(struct['dateCreated'].value)177				article_time = article.time178				if time != article_time:179					if time > article_time:180						if time - article_time > ONE_SECOND:181							article.time = time182					else:183						if article_time - time > ONE_SECOND:184							article.time = time185		except:186			pass187		article.mod_time = datetime.utcnow()188		tags = []189		old_tags = set(article.tags)190		try:...

test_report.py

Source:test_report.py

...9from helpers.runner import run_suite_class10NOW = time.time()11CURRENT_YEAR = time.localtime().tm_year12def _test_timestamp_round(raw, rounded):13    assert parse_iso8601_time(format_time_as_iso8601(raw)) == rounded14def test_format_and_parse_iso8601_time_1():15    _test_timestamp_round(1485093460.874194, 1485093460.874)16def test_format_and_parse_iso8601_time_2():17    _test_timestamp_round(1485093460.874794, 1485093460.875)18def test_format_and_parse_iso8601_time_3():19    _test_timestamp_round(1485093460.999001, 1485093460.999)20def test_format_and_parse_iso8601_time_4():21    _test_timestamp_round(1485093460.999999, 1485093461.0)22def test_format_and_parse_iso8601_time_5():23    _test_timestamp_round(1485105524.353112, 1485105524.353)24def test_report_stats_simple():25    report = make_report(suites=[26        make_suite_result(tests=[27            make_test_result(steps=[make_step(logs=[make_check(True)])])...

stack.py

Source:stack.py

...69        url = "https://pricing.vexxhost.net/v1/pricing/%s/cost?seconds=%d"70        with urllib.request.urlopen(url % (flavor, seconds)) as response:  # nosec71            data = json.loads(response.read())72        return data["cost"]73    def parse_iso8601_time(time):74        return datetime.strptime(time, "%Y-%m-%dT%H:%M:%S.%f")75    def get_server_info(server_id):76        server = cloud.compute.find_server(server_id)77        diff = datetime.utcnow() - parse_iso8601_time(server.launched_at)78        return server.flavor["original_name"], diff.total_seconds()79    def get_server_ids(stack_name):80        servers = get_resources_by_type(stack_name, "OS::Nova::Server")81        return [s["physical_resource_id"] for s in servers]82    def get_resources_by_type(stack_name, resource_type):83        resources = get_stack_resources(stack_name)84        return [r for r in resources if r.resource_type == resource_type]85    def get_stack_resources(stack_name):86        resources = []87        def _is_nested(resource):88            link_types = [link["rel"] for link in resource.links]89            if "nested" in link_types:90                return True91            return False...

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