Python datetime.datetime.replace() Examples

The following are code examples for showing how to use datetime.datetime.replace(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the exmaples you don't like. You can also save this page to your account.

Example 1
Project: pongr   Author: wseaton   File: run.py    (license) View Source Project 6 votes vote down vote up
def matches():
    singles = pd.read_sql('select * from game where deleted = 0', con=engine)
    doubles = pd.read_sql('select * from doubles_game where deleted = 0', con=engine)

    tz = pytz.timezone('America/New_York')

    for frame in [singles, doubles]:

        frame['timestamp'] = frame['timestamp'].apply(datetime.utcfromtimestamp)
        frame['timestamp'] = frame['timestamp'].apply(datetime.replace, tzinfo=tz)
        frame['timestamp'] = frame['timestamp'].dt.strftime('%Y-%m-%d %H:%M:%S %Z')

    singles = singles.to_dict('records')
    doubles = doubles.to_dict('records')

    return render_template('gamelog.html', singles_games=singles, doubles_games=doubles) 
Example 2
Project: pongr   Author: wseaton   File: run.py    (license) View Source Project 6 votes vote down vote up
def push_new_doubles_ratings(con=None):
    """
    recalculates doubles ratings and pushes them to the database
    """
    games = pd.read_sql('select * from doubles_game where deleted = 0', con=con)

    ratingdf = calculate_doubles_ratings(games)
    ratingdf = (ratingdf.reset_index().rename(columns={'index':'alias'})
                .drop('level_0', axis=1))

    ratingdf.to_sql('doubles_ratings', con=con, if_exists='replace', index=False)

    team_ratingdf = calculate_team_ratings(games)
    team_ratingdf = (team_ratingdf.reset_index().rename(columns={'index': 'team'})
                .drop('level_0', axis=1))

    team_ratingdf.to_sql('team_doubles_ratings', con=con, if_exists='replace', index=False) 
Example 3
Project: sndlatr   Author: Schibum   File: dates.py    (Apache License 2.0) View Source Project 5 votes vote down vote up
def __init__(self, value, locale):
        assert isinstance(value, (date, datetime, time))
        if isinstance(value, (datetime, time)) and value.tzinfo is None:
            value = value.replace(tzinfo=UTC)
        self.value = value
        self.locale = Locale.parse(locale) 
Example 4
Project: sndlatr   Author: Schibum   File: dates.py    (Apache License 2.0) View Source Project 5 votes vote down vote up
def get_day_of_year(self, date=None):
        if date is None:
            date = self.value
        return (date - date.replace(month=1, day=1)).days + 1 
Example 5
Project: chalktalk_docs   Author: loremIpsum1771   File: dates.py    (license) View Source Project 5 votes vote down vote up
def __init__(self, value, locale):
        assert isinstance(value, (date, datetime, time))
        if isinstance(value, (datetime, time)) and value.tzinfo is None:
            value = value.replace(tzinfo=UTC)
        self.value = value
        self.locale = Locale.parse(locale) 
Example 6
Project: chalktalk_docs   Author: loremIpsum1771   File: dates.py    (license) View Source Project 5 votes vote down vote up
def get_day_of_year(self, date=None):
        if date is None:
            date = self.value
        return (date - date.replace(month=1, day=1)).days + 1 
Example 7
Project: pongr   Author: wseaton   File: run.py    (license) View Source Project 5 votes vote down vote up
def push_new_ratings(con=None):
    """
    recalculates player ratings and pushes them to the database
    """
    games = pd.read_sql('select * from game where deleted = 0', con=con)

    ratingdf = calculate_ratings(games)
    ratingdf = (ratingdf.reset_index().rename(columns={'index':'alias'})
                .drop('level_0', axis=1))

    ratingdf.to_sql('ratings', con=con, if_exists='replace', index=False) 
Example 8
Project: enkiWS   Author: juliettef   File: dates.py    (license) View Source Project 5 votes vote down vote up
def __init__(self, value, locale):
        assert isinstance(value, (date, datetime, time))
        if isinstance(value, (datetime, time)) and value.tzinfo is None:
            value = value.replace(tzinfo=UTC)
        self.value = value
        self.locale = Locale.parse(locale) 
Example 9
Project: enkiWS   Author: juliettef   File: dates.py    (license) View Source Project 5 votes vote down vote up
def get_day_of_year(self, date=None):
        if date is None:
            date = self.value
        return (date - date.replace(month=1, day=1)).days + 1 
Example 10
Project: itchatmp   Author: littlecodersh   File: common.py    (license) View Source Project 5 votes vote down vote up
def maintain_thread(self, firstCallResult=None):
        ''' thread to update token and
        register next update event into event loop '''
        r = firstCallResult or self._syncTokenFunction()
        if not r:
            self.core.ioLoop.call_later(
                (datetime.replace(datetime.now() + timedelta(days=1), 
                hour=0, minute=5, second=0) - datetime.now()).seconds,
                self.maintain_access_token, None)
        else:
            self.core.ioLoop.call_later(r['expires_in'] - 30,
                self.maintain_access_token, None) 
Example 11
Project: itchatmp   Author: littlecodersh   File: common.py    (license) View Source Project 5 votes vote down vote up
def set_server_list(self):
        self._serverList = []
        serverList, fetchTime = self.core.atStorage.get_server_list()
        if fetchTime < time.mktime(datetime.replace(datetime.now(),
            hour=0, minute=0, second=0).timetuple()):
            r = self._serverIpFn()
            if not r:
                logger.debug(r)
            else:
                self._serverList = r.get('ip_list', [])
                self.core.atStorage.store_server_list(self._serverList, time.time())
        else:
            self._serverList = serverList 
Example 12
Project: itchatmp   Author: littlecodersh   File: common.py    (license) View Source Project 5 votes vote down vote up
def filter_request(self, request):
        if self._serverList is None:
            t = threading.Thread(target=self.set_server_list)
            t.setDaemon = True
            t.start()
            def clear_server_list():
                self._serverList = None
            self.core.ioLoop.call_later(
                (datetime.replace(datetime.now() + timedelta(days=1), 
                hour=0, minute=5, second=0) - datetime.now()).seconds,
                clear_server_list)
        if not self._serverList:
            logger.debug('Server list is loading, so ignore verifying once.')
            return True
        return request.remote_ip in self._serverList 
Example 13
Project: Hawkeye   Author: tozhengxq   File: dates.py    (license) View Source Project 5 votes vote down vote up
def get_next_timezone_transition(zone=None, dt=None):
    """Given a timezone it will return a :class:`TimezoneTransition` object
    that holds the information about the next timezone transition that's going
    to happen.  For instance this can be used to detect when the next DST
    change is going to happen and how it looks like.

    The transition is calculated relative to the given datetime object.  The
    next transition that follows the date is used.  If a transition cannot
    be found the return value will be `None`.

    Transition information can only be provided for timezones returned by
    the :func:`get_timezone` function.

    :param zone: the timezone for which the transition should be looked up.
                 If not provided the local timezone is used.
    :param dt: the date after which the next transition should be found.
               If not given the current time is assumed.
    """
    zone = get_timezone(zone)
    if dt is None:
        dt = datetime.utcnow()
    else:
        dt = dt.replace(tzinfo=None)

    if not hasattr(zone, '_utc_transition_times'):
        raise TypeError('Given timezone does not have UTC transition '
                        'times.  This can happen because the operating '
                        'system fallback local timezone is used or a '
                        'custom timezone object')

    try:
        idx = max(0, bisect_right(zone._utc_transition_times, dt))
        old_trans = zone._transition_info[idx - 1]
        new_trans = zone._transition_info[idx]
        old_tz = zone._tzinfos[old_trans]
        new_tz = zone._tzinfos[new_trans]
    except (LookupError, ValueError):
        return None

    return TimezoneTransition(
        activates=zone._utc_transition_times[idx],
        from_tzinfo=old_tz,
        to_tzinfo=new_tz,
        reference_date=dt
    ) 
Example 14
Project: Hawkeye   Author: tozhengxq   File: dates.py    (license) View Source Project 5 votes vote down vote up
def __init__(self, value, locale):
        assert isinstance(value, (date, datetime, time))
        if isinstance(value, (datetime, time)) and value.tzinfo is None:
            value = value.replace(tzinfo=UTC)
        self.value = value
        self.locale = Locale.parse(locale) 
Example 15
Project: Hawkeye   Author: tozhengxq   File: dates.py    (license) View Source Project 5 votes vote down vote up
def get_day_of_year(self, date=None):
        if date is None:
            date = self.value
        return (date - date.replace(month=1, day=1)).days + 1 
Example 16
Project: Hawkeye   Author: tozhengxq   File: __init__.py    (license) View Source Project 5 votes vote down vote up
def to_utc(datetime):
    """Convert a datetime object to UTC and drop tzinfo.  This is the
    opposite operation to :func:`to_user_timezone`.
    """
    if datetime.tzinfo is None:
        datetime = get_timezone().localize(datetime)
    return datetime.astimezone(UTC).replace(tzinfo=None) 
Example 17
Project: sndlatr   Author: Schibum   File: dates.py    (Apache License 2.0) View Source Project 4 votes vote down vote up
def get_next_timezone_transition(zone=None, dt=None):
    """Given a timezone it will return a :class:`TimezoneTransition` object
    that holds the information about the next timezone transition that's going
    to happen.  For instance this can be used to detect when the next DST
    change is going to happen and how it looks like.

    The transition is calculated relative to the given datetime object.  The
    next transition that follows the date is used.  If a transition cannot
    be found the return value will be `None`.

    Transition information can only be provided for timezones returned by
    the :func:`get_timezone` function.

    :param zone: the timezone for which the transition should be looked up.
                 If not provided the local timezone is used.
    :param dt: the date after which the next transition should be found.
               If not given the current time is assumed.
    """
    zone = get_timezone(zone)
    if dt is None:
        dt = datetime.utcnow()
    else:
        dt = dt.replace(tzinfo=None)

    if not hasattr(zone, '_utc_transition_times'):
        raise TypeError('Given timezone does not have UTC transition '
                        'times.  This can happen because the operating '
                        'system fallback local timezone is used or a '
                        'custom timezone object')

    try:
        idx = max(0, bisect_right(zone._utc_transition_times, dt))
        old_trans = zone._transition_info[idx - 1]
        new_trans = zone._transition_info[idx]
        old_tz = zone._tzinfos[old_trans]
        new_tz = zone._tzinfos[new_trans]
    except (LookupError, ValueError):
        return None

    return TimezoneTransition(
        activates=zone._utc_transition_times[idx],
        from_tzinfo=old_tz,
        to_tzinfo=new_tz,
        reference_date=dt
    ) 
Example 18
Project: sndlatr   Author: Schibum   File: dates.py    (Apache License 2.0) View Source Project 4 votes vote down vote up
def get_timezone_gmt(datetime=None, width='long', locale=LC_TIME):
    """Return the timezone associated with the given `datetime` object formatted
    as string indicating the offset from GMT.

    >>> dt = datetime(2007, 4, 1, 15, 30)
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT+00:00'

    >>> tz = get_timezone('America/Los_Angeles')
    >>> dt = datetime(2007, 4, 1, 15, 30, tzinfo=tz)
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT-08:00'
    >>> get_timezone_gmt(dt, 'short', locale='en')
    u'-0800'

    The long format depends on the locale, for example in France the acronym
    UTC string is used instead of GMT:

    >>> get_timezone_gmt(dt, 'long', locale='fr_FR')
    u'UTC-08:00'

    .. versionadded:: 0.9

    :param datetime: the ``datetime`` object; if `None`, the current date and
                     time in UTC is used
    :param width: either "long" or "short"
    :param locale: the `Locale` object, or a locale string
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, integer_types):
        datetime = datetime_.utcfromtimestamp(datetime).time()
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    locale = Locale.parse(locale)

    offset = datetime.tzinfo.utcoffset(datetime)
    seconds = offset.days * 24 * 60 * 60 + offset.seconds
    hours, seconds = divmod(seconds, 3600)
    if width == 'short':
        pattern = u'%+03d%02d'
    else:
        pattern = locale.zone_formats['gmt'] % '%+03d:%02d'
    return pattern % (hours, seconds // 60) 
Example 19
Project: sndlatr   Author: Schibum   File: dates.py    (Apache License 2.0) View Source Project 4 votes vote down vote up
def format_datetime(datetime=None, format='medium', tzinfo=None,
                    locale=LC_TIME):
    r"""Return a date formatted according to the given pattern.

    >>> dt = datetime(2007, 04, 01, 15, 30)
    >>> format_datetime(dt, locale='en_US')
    u'Apr 1, 2007, 3:30:00 PM'

    For any pattern requiring the display of the time-zone, the third-party
    ``pytz`` package is needed to explicitly specify the time-zone:

    >>> format_datetime(dt, 'full', tzinfo=get_timezone('Europe/Paris'),
    ...                 locale='fr_FR')
    u'dimanche 1 avril 2007 17:30:00 heure avanc\xe9e d\u2019Europe centrale'
    >>> format_datetime(dt, "yyyy.MM.dd G 'at' HH:mm:ss zzz",
    ...                 tzinfo=get_timezone('US/Eastern'), locale='en')
    u'2007.04.01 AD at 11:30:00 EDT'

    :param datetime: the `datetime` object; if `None`, the current date and
                     time is used
    :param format: one of "full", "long", "medium", or "short", or a custom
                   date/time pattern
    :param tzinfo: the timezone to apply to the time for display
    :param locale: a `Locale` object or a locale identifier
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, number_types):
        datetime = datetime_.utcfromtimestamp(datetime)
    elif isinstance(datetime, time):
        datetime = datetime_.combine(date.today(), datetime)
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    if tzinfo is not None:
        datetime = datetime.astimezone(get_timezone(tzinfo))
        if hasattr(tzinfo, 'normalize'): # pytz
            datetime = tzinfo.normalize(datetime)

    locale = Locale.parse(locale)
    if format in ('full', 'long', 'medium', 'short'):
        return get_datetime_format(format, locale=locale) \
            .replace("'", "") \
            .replace('{0}', format_time(datetime, format, tzinfo=None,
                                        locale=locale)) \
            .replace('{1}', format_date(datetime, format, locale=locale))
    else:
        return parse_pattern(format).apply(datetime, locale) 
Example 20
Project: chalktalk_docs   Author: loremIpsum1771   File: dates.py    (license) View Source Project 4 votes vote down vote up
def get_next_timezone_transition(zone=None, dt=None):
    """Given a timezone it will return a :class:`TimezoneTransition` object
    that holds the information about the next timezone transition that's going
    to happen.  For instance this can be used to detect when the next DST
    change is going to happen and how it looks like.

    The transition is calculated relative to the given datetime object.  The
    next transition that follows the date is used.  If a transition cannot
    be found the return value will be `None`.

    Transition information can only be provided for timezones returned by
    the :func:`get_timezone` function.

    :param zone: the timezone for which the transition should be looked up.
                 If not provided the local timezone is used.
    :param dt: the date after which the next transition should be found.
               If not given the current time is assumed.
    """
    zone = get_timezone(zone)
    if dt is None:
        dt = datetime.utcnow()
    else:
        dt = dt.replace(tzinfo=None)

    if not hasattr(zone, '_utc_transition_times'):
        raise TypeError('Given timezone does not have UTC transition '
                        'times.  This can happen because the operating '
                        'system fallback local timezone is used or a '
                        'custom timezone object')

    try:
        idx = max(0, bisect_right(zone._utc_transition_times, dt))
        old_trans = zone._transition_info[idx - 1]
        new_trans = zone._transition_info[idx]
        old_tz = zone._tzinfos[old_trans]
        new_tz = zone._tzinfos[new_trans]
    except (LookupError, ValueError):
        return None

    return TimezoneTransition(
        activates=zone._utc_transition_times[idx],
        from_tzinfo=old_tz,
        to_tzinfo=new_tz,
        reference_date=dt
    ) 
Example 21
Project: chalktalk_docs   Author: loremIpsum1771   File: dates.py    (license) View Source Project 4 votes vote down vote up
def get_timezone_gmt(datetime=None, width='long', locale=LC_TIME):
    """Return the timezone associated with the given `datetime` object formatted
    as string indicating the offset from GMT.

    >>> dt = datetime(2007, 4, 1, 15, 30)
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT+00:00'

    >>> tz = get_timezone('America/Los_Angeles')
    >>> dt = tz.localize(datetime(2007, 4, 1, 15, 30))
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT-07:00'
    >>> get_timezone_gmt(dt, 'short', locale='en')
    u'-0700'

    The long format depends on the locale, for example in France the acronym
    UTC string is used instead of GMT:

    >>> get_timezone_gmt(dt, 'long', locale='fr_FR')
    u'UTC-07:00'

    .. versionadded:: 0.9

    :param datetime: the ``datetime`` object; if `None`, the current date and
                     time in UTC is used
    :param width: either "long" or "short"
    :param locale: the `Locale` object, or a locale string
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, integer_types):
        datetime = datetime_.utcfromtimestamp(datetime).time()
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    locale = Locale.parse(locale)

    offset = datetime.tzinfo.utcoffset(datetime)
    seconds = offset.days * 24 * 60 * 60 + offset.seconds
    hours, seconds = divmod(seconds, 3600)
    if width == 'short':
        pattern = u'%+03d%02d'
    else:
        pattern = locale.zone_formats['gmt'] % '%+03d:%02d'
    return pattern % (hours, seconds // 60) 
Example 22
Project: chalktalk_docs   Author: loremIpsum1771   File: dates.py    (license) View Source Project 4 votes vote down vote up
def format_datetime(datetime=None, format='medium', tzinfo=None,
                    locale=LC_TIME):
    r"""Return a date formatted according to the given pattern.

    >>> dt = datetime(2007, 4, 1, 15, 30)
    >>> format_datetime(dt, locale='en_US')
    u'Apr 1, 2007, 3:30:00 PM'

    For any pattern requiring the display of the time-zone, the third-party
    ``pytz`` package is needed to explicitly specify the time-zone:

    >>> format_datetime(dt, 'full', tzinfo=get_timezone('Europe/Paris'),
    ...                 locale='fr_FR')
    u'dimanche 1 avril 2007 \xe0 17:30:00 heure d\u2019\xe9t\xe9 d\u2019Europe centrale'
    >>> format_datetime(dt, "yyyy.MM.dd G 'at' HH:mm:ss zzz",
    ...                 tzinfo=get_timezone('US/Eastern'), locale='en')
    u'2007.04.01 AD at 11:30:00 EDT'

    :param datetime: the `datetime` object; if `None`, the current date and
                     time is used
    :param format: one of "full", "long", "medium", or "short", or a custom
                   date/time pattern
    :param tzinfo: the timezone to apply to the time for display
    :param locale: a `Locale` object or a locale identifier
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, number_types):
        datetime = datetime_.utcfromtimestamp(datetime)
    elif isinstance(datetime, time):
        datetime = datetime_.combine(date.today(), datetime)
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    if tzinfo is not None:
        datetime = datetime.astimezone(get_timezone(tzinfo))
        if hasattr(tzinfo, 'normalize'): # pytz
            datetime = tzinfo.normalize(datetime)

    locale = Locale.parse(locale)
    if format in ('full', 'long', 'medium', 'short'):
        return get_datetime_format(format, locale=locale) \
            .replace("'", "") \
            .replace('{0}', format_time(datetime, format, tzinfo=None,
                                        locale=locale)) \
            .replace('{1}', format_date(datetime, format, locale=locale))
    else:
        return parse_pattern(format).apply(datetime, locale) 
Example 23
Project: pongr   Author: wseaton   File: run.py    (license) View Source Project 4 votes vote down vote up
def ratings():
    s = '''
    select
        first_name,
        last_name,
        alias,
        rating,
        sigma,
        trueskill
    from ratings
    left join player using (alias)
    order by 3 desc
    '''

    s_team = '''
        select
            player1,
            player2,
            rating,
            sigma,
            trueskill
        from team_doubles_ratings
        --left join player using (alias)
        order by 3 desc
        '''

    s_rating_df = pd.read_sql(s, con=engine)
    d_rating_df = pd.read_sql(s.replace('ratings', 'doubles_ratings'), con=engine)
    t_rating_df = pd.read_sql(s_team, con=engine)


    chart = dist_plot(s_rating_df)

    singles_rating_df_4_template = s_rating_df.copy()

    s_rating_df = s_rating_df.to_dict('records')
    d_rating_df = d_rating_df.to_dict('records')
    t_rating_df = t_rating_df.to_dict('records')
    # top is for the data table as records, bottom is TrueSkill objects
    s_r_dict = rating_df_to_dict(singles_rating_df_4_template)

    rdo = OrderedDict(sorted(s_r_dict.items(), key=lambda x: x[1].mu, reverse=True))

    percent_df = pd.DataFrame()

    for pair in list(itertools.combinations_with_replacement(rdo, 2)):
        prob = win_probability(rdo[pair[0]], rdo[pair[1]])
        percent_df.loc[pair[0], pair[1]] = prob
        percent_df.loc[pair[1], pair[0]] = 1 - prob

    matrix = win_probability_matrix(percent_df)

    return render_template('ratings.html', singles_ratings=s_rating_df,
                           doubles_ratings=d_rating_df, team_df=t_rating_df,
                           dist=chart, matrix=matrix) 
Example 24
Project: enkiWS   Author: juliettef   File: dates.py    (license) View Source Project 4 votes vote down vote up
def get_next_timezone_transition(zone=None, dt=None):
    """Given a timezone it will return a :class:`TimezoneTransition` object
    that holds the information about the next timezone transition that's going
    to happen.  For instance this can be used to detect when the next DST
    change is going to happen and how it looks like.

    The transition is calculated relative to the given datetime object.  The
    next transition that follows the date is used.  If a transition cannot
    be found the return value will be `None`.

    Transition information can only be provided for timezones returned by
    the :func:`get_timezone` function.

    :param zone: the timezone for which the transition should be looked up.
                 If not provided the local timezone is used.
    :param dt: the date after which the next transition should be found.
               If not given the current time is assumed.
    """
    zone = get_timezone(zone)
    if dt is None:
        dt = datetime.utcnow()
    else:
        dt = dt.replace(tzinfo=None)

    if not hasattr(zone, '_utc_transition_times'):
        raise TypeError('Given timezone does not have UTC transition '
                        'times.  This can happen because the operating '
                        'system fallback local timezone is used or a '
                        'custom timezone object')

    try:
        idx = max(0, bisect_right(zone._utc_transition_times, dt))
        old_trans = zone._transition_info[idx - 1]
        new_trans = zone._transition_info[idx]
        old_tz = zone._tzinfos[old_trans]
        new_tz = zone._tzinfos[new_trans]
    except (LookupError, ValueError):
        return None

    return TimezoneTransition(
        activates=zone._utc_transition_times[idx],
        from_tzinfo=old_tz,
        to_tzinfo=new_tz,
        reference_date=dt
    ) 
Example 25
Project: enkiWS   Author: juliettef   File: dates.py    (license) View Source Project 4 votes vote down vote up
def get_timezone_gmt(datetime=None, width='long', locale=LC_TIME):
    """Return the timezone associated with the given `datetime` object formatted
    as string indicating the offset from GMT.

    >>> dt = datetime(2007, 4, 1, 15, 30)
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT+00:00'

    >>> tz = get_timezone('America/Los_Angeles')
    >>> dt = tz.localize(datetime(2007, 4, 1, 15, 30))
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT-07:00'
    >>> get_timezone_gmt(dt, 'short', locale='en')
    u'-0700'

    The long format depends on the locale, for example in France the acronym
    UTC string is used instead of GMT:

    >>> get_timezone_gmt(dt, 'long', locale='fr_FR')
    u'UTC-07:00'

    .. versionadded:: 0.9

    :param datetime: the ``datetime`` object; if `None`, the current date and
                     time in UTC is used
    :param width: either "long" or "short"
    :param locale: the `Locale` object, or a locale string
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, integer_types):
        datetime = datetime_.utcfromtimestamp(datetime).time()
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    locale = Locale.parse(locale)

    offset = datetime.tzinfo.utcoffset(datetime)
    seconds = offset.days * 24 * 60 * 60 + offset.seconds
    hours, seconds = divmod(seconds, 3600)
    if width == 'short':
        pattern = u'%+03d%02d'
    else:
        pattern = locale.zone_formats['gmt'] % '%+03d:%02d'
    return pattern % (hours, seconds // 60) 
Example 26
Project: enkiWS   Author: juliettef   File: dates.py    (license) View Source Project 4 votes vote down vote up
def format_datetime(datetime=None, format='medium', tzinfo=None,
                    locale=LC_TIME):
    r"""Return a date formatted according to the given pattern.

    >>> dt = datetime(2007, 04, 01, 15, 30)
    >>> format_datetime(dt, locale='en_US')
    u'Apr 1, 2007, 3:30:00 PM'

    For any pattern requiring the display of the time-zone, the third-party
    ``pytz`` package is needed to explicitly specify the time-zone:

    >>> format_datetime(dt, 'full', tzinfo=get_timezone('Europe/Paris'),
    ...                 locale='fr_FR')
    u'dimanche 1 avril 2007 17:30:00 heure avanc\xe9e d\u2019Europe centrale'
    >>> format_datetime(dt, "yyyy.MM.dd G 'at' HH:mm:ss zzz",
    ...                 tzinfo=get_timezone('US/Eastern'), locale='en')
    u'2007.04.01 AD at 11:30:00 EDT'

    :param datetime: the `datetime` object; if `None`, the current date and
                     time is used
    :param format: one of "full", "long", "medium", or "short", or a custom
                   date/time pattern
    :param tzinfo: the timezone to apply to the time for display
    :param locale: a `Locale` object or a locale identifier
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, number_types):
        datetime = datetime_.utcfromtimestamp(datetime)
    elif isinstance(datetime, time):
        datetime = datetime_.combine(date.today(), datetime)
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    if tzinfo is not None:
        datetime = datetime.astimezone(get_timezone(tzinfo))
        if hasattr(tzinfo, 'normalize'): # pytz
            datetime = tzinfo.normalize(datetime)

    locale = Locale.parse(locale)
    if format in ('full', 'long', 'medium', 'short'):
        return get_datetime_format(format, locale=locale) \
            .replace("'", "") \
            .replace('{0}', format_time(datetime, format, tzinfo=None,
                                        locale=locale)) \
            .replace('{1}', format_date(datetime, format, locale=locale))
    else:
        return parse_pattern(format).apply(datetime, locale) 
Example 27
Project: Hawkeye   Author: tozhengxq   File: dates.py    (license) View Source Project 4 votes vote down vote up
def get_timezone_gmt(datetime=None, width='long', locale=LC_TIME):
    """Return the timezone associated with the given `datetime` object formatted
    as string indicating the offset from GMT.

    >>> dt = datetime(2007, 4, 1, 15, 30)
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT+00:00'

    >>> tz = get_timezone('America/Los_Angeles')
    >>> dt = tz.localize(datetime(2007, 4, 1, 15, 30))
    >>> get_timezone_gmt(dt, locale='en')
    u'GMT-07:00'
    >>> get_timezone_gmt(dt, 'short', locale='en')
    u'-0700'

    The long format depends on the locale, for example in France the acronym
    UTC string is used instead of GMT:

    >>> get_timezone_gmt(dt, 'long', locale='fr_FR')
    u'UTC-07:00'

    .. versionadded:: 0.9

    :param datetime: the ``datetime`` object; if `None`, the current date and
                     time in UTC is used
    :param width: either "long" or "short"
    :param locale: the `Locale` object, or a locale string
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, integer_types):
        datetime = datetime_.utcfromtimestamp(datetime).time()
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    locale = Locale.parse(locale)

    offset = datetime.tzinfo.utcoffset(datetime)
    seconds = offset.days * 24 * 60 * 60 + offset.seconds
    hours, seconds = divmod(seconds, 3600)
    if width == 'short':
        pattern = u'%+03d%02d'
    else:
        pattern = locale.zone_formats['gmt'] % '%+03d:%02d'
    return pattern % (hours, seconds // 60) 
Example 28
Project: Hawkeye   Author: tozhengxq   File: dates.py    (license) View Source Project 4 votes vote down vote up
def format_datetime(datetime=None, format='medium', tzinfo=None,
                    locale=LC_TIME):
    r"""Return a date formatted according to the given pattern.

    >>> dt = datetime(2007, 04, 01, 15, 30)
    >>> format_datetime(dt, locale='en_US')
    u'Apr 1, 2007, 3:30:00 PM'

    For any pattern requiring the display of the time-zone, the third-party
    ``pytz`` package is needed to explicitly specify the time-zone:

    >>> format_datetime(dt, 'full', tzinfo=get_timezone('Europe/Paris'),
    ...                 locale='fr_FR')
    u'dimanche 1 avril 2007 17:30:00 heure avanc\xe9e d\u2019Europe centrale'
    >>> format_datetime(dt, "yyyy.MM.dd G 'at' HH:mm:ss zzz",
    ...                 tzinfo=get_timezone('US/Eastern'), locale='en')
    u'2007.04.01 AD at 11:30:00 EDT'

    :param datetime: the `datetime` object; if `None`, the current date and
                     time is used
    :param format: one of "full", "long", "medium", or "short", or a custom
                   date/time pattern
    :param tzinfo: the timezone to apply to the time for display
    :param locale: a `Locale` object or a locale identifier
    """
    if datetime is None:
        datetime = datetime_.utcnow()
    elif isinstance(datetime, number_types):
        datetime = datetime_.utcfromtimestamp(datetime)
    elif isinstance(datetime, time):
        datetime = datetime_.combine(date.today(), datetime)
    if datetime.tzinfo is None:
        datetime = datetime.replace(tzinfo=UTC)
    if tzinfo is not None:
        datetime = datetime.astimezone(get_timezone(tzinfo))
        if hasattr(tzinfo, 'normalize'): # pytz
            datetime = tzinfo.normalize(datetime)

    locale = Locale.parse(locale)
    if format in ('full', 'long', 'medium', 'short'):
        return get_datetime_format(format, locale=locale) \
            .replace("'", "") \
            .replace('{0}', format_time(datetime, format, tzinfo=None,
                                        locale=locale)) \
            .replace('{1}', format_date(datetime, format, locale=locale))
    else:
        return parse_pattern(format).apply(datetime, locale)