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a s�h�= � @ sD d Z ddlZddlZddlZddlZddlZddlZz ddlZW n ey^ ddl Z dZY n0 ddl m Z dZ dZ e ZdZejZdd� Zefd d �Zd d � Zd d� Zdd� Zd/dd�Zd0dd�Zde_d1dd�Zdd� Zdd� Z d d � Z d2d d �Z d d!� Z d"d#� Z d$d%� Z!G d&d'� d'e"�Z#ej$d(d)d*fd+d,�Z%G d-d.� d.e"�Z&dS )3z. Time related utilities and helper functions. � N)� reflectionz%Y-%m-%dT%H:%M:%S.%fz%Y-%m-%dT%H:%M:%S�; c C sr z t �| �W S t jy> } ztt|���W Y d}~n8d}~0 tyl } ztt|���W Y d}~n d}~0 0 dS )z Parse time from ISO 8601 format.N)�iso8601Z parse_dateZ ParseError� ValueError�str� TypeError)�timestr�e� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/oslo_utils/timeutils.py� parse_isotime/ s r c C s t j �| |�S )z+Turn a formatted time back into a datetime.)�datetime�strptime)r �fmtr r r � parse_strtime9 s r c C s$ | � � }|du r| S | jdd�| S )z9Normalize time in arbitrary timezone to UTC naive object.N��tzinfo)� utcoffset�replace)� timestamp�offsetr r r �normalize_time> s r c C s0 t | t�rt| �} t| �} t� | tj|d�kS )z�Return True if before is older than seconds. .. versionchanged:: 1.7 Accept datetime string with timezone information. Fix comparison with timezone aware datetime. ��seconds�� isinstancer r r �utcnowr � timedelta)�beforer r r r � is_older_thanF s r c C s0 t | t�rt| �} t| �} | t� tj|d�kS )z�Return True if after is newer than seconds. .. versionchanged:: 1.7 Accept datetime string with timezone information. Fix comparison with timezone aware datetime. r r )�afterr r r r � is_newer_thanU s r! Fc C sP t jdu r"t�� }| s t|�}|S t � }t�|�� �}| rL|t|j�d 7 }|S )z�Timestamp version of our utcnow function. See :py:class:`oslo_utils.fixture.TimeFixture`. .. versionchanged:: 1.3 Added optional *microsecond* parameter. Ni@B ) r � override_time�time�int�calendar�timegm� timetuple�float� microsecond)r) r �nowr r r � utcnow_tsd s r+ c C s\ t jr.zt j�d�W S ty, t j Y S 0 | rDtjjtjjd�S tj�tjj �j dd�S )z�Overridable version of utils.utcnow that can return a TZ-aware datetime. See :py:class:`oslo_utils.fixture.TimeFixture`. .. versionchanged:: 1.6 Added *with_timezone* parameter. r )�tzNr ) r r" �pop�AttributeErrorr r* r �UTC�timezone�utcr )Z with_timezoner r r r } s r c C s" | pt j �t jj�jdd�t_dS )a Overrides utils.utcnow. Make it return a constant time or a list thereof, one at a time. See :py:class:`oslo_utils.fixture.TimeFixture`. :param override_time: datetime instance or list thereof. If not given, defaults to the current UTC time. Nr )r r* r0 r1 r r r" )r" r r r �set_time_override� s �r2 c C sL t jdusJ �zt jD ] }|| 7 }qW n tyF t j| 7 _Y n0 dS )znAdvance overridden time using a datetime.timedelta. See :py:class:`oslo_utils.fixture.TimeFixture`. N)r r" r )r �dtr r r �advance_time_delta� s r4 c C s t t�d| �� dS )z^Advance overridden time by seconds. See :py:class:`oslo_utils.fixture.TimeFixture`. r N)r4 r r r r r r �advance_time_seconds� s r5 c C s dt _dS )zVRemove the overridden time. See :py:class:`oslo_utils.fixture.TimeFixture`. N)r r" r r r r �clear_time_override� s r6 c C sX | s t � } t| j| j| j| j| j| j| jd�}| j rT| j � d�}|dkrLdn||d< |S )z�Make an rpc-safe datetime with microseconds. .. versionchanged:: 1.6 Timezone information is now serialized instead of being stripped. ��day�month�year�hour�minute�secondr) N� UTC+00:00r/ �tzname) r �dictr8 r9 r: r; r< r= r) r r? )r* �dr? r r r � marshall_now� s � rB c C s� t | d t�}tj| d | d | d | d | d || d d�}| �d �}|r�|d krXd n|}trxt�|�}|j|d �}nt�|�}|� |�}|S ) z�Unmarshall a datetime dict. .. versionchanged:: 1.5 Drop leap second. .. versionchanged:: 1.6 Added support for timezone information. r= r8 r9 r: r; r< r) r7 r? r> r/ r ) �min�_MAX_DATETIME_SECr �get�zoneinfoZZoneInfor �pytzr0 Zlocalize)Ztymer= r3 r? r r r r �unmarshall_time� s$ � rH c C s || }|� � S )z�Return the difference between two timing objects. Compute the difference in seconds between two date, time, or datetime objects (as a float, to microsecond resolution). )� total_seconds)r r �deltar r r � delta_seconds� s rK c C s t � tj|d� }t| �|kS )z�Determines if time is going to happen in the next window seconds. :param dt: the time :param window: minimum seconds to remain to consider the time not soon :return: True if expiration is within the given duration r )r r r r )r3 Zwindow�soonr r r �is_soon s rM c @ s@ e Zd ZdZddgZdd� Zedd� �Zedd � �Zd d � Z d S ) �Splitz�A *immutable* stopwatch split. See: http://en.wikipedia.org/wiki/Stopwatch for what this is/represents. .. versionadded:: 1.4 �_elapsed�_lengthc C s || _ || _d S )N)rO rP ��self�elapsed�lengthr r r �__init__ s zSplit.__init__c C s | j S )z Duration from stopwatch start.)rO �rR r r r rS s z Split.elapsedc C s | j S )z@Seconds from last split (or the elapsed time if no prior split).)rP rV r r r rT s z Split.lengthc C s& t j| dd�}|d| j| jf 7 }|S )NF)Zfully_qualifiedz(elapsed=%s, length=%s))r Zget_class_namerO rP )rR �rr r r �__repr__% s zSplit.__repr__N) �__name__� __module__� __qualname__�__doc__� __slots__rU �propertyrS rT rX r r r r rN s rN z>It took %(seconds).02f seconds to run function '%(func_name)s'Tg{�G�z�?c s � ����fdd�}|S )a� Decorator that will log how long its decorated function takes to run. This does **not** output a log if the decorated function fails with an exception. :param logger: logger instance to use when logging elapsed time :param log_level: logger logging level to use when logging elapsed time :param message: customized message to use when logging elapsed time, the message may use automatically provide values ``%(seconds)`` and ``%(func_name)`` if it finds those values useful to record :param enabled: whether to enable or disable this decorator (useful to decorate a function with this decorator, and then easily be able to switch that decoration off by some config or other value) :param min_duration: argument that determines if logging is triggered or not, it is by default set to 0.01 seconds to avoid logging when durations and/or elapsed function call times are less than 0.01 seconds, to disable any ``min_duration`` checks this value should be set to less than or equal to zero or set to none c s* �s� S t �� �� ����fdd��}|S )Nc sj t � � }� | i |��}W d � n1 s*0 Y |�� }�d u sL|�krf����|t�� �d�� |S )N)r � func_name)� StopWatchrS �logr Zget_callable_name)�args�kwargs�w�resultZ time_taken)�func� log_level�logger�message� min_durationr r �wrapperJ s ,��z+time_it.<locals>.decorator.<locals>.wrapper)� functools�wraps)rf rk ��enabledrg rh ri rj )rf r � decoratorF s ztime_it.<locals>.decoratorr )rh rg ri ro rj rp r rn r �time_it+ s rq c @ s� e Zd ZdZdZdZd$dd�Zdd� Zed d � �Z d d � Z d d� Z e dd� �Z d%dd�Zdd� Zdd� Zd&dd�Zdd� Zd d � Zd d � Zd d!� Zd"d#� ZdS )'r` a� A simple timer/stopwatch helper class. Inspired by: apache-commons-lang java stopwatch. Not thread-safe (when a single watch is mutated by multiple threads at the same time). Thread-safe when used by a single thread (not shared) or when operations are performed in a thread-safe manner on these objects by wrapping those operations with locks. .. versionadded:: 1.4 ZSTARTEDZSTOPPEDNc C s> |d ur |dk r t d| ��|| _d | _d | _d | _d| _d S )Nr z4Duration must be greater or equal to zero and not %sr )r � _duration� _started_at� _stopped_at�_state�_splits)rR �durationr r r rU i s �zStopWatch.__init__c C s0 | j | jkr| S t� | _d| _| j| _ d| _| S )z|Starts the watch (if not already started). NOTE(harlowja): resets any splits previously captured (if any). Nr )ru �_STARTEDr* rs rt rv rV r r r �starts s zStopWatch.startc C s | j S )z3Accessor to all/any splits that have been captured.)rv rV r r r �splits� s zStopWatch.splitsc C s^ | j | jkrR| �� }| jr0| �| jd j|�}n|}| jt||�f | _| jd S td��dS )z=Captures a split/elapsed since start time (and doesn't stop).���z_Can not create a split time of a stopwatch if it has not been started or if it has been stoppedN)ru rx rS rv �_delta_secondsrN � RuntimeErrorrQ r r r �split� s zStopWatch.splitc C s | j | jkr| �� | �� | S )z0Restarts the watch from a started/stopped state.)ru rx �stopry rV r r r �restart� s zStopWatch.restartc C s t d|| �S )N� )�max)ZearlierZlaterr r r r| � s zStopWatch._delta_secondsc C sf | j | j| jfvrtd��| j | jkr8| �| j| j�}n| �| jt� �}|durb||krbtd|�}|S )z&Returns how many seconds have elapsed.zNCan not get the elapsed time of a stopwatch if it has not been started/stoppedNr� ) ru rx �_STOPPEDr} r| rs rt r* r� )rR �maximumrS r r r rS � s zStopWatch.elapsedc C s | � � | S )zStarts the watch.)ry rV r r r � __enter__� s zStopWatch.__enter__c C s$ z | � � W n ty Y n0 dS )z0Stops the watch (ignoring errors if stop fails).N)r r} )rR �type�value� tracebackr r r �__exit__� s zStopWatch.__exit__Fc C sB | j | jkrtd��| jdu r.|s*td��dS td| j| �� �S )a5 Returns how many seconds are left until the watch expires. :param return_none: when ``True`` instead of raising a ``RuntimeError`` when no duration has been set this call will return ``None`` instead. :type return_none: boolean zFCan not get the leftover time of a stopwatch that has not been startedNz=Can not get the leftover time of a watch that has no durationr� )ru rx r} rr r� rS )rR Z return_noner r r �leftover� s zStopWatch.leftoverc C s6 | j | j| jfvrtd��| jdu r(dS | �� | jkS )zAReturns if the watch has expired (ie, duration provided elapsed).zKCan not check if a stopwatch has expired if it has not been started/stoppedNF)ru rx r� r} rr rS rV r r r �expired� s zStopWatch.expiredc C s | j | jkS )z0Returns True if the watch is in a started state.)ru rx rV r r r � has_started� s zStopWatch.has_startedc C s | j | jkS )z0Returns True if the watch is in a stopped state.)ru r� rV r r r � has_stopped� s zStopWatch.has_stoppedc C s$ | j | jkr| j| _ | S td��dS )z'Resumes the watch from a stopped state.z4Can not resume a stopwatch that has not been stoppedN)ru r� rx r} rV r r r �resume� s zStopWatch.resumec C s8 | j | jkr| S | j | jkr$td��t� | _| j| _ | S )zStops the watch.z2Can not stop a stopwatch that has not been started)ru r� rx r} r* rt rV r r r r � s zStopWatch.stop)N)N)F)rY rZ r[ r\ rx r� rU ry r^ rz r~ r� � staticmethodr| rS r� r� r� r� r� r� r� r r r r r r` Z s( r` )F)F)N)N)'r\ r% r rl �loggingr# r rF � ImportErrorrG Z oslo_utilsr Z _ISO8601_TIME_FORMAT_SUBSECONDZ_ISO8601_TIME_FORMATZPERFECT_TIME_FORMATrD � monotonicr* r r r r r! r+ r r" r2 r4 r5 r6 rB rH rK rM �objectrN �DEBUGrq r` r r r r �<module> sN $ � /
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