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_pslinux.cpython-36.pyc
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On Python 2 this is just an alias for open(name, 'rt'). �encoding�errors�rt)r � setdefaultr r rd )re rf r: r: r; � open_text� s rl c C s | j ttd�S )N)rh ri )�decoder r )�sr: r: r; rm � s rm c C s | S )Nr: )rn r: r: r; rm � s c C s t jd jS )z+Return updated psutil.PROCFS_PATH constant.Zpsutil)�sys�modulesr r: r: r: r; �get_procfs_path� s rq c C sN t | t�st| ��tj| �} | jd�d } | jd�rJt| � rJ| dd� } | S )z Wrapper around os.readlink().� r z (deleted)N� i����)� isinstancer �AssertionError�os�readlink�split�endswithr )rT r: r: r; rw � s rw c C sX t jdt jdt jdi}|| t jt jB t jB @ }| t j@ rH|jddd�}|jdd�}|S )zZConvert file's open() flags into a readable string. Used by Process.open_files(). �r�wzw+�ar zr+)rv �O_RDONLY�O_WRONLY�O_RDWR�O_APPEND�replace)rW Z modes_maprV r: r: r; �file_flags_to_mode� s r� c C sD y&t d| d��}t|j� �S Q R X W n ttfk r> tS X dS )zKReturn the sector size of a partition. Used by disk_io_counters(). z"/sys/block/%s/queue/hw_sector_sizerj N)rd �int�read�IOError� ValueError�SECTOR_SIZE_FALLBACK)� partition�fr: r: r; �get_sector_size� s r� c C s� t d| ��}|j� j� dd� }W dQ R X dddddd d g}t|�}|d krX|jd � |d krj|jd� |dkr||jd� td|�adS )z�Set a namedtuple of variable fields depending on the CPU times available on this Linux kernel version which may be: (user, nice, system, idle, iowait, irq, softirq, [steal, [guest, [guest_nice]]]) Used by cpu_times() function. z%s/statr N�user�nice�systemZidleZiowaitZirqZsoftirq� Zsteal� Zguestrs Z guest_nice� scputimes)rg �readlinerx �len�appendr r� )� procfs_pathr� �values�fieldsZvlenr: r: r; �set_scputimes_ntuple s r� Tc C sT y,|rt | �nt| ��}|j� j� S Q R X W n" tk rN |tk rH|S � Y nX dS )z�Return file content. fallback: the value returned in case the file does not exist or cannot be read binary: whether to open the file in binary or text mode. N)rg rl r� �stripr� �_DEFAULT)re �fallback�binaryr� r: r: r; �cat s r� z/procr� zuser system idleg c C s | d }|| j dd� }y | d }| d }| d }W n tk rH |S X ytdt� �}W n tk rp |S X d}|�: x2|D ]*}|j� }|jd�r�|t|j� d �7 }q�W W d Q R X |t 9 }|}|| } || } | t | d |�8 } | | 7 } | |t |d |� 7 } t| �S ) a� Fallback for kernels < 3.14 where /proc/meminfo does not provide "MemAvailable:" column, see: https://blog.famzah.net/2014/09/24/ This code reimplements the algorithm outlined here: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/ commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773 XXX: on recent kernels this calculation differs by ~1.5% than "MemAvailable:" as it's calculated slightly differently, see: https://gitlab.com/procps-ng/procps/issues/42 https://github.com/famzah/linux-memavailable-procfs/issues/2 It is still way more realistic than doing (free + cached) though. s MemFree:s Cached:r s Active(file):s Inactive(file):s SReclaimable:z %s/zoneinfos lowr Nr5 g @) �get�KeyErrorrg rq r� r� � startswithr� rx �PAGESIZE�min) �memsrK r� Zlru_active_fileZlru_inactive_fileZslab_reclaimabler� Z watermark_low�line�availZ pagecacher: r: r; �calculate_avail_vmem= s4 "r� c N C s� g } i }t dt� ��4}x,|D ]$}|j� }t|d �d ||d < q W W dQ R X |d }|d }y |d }W n" tk r� d}| jd � Y nX y |d }W n" tk r� d}| jd � Y nX ||jd d�7 }y |d } W nH tk �r$ y |d } W n$ tk �r d} | jd� Y nX Y nX y |d } W n$ tk �rV d} | jd� Y nX y |d } W nX tk �r� y |d |d |d } W n$ tk �r� d} | jd� Y nX Y nX || | | } | dk �r�|| } y |d } W n tk �r t|�} Y nX | dk �r$d} | jd� | |k�r2|} t|| |dd�}| �rzddj | �t | �dk�rfd nd f }t j |t � t|| || || | ||| � S ) a� Report virtual memory stats. This implementation matches "free" and "vmstat -s" cmdline utility values and procps-ng-3.3.12 source was used as a reference (2016-09-18): https://gitlab.com/procps-ng/procps/blob/ 24fd2605c51fccc375ab0287cec33aa767f06718/proc/sysinfo.c For reference, procps-ng-3.3.10 is the version available on Ubuntu 16.04. Note about "available" memory: up until psutil 4.3 it was calculated as "avail = (free + buffers + cached)". Now "MemAvailable:" column (kernel 3.14) from /proc/meminfo is used as it's more accurate. That matches "available" column in newer versions of "free". z %s/meminfor i r Ns MemTotal:s MemFree:s Buffers:rN s Cached:rO s SReclaimable:s Shmem:s MemShared:rP s Active:rL s Inactive:s Inact_dirty:s Inact_clean:s Inact_laundry:rM s MemAvailable:rH )�_roundz6%s memory stats couldn't be determined and %s set to 0z, ZwasZwere)rg rq rx r� r� r� r� r� r �joinr� �warnings�warn�RuntimeWarningrF )Zmissing_fieldsr� r� r� r� rG rK rN rO rP rL rM rJ r� rI �msgr: r: r; �virtual_memoryr sz & r� c % C s� i } t dt� ��4}x,|D ]$}|j� }t|d �d | |d < qW W dQ R X y| d }| d }W n: tk r� tj� \}}}}}}}||9 }||9 }Y nX || }t||dd�} yt d t� �}W nD tk �r } z&d t | � } t j | t � d } } W Y dd} ~ X n�X |�� d } } x�|D ]j}|j d ��rJt|jd �d �d d } n&|j d��rpt|jd �d �d d } | dk �r | dk �r P �q W d} t j | t � d } } W dQ R X tj|||| | | �S )zReturn swap memory metrics.z %s/meminfor i r Ns SwapTotal:s SwapFree:)r� z %s/vmstatzP'sin' and 'sout' swap memory stats couldn't be determined and were set to 0 (%s)s pswpin� r s pswpoutzK'sin' and 'sout' swap memory stats couldn't be determined and were set to 0)rg rq rx r� r� �cextZ linux_sysinfor r� �strr� r� r� r� r Zsswap)r� r� r� r� rG rK �_Zunit_multiplierrJ rI �errr� ZsinZsoutr: r: r; � swap_memory� sD & r� c C s^ t � } t| � td| ��}|j� j� }W dQ R X |dttj�d � }dd� |D �}t|� S )z�Return a named tuple representing the following system-wide CPU times: (user, nice, system, idle, iowait, irq, softirq [steal, [guest, [guest_nice]]]) Last 3 fields may not be available on all Linux kernel versions. z%s/statNr c S s g | ]}t |�t �qS r: )�float� CLOCK_TICKS)�.0rC r: r: r; � <listcomp>- s z cpu_times.<locals>.<listcomp>)rq r� rg r� rx r� r� �_fields)r� r� r� r� r: r: r; � cpu_times! s r� c C s� t � } t| � g }td| ��d}|j� xT|D ]L}|jd�r.|j� }|dttj�d � }dd� |D �}t|� }|j |� q.W |S Q R X dS )zfReturn a list of namedtuple representing the CPU times for every CPU available on the system. z%s/stats cpur c S s g | ]}t |�t �qS r: )r� r� )r� rC r: r: r; r� ? s z!per_cpu_times.<locals>.<listcomp>N) rq r� rg r� r� rx r� r� r� r� )r� �cpusr� r� r� r� �entryr: r: r; � per_cpu_times1 s r� c C s� y t jd�S tk r� d} tdt� ��*}x"|D ]}|j� jd�r4| d7 } q4W W dQ R X | dkr�tjd�}t dt� ��4}x,|D ]$}|j d �d }|j |�r�| d7 } q�W W dQ R X | dkr�dS | S X dS ) z0Return the number of logical CPUs in the system.�SC_NPROCESSORS_ONLNr z %s/cpuinfos processorr Nzcpu\dz%s/statra ) rv �sysconfr� rg rq �lowerr� �re�compilerl rx �match)Znumr� r� �searchr: r: r; �cpu_count_logicalE s$ r� c C s� i } i }t dt� ��z}xr|D ]j}|j� j� }|sXd|krRd|krR|d | |d < i }q |jd�sl|jd�r |jdd�\}}t|�||< q W W dQ R X t| j� �p�dS )z2Return the number of physical cores in the system.z %s/cpuinfos physical ids cpu coress :r N) rg rq r� r� r� rx r� �sumr� )�mappingZ current_infor� r� �key�valuer: r: r; �cpu_count_physicalb s r� c C s� t dt� ���} d}d}d}xx| D ]p}|jd�rBt|j� d �}n6|jd�r^t|j� d �}n|jd�rxt|j� d �}|dk r"|dk r"|dk r"P q"W W dQ R X d}tj||||�S )z*Return various CPU stats as a named tuple.z%s/statNs ctxtr s intrs softirqr )rg rq r� r� rx r Z scpustats)r� Z ctx_switchesZ interruptsZsoft_interruptsr� Zsyscallsr: r: r; � cpu_stats{ s" r� z /sys/devices/system/cpu/cpufreqz$/sys/devices/system/cpu/cpu0/cpufreqc C s� g } t j d�}|r$|jdd� d� nt j d�}|jdd� d� tjj}x�|D ]�}t||d�dd �}|dkr�t||d �dd �}|dkr�td ��t|�d }tt||d ���d }tt||d���d }| jt j |||�� qLW | S )z�Return frequency metrics for all CPUs. Contrarily to other OSes, Linux updates these values in real-time. z'/sys/devices/system/cpu/cpufreq/policy*c S s t tjj| �dd � �S )N� )r� rv rT �basename)rC r: r: r; �<lambda>� s zcpu_freq.<locals>.<lambda>)r� z)/sys/devices/system/cpu/cpu[0-9]*/cpufreqc S s t tjd| �jd��S )Nz[0-9]+r )r� r� r� �group)rC r: r: r; r� � s Zscaling_cur_freqN)r� Zcpuinfo_cur_freqz!can't find current frequency filei� Zscaling_max_freqZscaling_min_freq) �glob�sortrv rT r� r� �NotImplementedErrorr� r� r Zscpufreq)�ret�lsZpjoinrT ZcurrZmax_Zmin_r: r: r; �cpu_freq� s& r� c @ s e Zd ZdS )�_Ipv6UnsupportedErrorN)r7 r8 r9 r: r: r: r; r� � s r� c @ sZ e Zd ZdZdd� Zdd� Zdd� Zedd � �Zedd d ��Z edd d��Z ddd�Z d S )� Connectionsaw A wrapper on top of /proc/net/* files, retrieving per-process and system-wide open connections (TCP, UDP, UNIX) similarly to "netstat -an". Note: in case of UNIX sockets we're only able to determine the local endpoint/path, not the one it's connected to. According to [1] it would be possible but not easily. [1] http://serverfault.com/a/417946 c C s� dt jt jf}dt jt jf}dt jt jf}dt jt jf}dt jd f}|||||f||f|f|f||f|f|f|f||||f||f||fd� | _d | _d S )N�tcp�tcp6�udp�udp6�unix) �allr� �tcp4r� r� �udp4r� r� �inetZinet4Zinet6)�socket�AF_INET� SOCK_STREAM�AF_INET6Z SOCK_DGRAMZAF_UNIX�tmap� _procfs_path)�selfr� r� r� r� r� r: r: r; �__init__� s" zConnections.__init__c C s� t t�}x�tjd| j|f �D ]�}ytd| j||f �}W nJ tk r� } z.|jtjtj fkrbw n|jtj krrw n� W Y d d }~X q X |j d�r |dd � d d� }|| j |t |�f� q W |S )Nz%s/%s/fdz %s/%s/fd/%szsocket:[r� r ���)r �listrv �listdirr� rw �OSError�errno�ENOENT�ESRCH�EINVALr� r� r� )r� �pid�inodesrU �inoder� r: r: r; �get_proc_inodes� s zConnections.get_proc_inodesc C sl i }xbt � D ]X}y|j| j|�� W q tk rb } z"|jtjtjtjtjfkrR� W Y d d }~X q X q W |S )N) �pids�updater� r� r� r� r� �EPERM�EACCES)r� r� r� r� r: r: r; �get_all_inodes� s zConnections.get_all_inodesc C s� | j d�\}}t|d�}|s f S tr.|jd�}|tjkrntrZtj|tj |�ddd� �}q�tj|tj |��}nxtj |�}yJtr�tjtj t j d t j d|��� �}n tjtj t j d t j d|��� �}W n" tk r� t� s�t�n� Y nX tj||�S ) a� Accept an "ip:port" address as displayed in /proc/net/* and convert it into a human readable form, like: "0500000A:0016" -> ("10.0.0.5", 22) "0000000000000000FFFF00000100007F:9E49" -> ("::ffff:127.0.0.1", 40521) The IP address portion is a little or big endian four-byte hexadecimal number; that is, the least significant byte is listed first, so we need to reverse the order of the bytes to convert it to an IP address. The port is represented as a two-byte hexadecimal number. Reference: http://linuxdevcenter.com/pub/a/linux/2000/11/16/LinuxAdmin.html �:� �asciiNr �>4I�<4Ir� )r� )r� )rx r� r �encoder� r� � LITTLE_ENDIANZ inet_ntop�base64Z b16decoder� �struct�pack�unpackr� r r� r �addr)r �familyZipZportr: r: r; �decode_address s0 zConnections.decode_addressNc c sF | j d�r tjj| � r dS t| td���}|j� �x t|d�D ]�\}}y(|j� dd� \ }} } } }}}}}} W n& t k r� t d| ||f ��Y nX | |kr�|| d \} }nd \} }|dk r�|| kr�qBqB|t j kr�t | } ntj} y tj| |�} tj| |�} W n tk �r wBY nX |||| | | | fV qBW W dQ R X dS ) z.Parse /proc/net/tcp* and /proc/net/udp* files.�6N)� bufferingr rs z,error while parsing %s; malformed line %s %rr r� )Nr� )ry rv rT �existsrl �BIGFILE_BUFFERINGr� � enumeraterx r� � RuntimeErrorr� r� � TCP_STATUSESr � CONN_NONEr� r r� )�filer �type_r� � filter_pidr� �linenor� r� �laddr�raddr�statusr� r� rU r: r: r; � process_inetD s2 ( zConnections.process_inetc c s t | td���}|j� x�|D ]�}|j� }y |dd� \}}}}}}} W n. tk rt d|kr`w td| |f ��Y nX | |kr�|| } nd g} xd| D ]\\} } |dk r�|| kr�q�q�t|�dkr�|d } nd } t|�}d }tj }| ||| ||| fV q�W q W W dQ R X dS ) zParse /proc/net/unix files.)r r � ra z)error while parsing %s; malformed line %rNr r� � r� )Nr� r� ) rl r r� rx r� r r� r� r r )r r r� r r� r� �tokensr� r r� Zpairsr� rU rT r r r: r: r; � process_unixl s2 zConnections.process_unixc C s" || j kr,td|djdd� | j D ��f ��t� | _|d k rP| j|�}|sXg S n| j� }t� }x�| j | D ]�\}}}|tj tj fkr�| j d| j|f ||||d�}n | j d| j|f |||d�}xT|D ]L\} }}} } } } |r�t j| ||| | | �}nt j| ||| | | | �}|j|� q�W qjW t|�S )Nz+invalid %r kind argument; choose between %sz, c S s g | ] }t |��qS r: )�repr)r� rC r: r: r; r� � s z(Connections.retrieve.<locals>.<listcomp>z %s/net/%s)r )r� r� r� rq r� r� r� �setr� r� r� r r r ZpconnZsconn�addr� )r� �kindr� r� r� r� r r r� rU r r r Z bound_pidZconnr: r: r; �retrieve� s4 zConnections.retrieve)N)N)N) r7 r8 r9 �__doc__r� r� r� � staticmethodr r r r r: r: r: r; r� � s 7 ' %r� r� c C s t j| �S )z$Return system-wide open connections.)� _connectionsr )r r: r: r; �net_connections� s r" c C s� t dt� ��} | j� }W dQ R X i }x�|dd� D ]�}|jd�}|dksVtt|���|d|� j� }||d d� j� j� }tt |�\}}} } } } } }}}}}}}}}||||| || |f||< q4W |S )zsReturn network I/O statistics for every network interface installed on the system as a dict of raw tuples. z %s/net/devNr5 r� r r ) rl rq � readlines�rfindru r r� rx �mapr� )r� �lines�retdictr� Zcolon�namer� Z bytes_recvZ packets_recvZerrinZdropinZfifoinZframeinZ compressedinZ multicastinZ bytes_sentZ packets_sentZerroutZdropoutZfifooutZ collisionsoutZ carrieroutZ compressedoutr: r: r; �net_io_counters� s *r) c C sp t jtt jtt jti} t� j� }i }xF|D ]>}t j |�}t j |�}t j |�\}}t j|| | ||�||< q*W |S )z)Get NIC stats (isup, duplex, speed, mtu).)r� Z DUPLEX_FULLr Z DUPLEX_HALFr ZDUPLEX_UNKNOWNr r) �keys� cext_posixZ net_if_mtuZ net_if_flagsZnet_if_duplex_speedr Z snicstats)Z duplex_map�namesr� r( ZmtuZisupZduplexZspeedr: r: r; � net_if_stats� s r- c C s` dd� } i }| � }t dt� ��}|j� }W dQ R X �x$|D �]}|j� }t|�}|dkr�|d }t|d �} tt|dd � �\ } } } } }}}}}}n�|d kr�|d }tt|dd � �\ } } } } } }}}}}}nN|d k�r|d }tt|dd� �\} } } }d } } } }}n td | ��||kr<t|�}| |9 } ||9 }| | | || || ||f ||< q<W |S ) zcReturn disk I/O statistics for every disk installed on the system as a dict of raw tuples. c S s� g } t dt� ��}|j� dd � }W d Q R X xXt|�D ]L}|j� \}}}}|d j� rd| j|� q8| sz| d j|� r8| j|� q8W | S )Nz %s/partitionsr5 r r� r� )rl rq r# �reversedrx �isdigitr� r� )� partitionsr� r& r� r� r( r: r: r; �get_partitions� s z(disk_io_counters.<locals>.get_partitionsz %s/diskstatsN� r r5 r � r r z!not sure how to interpret line %r) rl rq r# rx r� r� r% r� r� )r1 r' r0 r� r& r� r� Z fields_lenr( ZreadsZ reads_mergedZrbytesZrtimeZwritesZ writes_mergedZwbytesZwtimer� rR Zssizer: r: r; �disk_io_counters� s6 (* r4 Fc C s� t � }tdt� ��V}xN|D ]F}|j� }|jd�sB|j|j� � q |jd�d }|dkr |jd� q W W dQ R X g }tj� }xT|D ]L}|\}} }} |dkr�d}| s�|dks�||kr�q�t j || || �} |j | � q�W |S ) z8Return mounted disk partitions as a list of namedtuples.z%s/filesystemsZnodev� r ZzfsNZnoner ) r rl rq r� r� r rx r� �disk_partitionsr Z sdiskpartr� ) r� Zfstypesr� r� Zfstype�retlistr0 r� ZdeviceZ mountpointZopts�ntupler: r: r; r6 ? s* r6 c C s. t jt�} tjd�}|jtjd�� ttdd� |D ���}x�|D ]�}ytt|d ��d }W n8 t t fk r� } zt j d| t � w@W Y dd}~X nX ttjjtjj|�d �d d �}t|d dd �}t|d dd �}t|d dd d�}|dk r�t|�d }|dk �rt|�d }| | j||||f� q@W | S )a� Return hardware (CPU and others) temperatures as a dict including hardware name, label, current, max and critical temperatures. Implementation notes: - /sys/class/hwmon looks like the most recent interface to retrieve this info, and this implementation relies on it only (old distros will probably use something else) - lm-sensors on Ubuntu 16.04 relies on /sys/class/hwmon - /sys/class/thermal/thermal_zone* is another one but it's more difficult to parse z /sys/class/hwmon/hwmon*/temp*_*z&/sys/class/hwmon/hwmon*/device/temp*_*c S s g | ]}|j d �d �qS )r� r )rx )r� rC r: r: r; r� s s z(sensors_temperatures.<locals>.<listcomp>�_inputg @�@z ignoring %rNr( F)r� Z_max)r� Z_crit�_labelr )r� r� )� collectionsr r� r� �extend�sortedr r� r� r� r� r� r� r� rv rT r� �dirnamer� ) r� � basenames�base�currentr� � unit_nameZhighZcritical�labelr: r: r; �sensors_temperatures` s* rD c C s� t jt�} tjd�}|s"tjd�}ttdd� |D ���}x�|D ]�}ytt|d ��}W n8 tt fk r� } zt j d| t � w>W Y dd}~X nX tt jjt jj|�d�d d �}t|d d d d �}| | jtj||�� q>W t| �S )a� Return hardware fans info (for CPU and other peripherals) as a dict including hardware label and current speed. Implementation notes: - /sys/class/hwmon looks like the most recent interface to retrieve this info, and this implementation relies on it only (old distros will probably use something else) - lm-sensors on Ubuntu 16.04 relies on /sys/class/hwmon z /sys/class/hwmon/hwmon*/fan*_*z%/sys/class/hwmon/hwmon*/device/fan*_*c S s g | ]}|j d �d �qS )r� r )rx )r� rC r: r: r; r� � s z sensors_fans.<locals>.<listcomp>r9 z ignoring %rNr( F)r� r: r )r� r� )r; r r� r� r= r r� r� r� r� r� r� r� rv rT r� r> r� r Zsfan�dict)r� r? r@ rA r� rB rC r: r: r; � sensors_fans� s rF c s� t � � � fdd�} tjjtd�}tjj|�s0dS | |d |d �}| |d |d �}| |d |d �}|dksv|dkrzdS |dk r�yd | | }W q� tk r� d }Y q�X n tt|d dd��}|d kr�dS d}| tjjtd�tjjtd��}|dk �r|dk}n4t|d ddd�j � }|dk�r*d}n|d k�r8d}|�rFt j } n2yt|| d �} W n tk �rv t j } Y nX t j || |�S ) a Return battery information. Implementation note: it appears /sys/class/power_supply/BAT0/ directory structure may vary and provide files with the same meaning but under different names, see: https://github.com/giampaolo/psutil/issues/966 c s: x4| D ],}t |� d�}|� kr|j� r.t|�S |S qW dS )zvAttempt to read the content of multiple files which may not exist. If none of them exist return None. )r� N)r� r/ r� )�pathsrT r� )�nullr: r; � multi_cat� s z"sensors_battery.<locals>.multi_catZBAT0Nz /energy_nowz /charge_nowz /power_nowz /current_nowz /energy_fullz /charge_fullg Y@g z /capacityr )r� z AC0/onlinez AC/onlinez/statusr F)r� r� Z discharging�charging�fullTi r� r� )rJ rK )�objectrv rT r� �POWER_SUPPLY_PATHr �ZeroDivisionErrorr� r� r� r ZPOWER_TIME_UNLIMITEDZPOWER_TIME_UNKNOWNZsbattery) rI �rootZ energy_nowZ power_nowZ energy_fullrI Z power_pluggedZonliner Zsecsleftr: )rH r; �sensors_battery� sT rP c C s` g } t j� }xN|D ]F}|\}}}}}}|s,q|dkr8d}tj||pDd|||�} | j| � qW | S )z:Return currently connected users as a list of namedtuples.�:0.0�:0Z localhostN)rQ rR )r� �usersr Zsuserr� ) r7 Zrawlist�itemr� ZttyZhostnameZtstampZ user_processr� �ntr: r: r; rS s rS c C sb dt � } t| ��F}x2|D ]*}|jd�rt|j� j� d �}|a|S qW td| ��W dQ R X dS )zAReturn the system boot time expressed in seconds since the epoch.z%s/stats btimer z line 'btime' not found in %sN)rq rg r� r� r� rx � BOOT_TIMEr )rT r� r� r� r: r: r; � boot_time s rW c C s dd� t jtt� ��D �S )z7Returns a list of PIDs currently running on the system.c S s g | ]}|j � rt|��qS r: )r/ r� )r� rC r: r: r; r� , s zpids.<locals>.<listcomp>)rv r� r rq r: r: r: r; r� * s r� c C s� t j| �sdS ybdt� | f }t|��B}x.|D ]&}|jd�r.t|j� d �}|| kS q.W td| ��W dQ R X W n ttfk r� | t � kS X dS )zcCheck for the existence of a unix PID. Linux TIDs are not supported (always return False). Fz %s/%s/statuss Tgid:r z'Tgid' line not found in %sN) r � pid_existsrq rg r� r� rx r� �EnvironmentErrorr� )r� rT r� r� Ztgidr: r: r; rX / s rX c C s� i } t � }x�t� D ]�}y(td||f ��}|j� }W dQ R X W n> tk r| } z"|jtjtjtjtj fkrl� W Y dd}~X qX |j d�}||d d� j � }t |d �}|| |< qW | S )zsObtain a {pid: ppid, ...} dict for all running processes in one shot. Used to speed up Process.children(). z %s/%s/statN� )r5 r ) rq r� rg r� rY r� r� r� r� r� r$ rx r� ) r� r� r� r� �datar� �rparZdset�ppidr: r: r; �ppid_mapO s r^ c s t j� �� fdd��}|S )zlDecorator which translates bare OSError and IOError exceptions into NoSuchProcess and AccessDenied. c s� y� | f|�|�S t k r� } zv|jtjtjfkrBt| j| j��|jtjkr\t| j| j��|jtj kr�t j j d| j | jf � r�t| j| j��� W Y d d }~X nX d S )Nz%s/%s)rY r� r� r� r r� �_namer� r r� rv rT r r� )r� �argsrf r� )�funr: r; �wrapperk s z wrap_exceptions.<locals>.wrapper)� functools�wraps)ra rb r: )ra r; �wrap_exceptionsg s re c @ sn e Zd ZdZddddgZdd� Zedd � �Zed d � �Zed d � �Z dd� Z dd� Z e dd� �Z dd� Ze dd� �Ze dd� �Ze dd� �Zejjd ej� �r�e d d � �Znd d � Ze d d!� �Ze d"d#� �Ze d`d%d&��Ze d'd(� �Ze d)d*� �Ze �r"e e j d+�e j d,�e j d-�fd.d/��Z neZ e �r:e d0d1� �Z nd2d1� Z e d3d4� �Z!e e j d5�fd6d7��Z"e e j d8�fd9d:��Z#e d;d<� �Z$e d=d>� �Z%e d?d@� �Z&e dAdB� �Z'e j dC�fdDdE�Z(e dFdG� �Z)e*e+dH��r�e dIdJ� �Z,e dKdL� �Z-e.�r e dadMdN��Z/e dOdP� �Z0e dQdR� �Z1e dbdTdU��Z2e dVdW� �Z3e dXdY� �Z4e e j dZ�fd[d\��Z5e e j d]�fd^d_��Z6d$S )c�Processz Linux process implementation.r� r_ �_ppidr� c C s || _ d | _d | _t� | _d S )N)r� r_ rg rq r� )r� r� r: r: r; r� � s zProcess.__init__c C sf t d| j| jf ��}|j� }W dQ R X |jd�}||jd�d |� }||d d� j� }|g| S )a{ Parse /proc/{pid}/stat file. Return a list of fields where process name is in position 0. Using "man proc" as a reference: where "man proc" refers to position N, always substract 2 (e.g starttime pos 22 in 'man proc' == pos 20 in the list returned here). The return value is cached in case oneshot() ctx manager is in use. z %s/%s/statNrZ � (r r5 )rg r� r� r� r$ �findrx )r� r� r[ r\ r( Zothersr: r: r; �_parse_stat_file� s zProcess._parse_stat_filec C s( t d| j| jf �� }|j� S Q R X dS )z�Read /proc/{pid}/stat file and return its content. The return value is cached in case oneshot() ctx manager is in use. z %s/%s/statusN)rg r� r� r� )r� r� r: r: r; �_read_status_file� s zProcess._read_status_filec C s0 t d| j| jf td��}|j� j� S Q R X d S )Nz %s/%s/smaps)r )rg r� r� r r� r� )r� r� r: r: r; �_read_smaps_file� s zProcess._read_smaps_filec C s" | j j� | jj� | jj� d S )N)rj Zcache_activaterk rl )r� r: r: r; � oneshot_enter� s zProcess.oneshot_enterc C s" | j j� | jj� | jj� d S )N)rj Zcache_deactivaterk rl )r� r: r: r; � oneshot_exit� s zProcess.oneshot_exitc C s | j � d }trt|�}|S )Nr )rj r rm )r� r( r: r: r; r( � s z Process.namec C s� yt d| j| jf �S tk r� } z�|jtjtjfkr�tjj d| j| jf �rTdS t | j�snt | j| j ��nt | j| j | j��|jtjtjfkr�t| j| j ��� W Y d d }~X nX d S )Nz %s/%s/exez%s/%sr )rw r� r� r� r� r� r� rv rT �lexistsrX r r_ r rg r� r� r )r� r� r: r: r; �exe� s z Process.exec C sl t d| j| jf ��}|j� }W d Q R X |s0g S |jd�r>dnd}|j|�rX|d d� }dd� |j|�D �S )Nz %s/%s/cmdlinerr ra r c S s g | ]}|�qS r: r: )r� rC r: r: r; r� � s z#Process.cmdline.<locals>.<listcomp>r� )rl r� r� r� ry rx )r� r� r[ �sepr: r: r; �cmdline� s zProcess.cmdlinec C s0 t d| j| jf ��}|j� }W d Q R X t|�S )Nz %s/%s/environ)rl r� r� r� r )r� r� r[ r: r: r; �environ� s zProcess.environc C s: t | j� d �}tj� }y|| S tk r4 d S X d S )N� )r� rj r Zget_terminal_mapr� )r� Ztty_nrr� r: r: r; �terminal� s zProcess.terminalz /proc/%s/ioc C s� d| j | jf }i }t|��:}x2|D ]*}|j� }|r$|jd�\}}t|�||< q$W W d Q R X |sltd| ��t|d |d |d |d |d |d �S ) Nz%s/%s/ios : z%s file was emptys syscrs syscws read_bytess write_bytess rchars wchar)r� r� rg r� rx r� r rb )r� re r� r� r� r( r� r: r: r; � io_counters� s" zProcess.io_countersc C s t d| j ��d S )Nz+couldn't find /proc/%s/io (kernel too old?))r� r� )r� r: r: r; rv s c C sX | j � }t|d �t }t|d �t }t|d �t }t|d �t }tj||||�S )N� � r3 r2 )rj r� r� r Z pcputimes)r� r� �utime�stimeZchildren_utimeZchildren_stimer: r: r; r� s zProcess.cpu_timesc C s t | j� d �S )zWhat CPU the process is on.�% )r� rj )r� r: r: r; �cpu_num s zProcess.cpu_numNc C s t j| j|| j�S )N)r Zwait_pidr� r_ )r� Ztimeoutr: r: r; �wait s z Process.waitc C s& | j � }tpt� }t|d �t | S )N� )rj rV rW r� r� )r� r� Zbtr: r: r; � create_time" s zProcess.create_timec C s` t d| j| jf ��2}dd� |j� j� d d� D �\}}}}}}}W d Q R X t|||||||�S )Nz %s/%s/statmc S s g | ]}t |�t �qS r: )r� r� )r� rC r: r: r; r� < s z'Process.memory_info.<locals>.<listcomp>r )rg r� r� r� rx rX ) r� r� Zvmsr^ rP �text�libr[ Zdirtyr: r: r; � memory_info- s 6zProcess.memory_infos Private.*:\s+(\d+)s Pss.*:\s+(\d+)s Swap.*:\s+(\d+)c C sj | j � }| j� }ttt|j|���d }ttt|j|���d }ttt|j|���d }t||||f � S )Ni )r� rl r� r% r� �findallrY ) r� Z _private_reZ_pss_reZ_swap_reZ basic_memZ smaps_datarZ r[ r\ r: r: r; �memory_full_infoC s zProcess.memory_full_infoc C sX dd� }| j � }|sg S |jd�}g }|jd�}|g}�x|||�D �] \}}|jdd�}y|\} } } } } }W n* tk r� |dg \} } } } } }Y nX |s�d}n4tr�t|�}|j� }|jd �r�t|� r�|dd� }|j t| �t| �||d |j d d�|j d d�|j dd�|j dd�|j dd�|j dd�|j dd�|j dd�|j dd�f � qDW |S )z�Return process's mapped memory regions as a list of named tuples. Fields are explained in 'man proc'; here is an updated (Apr 2012) version: http://goo.gl/fmebo c s s� i }x�| D ]�}|j d d�}|d jd�sB|j� |fV |j|� q y t|d �d ||d < W q tk r� |d jd�r�w n td| ��Y q X q W |j� |fV d S )Nrt r � :r i s VmFlags:z#don't know how to interpret line %r)rx ry �popr� r� r� r� )r& � current_blockr[ r� r� r: r: r; � get_blocksi s z'Process.memory_maps.<locals>.get_blocks� r Nrt r z[anon]z (deleted)rs s Rss:s Size:s Pss:s Shared_Clean:s Shared_Dirty:s Private_Clean:s Private_Dirty:s Referenced:s Anonymous:s Swap:i����) rl rx r� r� r rm r� ry r r� r� )r� r� r[ r& r� Z first_liner� �headerZhfieldsr Zperms�offsetZdevr� rT r: r: r; � memory_mapsc sF zProcess.memory_mapsc C s t d| j ��d S )Nzn/proc/%s/smaps does not exist on kernels < 2.6.14 or if CONFIG_MMU kernel configuration option is not enabled.)r� r� )r� r: r: r; r� � s c C s| yt d| j| jf �S tk rv } zF|jtjtjfkrdt| j�sRt| j| j ��nt | j| j | j ��� W Y d d }~X nX d S )Nz %s/%s/cwd) rw r� r� r� r� r� r� rX r r_ r rg )r� r� r: r: r; �cwd� s z Process.cwds ctxt_switches:\t(\d+)c C sL | j � }|j|�}|s,td| j| jf ��n tjt|d �t|d ��S d S )Nz�'voluntary_ctxt_switches' and 'nonvoluntary_ctxt_switches'lines were not found in %s/%s/status; the kernel is probably older than 2.6.23r r )rk r� r� r� r� r Zpctxswr� )r� Z _ctxsw_rer[ Zctxswr: r: r; �num_ctx_switches� s zProcess.num_ctx_switchess Threads:\t(\d+)c C s | j � }t|j|�d �S )Nr )rk r� r� )r� Z_num_threads_rer[ r: r: r; � num_threads� s zProcess.num_threadsc C s t jd| j| jf �}|j� g }d}x�|D ]�}d| j| j|f }y$t|��}|j� j� }W d Q R X W n6 tk r� } z|j t j kr�d}w,� W Y d d }~X nX ||j d�d d � }|j d�} t | d �t } t | d �t } tjt|�| | �} |j| � q,W |�rt jd | j| jf � |S ) Nz %s/%s/taskFz%s/%s/task/%s/statTrZ r5 r� � rw z%s/%s)rv r� r� r� r� rg r� r� r� r� r� ri rx r� r� r Zpthreadr� r� �stat) r� Z thread_idsr7 � hit_enoentZ thread_idre r� �str� r� ry rz r8 r: r: r; �threads� s0 zProcess.threadsc C s t j| j�S )N)r+ � getpriorityr� )r� r: r: r; �nice_get� s zProcess.nice_getc C s t j| j|�S )N)r+ � setpriorityr� )r� r� r: r: r; �nice_set� s zProcess.nice_setc C s t j| j�S )N)r� Zproc_cpu_affinity_getr� )r� r: r: r; �cpu_affinity_get� s zProcess.cpu_affinity_gets Cpus_allowed_list:\t(\d+)-(\d+)c C sV | j � }|j|�}|r@ttt|d d �t|d d �d ��S tttt� ���S d S )Nr r )rk r� r� �ranger� r� r� )r� Z_rer[ r� r: r: r; �_get_eligible_cpus� s *zProcess._get_eligible_cpusc C s� yt j| j|� W n� ttfk r� } zvt|t�s>|jtjkr�| j� }t t t t � ���}x<|D ]4}||krztd||f ��||kr^td||f ��q^W � W Y d d }~X nX d S )Nz(invalid CPU number %r; choose between %sz0CPU number %r is not eligible; choose between %s) r� Zproc_cpu_affinity_setr� r� r� rt r� r� r� �tupler� r� r� )r� r� r� Z eligible_cpusZall_cpusZcpur: r: r; �cpu_affinity_set s zProcess.cpu_affinity_set�proc_ioprio_getc C s, t j| j�\}}td k r t|�}tj||�S )N)r� r� r� �enumr6 r Zpionice)r� �ioclassr� r: r: r; � ionice_get s zProcess.ionice_getc C s� |d k rNt r.t|ttf� r.d| }t|��d| ko@dkn sNtd��|td fkrx|rnd| }t|��t}d}nH|tkr�|r�d| }t|��d}n&|tt fkr�|d kr�d}n td| ��t j | j ||�S ) Nz)value argument is not an integer (gor %r)r r z0value argument range expected is between 0 and 7z3can't specify value with IOPRIO_CLASS_NONE (got %r)z3can't specify value with IOPRIO_CLASS_IDLE (got %r)r zinvalid ioclass argument %r) r rt r� r � TypeErrorr� r r# r! r" r� Zproc_ioprio_setr� )r� r� r� r� r: r: r; � ionice_set% s2 zProcess.ionice_setc C s� | j dkrtd��yP|d kr*tj| j |�S t|�dkrFtdt|� ��|\}}tj| j |||� W nN tk r� } z2|jtjkr�t | j �r�t | j | j | j ��n� W Y d d }~X nX d S )Nr z)can't use prlimit() against PID 0 processr5 z4second argument must be a (soft, hard) tuple, got %s) r� r� r� r/ r� r r� r� ZENOSYSrX r r_ rg )r� ZresourceZlimitsZsoftZhardr� r: r: r; �rlimitG s zProcess.rlimitc C s$ | j � d }tr|j� }tj|d�S )Nr �?)rj r rm � PROC_STATUSESr� )r� Zletterr: r: r; r b s zProcess.statusc C s� g }t jd| j| jf �}d}�xH|D �]>}d| j| j|f }y t|�}W nN tk r� } z2|jtjtjfkrvd}w&n|jtj kr�w&n� W Y d d }~X q&X |j d�o�t |�r&d| j| j|f }yBt |��0}t |j� j� d �} t |j� j� d d�} W d Q R X W n: tk �r: } z |jtjk�r(d}n� W Y d d }~X q&X t| �} t|t |�t | �| | �} |j| � q&W |�r�t jd | j| jf � |S ) Nz%s/%s/fdFz %s/%s/fd/%sT�/z%s/%s/fdinfo/%sr r� z%s/%s)rv r� r� r� rw r� r� r� r� r� r� r rg r� r� rx r� r� rS r� r� ) r� r7 �filesr� rU r rT r� r� �posrW rV r8 r: r: r; � open_filesj s@ $zProcess.open_filesr� c C s( t j|| j�}tjd| j| jf � |S )Nz%s/%s)r! r r� rv r� r� )r� r r� r: r: r; � connections� s zProcess.connectionsc C s t tjd| j| jf ��S )Nz%s/%s/fd)r� rv r� r� r� )r� r: r: r; �num_fds� s zProcess.num_fdsc C s t | j� d �S )Nr5 )r� rj )r� r: r: r; r] � s z Process.ppids Uid:\t(\d+)\t(\d+)\t(\d+)c C s6 | j � }|j|�d \}}}tjt|�t|�t|��S )Nr )rk r� r Zpuidsr� )r� Z_uids_rer[ �real� effective�savedr: r: r; �uids� s z Process.uidss Gid:\t(\d+)\t(\d+)\t(\d+)c C s6 | j � }|j|�d \}}}tjt|�t|�t|��S )Nr )rk r� r Zpgidsr� )r� Z_gids_rer[ r� r� r� r: r: r; �gids� s z Process.gids)N)N)r� )7r7 r8 r9 r � __slots__r� r rj rk rl rm rn re r( rp rr rs ru rv rT r �getpidrv r� r| r} r r� � HAS_SMAPSr� r� r� r� r� r� r� r� r� r� r� r� r� �hasattrr� r� r� � HAS_PRLIMITr� r r� r� r� r] r� r� r: r: r: r; rf � st B ! 2 rf )r r r� )rZ r[ r\ )r� )F)�r Z __future__r r� r; r� rc r� rv r� r� r ro � tracebackr� r r r r r r r� r r+ r r r r r r r r r r r r Z_compatr r r r � _exceptionsr r r � version_infor� Z__extra__all__rM rT r r� r� r� r� rL r� �dirr( r� r� r� r� r� rV r � byteorderr� r� Z AF_PACKETr4 �IntEnumr� r3 r r! 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