Current File : //lib/python2.7/site-packages/vdo/utils/FileUtils.pyc
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FileUtils - Provides dmmgmnt file-related capabilities.
$Id: //eng/vdo-releases/magnesium/src/python/vdo/utils/FileUtils.py#1 $
i����( t print_functionNi ( t Command( t Timeoutt TimeoutErrort utilst FileBasec B sh e Z d Z e j d � Z e d � � Z d � Z d � Z d � Z
e d � � Z e j d � � Z RS( s� The FileBase object; provides basic file control.
Class attributes:
log (logging.Logger) - logger for this class
Attributes:
None
s utils.FileBasec C s | j S( N( t _FileBase__filePath( t self( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyt path: s c O sA t t | � j � t j j | � | _ | j d d � | _ d S( s:
Arguments:
None
Returns:
Nothing
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__module__t __doc__t loggingt getLoggert logt propertyR R R R R t setter( ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR - s t FileTouchc B s8 e Z d Z e j d � Z d � Z d � Z d � Z RS( s� The FileTouch object; touches the file.
Class attributes:
log (logging.Logger) - logger for this class
Attributes:
None
s utils.FileTouchc O s t t | � j | | | � d S( s:
Arguments:
None
Returns:
Nothing
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d d | g � } | j � n t j | j t j � s� | j � q� n | S( s0 Make certain the file exists and return ourself.t mkdirs -pN(
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R$ R R R R R t dirnamet accesst F_OKR t runt _createFile( R t dirPatht cmd( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR � s
c C s# t d | j g � } | j � d S( s Creates the targe file.t touchN( R R R) ( R R, ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR* � s ( R R R R R R! R R R* ( ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR$ h s
t FileOpenc B s� e Z d Z e j d � Z e d � � Z d � Z d d � Z d d � Z
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� Z d � Z d d � Z d � Z e d � � Z RS( s� The FileOpen object; provides basic access to a file.
Class attributes:
log (logging.Logger) - logger for this class
Attributes:
None
s utils.FileOpenc C s | j S( N( t _FileOpen__file( R ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyt file� s c C s | j j � d S( N( R0 t flush( R ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR1 � s i����c C s | j j | � S( N( R0 t read( R t
numberOfBytes( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR2 � s c C s | j j | � S( N( R0 t readline( R R3 ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR4 � s c C s- | d k r | j j � S| j j | � Sd S( N( R R0 t readlines( R t numberOfBytesHint( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR5 � s
c C s | j j | | � d S( N( R0 t seek( R t offsett whence( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR7 � s c C s0 | d k r | j j � n | j j | � d S( N( R R0 t truncate( R t size( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR: � s c C s | j j | � d S( N( R0 t write( R t string( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR< � s c C s | j j | � d S( N( R0 t writeline( R t sequenceOfStrings( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyt
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� | _ | S( s! Open the file and return ourself.N( R
R. R R R R t openR t _osModet fdopent _FileOpen__modeR/ ( R ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR � s
c C s) | j j � t t | � j | | | � S( s Close the file.( R0 t closeR
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Arguments:
None
Returns:
Nothing
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R. R R t lenR t O_RDWRt O_RDONLYt O_WRONLYt O_TRUNCt O_APPENDR/ RE t _FileOpen__osMode( R R t modeR R t osMode( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR � s " c C s | S( N( ( R ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyt __iter__ s c C s | j S( N( RQ ( R ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyRC s N( R R R R R R! R" R0 R1 R2 R4 R R5 R t SEEK_SETR7 R: R< R@ RA R R R RT RC ( ( ( s7 /usr/lib/python2.7/site-packages/vdo/utils/FileUtils.pyR. � s" t FileLockc B s; e Z d Z e j d � Z d d � Z d � Z d � Z RS( s The FileLock object; a context manager providing interlocked access on
a file.
The file is created, if necessary.
Class attributes:
log (logging.Logger) - logger for this class
Attributes:
_timeout - timeout in seconds (None = no timeout)
s utils.FileLockc O s& t t | � j | | � | | _ d S( s�
Arguments:
filePath - (str) path to file
mode - (str) open mode
timeout - (int) timeout in seconds; may be None
Returns:
Nothing
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s_ If the open mode is read-only the file is locked shared else it is
locked exclusively.
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| � j | | | � S( s Unlocks and closes the file.s released lock {f}R[ ( R^ Rd R0 t LOCK_UNR R! Ra Rb R R
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t FileTempc B s8 e Z d Z e j d � Z d d d d � Z d � Z RS( s� The FileTemp object; a context manager providing temporary files
with specified (or default) owner and permissions.
An optional destination parameter specifies the location to which the
temp file should be moved at exit, if no exception is encountered.
The move, if specified, is performed after performing the owner
manipulations.
Class attributes:
log (logging.Logger) - logger for this class
Attributes:
None
s utils.FileTempc O s| t j � } t t | � j | d d d | d �| sN t t j � � } n | s] d } n | | _ | | _ | | _
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Arguments:
owner - (str) the owner to set for the file
ownerPerm - (str) the permissions to set for the owner
destination (str) the path to which to move the temp file on exit
Returns:
Nothing
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