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Edit File: py_compile.pyc
� �04gc @ s� d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z e j � Z d d d g Z d e f d � � YZ d � Z d d e d � Z d d � Z e d k r� e j e � � n d S( s{ Routine to "compile" a .py file to a .pyc (or .pyo) file. This module has intimate knowledge of the format of .pyc files. i����Nt compilet maint PyCompileErrorc B s# e Z d Z d d � Z d � Z RS( s� Exception raised when an error occurs while attempting to compile the file. To raise this exception, use raise PyCompileError(exc_type,exc_value,file[,msg]) where exc_type: exception type to be used in error message type name can be accesses as class variable 'exc_type_name' exc_value: exception value to be used in error message can be accesses as class variable 'exc_value' file: name of file being compiled to be used in error message can be accesses as class variable 'file' msg: string message to be written as error message If no value is given, a default exception message will be given, consistent with 'standard' py_compile output. message (or default) can be accesses as class variable 'msg' t c C s� | j } | t k rI d j t j | | � � } | j d d | � } n d | | f } t j | | pk | | | | � | | _ | | _ | | _ | p� | | _ d S( NR s File "<string>"s File "%s"s Sorry: %s: %s( t __name__t SyntaxErrort joint tracebackt format_exception_onlyt replacet Exceptiont __init__t exc_type_namet exc_valuet filet msg( t selft exc_typeR R R R t tbtextt errmsg( ( s /usr/lib/python2.7/py_compile.pyR - s c C s | j S( N( R ( R ( ( s /usr/lib/python2.7/py_compile.pyt __str__< s ( R t __module__t __doc__R R ( ( ( s /usr/lib/python2.7/py_compile.pyR s c C sl | j t | d @� � | j t | d ?d @� � | j t | d ?d @� � | j t | d ?d @� � d S( s> Internal; write a 32-bit int to a file in little-endian order.i� i i i N( t writet chr( t ft x( ( s /usr/lib/python2.7/py_compile.pyt wr_long@ s c C s� t | d � �a } y" t t j | j � � j � } Wn) t k r_ t t j | � j � } n X| j � } Wd QXy t j | | p� | d � } WnX t k r� } t | j | | p� | � } | r� | � q� t j j | j d � d Sn X| d k r| t rd p d } n d j | t | � � } y} t | d � �X } | j d � t | | � t j | | � | j � | j d d � | j t � Wd QXt j | | � Wn9 t k r�y t j | � Wn t k r�n X� n Xd S( sL Byte-compile one Python source file to Python bytecode. Arguments: file: source filename cfile: target filename; defaults to source with 'c' or 'o' appended ('c' normally, 'o' in optimizing mode, giving .pyc or .pyo) dfile: purported filename; defaults to source (this is the filename that will show up in error messages) doraise: flag indicating whether or not an exception should be raised when a compile error is found. If an exception occurs and this flag is set to False, a string indicating the nature of the exception will be printed, and the function will return to the caller. If an exception occurs and this flag is set to True, a PyCompileError exception will be raised. Note that it isn't necessary to byte-compile Python modules for execution efficiency -- Python itself byte-compiles a module when it is loaded, and if it can, writes out the bytecode to the corresponding .pyc (or .pyo) file. However, if a Python installation is shared between users, it is a good idea to byte-compile all modules upon installation, since other users may not be able to write in the source directories, and thus they won't be able to write the .pyc/.pyo file, and then they would be byte-compiling every module each time it is loaded. This can slow down program start-up considerably. See compileall.py for a script/module that uses this module to byte-compile all installed files (or all files in selected directories). t UNt execs t ct os {}.{}t wbs i ( t opent longt ost fstatt filenot st_mtimet AttributeErrort statt readt __builtin__R R R t __class__t syst stderrR R t Nonet __debug__t formatt idR t marshalt dumpt flusht seekt MAGICt renamet OSErrort unlink( R t cfilet dfilet doraiseR t timestampt codestringt codeobjectt errt py_exct path_tmpt fc( ( s /usr/lib/python2.7/py_compile.pyR G s@ #" c C s8 | d k r t j d } n d } | d g k r� x t r� t j j � } | sS Pn | j d � } y t | d t �Wq4 t k r� } d } t j j d | j � q4 t k r� } d } t j j d | � q4 Xq4 WnX xU | D]M } y t | d t �Wq� t k r/} d } t j j d | j � q� Xq� W| S( s� Compile several source files. The files named in 'args' (or on the command line, if 'args' is not specified) are compiled and the resulting bytecode is cached in the normal manner. This function does not search a directory structure to locate source files; it only compiles files named explicitly. If '-' is the only parameter in args, the list of files is taken from standard input. i i t -s R< s %s N( R. R, t argvt Truet stdint readlinet rstripR R R- R R t IOError( t argst rvt filenamet error( ( s /usr/lib/python2.7/py_compile.pyR � s0 t __main__( R R* t impR2 R# R, R t get_magicR6 t __all__R R R R. t FalseR R R t exit( ( ( s /usr/lib/python2.7/py_compile.pyt <module> s . G &