관리-도구
편집 파일: codeop.cpython-33.pyc
� �� fj c @ s� d Z d d l Z d d � e j D� Z d d d g Z d Z d d � Z d d � Z d d d d � Z Gd d � d � Z Gd d � d � Z d S( u[ Utilities to compile possibly incomplete Python source code. This module provides two interfaces, broadly similar to the builtin function compile(), which take program text, a filename and a 'mode' and: - Return code object if the command is complete and valid - Return None if the command is incomplete - Raise SyntaxError, ValueError or OverflowError if the command is a syntax error (OverflowError and ValueError can be produced by malformed literals). Approach: First, check if the source consists entirely of blank lines and comments; if so, replace it with 'pass', because the built-in parser doesn't always do the right thing for these. Compile three times: as is, with \n, and with \n\n appended. If it compiles as is, it's complete. If it compiles with one \n appended, we expect more. If it doesn't compile either way, we compare the error we get when compiling with \n or \n\n appended. If the errors are the same, the code is broken. But if the errors are different, we expect more. Not intuitive; not even guaranteed to hold in future releases; but this matches the compiler's behavior from Python 1.4 through 2.2, at least. Caveat: It is possible (but not likely) that the parser stops parsing with a successful outcome before reaching the end of the source; in this case, trailing symbols may be ignored instead of causing an error. For example, a backslash followed by two newlines may be followed by arbitrary garbage. This will be fixed once the API for the parser is better. The two interfaces are: compile_command(source, filename, symbol): Compiles a single command in the manner described above. CommandCompiler(): Instances of this class have __call__ methods identical in signature to compile_command; the difference is that if the instance compiles program text containing a __future__ statement, the instance 'remembers' and compiles all subsequent program texts with the statement in force. The module also provides another class: Compile(): Instances of this class act like the built-in function compile, but with 'memory' in the sense described above. i Nc C s g | ] } t t | � � q S( ( u getattru __future__( u .0u fname( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu <listcomp>= s u <listcomp>u compile_commandu Compileu CommandCompileri c . C su xR | j d � D], } | j � } | r | d d k r Pq q W| d k rU d } n d } } } d } } } y | | | | � } Wn% t k r� } z WYd d } ~ Xn Xy | | d | | � } Wn+ t k r� } z | } WYd d } ~ Xn Xy | | d | | � } Wn+ t k r>} z | } WYd d } ~ Xn X| rI| S| rqt | � t | � k rq| � n d S( Nu i u #u evalu passu ( u splitu stripu Noneu SyntaxErroru repr( u compileru sourceu filenameu symbolu lineu erru err1u err2u codeu code1u code2u e( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu _maybe_compileD s0 u _maybe_compilec C s t | | | t � S( N( u compileu PyCF_DONT_IMPLY_DEDENT( u sourceu filenameu symbol( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu _compilee s u _compileu <input>u singlec C s t t | | | � S( us Compile a command and determine whether it is incomplete. Arguments: source -- the source string; may contain \n characters filename -- optional filename from which source was read; default "<input>" symbol -- optional grammar start symbol; "single" (default) or "eval" Return value / exceptions raised: - Return a code object if the command is complete and valid - Return None if the command is incomplete - Raise SyntaxError, ValueError or OverflowError if the command is a syntax error (OverflowError and ValueError can be produced by malformed literals). ( u _maybe_compileu _compile( u sourceu filenameu symbol( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu compile_commandh s c B s2 | Ee Z d Z d Z d d � Z d d � Z d S( u Compileu� Instances of this class behave much like the built-in compile function, but if one is used to compile text containing a future statement, it "remembers" and compiles all subsequent program texts with the statement in force.c C s t | _ d S( N( u PyCF_DONT_IMPLY_DEDENTu flags( u self( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu __init__� s u Compile.__init__c C sU t | | | | j d � } x3 t D]+ } | j | j @r" | j | j O_ q" q" W| S( Ni ( u compileu flagsu _featuresu co_flagsu compiler_flag( u selfu sourceu filenameu symbolu codeobu feature( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu __call__� s u Compile.__call__N( u __name__u __module__u __qualname__u __doc__u __init__u __call__( u __locals__( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu Compile| s c B s8 | Ee Z d Z d Z d d � Z d d d d � Z d S( u CommandCompileru( Instances of this class have __call__ methods identical in signature to compile_command; the difference is that if the instance compiles program text containing a __future__ statement, the instance 'remembers' and compiles all subsequent program texts with the statement in force.c C s t � | _ d S( N( u Compileu compiler( u self( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu __init__� s u CommandCompiler.__init__u <input>u singlec C s t | j | | | � S( u� Compile a command and determine whether it is incomplete. Arguments: source -- the source string; may contain \n characters filename -- optional filename from which source was read; default "<input>" symbol -- optional grammar start symbol; "single" (default) or "eval" Return value / exceptions raised: - Return a code object if the command is complete and valid - Return None if the command is incomplete - Raise SyntaxError, ValueError or OverflowError if the command is a syntax error (OverflowError and ValueError can be produced by malformed literals). ( u _maybe_compileu compiler( u selfu sourceu filenameu symbol( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu __call__� s u CommandCompiler.__call__N( u __name__u __module__u __qualname__u __doc__u __init__u __call__( u __locals__( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu CommandCompiler� s ( u __doc__u __future__u all_feature_namesu _featuresu __all__u PyCF_DONT_IMPLY_DEDENTu _maybe_compileu _compileu compile_commandu Compileu CommandCompiler( ( ( u+ /opt/alt/python33/lib64/python3.3/codeop.pyu <module>9 s !