B >\@sdZddlmZddlZddlZddlZddlZddlZddlm Z m Z ddlm Z dddd d gZ ed Zdd dZdd dZddZdd ZddZddZddZddd ZdS)z, API for the command-line I{pyflakes} tool. )with_statementN)checker __version__)reportercheck checkPathcheckRecursiveiterSourceCodemains^#!.*\bpython[23w]?\b\s*$c Cst|dkrt}ytj||d}Wntk rtd}|jd}|j|j |j }}}t j r|dkr| } t| |kr| |d}tjdkrt|try|d}Wntk rd}YnX|d8}|dkr||dn||||||dStk r ||ddSXt |} t j|| |d} | jjd d d x| jD]} || qVWt| jS) a Check the Python source given by C{codeString} for flakes. @param codeString: The Python source to check. @type codeString: C{str} @param filename: The name of the file the source came from, used to report errors. @type filename: C{str} @param reporter: A L{Reporter} instance, where errors and warnings will be reported. @return: The number of warnings emitted. @rtype: C{int} N)filenamer)asciizproblem decoding source) file_tokensr cSs|jS)N)lineno)mr+lib/python3.7/site-packages/pyflakes/api.pyKszcheck..)key) modReporter_makeDefaultReporterastparse SyntaxErrorsysexc_infoargsroffsettextrZPYPY splitlineslen version_info isinstancebytesdecodeUnicodeDecodeErrorunexpectedErrorZ syntaxError ExceptionZ make_tokensZCheckerZmessagessortZflake) Z codeStringr rZtreevaluemsgrrrlinesrwZwarningrrrrs@        c Csr|dkrt}y"t|d}|}WdQRXWn2tk rdtd}|||jddSXt |||S)z Check the given path, printing out any warnings detected. @param reporter: A L{Reporter} instance, where errors and warnings will be reported. @return: the number of warnings printed Nrbr ) rropenreadIOErrorrrr'rr)r rfZcodestrr+rrrrQs   c Csx|drdS|drdSd}y,t|d}||}|s@dSWdQRXWntk r`dSX|d}t|S) z0Return True if filename points to a Python file.z.pyT~Fr.Nr)endswithr/r0r1r PYTHON_SHEBANG_REGEXmatch)r Z max_bytesr2rZ first_linerrr isPythonFilefs     r8ccsjxd|D]\}tj|r\xJt|D]4\}}}x(|D] }tj||}t|r2|Vq2Wq"Wq|VqWdS)z Iterate over all Python source files in C{paths}. @param paths: A list of paths. Directories will be recursed into and any .py files found will be yielded. Any non-directories will be yielded as-is. N)ospathisdirwalkjoinr8)pathsr:dirpathZdirnames filenamesr full_pathrrrr }s   cCs(d}xt|D]}|t||7}qW|S)a; Recursively check all source files in C{paths}. @param paths: A list of paths to Python source files and directories containing Python source files. @param reporter: A L{Reporter} where all of the warnings and errors will be reported to. @return: The number of warnings found. r)r r)r>rwarningsZ sourcePathrrrrs csbddl}yt||}Wntk r*dSXfdd}y|||Wntk r\YnXdS)zHandles a signal with sys.exit. Some of these signals (SIGPIPE, for example) don't exist or are invalid on Windows. So, ignore errors that might arise. rNcstdS)N)rexit)Zsigr2)messagerrhandlersz_exitOnSignal..handler)signalgetattrAttributeError ValueError)ZsigNamerDrFZ sigNumberrEr)rDr _exitOnSignals rJcCsdtttfS)zQ Retrieve and format package version along with python version & OS used z%s Python %s on %s)rplatformZpython_versionsystemrrrr _get_versionsrMcCsvddl}tddtdd|j|td}|j|d\}}t}|rTt||}ntt j d |}t |dkdS) z&Entry point for the script "pyflakes".rNSIGINTz ... stoppedSIGPIPEr )progversion)rz) optparserJZ OptionParserrM parse_argsrrrrrstdinr0 SystemExit)rPrrRparser__rrBrrrr s   )N)N)NN)__doc__Z __future__rrr9rKrerZpyflakesrrrr__all__compiler6rrr8r rrJrMr rrrrs$    =