σ ζNXc@@sXdZddlmZddlmZddlZddlZddlZddlmZddl m Z m Z ddl m Z mZmZd dd „ƒYZeejd ƒZeejd eƒZeejd eƒZeejd eƒZd efd„ƒYZddd„Zdd„Zd„Zd„Zd„ZeZeZdd„Z dS(s IO related utilities. i(tprint_function(tabsolute_importN(twarni(t CapturedIOtcapture_output(t string_typestinputtPY3tIOStreamcB@sGeZdd„Zd„Zd„Zd„Zed„ƒZd„Z RS(c@s₯t|dƒ s t|dƒ rD|dk r5|}qDtdƒ‚n|ˆ_|jˆ_‡fd†}x6t|t|ƒƒD]}tˆ|t ||ƒƒq~WdS(Ntwritetflushs$fallback required, but not specifiedc@stˆ|ƒ o|jdƒ S(Nt_(thasattrt startswith(tmeth(tself(sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pytclone!s( R tNonet ValueErrortstreamR t_swritetfiltertdirtsetattrtgetattr(RRtfallbackRR((RsH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt__init__s     cC@s4|j}d}|jd|jd|jd|jƒS(Ns{mod}.{cls}({args})tmodtclstargs(t __class__tformatt __module__t__name__R(RRttpl((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt__repr__&s cC@s_y|j|ƒWnGyt|ddd|jƒWq[td|jdtjƒq[XnXdS(Ntendttfiles'ERROR - failed to write data to stream:(RtprintRtsyststderr(Rtdata((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR +scC@s=t|tƒr|g}nx|D]}|j|ƒq"WdS(N(t isinstanceRR (Rtlinestline((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt writelines9s  cC@s |jjS(N(Rtclosed(R((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR/CscC@sdS(N((R((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pytcloseGsN( R!R RRR#R R.tpropertyR/R0(((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyRs     twRtTeecB@sAeZdZddd„Zd„Zd„Zd„Zd„ZRS(sεA class to duplicate an output stream to stdout/err. This works in a manner very similar to the Unix 'tee' command. When the object is closed or deleted, it closes the original file given to it for duplication. R2tstdoutcC@s“|dkrtd|ƒ‚nt|dƒrIt|dƒrI||_nt||ƒ|_||_tt|ƒ|_tt||ƒt |_ dS(sLConstruct a new Tee object. Parameters ---------- file_or_name : filename or open filehandle (writable) File that will be duplicated mode : optional, valid mode for open(). If a filename was give, open with this mode. channel : str, one of ['stdout', 'stderr'] R4R)sInvalid channel spec %sR tseekN(sstdoutsstderr( RR R&topentchannelRR(tostreamRtFalset_closed(Rt file_or_nametmodeR7((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR[s   cC@s:|jƒtt|j|jƒ|jjƒt|_dS(s'Close the file and restore the channel.N( R RR(R7R8R&R0tTrueR:(R((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR0ts  cC@s1|jj|ƒ|jj|ƒ|jjƒdS(sWrite data to both channels.N(R&R R8R (RR*((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR {scC@s|jjƒ|jjƒdS(sFlush both channels.N(R&R R8(R((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR s cC@s|js|jƒndS(N(R:R0(R((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt__del__†s (R!R t__doc__RR0R R R>(((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR3Ps    cC@sΚitd6td6td6td6}d}x—||jƒkrΑy)t|dƒjƒ}|se|}nWq+tk rˆ|rΎ|}qΎq+tk r½||jƒkr·|}tƒqΎ‚q+Xq+W||S(sάAsks a question and returns a boolean (y/n) answer. If default is given (one of 'y','n'), it is used if the user input is empty. If interrupt is given (one of 'y','n'), it is used if the user presses Ctrl-C. Otherwise the question is repeated until an answer is given. An EOF is treated as the default answer. If there is no default, an exception is raised to prevent infinite loops. Valid answers are: y/yes/n/no (match is not case sensitive).tytntyestnot N( R=R9RtkeysRtlowertKeyboardInterrupttEOFErrorR'(tprompttdefaultt interrupttanswerstans((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt ask_yes_no‹s "      s.pycC@sCtj|ƒd}t|dƒ}|j|ƒ|jƒ||fS(s£Make a temporary python file, return filename and filehandle. Parameters ---------- src : string or list of strings (no need for ending newlines if list) Source code to be written to the file. ext : optional, string Extension for the generated file. Returns ------- (filename, open filehandle) It is the caller's responsibility to close the open file and unlink it. iR2(ttempfiletmkstempR6R R (tsrctexttfnametf((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt temp_pyfile¬s   cO@s'tdƒddlm}|||ŽS(s6DEPRECATED: moved to notebook.services.contents.fileiosNIPython.utils.io.atomic_writing has moved to notebook.services.contents.fileioi(tatomic_writing(Rt!notebook.services.contents.fileioRV(RtkwargsRV((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyRVΒs cO@sHtd|jddƒd|jddƒdtj|ŒtjjƒdS(sFRaw print to sys.__stdout__, otherwise identical interface to print().tsepRDR$s R&N(R'tgetR(t __stdout__R (Rtkw((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt raw_printΘs* cO@sHtd|jddƒd|jddƒdtj|ŒtjjƒdS(sFRaw print to sys.__stderr__, otherwise identical interface to print().RYRDR$s R&N(R'RZR(t __stderr__R (RR\((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyt raw_print_errΠs* R4cC@s$tdƒddlm}||ƒS(s'DEPRECATED, moved to nbconvert.utils.iosCIPython.utils.io.unicode_std_stream has moved to nbconvert.utils.ioi(tunicode_std_stream(Rtnbconvert.utils.ioR`(RR`((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyR`έs ((!R?t __future__RRtosR(ROtwarningsRtcaptureRRt py3compatRRRRR6tdevnulltstdinR4R)tobjectR3RRNRURVR]R_trprinttrprinteR`(((sH/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/IPython/utils/io.pyts,   6;!