B [; @sdZddlmZmZddlmZddlmZddl m Z dZ dZ dZ dd d ZddZddZddZd gd d fddZddZd d d d d d d d d d d gf ddZd S)z+Tools for setting up interactive sessions. )print_functiondivision) LooseVersion) import_module) init_printingzfrom __future__ import division from sympy import * x, y, z, t = symbols('x y z t') k, m, n = symbols('k m n', integer=True) f, g, h = symbols('f g h', cls=Function) init_printing() ziThese commands were executed: %(source)s Documentation can be found at http://docs.sympy.org/%(version)s zCouldn't locate IPython. Having IPython installed is greatly recommended. See http://ipython.scipy.org for more details. If you use Debian/Ubuntu, just install the 'ipython' package and start isympy again. TFNcCsDddlm}ddlm}ddlm}ddlm}ddl}ddl}|rHdSd|j dd } |rdd } nd } d |g} | d } | dk r| dkr| d|r| d| || |d | f} d| }|dkrt}d}x8|dddD]"}|s|d7}q|d|d7}qW|}d|kr"d}nd|}|dt||d7}|S)z,Create a banner for an interactive session. r) __version__) GROUND_TYPES)ARCH) SYMPY_DEBUGNz%d.%d.%dIPythonPythonzground types: %sZSYMPY_USE_CACHEZnoz cache: offz debugging: onz, z,%s console for SymPy %s (Python %s-%s) (%s)  z>>> Zdevz%s/)sourceversion)ZsympyrZsympy.polys.domainsrZsympy.utilities.miscr r sysos version_infogetenvlowerappendjoinpreexec_sourcesplitverbose_message)ipythonquietrZ sympy_versionrr r rrZpython_versionZ shell_nameinfocacheargsmessageZ_sourcelineZ doc_versionr$8lib/python3.7/site-packages/sympy/interactive/session.py _make_message sD          r&c Csddlm}m}m}m}m}ddlm}dd}g}|||j} xX| D]P\} } } } } | |kr|| r| |df|df|| f|dfgqH| | | fqHW||S) a Wrap integer literals with Integer. This is based on the decistmt example from http://docs.python.org/library/tokenize.html. Only integer literals are converted. Float literals are left alone. Examples ======== >>> from __future__ import division >>> from sympy.interactive.session import int_to_Integer >>> from sympy import Integer >>> s = '1.2 + 1/2 - 0x12 + a1' >>> int_to_Integer(s) '1.2 +Integer (1 )/Integer (2 )-Integer (0x12 )+a1 ' >>> s = 'print (1/2)' >>> int_to_Integer(s) 'print (Integer (1 )/Integer (2 ))' >>> exec(s) 0.5 >>> exec(int_to_Integer(s)) 1/2 r)generate_tokens untokenizeNUMBERNAMEOP)StringIOcSs(d|ks d|ks d|kr$dSdS)z] Returns true if string value num (with token NUMBER) represents an integer. .jeFT)r)Znumr$r$r%_is_intts zint_to_Integer.._is_intZInteger()) tokenizer'r(r)r*r+Zsympy.core.compatibilityr,readlineextendr) sr'r(r)r*r+r,r0resultgtoknumtokval_r$r$r%int_to_IntegerXs  r<cs&ddl|jfdd}||_dS)zM Allow IPython to automatically convert integer literals to Integer. rNcs@y|Wntk r"Yn Xt|}|f||dS)N)parse SyntaxErrorr<)Zcellr!kwargs)ast old_run_cellr$r% my_run_cells z7enable_automatic_int_sympification..my_run_cell)r@run_cell)shellrBr$)r@rAr%"enable_automatic_int_sympificationsrEcs2ddl}|ddfdd }|tf|dS)z>Allow IPython to automatially create symbols (``isympy -a``). rNz8name '(?P[A-Za-z_][A-Za-z0-9_]*)' is not definedc s|tkr|jr|jjst|}|dk r|jdd|diddzBy|jdd}Wnttfk rtYnX|j|dddSWd|jd|dddX|j j ||||d }| |||dS) zJHandle :exc:`NameError` exception and allow injection of missing symbols. Nz!%(symbol)s = Symbol('%(symbol)s')symbolF)Z store_historyZInrzdel %s) tb_offset) NameErrortb_nextmatchstrrCgroupZuser_nsKeyError IndexErrorZ InteractiveTBZstructured_tracebackZ_showtraceback)selfetypevaluetbrGrJcodeZstb) re_nameerrorr$r%_handlers  z*enable_automatic_symbols.._handler)N)recompileZset_custom_excrH)rDrVrUr$)rTr%enable_automatic_symbolss 'rXcCsddl}t|jdkr||s`t|jdkr6ddlm}n ddlm}|}d|_|||j }|rlt ||rxt ||Sddl m }||SdS)zConstruct new IPython session. rNz0.11z1.0)ipappF) make_IPython)r VrZIPython.terminalrYZIPython.frontend.terminalZTerminalIPythonAppZdisplay_bannerZ initializerDrXrEZ IPython.ShellrZ)rDargv auto_symbolsauto_int_to_Integerr rYZapprZr$r$r%init_ipython_sessions"   r_cs&ddlmGfddd}|S)zConstruct new Python session. r)InteractiveConsolecseZdZdZfddZdS)z)init_python_session..SymPyConsolez.An interactive console with readline support. cs|y ddl}Wntk r*YndXddl}ddl}|dt|dr|jd}y| |Wnt k r~YnX| |j |dS)Nrz tab: completeread_history_filez~/.sympy-history) __init__r4 ImportErrorratexitparse_and_bindhasattrpath expanduserraIOErrorregisterwrite_history_file)rOr4rrdhistory)r`r$r%rbs     z2init_python_session..SymPyConsole.__init__N)__name__ __module__ __qualname____doc__rbr$)r`r$r% SymPyConsolesrq)rSr`)rqr$)r`r%init_python_session s rrc  sddl} d} |dk ry ddl}Wn(tk rH|dkr@tddYn2Xyddlm}|Wntk rxdYnXt} |dkr| }|dkrtj}n`t| ||dt |j dkrdfd d _ yj dd Wnt k rYnX| sj}|r(|r t |j dkr(td |rL|rDt |j dkrLtdt}j |d dt|||||| | dt|||}| st||| dnt|ddl}|dd dS)u Initialize an embedded IPython or Python session. The IPython session is initiated with the --pylab option, without the numpy imports, so that matplotlib plotting can be interactive. Parameters ========== pretty_print: boolean If True, use pretty_print to stringify; if False, use sstrrepr to stringify. order: string or None There are a few different settings for this parameter: lex (default), which is lexographic order; grlex, which is graded lexographic order; grevlex, which is reversed graded lexographic order; old, which is used for compatibility reasons and for long expressions; None, which sets it to lex. use_unicode: boolean or None If True, use unicode characters; if False, do not use unicode characters. use_latex: boolean or None If True, use latex rendering if IPython GUI's; if False, do not use latex rendering. quiet: boolean If True, init_session will not print messages regarding its status; if False, init_session will print messages regarding its status. auto_symbols: boolean If True, IPython will automatically create symbols for you. If False, it will not. The default is False. auto_int_to_Integer: boolean If True, IPython will automatically wrap int literals with Integer, so that things like 1/2 give Rational(1, 2). If False, it will not. The default is False. ipython: boolean or None If True, printing will initialize for an IPython console; if False, printing will initialize for a normal console; The default is None, which automatically determines whether we are in an ipython instance or not. str_printer: function, optional, default=None A custom string printer function. This should mimic sympy.printing.sstrrepr(). pretty_printer: function, optional, default=None A custom pretty printer. This should mimic sympy.printing.pretty(). latex_printer: function, optional, default=None A custom LaTeX printer. This should mimic sympy.printing.latex() This should mimic sympy.printing.latex(). argv: list of arguments for IPython See sympy.bin.isympy for options that can be used to initialize IPython. See Also ======== sympy.interactive.printing.init_printing: for examples and the rest of the parameters. Examples ======== >>> from sympy import init_session, Symbol, sin, sqrt >>> sin(x) #doctest: +SKIP NameError: name 'x' is not defined >>> init_session() #doctest: +SKIP >>> sin(x) #doctest: +SKIP sin(x) >>> sqrt(5) #doctest: +SKIP ___ \/ 5 >>> init_session(pretty_print=False) #doctest: +SKIP >>> sqrt(5) #doctest: +SKIP sqrt(5) >>> y + x + y**2 + x**2 #doctest: +SKIP x**2 + x + y**2 + y >>> init_session(order='grlex') #doctest: +SKIP >>> y + x + y**2 + x**2 #doctest: +SKIP x**2 + y**2 + x + y >>> init_session(order='grevlex') #doctest: +SKIP >>> y * x**2 + x * y**2 #doctest: +SKIP x**2*y + x*y**2 >>> init_session(order='old') #doctest: +SKIP >>> x**2 + y**2 + x + y #doctest: +SKIP x + y + x**2 + y**2 >>> theta = Symbol('theta') #doctest: +SKIP >>> theta #doctest: +SKIP theta >>> init_session(use_unicode=True) #doctest: +SKIP >>> theta # doctest: +SKIP θ rNFTz'IPython is not available on this system) get_ipython)r\r]r^z0.11execcs |dS)NF)rC)srcrF)ipr$r%szinit_session..)Z import_allzKautomatic construction of symbols is possible only in IPython 0.11 or abovezQautomatic int to Integer transformation is possible only in IPython 0.11 or above)rF) pretty_printorder use_unicode use_latexrv str_printerpretty_printer latex_printerz Exiting ...cSstdS)Nz Exiting ... )printr$r$r$r%rws)rt)rr rc RuntimeErrorrsboolrrZinteractr_r[rZ runsourceZ enable_pylab Exceptionmainlooprrr&rexitrdrj)rrxryrzr{rr]r^r|r}r~r\rZ in_ipythonr rsrZ_preexec_sourcer"rdr$)rvr% init_session-s`_       r)TFN)rpZ __future__rrZdistutils.versionrr[Zsympy.externalrZsympy.interactive.printingrrrZ no_ipythonr&r<rErXr_rrrr$r$r$r%s"    84G!!