\c @ sdZddlmZmZddlmZddlmZddl m Z dZ dZ dZ eedd Zd Zd Zd Zdgeed ZdZdedddeeedddgd ZdS(s+Tools for setting up interactive sessions. i(tprint_functiontdivision(t LooseVersion(t import_module(t init_printingsfrom __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() sjThese commands were executed: %(source)s Documentation can be found at https://docs.sympy.org/%(version)s sCouldn'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. cC sddlm}ddlm}ddlm}ddlm}ddl}ddl}|rbdSd|j d } |rd } nd } d |g} |j d } | dk r| j dkr| j dn|r| j dn| || |dj| f} d| }|dkr%t}nd}x@|jdd D]+}|sX|d7}q?|d|d7}q?W|}d|krd}n d|}|dti|d6|d67}|S(s,Create a banner for an interactive session. i(t __version__(t GROUND_TYPES(tARCH(t SYMPY_DEBUGNts%d.%d.%ditIPythontPythonsground types: %stSYMPY_USE_CACHEtnos cache: offs debugging: ons, s,%s console for SymPy %s (Python %s-%s) (%s) s s>>> tdevs%s/tsourcetversion(tsympyRtsympy.polys.domainsRtsympy.utilities.miscRRtsystost version_infotgetenvtNonetlowertappendtjointpreexec_sourcetsplittverbose_message(tipythontquietRt sympy_versionRRRRRtpython_versiont shell_nametinfotcachetargstmessaget_sourcetlinet doc_version((s8lib/python2.7/site-packages/sympy/interactive/session.pyt _make_message sD            c C sddlm}m}m}m}m}ddlm}d}g}|||j} x|| D]t\} } } } } | |kr|| r|j |df|df|| f|dfgqc|j | | fqcW||S(s 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 i(tgenerate_tokenst untokenizetNUMBERtNAMEtOP(tStringIOcS s8d|ks0d|jks0d|jkr4tStS(s] Returns true if string value num (with token NUMBER) represents an integer. t.tjte(RtFalsetTrue(tnum((s8lib/python2.7/site-packages/sympy/interactive/session.pyt_is_intts0tIntegert(t)( ttokenizeR,R-R.R/R0tsympy.core.compatibilityR1treadlinetextendR( tsR,R-R.R/R0R1R8tresulttgttoknumttokvalt_((s8lib/python2.7/site-packages/sympy/interactive/session.pytint_to_IntegerXs(    c s4ddl|jfd}||_dS(sM Allow IPython to automatically convert integer literals to Integer. iNc sEyj|Wntk r$n Xt|}|||dS(N(tparset SyntaxErrorRF(tcellR&tkwargs(tastt old_run_cell(s8lib/python2.7/site-packages/sympy/interactive/session.pyt my_run_cells   (RKtrun_cell(tshellRM((RKRLs8lib/python2.7/site-packages/sympy/interactive/session.pyt"enable_automatic_int_sympifications  c sDddl}|jddfd}|jtf|dS(s>Allow IPython to automatially create symbols (``isympy -a``). iNs8name '(?P[A-Za-z_][A-Za-z0-9_]*)' is not definedc s|tkr|jr|jj rjt|}|dk r|jdi|jdd6dtzJy|jdd}Wnt t fk rnX|j|dtdSWd|jd|jddtXqn|j j |||d|}|j |||dS( sJHandle :exc:`NameError` exception and allow injection of missing symbols. s!%(symbol)s = Symbol('%(symbol)s')tsymbolt store_historytIniNsdel %st tb_offset(t NameErrorttb_nexttmatchtstrRRNtgroupR5tuser_nstKeyErrort IndexErrort InteractiveTBtstructured_tracebackt_showtraceback(tselftetypetvaluettbRTRWtcodetstb(t re_nameerror(s8lib/python2.7/site-packages/sympy/interactive/session.pyt_handlers""   (tretcompileRtset_custom_excRU(RORhRg((Rfs8lib/python2.7/site-packages/sympy/interactive/session.pytenable_automatic_symbolss '  cC sddl}t|jdkr|st|jdkrOddlm}nddlm}|j}t|_|j ||j }n|rt |n|rt |n|Sddl m}||SdS(sConstruct new IPython session. iNs0.11s1.0(tipapp(t make_IPython(R tVRtIPython.terminalRltIPython.frontend.terminaltTerminalIPythonAppR5tdisplay_bannert initializeRORkRPt IPython.ShellRm(ROtargvt auto_symbolstauto_int_to_IntegerR RltappRm((s8lib/python2.7/site-packages/sympy/interactive/session.pytinit_ipython_sessions"       c s3ddlmdffdY}|S(sConstruct new Python session. i(tInteractiveConsolet SymPyConsolec seZdZfdZRS(s.An interactive console with readline support. c sj|yddl}Wntk r0nXddl}ddl}|jdt|dr|jjd}y|j |Wnt k rnX|j |j |ndS(Nis tab: completetread_history_files~/.sympy-history( t__init__R>t ImportErrorRtatexittparse_and_bindthasattrtpatht expanduserR|tIOErrortregistertwrite_history_file(R`R>RRthistory(Rz(s8lib/python2.7/site-packages/sympy/interactive/session.pyR}s      (t__name__t __module__t__doc__R}((Rz(s8lib/python2.7/site-packages/sympy/interactive/session.pyR{s(RdRz(R{((Rzs8lib/python2.7/site-packages/sympy/interactive/session.pytinit_python_session sc  syddl} t} |tk ryddl}Wn2tk rb|tkrYtdndn8Xyddlm}|Wntk rdnXt} |dkr| }qn|tkrt j }nt d| d|d|t |j dkrRd fd _yjd tWqRtk rNqRXn| sdj}n|r| st |j dkrtd n|r| st |j dkrtd nt}j|dd td|d|d|d|dd|d| d| t|||}| sOt||| jdn&t|ddl}|jddS(s 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 \u03b8 iNs'IPython is not available on this system(t get_ipythonRuRvRws0.11texecc sj|tS(N(RNR5(tsrcRQ(tip(s8lib/python2.7/site-packages/sympy/interactive/session.pytR t import_allsKautomatic construction of symbols is possible only in IPython 0.11 or abovesQautomatic int to Integer transformation is possible only in IPython 0.11 or aboveRQt pretty_printtordert use_unicodet use_latexRt str_printertpretty_printert latex_printers Exiting ...cS s tdS(Ns Exiting ... 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