BPcq dZddlZddlZddlZddlZddlZddlmZddlm Z dZ e d\Z Z ejddkZdZd ed ZeZd Zd ed edZd edededZd eedeedZejd ed eded ed ZdZdZdZGddeZdefdZdZ dZ!dZ"dZ#dZ$Gdd e%Z&Gd!d"e'Z(Gd#d$e%Z)d%Z*e+fd&Z,Gd'd(Z-d)Z.d/d+Z/iZ0e01ej2e01ej2d0d-Z3d.Z4dS)1z6 Basic common utility functions for calculated things N)ArgumentTypeError)teez[0-9]z(?:z+)z[+-]z(?:[eE]?)z?\.|z\.)z?|c#KtjdddD]%}tj|r|V&dS)N PYTHONPATH:)osenvirongetsplitpathisdirpths -/usr/share/inkscape/extensions/inkex/utils.py _pythonpathr3s]z~~lB//55c:: 7==   IIIcdtjvrjtjtjtjtjddStjd}t D]}||r|cSdS)zQReturn the user directory where extensions are stored. .. versionadded:: 1.1INKSCAPE_PROFILE_DIR extensions~N)rrrabspath expanduserjoinr startswith)homers rget_user_directoryr#9s++w G   RZ(>?NN     7  c " "D}} >>$   JJJ  4rctD]C}tjtj|dr|cSDt d)zPReturn the system directory where inkscape's core is. .. versionadded:: 1.1inkexz,Unable to determine the location of Inkscape)rrrrr ValueErrorrs rget_inkscape_directoryr'KsZ}} 7==c733 4 4 JJJ  C D DDrc"eZdZdZfdZxZS)KeyDictz A normal dictionary, except asking for anything not in the dictionary always returns the key itself. This is used for translation dictionaries. cl t|S#t$r|cYSwxYwN)super __getitem__KeyError)selfkey __class__s rr-zKeyDict.__getitem__[sD 77&&s++ +   JJJ s $ 33)__name__ __module__ __qualname____doc__r- __classcell__)r1s@rr)r)UsB rr)valc|}|drt|dddz St|S)z}Parse strings that are either values (i.e., '3.14159') or percentages (i.e. '75%') to a float. .. versionadded:: 1.2%Nd)stripendswithfloat)r7s r parse_percentr?bsJ ))++C ||C%S"X$$ ::rcn|dkrdS|dkrdSdS)zAArgParser function to turn a boolean string into a python booleanTRUETFALSEFN)upper)values rBooleanrEms7 {{}}t {{}}u 4rctt|tr|St|dS)z7Ensures the content is bytes .. versionadded:: 1.1utf8) isinstancebytesstrencode)contents rto_bytesrMvs5'5!! w<<  v & &&rc$t||S)z/Print debug message if debugging is switched on)errormsg)whats rdebugrQs TNNN KrcdS)z9A blank function to do nothing .. versionadded:: 1.1N)argskwargss r do_nothingrVsrc tj|n#t$r/tjt |YnUt $rItjjpd}tj||dYnwxYwtjddS)aIntended for end-user-visible error messages. (Currently just writes to stderr with an appended newline, but could do something better in future: e.g. could add markup to distinguish error messages from status messages or debugging output.) Note that this should always be combined with translation:: import inkex ... inkex.errormsg(_("This extension requires two selected paths.")) asciibackslashreplace N)sysstderrwrite TypeErrorrJUnicodeEncodeErrorencodingrK)msgr`s rrOrOsC  ### S"""""  C C C:&1' H.@AABBBBB CJTs"6B,AB,+B,ceZdZdZdS)AbortExtensionz7Raised to print a message to the user without backtraceNr2r3r4r5rSrrrcrcsAAAArrcceZdZdZdS)DependencyErrorzBRaised when we need an external python module that isn't availableNrdrSrrrfrfsLLLLrrfceZdZdZdS) FragmentErrorz8Raised when trying to do rooty things on an xml fragmentNrdrSrrrhrhsBBBBrrhcfd}|S)zX Decorator which will turn a generator into a list, tuple or other object type. cfd}|S)Nc&|i|Sr+rS)rTkwcallkinds r_outerz"to.._inner.._outers"4d)b))** *rrS)rmrorns` r_innerzto.._inners) + + + + + + rrS)rnrps` rtorqs#  MrcPfdt|DS)a+Returns a list of floats from a string .. versionchanged:: 1.1 also splits at -(minus) signs by adding a space in front of the - sign .. versionchanged:: 1.2 Full support for the `SVG Path data BNF `_ c&g|] }|SrSrS).0r7rns r zstrargs..s! < < <#DDII < < >( # #; 94 9 9::: OrTct|\}}dt|dfg}|sg}|tt||zS)zBIterate over a list with overlapping pairs (see itertools recipes)N)rnextlistzip)iterablestartfirstthenstarters rpairwisersRh--KE4d4&&'(G  T#eT**++ ++rxc |dkr2td|d|dpdztiSn#t$rYnwxYwdS)zInterpret a function string. All functions from math and random may be used. .. versionadded:: 1.1 Returns: a lambda expression if sucessful; otherwise None. r zlambda z: "tN)evalr< EVAL_GLOBALS SyntaxError)functionvariables r math_evalrsw r>>&(&&&(..*=*=*DE|UW        4s7; AAcH t|dS#t$rYdSwxYw)z8Checks if a value is a number .. versionadded:: 1.2TF)r>r&)rxs r is_numberrs9 f t uus  !!)T)r)5r5rr[randomremathargparser itertoolsr ABORT_STATUSrangeXY version_infoPY3DIGIT_REX_PARTDIGIT_SEQUENCE_REX_PARTINTEGER_CONSTANT_REX_PART SIGN_REX_PARTEXPONENT_REX_PARTFRACTIONAL_CONSTANT_REX_PART FLOATING_POINT_CONSTANT_REX_PARTcompilervrr#r'dictr)rJr?rErMrQrVrO ExceptionrcNotImplementedErrorrfrhrqr>ryr{rrrupdate__dict__rrrSrrrs( &&&&&& qA qQ33333 I}II/FIIIx&=xxBYxx\sxxx$K*F$KHY$K$K]t$KwH$K$K$K RZj=jj;jjmjjNgjjj  $EEE     d   s'''  DBBBBBYBBBMMMMM)MMMCCCCCICCC    = = = =        ,,,, FO$$$ DM"""&r