X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8a693e6e0460b6b3c32e4b6f114a3ab7b7cd24ea..f6bcfd974ef26faf6f91a62cac09827e09463fd1:/utils/wxPython/lib/shell.py?ds=inline diff --git a/utils/wxPython/lib/shell.py b/utils/wxPython/lib/shell.py deleted file mode 100644 index 2ed16650f3..0000000000 --- a/utils/wxPython/lib/shell.py +++ /dev/null @@ -1,347 +0,0 @@ -# shell.py -"""wxPython interactive shell - -Copyright (c) 1999 SIA "ANK" - -this module is free software. it may be used under same terms as Python itself - -Notes: -i would like to use command completion (see rlcompleter library module), -but i cannot load it because i don't have readline... - -History: -03-oct-1999 [als] created -04-oct-1999 [als] PyShellOutput.intro moved from __init__ parameters - to class attributes; html debug disabled -04-oct-1999 [als] fixed bug with class attributes - input prompts and output styles added to customized demo - some html cleanups -04-oct-1999 [rpd] Changed to use the new sizers -05-oct-1990 [als] changes inspired by code.InteractiveInterpreter() - from Python Library. if i knew about this class earlier, - i would rather inherit from it. - renamed to wxPyShell.py since i've renounced the 8.3 scheme - -""" -__version__ ="$Revision$" -# $RCSfile$ - -import sys, string, code, traceback -from wxPython.wx import * -from wxPython.html import * - - -class PyShellInput(wxPanel): - """PyShell input window - - """ - PS1 =" Enter Command:" - PS2 ="... continue:" - def __init__(self, parent, shell, id=-1): - """Create input window - - shell must be a PyShell object. - it is used for exception handling, eval() namespaces, - and shell.output is used for output - (print's go to overridden stdout) - """ - wxPanel.__init__(self, parent, id) - self.shell =shell - # make a private copy of class attrs - self.PS1 =PyShellInput.PS1 - self.PS2 =PyShellInput.PS2 - # create controls - self.label =wxStaticText(self, -1, self.PS1) - tid =wxNewId() - self.entry =wxTextCtrl(self, tid, style = wxTE_MULTILINE) - EVT_CHAR(self.entry, self.OnChar) - self.entry.SetFont(wxFont(9, wxMODERN, wxNORMAL, wxNORMAL, false)) - sizer =wxBoxSizer(wxVERTICAL) - sizer.AddMany([(self.label, 0, wxEXPAND), (self.entry, 1, wxEXPAND)]) - self.SetSizer(sizer) - self.SetAutoLayout(true) - EVT_SET_FOCUS(self, self.OnSetFocus) - # when in "continuation" mode, - # two consecutive newlines are required - # to avoid execution of unfinished block - self.first_line =1 - - def OnSetFocus(self, event): - self.entry.SetFocus() - - - def Clear(self, event=None): - """reset input state""" - self.label.SetLabel(self.PS1) - self.label.Refresh() - self.entry.SetSelection(0, self.entry.GetLastPosition()) - self.first_line =1 - # self.entry.SetFocus() - - def OnChar(self, event): - """called on CHARevent. executes input on newline""" - # print "On Char:", event.__dict__.keys() - if event.KeyCode() !=WXK_RETURN: - # not of our business - event.Skip() - return - text =self.entry.GetValue() - # weird CRLF thingy - text =string.replace(text, "\r\n", "\n") - # see if we've finished - if (not (self.first_line or text[-1] =="\n") # in continuation mode - or (text[-1] =="\\") # escaped newline - ): - # XXX should escaped newline put myself i "continuation" mode? - event.Skip() - return - # ok, we can try to execute this - rc =self.shell.TryExec(text) - if rc: - # code is incomplete; continue input - if self.first_line: - self.label.SetLabel(self.PS2) - self.label.Refresh() - self.first_line =0 - event.Skip() - else: - self.Clear() - -class PyShellOutput(wxPanel): - """PyShell output window - - for now, it is based on simple wxTextCtrl, - but i'm looking at HTML classes to provide colorized output - """ - # attributes for for different (input, output, exception) display styles: - # begin tag, end tag, newline - in_style =(" >>> ", - "
\n", "
\n... ") - out_style =("", "\n", "
\n") - exc_style =("", - "\n", "
\n") - intro ="

wxPython Interactive Shell

\n" - html_debug =0 - # entity references - erefs =(("&", "&"), (">", ">"), ("<", "<"), (" ", "  ")) - def __init__(self, parent, id=-1): - wxPanel.__init__(self, parent, id) - # make a private copy of class attrs - self.in_style =PyShellOutput.in_style - self.out_style =PyShellOutput.out_style - self.exc_style =PyShellOutput.exc_style - self.intro =PyShellOutput.intro - self.html_debug =PyShellOutput.html_debug - # create windows - if self.html_debug: - # this was used in html debugging, - # but i don't want to delete it; it's funny - splitter =wxSplitterWindow(self, -1) - self.view =wxTextCtrl(splitter, -1, - style = wxTE_MULTILINE|wxTE_READONLY|wxHSCROLL) - self.html =wxHtmlWindow(splitter) - splitter.SplitVertically(self.view, self.html) - splitter.SetSashPosition(40) - splitter.SetMinimumPaneSize(3) - self.client =splitter - else: - self.view =None - self.html =wxHtmlWindow(self) - self.client =self.html # used in OnSize() - self.text =self.intro - self.html.SetPage(self.text) - self.html.SetAutoLayout(TRUE) - self.line_buffer ="" - # refreshes are annoying - self.in_batch =0 - self.dirty =0 - - - def OnSize(self, event): - self.client.SetSize(self.GetClientSize()) - - def OnIdle(self, event): - """when there's nothing to do, we can update display""" - if self.in_batch and self.dirty: self.UpdWindow() - - def BeginBatch(self): - """do not refresh display till EndBatch()""" - self.in_batch =1 - - def EndBatch(self): - """end batch; start updating display immediately""" - self.in_batch =0 - if self.dirty: self.UpdWindow() - - def UpdWindow(self): - """sync display with text buffer""" - html =self.html - html.SetPage(self.text) - self.dirty =0 - # scroll to the end - (x,y) =html.GetVirtualSize() - html.Scroll(0, y) - - def AddText(self, text, style=None): - """write text to output window""" - # a trick needed to defer default from compile-time to execute-time - if style ==None: style =self.out_style - if 0 and __debug__: sys.__stdout__.write(text) - # handle entities - for (symbol, eref) in self.erefs: - text =string.replace(text, symbol, eref) - # replace newlines - text =string.replace(text, "\n", style[2]) - # add to contents - self.text =self.text +style[0] +text +style[1] - if not self.in_batch: self.UpdWindow() - else: self.dirty =1 - if self.html_debug: - # html debug output needn't to be too large - self.view.SetValue(self.text[-4096:]) - - def write(self, str, style=None): - """stdout-like interface""" - if style ==None: style =self.out_style - # do not process incomplete lines - if len(str) <1: - # hm... what was i supposed to do? - return - elif str[-1] !="\n": - self.line_buffer =self.line_buffer +str - else: - self.AddText(self.line_buffer +str, style) - self.line_buffer ="" - - def flush(self, style=None): - """write out all that was left in line buffer""" - if style ==None: style =self.out_style - self.AddText(self.line_buffer +"\n", style) - - def write_in(self, str, style=None): - """write text in "input" style""" - if style ==None: style =self.in_style - self.AddText(str, style) - - def write_exc(self, str, style=None): - """write text in "exception" style""" - if style ==None: style =self.exc_style - self.AddText(str, style) - -class PyShell(wxPanel): - """interactive Python shell with wxPython interface - - """ - def __init__(self, parent, globals=globals(), locals={}, - id=-1, pos=wxDefaultPosition, size=wxDefaultSize, - style=wxTAB_TRAVERSAL, name="shell"): - """create PyShell window""" - wxPanel.__init__(self, parent, id, pos, size, style, name) - self.globals =globals - self.locals =locals - splitter =wxSplitterWindow(self, -1) - self.output =PyShellOutput(splitter) - self.input =PyShellInput(splitter, self) - self.input.SetFocus() - splitter.SplitHorizontally(self.input, self.output) - splitter.SetSashPosition(100) - splitter.SetMinimumPaneSize(20) - self.splitter =splitter - EVT_SET_FOCUS(self, self.OnSetFocus) - - def OnSetFocus(self, event): - self.input.SetFocus() - - def TryExec(self, source, symbol="single"): - """Compile and run some source in the interpreter. - - borrowed from code.InteractiveInterpreter().runsource() - as i said above, i would rather like to inherit from that class - - returns 1 if more input is required, or 0, otherwise - """ - try: - cc = code.compile_command(source, symbol=symbol) - except (OverflowError, SyntaxError): - # [als] hm... never seen anything of that kind - self.ShowSyntaxError() - return 0 - if cc is None: - # source is incomplete - return 1 - # source is sucessfully compiled - out =self.output - # redirect system stdout to the output window - prev_out =sys.stdout - sys.stdout =out - # begin printout batch (html updates are deferred until EndBatch()) - out.BeginBatch() - out.write_in(source) - try: - exec cc in self.globals, self.locals - except SystemExit: - # SystemExit is not handled and has to be re-raised - raise - except: - # all other exceptions produce traceback output - self.ShowException() - # switch back to saved stdout - sys.stdout =prev_out - # commit printout - out.flush() - out.EndBatch() - return 0 - - def ShowException(self): - """display the traceback for the latest exception""" - (etype, value, tb) =sys.exc_info() - # remove myself from traceback - tblist =traceback.extract_tb(tb)[1:] - msg =string.join(traceback.format_exception_only(etype, value) - +traceback.format_list(tblist)) - self.output.write_exc(msg) - - def ShowSyntaxError(self): - """display message about syntax error (no traceback here)""" - (etype, value, tb) =sys.exc_info() - msg =string.join(traceback.format_exception_only(etype, value)) - self.output.write_exc(msg) - - def OnSize(self, event): - self.splitter.SetSize(self.GetClientSize()) - -#---------------------------------------------------------------------- -if __name__ == '__main__': - class MyFrame(wxFrame): - """Very standard Frame class. Nothing special here!""" - def __init__(self, parent=NULL, id =-1, - title="wxPython Interactive Shell"): - wxFrame.__init__(self, parent, id, title) - self.shell =PyShell(self) - - class MyApp(wxApp): - """Demonstrates usage of both default and customized shells""" - def OnInit(self): - frame = MyFrame() - frame.Show(TRUE) - self.SetTopWindow(frame) -## PyShellInput.PS1 =" let's get some work done..." -## PyShellInput.PS2 =" ok, what do you really mean?" -## PyShellOutput.in_style =( -## ">>> ", -## "
\n", "
\n... ") -## PyShellOutput.out_style =( -## "", -## "
\n", "
\n") -## PyShellOutput.exc_style =("", -## "\n", "
\n") -## PyShellOutput.intro ="Customized wxPython Shell" \ -## "
<-- move this sash to see html debug output
\n" -## PyShellOutput.html_debug =1 -## frame = MyFrame(title="Customized wxPython Shell") -## frame.Show(TRUE) - return TRUE - - app = MyApp(0) - app.MainLoop() -