class ShellFacade:
"""Simplified interface to all shell-related functionality.
- This is a semi-transparent facade, in that all attributes of other are
+ This is a semi-transparent facade, in that all attributes of other are
still accessible, even though only some are visible to the user."""
-
+
name = 'PyCrust Shell Interface'
revision = __version__
-
+
def __init__(self, other):
"""Create a ShellFacade instance."""
methods = ['ask',
d = self.__dict__
d['other'] = other
d['help'] = 'There is no help available, yet.'
-
+
def __getattr__(self, name):
if hasattr(self.other, name):
class Shell(wxStyledTextCtrl):
"""PyCrust Shell based on wxStyledTextCtrl."""
-
+
name = 'PyCrust Shell'
revision = __version__
-
+
def __init__(self, parent, id=-1, pos=wxDefaultPosition, \
size=wxDefaultSize, style=wxCLIP_CHILDREN, introText='', \
locals=None, InterpClass=None, *args, **kwds):
else:
Interpreter = InterpClass
# Create default locals so we have something interesting.
- shellLocals = {'__name__': 'PyCrust-Shell',
+ shellLocals = {'__name__': 'PyCrust-Shell',
'__doc__': 'PyCrust-Shell, The PyCrust Python Shell.',
'__version__': VERSION,
}
def destroy(self):
del self.interp
-
+
def config(self):
"""Configure shell based on user preferences."""
self.SetMarginType(1, wxSTC_MARGIN_NUMBER)
self.SetMarginWidth(1, 40)
-
+
self.SetLexer(wxSTC_LEX_PYTHON)
self.SetKeyWords(0, ' '.join(keyword.kwlist))
self.autoCompleteIncludeDouble = 1
self.autoCompleteCaseInsensitive = 1
self.AutoCompSetIgnoreCase(self.autoCompleteCaseInsensitive)
- # De we want to automatically pop up command argument help?
+ # Do we want to automatically pop up command argument help?
self.autoCallTip = 1
self.CallTipSetBackground(wxColour(255, 255, 232))
self.write(self.interp.introText)
except AttributeError:
pass
-
+
def setBuiltinKeywords(self):
"""Create pseudo keywords as part of builtins.
-
- This is a rather clever hack that sets "close", "exit" and "quit"
+
+ This is a rather clever hack that sets "close", "exit" and "quit"
to a PseudoKeyword object so that we can make them do what we want.
In this case what we want is to call our self.quit() method.
The user can type "close", "exit" or "quit" without the final parens.
def quit(self):
"""Quit the application."""
-
+
# XXX Good enough for now but later we want to send a close event.
-
+
# In the close event handler we can make sure they want to quit.
# Other applications, like PythonCard, may choose to hide rather than
# quit so we should just post the event and let the surrounding app
# decide what it wants to do.
self.write('Click on the close button to leave the application.')
-
+
def setLocalShell(self):
"""Add 'shell' to locals as reference to ShellFacade instance."""
self.interp.locals['shell'] = ShellFacade(other=self)
-
+
def execStartupScript(self, startupScript):
"""Execute the user's PYTHONSTARTUP script if they have one."""
if startupScript and os.path.isfile(startupScript):
(`startupText`, `startupScript`))
else:
self.push('')
-
+
def setStyles(self, faces):
"""Configure font size, typeface and color for lexer."""
-
+
# Default style
self.StyleSetSpec(wxSTC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d" % faces)
Prevents modification of previously submitted commands/responses."""
key = event.KeyCode()
+ controlDown = event.ControlDown()
+ altDown = event.AltDown()
+ shiftDown = event.ShiftDown()
currpos = self.GetCurrentPos()
stoppos = self.promptPos[1]
# Return is used to submit a command to the interpreter.
if key == WXK_RETURN:
if self.AutoCompActive(): self.AutoCompCancel()
- if self.CallTipActive: self.CallTipCancel()
+ if self.CallTipActive(): self.CallTipCancel()
self.processLine()
# If the auto-complete window is up let it do its thing.
elif self.AutoCompActive():
event.Skip()
+ # Let Ctrl-Alt-* get handled normally.
+ elif controlDown and altDown:
+ event.Skip()
# Cut to the clipboard.
- elif event.ControlDown() and key in (ord('X'), ord('x')):
+ elif controlDown and key in (ord('X'), ord('x')):
self.Cut()
# Copy to the clipboard.
- elif event.ControlDown() and not event.ShiftDown() \
- and key in (ord('C'), ord('c')):
+ elif controlDown and not shiftDown and key in (ord('C'), ord('c')):
self.Copy()
# Copy to the clipboard, including prompts.
- elif event.ControlDown() and event.ShiftDown() \
- and key in (ord('C'), ord('c')):
+ elif controlDown and shiftDown and key in (ord('C'), ord('c')):
self.CopyWithPrompts()
# Paste from the clipboard.
- elif event.ControlDown() and key in (ord('V'), ord('v')):
+ elif controlDown and key in (ord('V'), ord('v')):
self.Paste()
# Retrieve the previous command from the history buffer.
- elif (event.ControlDown() and key == WXK_UP) \
- or (event.AltDown() and key in (ord('P'), ord('p'))):
+ elif (controlDown and key == WXK_UP) \
+ or (altDown and key in (ord('P'), ord('p'))):
self.OnHistoryRetrieve(step=+1)
# Retrieve the next command from the history buffer.
- elif (event.ControlDown() and key == WXK_DOWN) \
- or (event.AltDown() and key in (ord('N'), ord('n'))):
+ elif (controlDown and key == WXK_DOWN) \
+ or (altDown and key in (ord('N'), ord('n'))):
self.OnHistoryRetrieve(step=-1)
# Search up the history for the text in front of the cursor.
elif key == WXK_F8:
# Don't toggle between insert mode and overwrite mode.
elif key == WXK_INSERT:
pass
+ # Don't allow line deletion.
+ elif controlDown and key in (ord('L'), ord('l')):
+ pass
+ # Don't allow line transposition.
+ elif controlDown and key in (ord('T'), ord('t')):
+ pass
# Protect the readonly portion of the shell.
elif not self.CanEdit():
pass
def setStatusText(self, text):
"""Display status information."""
-
+
# This method will most likely be replaced by the enclosing app
# to do something more interesting, like write to a status bar.
print text
def processLine(self):
"""Process the line of text at which the user hit Enter."""
-
+
# The user hit ENTER and we need to decide what to do. They could be
# sitting on any line in the shell.
-
+
thepos = self.GetCurrentPos()
endpos = self.GetTextLength()
# If they hit RETURN at the very bottom, execute the command.
def getMultilineCommand(self, rstrip=1):
"""Extract a multi-line command from the editor.
-
+
The command may not necessarily be valid Python syntax."""
# XXX Need to extract real prompts here. Need to keep track of the
# prompt every time a command is issued.
if rstrip:
command = command.rstrip()
return command
-
+
def getCommand(self, text=None, rstrip=1):
"""Extract a command from text which may include a shell prompt.
-
+
The command may not necessarily be valid Python syntax."""
if not text:
text = self.GetCurLine()[0]
elif text[:ps2size] == ps2:
text = text[ps2size:]
return text
-
+
def push(self, command):
"""Send command to the interpreter for execution."""
self.write(os.linesep)
def prompt(self):
"""Display appropriate prompt for the context, either ps1 or ps2.
-
+
If this is a continuation line, autoindent as necessary."""
if self.more:
prompt = str(sys.ps2)
def ask(self, prompt='Please enter your response:'):
"""Get response from the user."""
return raw_input(prompt=prompt)
-
+
def pause(self):
"""Halt execution pending a response from the user."""
self.ask('Press enter to continue:')
-
+
def clear(self):
"""Delete all text from the shell."""
self.ClearAll()
-
+
def run(self, command, prompt=1, verbose=1):
"""Execute command within the shell as if it was typed in directly.
>>> shell.run('print "this"')
>>> print "this"
this
- >>>
+ >>>
"""
# Go to the very bottom of the text.
endpos = self.GetTextLength()
- self.SetCurrentPos(endpos)
+ self.SetCurrentPos(endpos)
command = command.rstrip()
if prompt: self.prompt()
if verbose: self.write(command)
self.run(command, prompt=0, verbose=1)
finally:
file.close()
-
+
def autoCompleteShow(self, command):
"""Display auto-completion popup list."""
list = self.interp.getAutoCompleteList(command, \
def writeOut(self, text):
"""Replacement for stdout."""
self.write(text)
-
+
def writeErr(self, text):
"""Replacement for stderr."""
self.write(text)
-
+
def redirectStdin(self, redirect=1):
"""If redirect is true then sys.stdin will come from the shell."""
if redirect:
return 1
else:
return 0
-
+
def CanCopy(self):
"""Return true if text is selected and can be copied."""
return self.GetSelectionStart() != self.GetSelectionEnd()
class ShellMenu:
"""Mixin class to add standard menu items."""
-
+
def createMenus(self):
m = self.fileMenu = wxMenu()
m.AppendSeparator()
event.Check(self.shell.autoCompleteIncludeDouble)
elif id == ID_CALLTIPS_SHOW:
event.Check(self.shell.autoCallTip)
-
+
class ShellFrame(wxFrame, ShellMenu):
"""Frame containing the PyCrust shell component."""
-
+
name = 'PyCrust Shell Frame'
revision = __version__
-
+
def __init__(self, parent=None, id=-1, title='PyShell', \
pos=wxDefaultPosition, size=wxDefaultSize, \
style=wxDEFAULT_FRAME_STYLE, locals=None, \
self.createMenus()
-
-
+
+