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 = __revision__
-
+
def __init__(self, other):
"""Create a ShellFacade instance."""
methods = ['ask',
class Shell(wxStyledTextCtrl):
"""PyCrust Shell based on wxStyledTextCtrl."""
-
+
name = 'PyCrust Shell'
revision = __revision__
-
+
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.write(self.interp.introText)
except AttributeError:
pass
-
+
def setBuiltinKeywords(self):
"""Create pseudo keywords as part of builtins.
-
+
This simply sets "close", "exit" and "quit" to a helpful string.
"""
import __builtin__
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,back:%(backcol)s" % faces)
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()
+ thepos = self.GetCurrentPos()
startpos = self.promptPosEnd
endpos = self.GetTextLength()
# If they hit RETURN inside the current command, 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()
command += '\n'
command += line
commands.append(command)
- for command in commands:
+ for command in commands:
command = command.replace('\n', os.linesep + sys.ps2)
self.write(command)
self.processLine()
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 = __revision__
-
+
def __init__(self, parent=None, id=-1, title='PyShell', \
pos=wxDefaultPosition, size=wxDefaultSize, \
style=wxDEFAULT_FRAME_STYLE, locals=None, \
self.createMenus()
-
-
+
+