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Latest PyCrust

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@17031 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2002-09-06 21:24:51 +00:00
parent e37a28a0de
commit 0dacfc5ce4
1 changed files with 65 additions and 34 deletions
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95
wxPython/wxPython/lib/PyCrust/shell.py
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@@ -18,6 +18,7 @@ from pseudo import PseudoFileOut
from pseudo import PseudoFileErr from pseudo import PseudoFileErr
from version import VERSION from version import VERSION
sys.ps3 = '<-- ' # Input prompt.
NAVKEYS = (WXK_END, WXK_LEFT, WXK_RIGHT, WXK_UP, WXK_DOWN, WXK_PRIOR, WXK_NEXT) NAVKEYS = (WXK_END, WXK_LEFT, WXK_RIGHT, WXK_UP, WXK_DOWN, WXK_PRIOR, WXK_NEXT)
@@ -158,9 +159,14 @@ class Shell(wxStyledTextCtrl):
# Add the dictionary that was passed in. # Add the dictionary that was passed in.
if locals: if locals:
shellLocals.update(locals) shellLocals.update(locals)
# Create a replacement for stdin.
self.reader = PseudoFileIn(self.readline)
self.reader.input = ''
self.reader.isreading = 0
# Set up the interpreter.
self.interp = Interpreter(locals=shellLocals, \ self.interp = Interpreter(locals=shellLocals, \
rawin=self.readRaw, \ rawin=self.raw_input, \
stdin=PseudoFileIn(self.readIn), \ stdin=self.reader, \
stdout=PseudoFileOut(self.writeOut), \ stdout=PseudoFileOut(self.writeOut), \
stderr=PseudoFileErr(self.writeErr), \ stderr=PseudoFileErr(self.writeErr), \
*args, **kwds) *args, **kwds)
@@ -201,7 +207,8 @@ class Shell(wxStyledTextCtrl):
except: pass except: pass
def destroy(self): def destroy(self):
del self.interp # del self.interp
pass
def config(self): def config(self):
"""Configure shell based on user preferences.""" """Configure shell based on user preferences."""
@@ -340,7 +347,10 @@ class Shell(wxStyledTextCtrl):
self.BraceHighlight(braceAtCaret, braceOpposite) self.BraceHighlight(braceAtCaret, braceOpposite)
def OnChar(self, event): def OnChar(self, event):
"""Keypress event handler.""" """Keypress event handler.
Only receives an event if OnKeyDown calls event.Skip() for
the corresponding event."""
# Prevent modification of previously submitted commands/responses. # Prevent modification of previously submitted commands/responses.
if not self.CanEdit(): if not self.CanEdit():
@@ -348,7 +358,10 @@ class Shell(wxStyledTextCtrl):
key = event.KeyCode() key = event.KeyCode()
currpos = self.GetCurrentPos() currpos = self.GetCurrentPos()
stoppos = self.promptPosEnd stoppos = self.promptPosEnd
if key in self.autoCompleteKeys: # Return (Enter) needs to be ignored in this handler.
if key == WXK_RETURN:
pass
elif key in self.autoCompleteKeys:
# Usually the dot (period) key activates auto completion. # Usually the dot (period) key activates auto completion.
# Get the command between the prompt and the cursor. # Get the command between the prompt and the cursor.
# Add the autocomplete character to the end of the command. # Add the autocomplete character to the end of the command.
@@ -379,6 +392,7 @@ class Shell(wxStyledTextCtrl):
shiftDown = event.ShiftDown() shiftDown = event.ShiftDown()
currpos = self.GetCurrentPos() currpos = self.GetCurrentPos()
endpos = self.GetTextLength() endpos = self.GetTextLength()
selecting = self.GetSelectionStart() != self.GetSelectionEnd()
# Return (Enter) is used to submit a command to the interpreter. # Return (Enter) is used to submit a command to the interpreter.
if not controlDown and key == WXK_RETURN: if not controlDown and key == WXK_RETURN:
if self.AutoCompActive(): self.AutoCompCancel() if self.AutoCompActive(): self.AutoCompCancel()
@@ -420,7 +434,6 @@ class Shell(wxStyledTextCtrl):
elif key == WXK_HOME: elif key == WXK_HOME:
home = self.promptPosEnd home = self.promptPosEnd
if currpos > home: if currpos > home:
selecting = self.GetSelectionStart() != self.GetSelectionEnd()
self.SetCurrentPos(home) self.SetCurrentPos(home)
if not selecting and not shiftDown: if not selecting and not shiftDown:
self.SetAnchor(home) self.SetAnchor(home)
@@ -432,8 +445,7 @@ class Shell(wxStyledTextCtrl):
# is a selection that includes text prior to the prompt. # is a selection that includes text prior to the prompt.
# #
# Don't modify a selection with text prior to the prompt. # Don't modify a selection with text prior to the prompt.
elif self.GetSelectionStart() != self.GetSelectionEnd()\ elif selecting and key not in NAVKEYS and not self.CanEdit():
and key not in NAVKEYS and not self.CanEdit():
pass pass
# Paste from the clipboard. # Paste from the clipboard.
elif (controlDown and not shiftDown \ elif (controlDown and not shiftDown \
@@ -463,8 +475,7 @@ class Shell(wxStyledTextCtrl):
self.OnHistorySearch() self.OnHistorySearch()
# Don't backspace over the latest non-continuation prompt. # Don't backspace over the latest non-continuation prompt.
elif key == WXK_BACK: elif key == WXK_BACK:
if self.GetSelectionStart() != self.GetSelectionEnd()\ if selecting and self.CanEdit():
and self.CanEdit():
event.Skip() event.Skip()
elif currpos > self.promptPosEnd: elif currpos > self.promptPosEnd:
event.Skip() event.Skip()
@@ -585,6 +596,14 @@ class Shell(wxStyledTextCtrl):
lines = command.split(os.linesep + sys.ps2) lines = command.split(os.linesep + sys.ps2)
lines = [line.rstrip() for line in lines] lines = [line.rstrip() for line in lines]
command = '\n'.join(lines) command = '\n'.join(lines)
if self.reader.isreading:
if not command:
# Match the behavior of the standard Python shell when
# the user hits return without entering a value.
command = '\n'
self.reader.input = command
self.write(os.linesep)
else:
self.push(command) self.push(command)
# Or replace the current command with the other command. # Or replace the current command with the other command.
else: else:
@@ -664,8 +683,8 @@ class Shell(wxStyledTextCtrl):
def push(self, command): def push(self, command):
"""Send command to the interpreter for execution.""" """Send command to the interpreter for execution."""
busy = wxBusyCursor()
self.write(os.linesep) self.write(os.linesep)
busy = wxBusyCursor()
self.more = self.interp.push(command) self.more = self.interp.push(command)
del busy del busy
if not self.more: if not self.more:
@@ -702,17 +721,26 @@ class Shell(wxStyledTextCtrl):
return text return text
def prompt(self): def prompt(self):
"""Display appropriate prompt for the context, either ps1 or ps2. """Display appropriate prompt for the context, either ps1, ps2 or ps3.
If this is a continuation line, autoindent as necessary.""" If this is a continuation line, autoindent as necessary."""
if self.more: isreading = self.reader.isreading
skip = 0
if isreading:
prompt = str(sys.ps3)
elif self.more:
prompt = str(sys.ps2) prompt = str(sys.ps2)
else: else:
prompt = str(sys.ps1) prompt = str(sys.ps1)
pos = self.GetCurLine()[1] pos = self.GetCurLine()[1]
if pos > 0: self.write(os.linesep) if pos > 0:
if isreading:
skip = 1
else:
self.write(os.linesep)
if not self.more: if not self.more:
self.promptPosStart = self.GetCurrentPos() self.promptPosStart = self.GetCurrentPos()
if not skip:
self.write(prompt) self.write(prompt)
if not self.more: if not self.more:
self.promptPosEnd = self.GetCurrentPos() self.promptPosEnd = self.GetCurrentPos()
@@ -724,22 +752,29 @@ class Shell(wxStyledTextCtrl):
self.EnsureCaretVisible() self.EnsureCaretVisible()
self.ScrollToColumn(0) self.ScrollToColumn(0)
def readIn(self): def readline(self):
"""Replacement for stdin.""" """Replacement for stdin.readline()."""
prompt = 'Please enter your response:' input = ''
dialog = wxTextEntryDialog(None, prompt, \ reader = self.reader
'Input Dialog (Standard)', '') reader.isreading = 1
self.prompt()
try: try:
if dialog.ShowModal() == wxID_OK: while not reader.input:
text = dialog.GetValue() wxYield()
self.write(text + os.linesep) input = reader.input
return text
finally: finally:
dialog.Destroy() reader.input = ''
return '' reader.isreading = 0
return input
def readRaw(self, prompt='Please enter your response:'): def raw_input(self, prompt=''):
"""Replacement for raw_input.""" """Return string based on user input."""
if prompt:
self.write(prompt)
return self.readline()
def ask(self, prompt='Please enter your response:'):
"""Get response from the user using a dialog box."""
dialog = wxTextEntryDialog(None, prompt, \ dialog = wxTextEntryDialog(None, prompt, \
'Input Dialog (Raw)', '') 'Input Dialog (Raw)', '')
try: try:
@@ -750,10 +785,6 @@ class Shell(wxStyledTextCtrl):
dialog.Destroy() dialog.Destroy()
return '' return ''
def ask(self, prompt='Please enter your response:'):
"""Get response from the user."""
return raw_input(prompt=prompt)
def pause(self): def pause(self):
"""Halt execution pending a response from the user.""" """Halt execution pending a response from the user."""
self.ask('Press enter to continue:') self.ask('Press enter to continue:')
@@ -829,7 +860,7 @@ class Shell(wxStyledTextCtrl):
def redirectStdin(self, redirect=1): def redirectStdin(self, redirect=1):
"""If redirect is true then sys.stdin will come from the shell.""" """If redirect is true then sys.stdin will come from the shell."""
if redirect: if redirect:
sys.stdin = PseudoFileIn(self.readIn) sys.stdin = self.reader
else: else:
sys.stdin = self.stdin sys.stdin = self.stdin