Source code for sas.perspectives.calculator.pyconsole

"""
Console Module display Python console
"""
import sys
import os
import wx
import wx.lib.dialogs
import wx.py.editor as editor
import wx.py.frame as frame
import py_compile

if sys.platform.count("win32")>0:
    PANEL_WIDTH = 800
    PANEL_HEIGHT = 700
    FONT_VARIANT = 0
else:
    PANEL_WIDTH = 830
    PANEL_HEIGHT = 730
    FONT_VARIANT = 1
ID_COMPILE = wx.NewId() 
ID_RUN = wx.NewId()  

[docs]def compile_file(path): """ Compile a python file """ try: import py_compile py_compile.compile(file=path, doraise=True) except: type, value, traceback = sys.exc_info() return value return None
[docs]class PyConsole(editor.EditorNotebookFrame): ## Internal nickname for the window, used by the AUI manager window_name = "Custom Model Editor" ## Name to appear on the window title bar window_caption = "Custom Model Editor" ## Flag to tell the AUI manager to put this panel in the center pane CENTER_PANE = False def __init__(self, parent=None, base=None, manager=None, panel=None, title='Python Shell/Editor', filename=None, size=(PANEL_WIDTH, PANEL_HEIGHT)): self.config = None editor.EditorNotebookFrame.__init__(self, parent=parent, title=title, size=size, filename=filename) self.parent = parent self._manager = manager self.base = base self.panel = panel self._add_menu() if filename != None: dataDir = os.path.dirname(filename) elif self.parent != None: dataDir = self.parent._default_save_location else: dataDir = None self.dataDir = dataDir self.Centre() self.Bind(wx.EVT_MENU, self.OnNewFile, id=wx.ID_NEW) self.Bind(wx.EVT_MENU, self.OnOpenFile, id=wx.ID_OPEN) self.Bind(wx.EVT_MENU, self.OnSaveFile, id=wx.ID_SAVE) self.Bind(wx.EVT_MENU, self.OnSaveAsFile, id=wx.ID_SAVEAS) self.Bind(wx.EVT_MENU, self.OnCompile, id=ID_COMPILE) self.Bind(wx.EVT_MENU, self.OnRun, id=ID_RUN) self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateCompileMenu, id=ID_COMPILE) self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateCompileMenu, id=ID_RUN) self.Bind(wx.EVT_CLOSE, self.on_close) if not title.count('Python Shell'): # Delete menu item (open and new) if not python shell #self.fileMenu.Delete(wx.ID_NEW) self.fileMenu.Delete(wx.ID_OPEN) def _add_menu(self): """ Add menu """ self.compileMenu = wx.Menu() self.compileMenu.Append(ID_COMPILE, 'Compile', 'Compile the file') self.compileMenu.AppendSeparator() self.compileMenu.Append(ID_RUN, 'Run in Shell', 'Run the file in the Python Shell') self.MenuBar.Insert(3, self.compileMenu, '&Run')
[docs] def OnHelp(self, event): """ Show a help dialog. """ import wx.lib.dialogs title = 'Help on key bindings' text = wx.py.shell.HELP_TEXT dlg = wx.lib.dialogs.ScrolledMessageDialog(self, text, title, size = ((700, 540))) fnt = wx.Font(10, wx.TELETYPE, wx.NORMAL, wx.NORMAL) dlg.GetChildren()[0].SetFont(fnt) dlg.GetChildren()[0].SetInsertionPoint(0) dlg.ShowModal() dlg.Destroy()
[docs] def set_manager(self, manager): """ Set the manager of this window """ self._manager = manager
[docs] def OnAbout(self, event): """ On About """ message = ABOUT dial = wx.MessageDialog(self, message, 'About', wx.OK|wx.ICON_INFORMATION) dial.ShowModal()
[docs] def OnNewFile(self, event): """ OnFileOpen """ self.OnFileNew(event)
[docs] def OnOpenFile(self, event): """ OnFileOpen """ self.OnFileOpen(event) self.Show(False) self.Show(True)
[docs] def OnSaveFile(self, event): """ OnFileSave overwrite """ self.OnFileSave(event) self.Show(False) self.Show(True)
[docs] def OnSaveAsFile(self, event): """ OnFileSaveAs overwrite """ self.OnFileSaveAs(event) self.Show(False) self.Show(True)
[docs] def bufferOpen(self): """ Open file in buffer, bypassing editor bufferOpen """ if self.bufferHasChanged(): cancel = self.bufferSuggestSave() if cancel: return cancel filedir = '' if self.buffer and self.buffer.doc.filedir: filedir = self.buffer.doc.filedir if not filedir: filedir = self.dataDir result = editor.openSingle(directory=filedir, wildcard='Python Files (*.py)|*.py') if result.path: self.bufferCreate(result.path) cancel = False return cancel
[docs] def bufferSaveAs(self): """ Save buffer to a new filename: Bypassing editor bufferSaveAs """ filedir = '' if self.buffer and self.buffer.doc.filedir: filedir = self.buffer.doc.filedir if not filedir: filedir = self.dataDir result = editor.saveSingle(directory=filedir, filename='untitled.py', wildcard='Python Files (*.py)|*.py') if result.path: self.buffer.confirmed = True self.buffer.saveAs(result.path) cancel = False else: cancel = True return cancel
[docs] def OnRun(self, event): """ Run """ if self._check_changed(): return True if self.buffer and self.buffer.doc.filepath: self.editor.setFocus() # Why we have to do this (Otherwise problems on Windows)? forward_path = self.buffer.doc.filepath.replace('\\', '/') self.shell.Execute("execfile('%s')"% forward_path) self.shell.Hide() self.shell.Show(True) return self.shell.GetText().split(">>>")[-2] else: mssg = "\n This is not a python file." title = 'Error' icon = wx.ICON_ERROR wx.MessageBox(str(mssg), title, style=icon) return 0
[docs] def OnCompile(self, event): """ Compile """ if self._check_changed(): return True run_out = self.OnRun(None) if self._get_err_msg(run_out): if self._manager != None and self.panel != None: self._manager.set_edit_menu_helper(self.parent) # Update custom model list in fitpage combobox wx.CallAfter(self._manager.update_custom_combo)
def _check_changed(self): """ If content was changed, suggest to save it first """ if self.bufferHasChanged() and self.buffer.doc.filepath: cancel = self.bufferSuggestSave() if cancel: return cancel def _get_err_msg(self, text=''): """ Get err_msg """ name = None mssg = "\n This is not a python file." title = 'Error' icon = wx.ICON_ERROR try: fname = self.editor.getStatus()[0] name = os.path.basename(fname) if name.split('.')[-1] != 'py': wx.MessageBox(str(mssg), title, style=icon) return False msg = compile_file(fname) except: msg = None if name == None: wx.MessageBox(str(mssg), title, style=icon) return False mssg = "Compiling '%s'...\n"% name if msg != None: mssg += "Error occurred:\n" mssg += str(msg) + "\n\n" if text: mssg += "Run-Test results:\n" mssg += str(text) title = 'Warning' icon = wx.ICON_WARNING else: mssg += "Successful.\n\n" if text: if text.count('Failed') or text.count('Error:') > 0: mssg += "But Simple Test FAILED: Please check your code.\n" mssg += "Run-Test results:\n" mssg += str(text) title = 'Info' icon = wx.ICON_INFORMATION dlg = wx.lib.dialogs.ScrolledMessageDialog(self, mssg, title, size = ((550, 250))) fnt = wx.Font(10, wx.TELETYPE, wx.NORMAL, wx.NORMAL) dlg.GetChildren()[0].SetFont(fnt) dlg.GetChildren()[0].SetInsertionPoint(0) dlg.ShowModal() dlg.Destroy() return True
[docs] def OnUpdateCompileMenu(self, event): """ Update Compile menu items based on current tap. """ win = wx.Window.FindFocus() id = event.GetId() event.Enable(True) try: if id == ID_COMPILE or id == ID_RUN: menu_on = False if self.buffer and self.buffer.doc.filepath: menu_on = True event.Enable(menu_on) except AttributeError: # This menu option is not supported in the current context. event.Enable(False)
[docs] def on_close(self, event): """ Close event """ if self.base != None: self.base.py_frame = None self.Destroy()
ABOUT = "Welcome to Python %s! \n\n"% sys.version.split()[0] ABOUT += "This uses Py Shell/Editor in wx (developed by Patrick K. O'Brien).\n" ABOUT += "If this is your first time using Python, \n" ABOUT += "you should definitely check out the tutorial " ABOUT += "on the Internet at http://www.python.org/doc/tut/." if __name__ == "__main__": app = wx.App() dlg = PyConsole() dlg.Show() app.MainLoop()