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"""!
@package gpyshell.py
@brief wxGUI Interactive Python Shell
Classes:
- PyShellWindow
@todo run pyshell and evaluate code in a separate instance of python
& design the widget communicate back and forth with it
(C) 2011 by the GRASS Development Team
This program is free software under the GNU General Public
License (>=v2). Read the file COPYING that comes with GRASS
for details.
@author Martin Landa <landa.martin gmail.com>
"""
import os
import sys
import wx
from wx.py.shell import Shell as PyShell
from wx.py.version import VERSION
import grass.script as grass
class PyShellWindow(wx.Panel):
"""!Python Shell Window"""
def __init__(self, parent, id = wx.ID_ANY, **kwargs):
self.parent = parent # GMFrame
wx.Panel.__init__(self, parent = parent, id = id, **kwargs)
self.intro = _("Welcome to wxGUI Interactive Python Shell %s") % VERSION + "\n\n" + \
_("Type %s for more GRASS scripting related information.") % "\"help(grass)\"" + "\n" + \
_("Type %s to add raster or vector to the layer tree.") % "\"AddLayer()\"" + "\n\n"
self.shell = PyShell(parent = self, id = wx.ID_ANY,
introText = self.intro, locals = {'grass' : grass,
'AddLayer' : self.AddLayer})
sys.displayhook = self._displayhook
self.btnClear = wx.Button(self, wx.ID_CLEAR)
self.btnClear.Bind(wx.EVT_BUTTON, self.OnClear)
self.btnClear.SetToolTipString(_("Delete all text from the shell"))
self._layout()
def _displayhook(self, value):
print value # do not modify __builtin__._
def _layout(self):
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(item = self.shell, proportion = 1,
flag = wx.EXPAND)
btnSizer = wx.BoxSizer(wx.HORIZONTAL)
btnSizer.Add(item = self.btnClear, proportion = 0,
flag = wx.EXPAND | wx.RIGHT, border = 5)
sizer.Add(item = btnSizer, proportion = 0,
flag = wx.ALIGN_RIGHT | wx.ALL, border = 5)
sizer.Fit(self)
sizer.SetSizeHints(self)
self.SetSizer(sizer)
self.Fit()
self.SetAutoLayout(True)
self.Layout()
def AddLayer(self, name, ltype = 'auto'):
"""!Add selected map to the layer tree
@param name name of raster/vector map to be added
@param type map type ('raster', 'vector', 'auto' for autodetection)
"""
fname = None
if ltype == 'raster' or ltype != 'vector':
# check for raster
fname = grass.find_file(name, element = 'cell')['fullname']
if fname:
ltype = 'raster'
lcmd = 'd.rast'
if not fname and (ltype == 'vector' or ltype != 'raster'):
# if not found check for vector
fname = grass.find_file(name, element = 'vector')['fullname']
if fname:
ltype = 'vector'
lcmd = 'd.vect'
if not fname:
return _("Raster or vector map <%s> not found") % (name)
self.parent.GetLayerTree().AddLayer(ltype = ltype,
lname = fname,
lchecked = True,
lcmd = [lcmd, 'map=%s' % fname])
if ltype == 'raster':
return _('Raster map <%s> added') % fname
return _('Vector map <%s> added') % fname
def OnClear(self, event):
"""!Delete all text from the shell
"""
self.shell.clear()
self.shell.showIntro(self.intro)
self.shell.prompt()
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