331 lines
13 KiB
Python
331 lines
13 KiB
Python
#!/usr/bin/env python3
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# Pika-Python - allows the writing of Pika plugins in Python.
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# Copyright (C) 1997 James Henstridge <james@daa.com.au>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import gi
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gi.require_version('Pika', '3.0')
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gi.require_version('PikaUi', '3.0')
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from gi.repository import Pika
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from gi.repository import PikaUi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk
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from gi.repository import GObject
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from gi.repository import Gio
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from gi.repository import GLib
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import sys
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import pyconsole
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#import pikashelf, pikaui, pyconsole
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import gettext
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textdomain = "pika30-python"
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gettext.bindtextdomain(textdomain, Pika.locale_directory())
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gettext.textdomain(textdomain)
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_ = gettext.gettext
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PROC_NAME = 'python-fu-console'
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RESPONSE_BROWSE, RESPONSE_CLEAR, RESPONSE_SAVE = range(3)
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def run(procedure, config, data):
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PikaUi.init ("python-console.py")
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namespace = {'__builtins__': __builtins__,
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'__name__': '__main__', '__doc__': None,
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'Babl': gi.repository.Babl,
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'cairo': gi.repository.cairo,
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'Gdk': gi.repository.Gdk,
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'Gegl': gi.repository.Gegl,
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'Pika': gi.repository.Pika,
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'PikaUi': gi.repository.PikaUi,
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'Gio': gi.repository.Gio,
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'Gtk': gi.repository.Gtk,
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'GdkPixbuf': gi.repository.GdkPixbuf,
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'GLib': gi.repository.GLib,
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'GObject': gi.repository.GObject,
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'Pango': gi.repository.Pango }
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class PikaConsole(pyconsole.Console):
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def __init__(self, quit_func=None):
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banner = ('PIKA %s Python Console\nPython %s\n' %
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(Pika.version(), sys.version))
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pyconsole.Console.__init__(self,
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locals=namespace, banner=banner,
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quit_func=quit_func)
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def _commit(self):
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pyconsole.Console._commit(self)
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Pika.displays_flush()
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class ConsoleDialog(PikaUi.Dialog):
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def __init__(self):
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use_header_bar = Gtk.Settings.get_default().get_property("gtk-dialogs-use-header")
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PikaUi.Dialog.__init__(self, use_header_bar=use_header_bar)
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self.set_property("help-id", PROC_NAME)
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Gtk.Window.set_title(self, _("Python Console"))
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Gtk.Window.set_role(self, PROC_NAME)
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Gtk.Dialog.add_button(self, _("_Save"), Gtk.ResponseType.OK)
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Gtk.Dialog.add_button(self, _("Cl_ear"), RESPONSE_CLEAR)
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Gtk.Dialog.add_button(self, _("_Browse..."), RESPONSE_BROWSE)
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Gtk.Dialog.add_button(self, _("_Close"), Gtk.ResponseType.CLOSE)
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Gtk.Widget.set_name (self, PROC_NAME)
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PikaUi.Dialog.set_alternative_button_order_from_array(self,
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[ Gtk.ResponseType.CLOSE,
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RESPONSE_BROWSE,
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RESPONSE_CLEAR,
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Gtk.ResponseType.OK ])
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self.cons = PikaConsole(quit_func=lambda: Gtk.main_quit())
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self.style_set (None, None)
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self.connect('response', self.response)
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self.connect('style-set', self.style_set)
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self.browse_dlg = None
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self.save_dlg = None
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vbox = Gtk.VBox(homogeneous=False, spacing=12)
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vbox.set_border_width(12)
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contents_area = Gtk.Dialog.get_content_area(self)
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contents_area.pack_start(vbox, True, True, 0)
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scrl_win = Gtk.ScrolledWindow()
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scrl_win.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.ALWAYS)
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vbox.pack_start(scrl_win, True, True, 0)
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scrl_win.add(self.cons)
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width, height = self.cons.get_default_size()
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minreq, requisition = Gtk.Widget.get_preferred_size(scrl_win.get_vscrollbar())
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sb_width = requisition.width
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sb_height = requisition.height
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# Account for scrollbar width and border width to ensure
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# the text view gets a width of 80 characters. We don't care
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# so much whether the height will be exactly 40 characters.
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Gtk.Window.set_default_size(self, width + sb_width + 2 * 12, height)
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def style_set(self, old_style, user_data):
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pass
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#style = Gtk.Widget.get_style (self)
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#self.cons.stdout_tag.set_property ("foreground", style.text[Gtk.StateType.NORMAL])
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#self.cons.stderr_tag.set_property ("foreground", style.text[Gtk.StateType.INSENSITIVE])
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def response(self, dialog, response_id):
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if response_id == RESPONSE_BROWSE:
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self.browse()
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elif response_id == RESPONSE_CLEAR:
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self.cons.banner = None
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self.cons.clear()
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elif response_id == Gtk.ResponseType.OK:
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self.save_dialog()
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else:
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Gtk.main_quit()
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self.cons.grab_focus()
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def command_for_procedure(self, proc_name):
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'''
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Assemble string of Python code that when eval'd
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will call proc_name with contrived arguments.
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The purpose is to generate a template for a call
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to the PDB procedure the user has selected.
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The call MIGHT work as is.
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Otherwise, the names of the arguments might be enough
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that the user can figure out how to edit the template.
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The code will run in the environment of the console/browser,
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which is not the PIKA v2 PikaFu environment
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but the PIKA v3 PyGObject introspected environment.
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If ever PikaFu module is resurrected, and Python console imports it,
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then revert this code to its v2 form.
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'''
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proc = Pika.get_pdb().lookup_procedure(proc_name)
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if proc is None:
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return None
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return_values = proc.get_return_values()
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param_specs = proc.get_arguments()
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cmd = f"procedure = Pika.get_pdb().lookup_procedure('{proc_name}'); "
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cmd += f"config = procedure.create_config(); "
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for arg in param_specs:
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if arg.name == 'run-mode':
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# Special handling for run mode.
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cmd += "config.set_property('" + arg.name + "', Pika.RunMode.INTERACTIVE); "
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else:
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cmd += "config.set_property('" + arg.name + "', " + arg.name.replace('-', '_') + "); "
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cmd += f"result = procedure.run(config); "
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cmd += f"success = result.index(0)"
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if len(return_values) > 0:
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i = 1
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for retval in return_values:
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cmd += '; {} = result.index({})'.format(retval.name.replace('-', '_'), i)
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i += 1
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return cmd
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def browse_response(self, dlg, response_id):
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if response_id != Gtk.ResponseType.APPLY:
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Gtk.Widget.hide(dlg)
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return
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proc_name = dlg.get_selected()
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if not proc_name:
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# Apply button was enabled without a selection?
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return
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cmd = self.command_for_procedure(proc_name)
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if cmd is None:
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# Should not happen. We browsed a name not in the PDB?
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return
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buffer = self.cons.buffer
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lines = buffer.get_line_count()
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iter = buffer.get_iter_at_line_offset(lines - 1, 4)
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buffer.delete(iter, buffer.get_end_iter())
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buffer.place_cursor(buffer.get_end_iter())
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buffer.insert_at_cursor(cmd)
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# not insert a newline, user can edit and then "enter" the command
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def browse(self):
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if not self.browse_dlg:
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use_header_bar = Gtk.Settings.get_default().get_property("gtk-dialogs-use-header")
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dlg = PikaUi.ProcBrowserDialog(use_header_bar=use_header_bar)
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Gtk.Window.set_title(dlg, _("Python Procedure Browser"))
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Gtk.Window.set_role(dlg, PROC_NAME)
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Gtk.Dialog.add_button(dlg, _("_Apply"), Gtk.ResponseType.APPLY)
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Gtk.Dialog.add_button(dlg, _("_Close"), Gtk.ResponseType.CLOSE)
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Gtk.Dialog.set_default_response(self, Gtk.ResponseType.OK)
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PikaUi.Dialog.set_alternative_button_order_from_array(dlg,
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[ Gtk.ResponseType.CLOSE,
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Gtk.ResponseType.APPLY ])
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dlg.connect('response', self.browse_response)
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dlg.connect('row-activated',
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lambda dlg: dlg.response(Gtk.ResponseType.APPLY))
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self.browse_dlg = dlg
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Gtk.Window.present(self.browse_dlg)
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def save_response(self, dlg, response_id):
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if response_id == Gtk.ResponseType.DELETE_EVENT:
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self.save_dlg = None
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return
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elif response_id == Gtk.ResponseType.OK:
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filename = dlg.get_filename()
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try:
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logfile = open(filename, 'w')
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except IOError as e:
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Pika.message(_("Could not open '%s' for writing: %s") %
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(filename, e.strerror))
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return
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buffer = self.cons.buffer
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start = buffer.get_start_iter()
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end = buffer.get_end_iter()
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log = buffer.get_text(start, end, False)
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try:
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logfile.write(log)
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logfile.close()
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except IOError as e:
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Pika.message(_("Could not write to '%s': %s") %
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(filename, e.strerror))
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return
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Gtk.Widget.hide(dlg)
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def save_dialog(self):
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if not self.save_dlg:
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dlg = Gtk.FileChooserDialog()
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Gtk.Window.set_title(dlg, _("Save Python-Fu Console Output"))
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Gtk.Window.set_transient_for(dlg, self)
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Gtk.Dialog.add_button(dlg, _("_Cancel"), Gtk.ResponseType.CANCEL)
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Gtk.Dialog.add_button(dlg, _("_Save"), Gtk.ResponseType.OK)
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Gtk.Dialog.set_default_response(self, Gtk.ResponseType.OK)
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PikaUi.Dialog.set_alternative_button_order_from_array(dlg,
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[ Gtk.ResponseType.OK,
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Gtk.ResponseType.CANCEL ])
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dlg.connect('response', self.save_response)
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self.save_dlg = dlg
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self.save_dlg.present()
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def run(self):
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Gtk.Widget.show_all(self)
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Gtk.main()
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ConsoleDialog().run()
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return procedure.new_return_values(Pika.PDBStatusType.SUCCESS, GLib.Error())
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class PythonConsole (Pika.PlugIn):
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## Properties: parameters ##
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@GObject.Property(type=Pika.RunMode,
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default=Pika.RunMode.NONINTERACTIVE,
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nick=_("Run mode"), blurb=_("The run mode"))
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def run_mode(self):
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"""Read-write integer property."""
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return self.runmode
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@run_mode.setter
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def run_mode(self, runmode):
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self.runmode = runmode
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## PikaPlugIn virtual methods ##
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def do_set_i18n(self, name):
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return True, 'pika30-python', None
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def do_query_procedures(self):
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return [ PROC_NAME ]
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def do_create_procedure(self, name):
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if name == PROC_NAME:
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procedure = Pika.Procedure.new(self, name,
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Pika.PDBProcType.PLUGIN,
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run, None)
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procedure.set_menu_label(_("Python _Console"))
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procedure.set_documentation(_("Interactive PIKA Python interpreter"),
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_("Type in commands and see results"),
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"")
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procedure.set_attribution("James Henstridge",
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"James Henstridge",
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"1997-1999")
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procedure.add_argument_from_property(self, "run-mode")
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procedure.add_menu_path ("<Image>/Filters/Development/Python-Fu")
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return procedure
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return None
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Pika.main(PythonConsole.__gtype__, sys.argv)
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