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from gi.repository import Gtk
from pychrysalide import PluginModule
from pychrysalide import core
from pychrysalide.gui import core as gcore
from pychrysalide.gtkext import EasyGtk
class ScriptingEngine(PluginModule):
"""Extend the GUI to run external Python scripts."""
_name = 'ScriptingEngine'
_desc = 'Run external Python scripts on demand'
_version = '0.1'
_url = 'https://www.chrysalide.re/'
_actions = ( )
def __init__(self):
"""Initialize the plugin for Chrysalide."""
super(ScriptingEngine, self).__init__()
# Insert the new menu item into 'File' submenu
bar = gcore.find_editor_item_by_key('menubar')
builder = gcore.get_editor_builder()
file_menu = builder.get_object('file').get_submenu()
sep_item = builder.get_object('file_sep_1')
save_item = builder.get_object('file_save_project')
index = EasyGtk.find_contained_child_index(file_menu, save_item)
if index == -1:
raise RuntimeError('file menu not found')
prev = EasyGtk.get_nth_contained_child(file_menu, index - 1)
if sep_item == prev:
sep = Gtk.SeparatorMenuItem()
sep.show()
file_menu.insert(sep, index)
item = Gtk.MenuItem(label='Run Python script...')
item.connect("activate", self._on_file_run_script_activate)
item.show()
file_menu.insert(item, index)
def _on_file_run_script_activate(self, widget):
"""Look for a new script to run."""
dialog = Gtk.FileChooserDialog(title='Please choose a Python script to execute',
transient_for=gcore.get_editor_window(),
action=Gtk.FileChooserAction.OPEN)
dialog.add_buttons(Gtk.STOCK_CANCEL,
Gtk.ResponseType.CANCEL,
Gtk.STOCK_OPEN,
Gtk.ResponseType.OK)
ffilter = Gtk.FileFilter()
ffilter.set_name('Python files')
ffilter.add_mime_type('text/x-python')
dialog.add_filter(ffilter)
response = dialog.run()
if response == Gtk.ResponseType.OK:
filename = dialog.get_filename()
else:
filename = None
dialog.destroy()
if filename:
self._run_script_file(filename)
def _run_script_file(self, filename):
"""Run a given script file."""
core.log_message(core.LogMessageType.INFO, 'Execute the script file \'%s\'' % filename)
try:
with open(filename, 'r') as fd:
content = fd.read()
code = compile(content, '<string>', 'exec')
eval(code)
except Exception as e:
core.log_message(core.LogMessageType.EXT_ERROR, 'Error while running the script: %s' % str(e))
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