114 lines
4.9 KiB
Python
114 lines
4.9 KiB
Python
# Plugin by Sinan Nalkaya <sardok@gmail.com>
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# See LICENSE of Terminator package.
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""" logger.py - Terminator Plugin to log 'content' of individual
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terminals """
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import os
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import sys
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from gi.repository import Gtk,Vte
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import terminatorlib.plugin as plugin
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from terminatorlib.translation import _
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AVAILABLE = ['Logger']
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class Logger(plugin.MenuItem):
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""" Add custom command to the terminal menu"""
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capabilities = ['terminal_menu']
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loggers = None
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dialog_action = Gtk.FileChooserAction.SAVE
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dialog_buttons = (_("_Cancel"), Gtk.ResponseType.CANCEL,
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_("_Save"), Gtk.ResponseType.OK)
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vte_version = Vte.get_minor_version()
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def __init__(self):
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plugin.MenuItem.__init__(self)
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if not self.loggers:
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self.loggers = {}
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def callback(self, menuitems, menu, terminal):
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""" Add save menu item to the menu"""
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vte_terminal = terminal.get_vte()
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if vte_terminal not in self.loggers:
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item = Gtk.MenuItem.new_with_mnemonic(_('Start _Logger'))
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item.connect("activate", self.start_logger, terminal)
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else:
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item = Gtk.MenuItem.new_with_mnemonic(_('Stop _Logger'))
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item.connect("activate", self.stop_logger, terminal)
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item.set_has_tooltip(True)
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item.set_tooltip_text("Saving at '" + self.loggers[vte_terminal]["filepath"] + "'")
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menuitems.append(item)
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def write_content(self, terminal, row_start, col_start, row_end, col_end):
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""" Final function to write a file """
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if self.vte_version < 72:
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content = terminal.get_text_range(row_start, col_start, row_end, col_end,
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lambda *a: True)
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else:
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content = terminal.get_text_range_format(Vte.Format.TEXT,row_start, col_start, row_end, col_end)
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content = content[0]
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fd = self.loggers[terminal]["fd"]
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# Don't write the last char which is always '\n'
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fd.write(content[:-1])
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self.loggers[terminal]["col"] = col_end
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self.loggers[terminal]["row"] = row_end
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def save(self, terminal):
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""" 'contents-changed' callback """
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last_saved_col = self.loggers[terminal]["col"]
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last_saved_row = self.loggers[terminal]["row"]
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(col, row) = terminal.get_cursor_position()
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# Save only when buffer is nearly full,
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# for the sake of efficiency
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if row - last_saved_row < terminal.get_row_count():
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return
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self.write_content(terminal, last_saved_row, last_saved_col, row, col)
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def start_logger(self, _widget, Terminal):
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""" Handle menu item callback by saving text to a file"""
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savedialog = Gtk.FileChooserDialog(title=_("Save Log File As"),
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action=self.dialog_action,
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buttons=self.dialog_buttons)
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savedialog.set_transient_for(_widget.get_toplevel())
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savedialog.set_do_overwrite_confirmation(True)
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savedialog.set_local_only(True)
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savedialog.show_all()
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response = savedialog.run()
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if response == Gtk.ResponseType.OK:
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try:
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logfile = os.path.join(savedialog.get_current_folder(),
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savedialog.get_filename())
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fd = open(logfile, 'w+')
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# Save log file path,
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# associated file descriptor, signal handler id
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# and last saved col,row positions respectively.
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vte_terminal = Terminal.get_vte()
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(col, row) = vte_terminal.get_cursor_position()
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self.loggers[vte_terminal] = {"filepath":logfile,
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"handler_id":0, "fd":fd,
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"col":col, "row":row}
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# Add contents-changed callback
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self.loggers[vte_terminal]["handler_id"] = vte_terminal.connect('contents-changed', self.save)
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except:
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e = sys.exc_info()[1]
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error = Gtk.MessageDialog(None, Gtk.DialogFlags.MODAL, Gtk.MessageType.ERROR,
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Gtk.ButtonsType.OK, e.strerror)
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error.set_transient_for(savedialog)
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error.run()
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error.destroy()
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savedialog.destroy()
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def stop_logger(self, _widget, terminal):
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vte_terminal = terminal.get_vte()
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last_saved_col = self.loggers[vte_terminal]["col"]
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last_saved_row = self.loggers[vte_terminal]["row"]
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(col, row) = vte_terminal.get_cursor_position()
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if last_saved_col != col or last_saved_row != row:
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# Save unwritten buffer to the file
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self.write_content(vte_terminal, last_saved_row, last_saved_col, row, col)
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fd = self.loggers[vte_terminal]["fd"]
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fd.close()
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vte_terminal.disconnect(self.loggers[vte_terminal]["handler_id"])
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del(self.loggers[vte_terminal])
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