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lisp2scs.py
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lisp2scs.py
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# This file is a derivation of work on - and as such shares the same
# licence as - Linux Show Player
#
# Linux Show Player:
# Copyright 2012-2023 Francesco Ceruti <[email protected]>
#
# This file:
# Copyright 2023 s0600204
#
# Linux Show Player is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Linux Show Player is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Linux Show Player. If not, see <http://www.gnu.org/licenses/>.
import logging
import os
from PyQt5.QtWidgets import (
QAction,
QFileDialog,
QMenu,
)
# pylint: disable=import-error
from lisp.core.plugin import Plugin
from lisp.ui.ui_utils import translate
from .exporter import ScsExporter
from .importer import ScsImporter
from .util import SCS_FILE_EXT, SCS_XML_INDENT
logger = logging.getLogger(__name__) # pylint: disable=invalid-name
class Lisp2Scs(Plugin):
"""Provides ability to export to a Show Cue Systems compatible showfile."""
Name = 'Export to SCS'
Authors = ('s0600204',)
Depends = ()
Description = 'Provides ability to export to a Show Cue Systems compatible showfile.'
def __init__(self, app):
super().__init__(app)
# Device Maps (which sound/video/lighting interfaces are in use)
# are stored locally on a show machine, rather than being saved
# to a showfile. The ProdId identifies which Device Map to use.
#
# We don't create one - we don't know the rules - but we can
# save an existing one on Import.
#
# @todo: Null this on LiSP showfile creation(/loading)
self._prod_id = None
self._exporter = None
self._importer = None
# Append actions to File menu
file_menu = self.app.window.menuFile
self.import_menu = QMenu(file_menu)
self.import_action = QAction(self.import_menu)
self.import_action.triggered.connect(self.import_showfile)
self.import_menu.addAction(self.import_action)
self.export_menu = QMenu(file_menu)
self.export_action = QAction(self.export_menu)
self.export_action.triggered.connect(self.export_showfile)
self.export_menu.addAction(self.export_action)
file_menu.insertMenu(self.app.window.editPreferences, self.import_menu)
file_menu.insertMenu(self.app.window.editPreferences, self.export_menu)
file_menu.insertSeparator(self.app.window.editPreferences)
self.retranslateUi()
def _fileio_startpoint(self):
if self.app.session.session_file:
return self.app.session.dir()
return self.app.conf.get("session.lastPath", os.getenv("HOME"))
def retranslateUi(self):
self.export_menu.setTitle(translate("Lisp2Scs", "Export"))
self.export_action.setText(translate("Lisp2Scs", "Show Cue Systems"))
self.import_menu.setTitle(translate("Lisp2Scs", "Import"))
self.import_action.setText(translate("Lisp2Scs", "Show Cue Systems"))
def export_showfile(self):
filename = self.get_export_filename()
if not filename:
return
if not self._exporter:
self._exporter = ScsExporter(self.app)
document = self._exporter.export(self._prod_id, self.app.layout.cues())
with open(filename, mode="w", encoding="utf-8") as file:
file.write(document.toprettyxml(indent=SCS_XML_INDENT))
def get_export_filename(self):
path, _ = QFileDialog.getSaveFileName(
parent=self.app.window,
filter=f"*{SCS_FILE_EXT}",
directory=self._fileio_startpoint()
)
if path:
if not path.endswith(SCS_FILE_EXT):
path += SCS_FILE_EXT
return path
return None
def get_import_filename(self):
path, _ = QFileDialog.getOpenFileName(
parent=self.app.window,
filter=f"*{SCS_FILE_EXT}",
directory=self._fileio_startpoint()
)
if path:
if not path.endswith(SCS_FILE_EXT):
path += SCS_FILE_EXT
return path
return None
def import_showfile(self):
if not self.app.window.check_session_saved():
return
filename = self.get_import_filename()
if not filename:
return
if not self._importer:
self._importer = ScsImporter(self.app)
with open(filename, mode="r", encoding="utf-8") as file_contents:
validated = self._importer.validate_file(file_contents)
if not validated:
logger.error("Imported file failed validation. See error log for details.")
return
self.app.create_session("ListLayout")
if hasattr(self.app, "session_initialised"):
self.app.session_initialised.emit(self.app.session)
with open(filename, mode="r", encoding="utf-8") as file_contents:
file_path = os.path.dirname(filename)
self._importer.import_file(file_contents, file_path)
self.app.session_loaded.emit(self.app.session)