mirror of https://gitlab.com/openlp/openlp.git
944 lines
41 KiB
Python
944 lines
41 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2022 OpenLP Developers #
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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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##########################################################################
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"""
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The :mod:`serviceitem` provides the service item functionality including the
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type and capability of an item.
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"""
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import datetime
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import logging
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import ntpath
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import os
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import uuid
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from copy import deepcopy
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from pathlib import Path
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from shutil import copytree, copy, move
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from PyQt5 import QtGui
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from openlp.core.common import ThemeLevel, sha256_file_hash
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from openlp.core.common.applocation import AppLocation
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from openlp.core.common.enum import ServiceItemType
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from openlp.core.common.i18n import translate
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from openlp.core.common.mixins import RegistryProperties
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from openlp.core.common.registry import Registry
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from openlp.core.common.utils import wait_for
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from openlp.core.display.render import remove_tags, render_tags, render_chords_for_printing
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from openlp.core.lib import create_thumb, image_to_data_uri, ItemCapabilities
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from openlp.core.lib.theme import BackgroundType, TransitionSpeed
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from openlp.core.state import State
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from openlp.core.ui.icons import UiIcons
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from openlp.core.ui.media import parse_stream_path
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log = logging.getLogger(__name__)
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class ServiceItem(RegistryProperties):
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"""
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The service item is a base class for the plugins to use to interact with
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the service manager, the slide controller, and the projection screen
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compositor.
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"""
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log.info('Service Item created')
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def __init__(self, plugin=None):
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"""
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Set up the service item.
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:param plugin: The plugin that this service item belongs to.
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"""
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if plugin:
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self.name = plugin.name
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self._rendered_slides = None
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self._display_slides = None
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self._print_slides = None
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self._creating_slides = False
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self.title = ''
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self.slides = []
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self.processor = None
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self.audit = ''
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self.items = []
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self.icon = UiIcons().default
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self.raw_footer = []
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# Plugins can set footer_html themselves. If they don't, it will be generated from raw_footer.
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self.footer_html = ''
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self.theme = None
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self.service_item_type = None
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self.unique_identifier = 0
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self.notes = ''
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self.from_plugin = False
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self.capabilities = []
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self.is_valid = True
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self.icon = None
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self.main = None
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self.footer = None
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self.bg_image_bytes = None
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self.search_string = ''
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self.data_string = ''
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self.edit_id = None
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self.xml_version = None
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self.start_time = 0
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self.end_time = 0
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self.media_length = 0
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self.from_service = False
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self.background_audio = []
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self.theme_overwritten = False
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self.temporary_edit = False
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self.auto_play_slides_once = False
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self.auto_play_slides_loop = False
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self.timed_slide_interval = 0
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self.will_auto_start = False
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self.has_original_file_path = True
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self.sha256_file_hash = None
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self.stored_filename = None
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self._new_item()
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self.metadata = []
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def get_theme_data(self, theme_level=None):
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"""
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Get the theme appropriate for this item
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:param theme_level: The theme_level to use,
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the value in Settings is used when this value is missinig
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"""
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if theme_level is None:
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theme_level = self.settings.value('themes/theme level')
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theme_manager = Registry().get('theme_manager')
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# Just assume we use the global theme.
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theme = theme_manager.global_theme
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if theme_level != ThemeLevel.Global:
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service_theme = self.settings.value('servicemanager/service theme')
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# Service or Song level, so assume service theme (if it exists and item in service)
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# but use song theme if level is song (and it exists)
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if service_theme and self.from_service:
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theme = service_theme
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if self.is_capable(ItemCapabilities.ProvidesOwnTheme) or theme_level == ThemeLevel.Song and self.theme:
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theme = self.theme
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theme = theme_manager.get_theme_data(theme)
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# Clean up capabilities and reload from the theme.
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if self.is_text():
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# Cleanup capabilities
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if self.is_capable(ItemCapabilities.CanStream):
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self.remove_capability(ItemCapabilities.CanStream)
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if self.is_capable(ItemCapabilities.HasBackgroundVideo):
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self.remove_capability(ItemCapabilities.HasBackgroundVideo)
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if self.is_capable(ItemCapabilities.HasBackgroundStream):
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self.remove_capability(ItemCapabilities.HasBackgroundStream)
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# Reload capabilities
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if theme.background_type == BackgroundType.to_string(BackgroundType.Stream):
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self.add_capability(ItemCapabilities.HasBackgroundStream)
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self.stream_mrl = theme.background_filename
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if theme.background_type == BackgroundType.to_string(BackgroundType.Video):
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self.video_file_name = theme.background_filename
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self.add_capability(ItemCapabilities.HasBackgroundVideo)
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return theme
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def _new_item(self):
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"""
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Method to set the internal id of the item. This is used to compare service items to see if they are the same.
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"""
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self.unique_identifier = str(uuid.uuid1())
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self.validate_item()
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def add_capability(self, capability):
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"""
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Add an ItemCapability to a ServiceItem
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:param capability: The capability to add
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"""
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self.capabilities.append(capability)
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def remove_capability(self, capability):
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"""
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Remove an ItemCapability from a ServiceItem
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:param capability: The capability to remove
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"""
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self.capabilities.remove(capability)
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def is_capable(self, capability):
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"""
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Tell the caller if a ServiceItem has a capability
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:param capability: The capability to test for
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"""
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return capability in self.capabilities
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def add_icon(self):
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"""
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Add an icon to the service item. This is used when displaying the service item in the service manager.
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"""
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if self.name == 'songs':
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self.icon = UiIcons().music
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elif self.name == 'bibles':
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self.icon = UiIcons().bible
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elif self.name == 'presentations':
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self.icon = UiIcons().presentation
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elif self.name == 'images':
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self.icon = UiIcons().picture
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elif self.name == 'media':
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self.icon = UiIcons().video
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else:
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self.icon = UiIcons().clone
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def _create_slides(self):
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"""
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Create frames for rendering and display
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"""
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wait_for(lambda: not self._creating_slides)
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self._creating_slides = True
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self._rendered_slides = []
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self._display_slides = []
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# Save rendered pages to this dict. In the case that a slide is used twice we can use the pages saved to
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# the dict instead of rendering them again.
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previous_pages = {}
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index = 0
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if not self.footer_html:
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self.footer_html = '<br>'.join([_f for _f in self.raw_footer if _f])
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for raw_slide in self.slides:
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verse_tag = raw_slide['verse']
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if verse_tag in previous_pages and previous_pages[verse_tag][0] == raw_slide:
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pages = previous_pages[verse_tag][1]
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else:
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pages = self.renderer.format_slide(raw_slide['text'], self)
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previous_pages[verse_tag] = (raw_slide, pages)
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for page in pages:
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rendered_slide = {
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'title': raw_slide['title'],
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'text': render_tags(page),
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'chords': render_tags(page, can_render_chords=True),
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'verse': index,
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'footer': self.footer_html
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}
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self._rendered_slides.append(rendered_slide)
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display_slide = {
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'title': raw_slide['title'],
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'text': remove_tags(page, can_remove_chords=True),
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'verse': verse_tag,
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}
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self._display_slides.append(display_slide)
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index += 1
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self._creating_slides = False
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@property
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def rendered_slides(self):
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"""
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Render the frames and return them
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"""
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wait_for(lambda: not self._creating_slides)
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if not self._rendered_slides:
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self._create_slides()
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return self._rendered_slides
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@property
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def display_slides(self):
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"""
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Render the frames and return them
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"""
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wait_for(lambda: not self._creating_slides)
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if not self._display_slides:
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self._create_slides()
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return self._display_slides
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@property
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def print_slides(self):
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"""
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Render the frames for printing and return them
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"""
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if not self._print_slides:
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self._print_slides = []
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previous_pages = {}
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index = 0
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for raw_slide in self.slides:
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verse_tag = raw_slide['verse']
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if verse_tag in previous_pages and previous_pages[verse_tag][0] == raw_slide:
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pages = previous_pages[verse_tag][1]
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else:
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pages = self.renderer.format_slide(raw_slide['text'], self)
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previous_pages[verse_tag] = (raw_slide, pages)
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for page in pages:
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slide = {
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'title': raw_slide['title'],
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'text': render_chords_for_printing(remove_tags(page), '\n'),
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'verse': index,
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'footer': self.raw_footer,
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}
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self._print_slides.append(slide)
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return self._print_slides
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def add_from_image(self, path, title, thumbnail=None, file_hash=None):
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"""
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Add an image slide to the service item.
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:param path: The directory in which the image file is located.
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:param title: A title for the slide in the service item.
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:param thumbnail: Optional alternative thumbnail, used for remote thumbnails.
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:param file_hash: Unique Reference to file .
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"""
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self.service_item_type = ServiceItemType.Image
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if not file_hash:
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file_hash = sha256_file_hash(path)
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slide = {'title': title, 'path': path, 'file_hash': file_hash}
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if thumbnail:
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slide['thumbnail'] = thumbnail
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self.slides.append(slide)
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self._new_item()
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def add_from_text(self, text, verse_tag=None):
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"""
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Add a text slide to the service item.
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:param text: The raw text of the slide.
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:param verse_tag:
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"""
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if verse_tag:
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verse_tag = verse_tag.upper()
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else:
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# For items that don't have a verse tag, autoincrement the slide numbers
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verse_tag = str(len(self.slides) + 1)
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self.service_item_type = ServiceItemType.Text
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title = text[:30].split('\n')[0]
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self.slides.append({'title': title, 'text': text, 'verse': verse_tag})
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self._new_item()
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def add_from_command(self, path, file_name, image, display_title=None, notes=None, file_hash=None):
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"""
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Add a slide from a command.
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:param path: The title of the slide in the service item.
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:param file_name: The title of the slide in the service item.
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:param image: The command of/for the slide.
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:param display_title: Title to show in gui/webinterface, optional.
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:param notes: Notes to show in the webinteface, optional.
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:param file_hash: Sha256 hash checksum of the file.
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"""
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self.service_item_type = ServiceItemType.Command
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# If the item should have a display title but this frame doesn't have one, we make one up
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if self.is_capable(ItemCapabilities.HasDisplayTitle) and not display_title:
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display_title = translate('OpenLP.ServiceItem',
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'[slide {frame:d}]').format(frame=len(self.slides) + 1)
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if self.uses_file():
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if file_hash:
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self.sha256_file_hash = file_hash
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else:
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file_location = Path(path) / file_name
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self.sha256_file_hash = sha256_file_hash(file_location)
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self.stored_filename = '{hash}{ext}'.format(hash=self.sha256_file_hash, ext=os.path.splitext(file_name)[1])
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# Update image path to match servicemanager location if file was loaded from service
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if image and self.name == 'presentations':
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image = AppLocation.get_section_data_path(self.name) / 'thumbnails' / self.sha256_file_hash / \
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ntpath.basename(image)
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self.slides.append({'title': file_name, 'image': image, 'path': path, 'display_title': display_title,
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'notes': notes, 'thumbnail': image})
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self._new_item()
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def get_service_repr(self, lite_save):
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"""
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This method returns some text which can be saved into the service file to represent this item.
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"""
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if self.sha256_file_hash:
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stored_filename = '{hash}{ext}'.format(hash=self.sha256_file_hash, ext=os.path.splitext(self.title)[1])
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else:
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stored_filename = None
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service_header = {
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'name': self.name,
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'plugin': self.name,
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'theme': self.theme,
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'title': self.title,
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'footer': self.raw_footer,
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'type': self.service_item_type,
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'audit': self.audit,
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'notes': self.notes,
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'from_plugin': self.from_plugin,
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'capabilities': self.capabilities,
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'search': self.search_string,
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'data': self.data_string,
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'xml_version': self.xml_version,
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'auto_play_slides_once': self.auto_play_slides_once,
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'auto_play_slides_loop': self.auto_play_slides_loop,
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'timed_slide_interval': self.timed_slide_interval,
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'start_time': self.start_time,
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'end_time': self.end_time,
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'media_length': self.media_length,
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'background_audio': self.background_audio,
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'theme_overwritten': self.theme_overwritten,
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'will_auto_start': self.will_auto_start,
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'processor': self.processor,
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'metadata': self.metadata,
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'sha256_file_hash': self.sha256_file_hash,
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'stored_filename': stored_filename
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}
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service_data = []
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if self.service_item_type == ServiceItemType.Text:
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for slide in self.slides:
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data_slide = deepcopy(slide)
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data_slide['raw_slide'] = data_slide.pop('text')
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data_slide['verseTag'] = data_slide.pop('verse')
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service_data.append(data_slide)
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elif self.service_item_type == ServiceItemType.Image:
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if lite_save:
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for slide in self.slides:
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# When saving a service that originated from openlp 2.4 thumbnail might not be available
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if 'thumbnail' in slide:
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image_path = slide['thumbnail']
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else:
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# Check if (by chance) the thumbnails for this image is available on this machine
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test_thumb = AppLocation.get_section_data_path(self.name) / 'thumbnails' / stored_filename
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if test_thumb.exists():
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image_path = test_thumb
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else:
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image_path = None
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service_data.append({'title': slide['title'], 'image': image_path, 'path': slide['path'],
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'file_hash': slide['file_hash']})
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else:
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for slide in self.slides:
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# When saving a service that originated from openlp 2.4 thumbnail might not be available
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if 'thumbnail' in slide:
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image_path = slide['thumbnail'].relative_to(AppLocation().get_data_path())
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else:
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# Check if (by chance) the thumbnails for this image is available on this machine
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test_thumb = AppLocation.get_section_data_path(self.name) / 'thumbnails' / stored_filename
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if test_thumb.exists():
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image_path = test_thumb
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else:
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image_path = None
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service_data.append({'title': slide['title'], 'image': image_path, 'file_hash': slide['file_hash']})
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elif self.service_item_type == ServiceItemType.Command:
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for slide in self.slides:
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if isinstance(slide['image'], QtGui.QIcon):
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image = 'clapperboard'
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elif lite_save:
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image = slide['image']
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else:
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image = slide['image'].relative_to(AppLocation().get_data_path())
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service_data.append({'title': slide['title'], 'image': image, 'path': slide['path'],
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'display_title': slide['display_title'], 'notes': slide['notes']})
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return {'header': service_header, 'data': service_data}
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def render_text_items(self):
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"""
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This method forces the display to be regenerated
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"""
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self._display_slides = []
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self._rendered_slides = []
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def set_from_service(self, service_item, path=None, version=2):
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"""
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This method takes a service item from a saved service file (passed from the ServiceManager) and extracts the
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data actually required.
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:param service_item: The item to extract data from.
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:param path: Defaults to *None*. This is the service manager path for things which have their files saved
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with them or None when the saved service is lite and the original file paths need to be preserved.
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:param version: Format version of the data.
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"""
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log.debug('set_from_service called with path {path}'.format(path=path))
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header = service_item['serviceitem']['header']
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self.title = header['title']
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self.name = header['name']
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self.service_item_type = header['type']
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self.theme = header['theme']
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self.add_icon()
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self.raw_footer = header['footer']
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self.audit = header['audit']
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self.notes = header['notes']
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self.from_plugin = header['from_plugin']
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self.capabilities = header['capabilities']
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# Added later so may not be present in older services.
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self.search_string = header.get('search', '')
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self.data_string = header.get('data', '')
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self.xml_version = header.get('xml_version')
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self.start_time = header.get('start_time', 0)
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self.end_time = header.get('end_time', 0)
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self.media_length = header.get('media_length', 0)
|
|
self.auto_play_slides_once = header.get('auto_play_slides_once', False)
|
|
self.auto_play_slides_loop = header.get('auto_play_slides_loop', False)
|
|
self.timed_slide_interval = header.get('timed_slide_interval', 0)
|
|
self.will_auto_start = header.get('will_auto_start', False)
|
|
self.processor = header.get('processor', None)
|
|
self.has_original_file_path = True
|
|
self.metadata = header.get('item_meta_data', [])
|
|
self.sha256_file_hash = header.get('sha256_file_hash', None)
|
|
self.stored_filename = header.get('stored_filename', None)
|
|
if 'background_audio' in header and State().check_preconditions('media'):
|
|
self.background_audio = []
|
|
for file_path in header['background_audio']:
|
|
# In OpenLP 3.0 we switched to storing Path objects in JSON files
|
|
if version >= 3:
|
|
if path:
|
|
file_path = path / file_path
|
|
else:
|
|
# Handle service files prior to OpenLP 3.0
|
|
# Windows can handle both forward and backward slashes, so we use ntpath to get the basename
|
|
file_path = path / ntpath.basename(file_path)
|
|
self.background_audio.append(file_path)
|
|
self.theme_overwritten = header.get('theme_overwritten', False)
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
for slide in service_item['serviceitem']['data']:
|
|
self.add_from_text(slide['raw_slide'], slide['verseTag'])
|
|
self._create_slides()
|
|
elif self.service_item_type == ServiceItemType.Image:
|
|
if path:
|
|
self.has_original_file_path = False
|
|
for text_image in service_item['serviceitem']['data']:
|
|
text = None
|
|
file_hash = None
|
|
thumbnail = None
|
|
if version >= 3:
|
|
text = text_image['title']
|
|
file_hash = text_image['file_hash']
|
|
file_path = path / '{base}{ext}'.format(base=file_hash, ext=os.path.splitext(text)[1])
|
|
if text_image['image']:
|
|
thumbnail = AppLocation.get_data_path() / text_image['image']
|
|
# copy thumbnail from servicemanager path
|
|
copy(path / 'thumbnails' / os.path.basename(text_image['image']),
|
|
AppLocation.get_section_data_path(self.name) / 'thumbnails')
|
|
else:
|
|
text = text_image
|
|
org_file_path = path / text
|
|
# rename the extracted file so that it follows the sha256 based approach of openlp 3
|
|
self.sha256_file_hash = sha256_file_hash(org_file_path)
|
|
new_file = '{hash}{ext}'.format(hash=self.sha256_file_hash, ext=os.path.splitext(text)[1])
|
|
file_path = path / new_file
|
|
move(org_file_path, file_path)
|
|
# Check if (by chance) the thumbnails for this image is available on this machine
|
|
test_thumb = AppLocation.get_section_data_path(self.name) / 'thumbnails' / new_file
|
|
if test_thumb.exists():
|
|
thumbnail = test_thumb
|
|
self.add_from_image(file_path, text, thumbnail=thumbnail, file_hash=file_hash)
|
|
else:
|
|
for text_image in service_item['serviceitem']['data']:
|
|
file_hash = None
|
|
text = text_image['title']
|
|
thumbnail = None
|
|
if version >= 3:
|
|
file_path = text_image['path']
|
|
file_hash = text_image['file_hash']
|
|
if text_image['image']:
|
|
thumbnail = AppLocation.get_data_path() / text_image['image']
|
|
else:
|
|
file_path = Path(text_image['path'])
|
|
# Check if (by chance) the thumbnails for this image is available on this machine
|
|
file_hash = sha256_file_hash(file_path)
|
|
new_file = '{hash}{ext}'.format(hash=file_hash, ext=os.path.splitext(file_path)[1])
|
|
test_thumb = AppLocation.get_section_data_path(self.name) / 'thumbnails' / new_file
|
|
if test_thumb.exists():
|
|
thumbnail = test_thumb
|
|
self.add_from_image(file_path, text, thumbnail=thumbnail, file_hash=file_hash)
|
|
elif self.service_item_type == ServiceItemType.Command:
|
|
if version < 3:
|
|
# If this is an old servicefile with files included, we need to rename the bundled files to match
|
|
# the new sha256 based scheme
|
|
if path:
|
|
file_path = Path(path) / self.title
|
|
self.sha256_file_hash = sha256_file_hash(file_path)
|
|
new_file = path / '{hash}{ext}'.format(hash=self.sha256_file_hash,
|
|
ext=os.path.splitext(self.title)[1])
|
|
move(file_path, new_file)
|
|
else:
|
|
file_path = Path(service_item['serviceitem']['data'][0]['path']) / self.title
|
|
self.sha256_file_hash = sha256_file_hash(file_path)
|
|
# Loop over the slides
|
|
for text_image in service_item['serviceitem']['data']:
|
|
if not self.title:
|
|
self.title = text_image['title']
|
|
if self.is_capable(ItemCapabilities.IsOptical) or self.is_capable(ItemCapabilities.CanStream):
|
|
self.has_original_file_path = False
|
|
self.add_from_command(text_image['path'], text_image['title'], text_image['image'])
|
|
elif path:
|
|
self.has_original_file_path = False
|
|
# Copy any bundled thumbnails into the plugin thumbnail folder
|
|
if version >= 3 and os.path.exists(path / self.sha256_file_hash) and \
|
|
os.path.isdir(path / self.sha256_file_hash):
|
|
try:
|
|
copytree(path / self.sha256_file_hash,
|
|
AppLocation.get_section_data_path(self.name) / 'thumbnails' /
|
|
self.sha256_file_hash)
|
|
except FileExistsError:
|
|
# Files already exists, just skip
|
|
pass
|
|
if text_image['image'] in ['clapperboard', ':/media/slidecontroller_multimedia.png']:
|
|
image_path = UiIcons().clapperboard
|
|
elif version < 3:
|
|
# convert the thumbnail path to new sha256 based
|
|
new_file = '{hash}{ext}'.format(hash=self.sha256_file_hash,
|
|
ext=os.path.splitext(text_image['image'])[1])
|
|
image_path = AppLocation.get_section_data_path(self.name) / 'thumbnails' / \
|
|
self.sha256_file_hash / os.path.split(text_image['image'])[1]
|
|
else:
|
|
image_path = text_image['image']
|
|
self.add_from_command(path, text_image['title'], image_path, text_image.get('display_title', ''),
|
|
text_image.get('notes', ''), file_hash=self.sha256_file_hash)
|
|
else:
|
|
if text_image['image'] in ['clapperboard', ':/media/slidecontroller_multimedia.png']:
|
|
image_path = UiIcons().clapperboard
|
|
elif version < 3:
|
|
# convert the thumbnail path to new sha256 based
|
|
image_path = AppLocation.get_section_data_path(self.name) / 'thumbnails' / \
|
|
self.sha256_file_hash / os.path.split(text_image['image'])[1]
|
|
else:
|
|
image_path = text_image['image']
|
|
self.add_from_command(Path(text_image['path']), str(text_image['title']), image_path)
|
|
self._new_item()
|
|
|
|
def get_display_title(self):
|
|
"""
|
|
Returns the title of the service item.
|
|
"""
|
|
if self.is_text() or self.is_capable(ItemCapabilities.IsOptical) \
|
|
or self.is_capable(ItemCapabilities.CanEditTitle):
|
|
return self.title
|
|
else:
|
|
if len(self.slides) > 1:
|
|
return self.title
|
|
else:
|
|
return self.slides[0]['title']
|
|
|
|
def get_transition_delay(self):
|
|
"""
|
|
Returns a approximate time in seconds for how long it will take to switch slides
|
|
"""
|
|
delay = 1
|
|
if self.is_capable(ItemCapabilities.ProvidesOwnDisplay):
|
|
delay = 0.5
|
|
else:
|
|
theme = self.get_theme_data()
|
|
transition_speed = theme.display_slide_transition_speed
|
|
if theme.display_slide_transition is False or transition_speed == TransitionSpeed.Fast:
|
|
delay = 0.5
|
|
elif transition_speed == TransitionSpeed.Normal:
|
|
delay = 1
|
|
elif transition_speed == TransitionSpeed.Slow:
|
|
delay = 2
|
|
return delay
|
|
|
|
def merge(self, other):
|
|
"""
|
|
Updates the unique_identifier with the value from the original one
|
|
The unique_identifier is unique for a given service item but this allows one to replace an original version.
|
|
|
|
:param other: The service item to be merged with
|
|
"""
|
|
self.unique_identifier = other.unique_identifier
|
|
self.notes = other.notes
|
|
self.temporary_edit = other.temporary_edit
|
|
# Copy theme over if present.
|
|
if other.theme is not None:
|
|
self.theme = other.theme
|
|
self._new_item()
|
|
if self.is_capable(ItemCapabilities.HasBackgroundAudio):
|
|
log.debug(self.background_audio)
|
|
|
|
def __eq__(self, other):
|
|
"""
|
|
Confirms the service items are for the same instance
|
|
"""
|
|
if not other:
|
|
return False
|
|
return self.unique_identifier == other.unique_identifier
|
|
|
|
def __ne__(self, other):
|
|
"""
|
|
Confirms the service items are not for the same instance
|
|
"""
|
|
return self.unique_identifier != other.unique_identifier
|
|
|
|
def __hash__(self):
|
|
"""
|
|
Return the hash for the service item.
|
|
"""
|
|
return self.unique_identifier
|
|
|
|
def is_media(self):
|
|
"""
|
|
Confirms if the ServiceItem is media
|
|
"""
|
|
return ItemCapabilities.RequiresMedia in self.capabilities
|
|
|
|
def is_command(self):
|
|
"""
|
|
Confirms if the ServiceItem is a command
|
|
"""
|
|
return self.service_item_type == ServiceItemType.Command
|
|
|
|
def is_image(self):
|
|
"""
|
|
Confirms if the ServiceItem is an image
|
|
"""
|
|
return self.service_item_type == ServiceItemType.Image
|
|
|
|
def uses_file(self):
|
|
"""
|
|
Confirms if the ServiceItem uses a file
|
|
"""
|
|
return self.service_item_type == ServiceItemType.Image or \
|
|
(self.service_item_type == ServiceItemType.Command and not self.is_capable(ItemCapabilities.IsOptical)
|
|
and not self.is_capable(ItemCapabilities.CanStream))
|
|
|
|
def is_text(self):
|
|
"""
|
|
Confirms if the ServiceItem is text
|
|
"""
|
|
return self.service_item_type == ServiceItemType.Text
|
|
|
|
def set_media_length(self, length):
|
|
"""
|
|
Stores the media length of the item
|
|
|
|
:param length: The length of the media item
|
|
"""
|
|
self.media_length = length
|
|
if length > 0:
|
|
self.add_capability(ItemCapabilities.HasVariableStartTime)
|
|
|
|
def get_frames(self):
|
|
"""
|
|
Returns the frames for the ServiceItem
|
|
"""
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
return self.display_slides
|
|
else:
|
|
return self.slides
|
|
|
|
def get_rendered_frame(self, row, clean=False):
|
|
"""
|
|
Returns the correct frame for a given list and renders it if required.
|
|
|
|
:param row: The service item slide to be returned
|
|
:param clean: do I want HTML tags or not
|
|
"""
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
if clean:
|
|
return self.display_slides[row]['text']
|
|
else:
|
|
return self.rendered_slides[row]['text']
|
|
elif self.service_item_type == ServiceItemType.Image:
|
|
return self.slides[row]['path']
|
|
else:
|
|
return self.slides[row]['image']
|
|
|
|
def get_frame_title(self, row=0):
|
|
"""
|
|
Returns the title of the raw frame
|
|
"""
|
|
try:
|
|
return self.get_frames()[row]['title']
|
|
except IndexError:
|
|
return ''
|
|
|
|
def get_frame_path(self, row=0, frame=None):
|
|
"""
|
|
Returns the path of the raw frame
|
|
"""
|
|
if not frame:
|
|
try:
|
|
frame = self.slides[row]
|
|
except IndexError:
|
|
return ''
|
|
if self.is_image() or self.is_capable(ItemCapabilities.IsOptical):
|
|
path_from = frame['path']
|
|
elif self.is_command() and not self.has_original_file_path and self.sha256_file_hash:
|
|
path_from = os.path.join(frame['path'], self.stored_filename)
|
|
else:
|
|
path_from = os.path.join(frame['path'], frame['title'])
|
|
if isinstance(path_from, str):
|
|
# Handle service files prior to OpenLP 3.0
|
|
# Windows can handle both forward and backward slashes, so we use ntpath to get the basename
|
|
path_from = Path(path_from)
|
|
return path_from
|
|
|
|
def remove_frame(self, frame):
|
|
"""
|
|
Remove the specified frame from the item
|
|
"""
|
|
if frame in self.slides:
|
|
self.slides.remove(frame)
|
|
|
|
def get_media_time(self):
|
|
"""
|
|
Returns the start and finish time for a media item
|
|
"""
|
|
start = None
|
|
end = None
|
|
if self.start_time != 0:
|
|
time = str(datetime.timedelta(seconds=self.start_time))
|
|
start = translate('OpenLP.ServiceItem',
|
|
'<strong>Start</strong>: {start}').format(start=time)
|
|
if self.media_length != 0:
|
|
length = str(datetime.timedelta(seconds=self.media_length // 1000))
|
|
end = translate('OpenLP.ServiceItem', '<strong>Length</strong>: {length}').format(length=length)
|
|
|
|
if not start and not end:
|
|
return ''
|
|
elif start and not end:
|
|
return start
|
|
elif not start and end:
|
|
return end
|
|
else:
|
|
return '{start} <br>{end}'.format(start=start, end=end)
|
|
|
|
def update_theme(self, theme):
|
|
"""
|
|
updates the theme in the service item
|
|
|
|
:param theme: The new theme to be replaced in the service item
|
|
"""
|
|
self.theme_overwritten = (theme is None)
|
|
self.theme = theme
|
|
self._new_item()
|
|
|
|
def remove_invalid_frames(self, invalid_paths=None):
|
|
"""
|
|
Remove invalid frames, such as ones where the file no longer exists.
|
|
"""
|
|
if self.uses_file():
|
|
for frame in self.get_frames():
|
|
if self.get_frame_path(frame=frame) in invalid_paths:
|
|
self.remove_frame(frame)
|
|
|
|
def requires_media(self):
|
|
return self.is_capable(ItemCapabilities.HasBackgroundAudio) or \
|
|
self.is_capable(ItemCapabilities.HasBackgroundVideo) or \
|
|
self.is_capable(ItemCapabilities.HasBackgroundStream)
|
|
|
|
def missing_frames(self):
|
|
"""
|
|
Returns if there are any frames in the service item
|
|
"""
|
|
return not bool(self.slides)
|
|
|
|
def validate_item(self, suffixes=None):
|
|
"""
|
|
Validates a service item to make sure it is valid
|
|
|
|
:param set[str] suffixes: A set of valid suffixes
|
|
"""
|
|
self.is_valid = True
|
|
for slide in self.slides:
|
|
if self.is_image() and not os.path.exists(slide['path']):
|
|
self.is_valid = False
|
|
break
|
|
elif self.is_command():
|
|
if self.is_capable(ItemCapabilities.IsOptical) and State().check_preconditions('media'):
|
|
if not os.path.exists(slide['title']):
|
|
self.is_valid = False
|
|
break
|
|
elif self.is_capable(ItemCapabilities.CanStream):
|
|
(name, mrl, options) = parse_stream_path(slide['path'])
|
|
if not name or not mrl or not options:
|
|
self.is_valid = False
|
|
break
|
|
else:
|
|
if self.has_original_file_path:
|
|
file_name = Path(slide['path']) / slide['title']
|
|
else:
|
|
file_name = Path(slide['path']) / self.stored_filename
|
|
if not file_name.exists():
|
|
self.is_valid = False
|
|
break
|
|
if suffixes and not self.is_text():
|
|
file_suffix = "*.{suffx}".format(suffx=slide['title'].split('.')[-1])
|
|
if file_suffix.lower() not in suffixes:
|
|
self.is_valid = False
|
|
break
|
|
|
|
def get_thumbnail_path(self):
|
|
"""
|
|
Returns the thumbnail folder. Should only be used for items that support thumbnails.
|
|
"""
|
|
if self.is_capable(ItemCapabilities.HasThumbnails):
|
|
if self.is_command() and self.slides:
|
|
return os.path.dirname(self.slides[0]['image'])
|
|
elif self.is_image() and self.slides and 'thumbnail' in self.slides[0]:
|
|
return os.path.dirname(self.slides[0]['thumbnail'])
|
|
return None
|
|
|
|
def to_dict(self, active=False, item_no=0):
|
|
"""
|
|
Convert the service item into a dictionary
|
|
Images and thumbnails are put in dict as data uri strings.
|
|
|
|
:param boolean active: Do I filter list for only the active item
|
|
:param int item_no: the index of the active item
|
|
"""
|
|
data_dict = {
|
|
'title': self.title,
|
|
'name': self.name,
|
|
'type': str(self.service_item_type),
|
|
'theme': self.theme,
|
|
'footer': self.raw_footer,
|
|
'audit': self.audit,
|
|
'notes': self.notes,
|
|
'data': self.data_string or {},
|
|
'fromPlugin': self.from_plugin,
|
|
'capabilities': self.capabilities,
|
|
'backgroundAudio': [str(file_path) for file_path in self.background_audio],
|
|
'isThemeOverwritten': self.theme_overwritten,
|
|
'slides': []
|
|
}
|
|
for index, frame in enumerate(self.get_frames()):
|
|
if active and index is not item_no:
|
|
continue
|
|
else:
|
|
item = {
|
|
'tag': index + 1,
|
|
'title': self.title,
|
|
'selected': False
|
|
}
|
|
if self.is_text():
|
|
if frame['verse']:
|
|
item['tag'] = str(frame['verse'])
|
|
item['text'] = frame['text']
|
|
item['html'] = self.rendered_slides[index]['text']
|
|
item['chords'] = self.rendered_slides[index]['chords']
|
|
item['footer'] = self.rendered_slides[index]['footer']
|
|
elif self.is_image() and not frame.get('image', '') and \
|
|
Registry().get('settings_thread').value('api/thumbnails') and \
|
|
self.is_capable(ItemCapabilities.HasThumbnails):
|
|
thumbnail_path = frame['thumbnail']
|
|
if not thumbnail_path.exists():
|
|
create_thumb(Path(self.get_frame_path(index)), thumbnail_path, False)
|
|
item['img'] = image_to_data_uri(thumbnail_path)
|
|
item['text'] = str(frame['title'])
|
|
item['html'] = str(frame['title'])
|
|
else:
|
|
# presentations and other things
|
|
if self.is_capable(ItemCapabilities.HasDisplayTitle):
|
|
item['title'] = str(frame['display_title'])
|
|
if self.is_capable(ItemCapabilities.HasNotes):
|
|
item['slide_notes'] = str(frame['notes'])
|
|
if self.is_capable(ItemCapabilities.HasThumbnails) and \
|
|
Registry().get('settings_thread').value('api/thumbnails'):
|
|
# If the file is under our app directory tree send the portion after the match
|
|
data_path = str(AppLocation.get_data_path())
|
|
try:
|
|
relative_file = frame['image'].relative_to(data_path)
|
|
except ValueError:
|
|
log.warning('Service item "{title}" is missing a thumbnail or has an invalid thumbnail path'
|
|
.format(title=self.title))
|
|
else:
|
|
item['img'] = image_to_data_uri(AppLocation.get_data_path() / relative_file)
|
|
item['text'] = str(frame['title'])
|
|
item['html'] = str(frame['title'])
|
|
data_dict['slides'].append(item)
|
|
return data_dict
|