forked from openlp/openlp
673 lines
26 KiB
Python
673 lines
26 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2015 OpenLP Developers #
|
|
# --------------------------------------------------------------------------- #
|
|
# This program 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; version 2 of the License. #
|
|
# #
|
|
# This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 #
|
|
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
|
|
###############################################################################
|
|
"""
|
|
The :mod:`serviceitem` provides the service item functionality including the
|
|
type and capability of an item.
|
|
"""
|
|
|
|
import datetime
|
|
import html
|
|
import logging
|
|
import os
|
|
import uuid
|
|
import ntpath
|
|
|
|
from PyQt5 import QtGui
|
|
|
|
from openlp.core.common import RegistryProperties, Settings, translate, AppLocation, md5_hash
|
|
from openlp.core.lib import ImageSource, build_icon, clean_tags, expand_tags, create_thumb
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class ServiceItemType(object):
|
|
"""
|
|
Defines the type of service item
|
|
"""
|
|
Text = 1
|
|
Image = 2
|
|
Command = 3
|
|
|
|
|
|
class ItemCapabilities(object):
|
|
"""
|
|
Provides an enumeration of a service item's capabilities
|
|
|
|
``CanPreview``
|
|
The capability to allow the ServiceManager to add to the preview tab when making the previous item live.
|
|
|
|
``CanEdit``
|
|
The capability to allow the ServiceManager to allow the item to be edited
|
|
|
|
``CanMaintain``
|
|
The capability to allow the ServiceManager to allow the item to be reordered.
|
|
|
|
``RequiresMedia``
|
|
Determines is the service_item needs a Media Player
|
|
|
|
``CanLoop``
|
|
The capability to allow the SlideController to allow the loop processing.
|
|
|
|
``CanAppend``
|
|
The capability to allow the ServiceManager to add leaves to the
|
|
item
|
|
|
|
``NoLineBreaks``
|
|
The capability to remove lines breaks in the renderer
|
|
|
|
``OnLoadUpdate``
|
|
The capability to update MediaManager when a service Item is loaded.
|
|
|
|
``AddIfNewItem``
|
|
Not Used
|
|
|
|
``ProvidesOwnDisplay``
|
|
The capability to tell the SlideController the service Item has a different display.
|
|
|
|
``HasDetailedTitleDisplay``
|
|
Being Removed and decommissioned.
|
|
|
|
``HasVariableStartTime``
|
|
The capability to tell the ServiceManager that a change to start time is possible.
|
|
|
|
``CanSoftBreak``
|
|
The capability to tell the renderer that Soft Break is allowed
|
|
|
|
``CanWordSplit``
|
|
The capability to tell the renderer that it can split words is
|
|
allowed
|
|
|
|
``HasBackgroundAudio``
|
|
That a audio file is present with the text.
|
|
|
|
``CanAutoStartForLive``
|
|
The capability to ignore the do not play if display blank flag.
|
|
|
|
``CanEditTitle``
|
|
The capability to edit the title of the item
|
|
|
|
``IsOptical``
|
|
Determines is the service_item is based on an optical device
|
|
|
|
``HasDisplayTitle``
|
|
The item contains 'displaytitle' on every frame which should be
|
|
preferred over 'title' when displaying the item
|
|
|
|
``HasNotes``
|
|
The item contains 'notes'
|
|
|
|
``HasThumbnails``
|
|
The item has related thumbnails available
|
|
|
|
"""
|
|
CanPreview = 1
|
|
CanEdit = 2
|
|
CanMaintain = 3
|
|
RequiresMedia = 4
|
|
CanLoop = 5
|
|
CanAppend = 6
|
|
NoLineBreaks = 7
|
|
OnLoadUpdate = 8
|
|
AddIfNewItem = 9
|
|
ProvidesOwnDisplay = 10
|
|
# HasDetailedTitleDisplay = 11
|
|
HasVariableStartTime = 12
|
|
CanSoftBreak = 13
|
|
CanWordSplit = 14
|
|
HasBackgroundAudio = 15
|
|
CanAutoStartForLive = 16
|
|
CanEditTitle = 17
|
|
IsOptical = 18
|
|
HasDisplayTitle = 19
|
|
HasNotes = 20
|
|
HasThumbnails = 21
|
|
|
|
|
|
class ServiceItem(RegistryProperties):
|
|
"""
|
|
The service item is a base class for the plugins to use to interact with
|
|
the service manager, the slide controller, and the projection screen
|
|
compositor.
|
|
"""
|
|
log.info('Service Item created')
|
|
|
|
def __init__(self, plugin=None):
|
|
"""
|
|
Set up the service item.
|
|
|
|
:param plugin: The plugin that this service item belongs to.
|
|
"""
|
|
if plugin:
|
|
self.name = plugin.name
|
|
self.title = ''
|
|
self.processor = None
|
|
self.audit = ''
|
|
self.items = []
|
|
self.iconic_representation = None
|
|
self.raw_footer = []
|
|
self.foot_text = ''
|
|
self.theme = None
|
|
self.service_item_type = None
|
|
self._raw_frames = []
|
|
self._display_frames = []
|
|
self.unique_identifier = 0
|
|
self.notes = ''
|
|
self.from_plugin = False
|
|
self.capabilities = []
|
|
self.is_valid = True
|
|
self.icon = None
|
|
self.theme_data = None
|
|
self.main = None
|
|
self.footer = None
|
|
self.bg_image_bytes = None
|
|
self.search_string = ''
|
|
self.data_string = ''
|
|
self.edit_id = None
|
|
self.xml_version = None
|
|
self.start_time = 0
|
|
self.end_time = 0
|
|
self.media_length = 0
|
|
self.from_service = False
|
|
self.image_border = '#000000'
|
|
self.background_audio = []
|
|
self.theme_overwritten = False
|
|
self.temporary_edit = False
|
|
self.auto_play_slides_once = False
|
|
self.auto_play_slides_loop = False
|
|
self.timed_slide_interval = 0
|
|
self.will_auto_start = False
|
|
self.has_original_files = True
|
|
self._new_item()
|
|
|
|
def _new_item(self):
|
|
"""
|
|
Method to set the internal id of the item. This is used to compare service items to see if they are the same.
|
|
"""
|
|
self.unique_identifier = str(uuid.uuid1())
|
|
self.validate_item()
|
|
|
|
def add_capability(self, capability):
|
|
"""
|
|
Add an ItemCapability to a ServiceItem
|
|
|
|
:param capability: The capability to add
|
|
"""
|
|
self.capabilities.append(capability)
|
|
|
|
def is_capable(self, capability):
|
|
"""
|
|
Tell the caller if a ServiceItem has a capability
|
|
|
|
:param capability: The capability to test for
|
|
"""
|
|
return capability in self.capabilities
|
|
|
|
def add_icon(self, icon):
|
|
"""
|
|
Add an icon to the service item. This is used when displaying the service item in the service manager.
|
|
|
|
:param icon: A string to an icon in the resources or on disk.
|
|
"""
|
|
self.icon = icon
|
|
self.iconic_representation = build_icon(icon)
|
|
|
|
def render(self, provides_own_theme_data=False):
|
|
"""
|
|
The render method is what generates the frames for the screen and obtains the display information from the
|
|
renderer. At this point all slides are built for the given display size.
|
|
|
|
:param provides_own_theme_data: This switch disables the usage of the item's theme. However, this is
|
|
disabled by default. If this is used, it has to be taken care, that
|
|
the renderer knows the correct theme data. However, this is needed
|
|
for the theme manager.
|
|
"""
|
|
log.debug('Render called')
|
|
self._display_frames = []
|
|
self.bg_image_bytes = None
|
|
if not provides_own_theme_data:
|
|
self.renderer.set_item_theme(self.theme)
|
|
self.theme_data, self.main, self.footer = self.renderer.pre_render()
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
log.debug('Formatting slides: %s' % self.title)
|
|
# Save rendered pages to this dict. In the case that a slide is used twice we can use the pages saved to
|
|
# the dict instead of rendering them again.
|
|
previous_pages = {}
|
|
for slide in self._raw_frames:
|
|
verse_tag = slide['verseTag']
|
|
if verse_tag in previous_pages and previous_pages[verse_tag][0] == slide['raw_slide']:
|
|
pages = previous_pages[verse_tag][1]
|
|
else:
|
|
pages = self.renderer.format_slide(slide['raw_slide'], self)
|
|
previous_pages[verse_tag] = (slide['raw_slide'], pages)
|
|
for page in pages:
|
|
page = page.replace('<br>', '{br}')
|
|
html_data = expand_tags(html.escape(page.rstrip()))
|
|
self._display_frames.append({
|
|
'title': clean_tags(page),
|
|
'text': clean_tags(page.rstrip()),
|
|
'html': html_data.replace('&nbsp;', ' '),
|
|
'verseTag': verse_tag
|
|
})
|
|
elif self.service_item_type == ServiceItemType.Image or self.service_item_type == ServiceItemType.Command:
|
|
pass
|
|
else:
|
|
log.error('Invalid value renderer: %s' % self.service_item_type)
|
|
self.title = clean_tags(self.title)
|
|
# The footer should never be None, but to be compatible with a few
|
|
# nightly builds between 1.9.4 and 1.9.5, we have to correct this to
|
|
# avoid tracebacks.
|
|
if self.raw_footer is None:
|
|
self.raw_footer = []
|
|
self.foot_text = '<br>'.join([_f for _f in self.raw_footer if _f])
|
|
|
|
def add_from_image(self, path, title, background=None, thumbnail=None):
|
|
"""
|
|
Add an image slide to the service item.
|
|
|
|
:param path: The directory in which the image file is located.
|
|
:param title: A title for the slide in the service item.
|
|
:param background:
|
|
:param thumbnail: Optional alternative thumbnail, used for remote thumbnails.
|
|
"""
|
|
if background:
|
|
self.image_border = background
|
|
self.service_item_type = ServiceItemType.Image
|
|
if not thumbnail:
|
|
self._raw_frames.append({'title': title, 'path': path})
|
|
else:
|
|
self._raw_frames.append({'title': title, 'path': path, 'image': thumbnail})
|
|
self.image_manager.add_image(path, ImageSource.ImagePlugin, self.image_border)
|
|
self._new_item()
|
|
|
|
def add_from_text(self, raw_slide, verse_tag=None):
|
|
"""
|
|
Add a text slide to the service item.
|
|
|
|
:param raw_slide: The raw text of the slide.
|
|
:param verse_tag:
|
|
"""
|
|
if verse_tag:
|
|
verse_tag = verse_tag.upper()
|
|
self.service_item_type = ServiceItemType.Text
|
|
title = raw_slide[:30].split('\n')[0]
|
|
self._raw_frames.append({'title': title, 'raw_slide': raw_slide, 'verseTag': verse_tag})
|
|
self._new_item()
|
|
|
|
def add_from_command(self, path, file_name, image, display_title=None, notes=None):
|
|
"""
|
|
Add a slide from a command.
|
|
|
|
:param path: The title of the slide in the service item.
|
|
:param file_name: The title of the slide in the service item.
|
|
:param image: The command of/for the slide.
|
|
:param display_title: Title to show in gui/webinterface, optional.
|
|
:param notes: Notes to show in the webinteface, optional.
|
|
"""
|
|
self.service_item_type = ServiceItemType.Command
|
|
# If the item should have a display title but this frame doesn't have one, we make one up
|
|
if self.is_capable(ItemCapabilities.HasDisplayTitle) and not display_title:
|
|
display_title = translate('OpenLP.ServiceItem', '[slide %d]') % (len(self._raw_frames) + 1)
|
|
# Update image path to match servicemanager location if file was loaded from service
|
|
if image and not self.has_original_files and self.name == 'presentations':
|
|
file_location = os.path.join(path, file_name)
|
|
file_location_hash = md5_hash(file_location.encode('utf-8'))
|
|
image = os.path.join(AppLocation.get_section_data_path(self.name), 'thumbnails',
|
|
file_location_hash, ntpath.basename(image))
|
|
self._raw_frames.append({'title': file_name, 'image': image, 'path': path,
|
|
'display_title': display_title, 'notes': notes})
|
|
self._new_item()
|
|
|
|
def get_service_repr(self, lite_save):
|
|
"""
|
|
This method returns some text which can be saved into the service file to represent this item.
|
|
"""
|
|
service_header = {
|
|
'name': self.name,
|
|
'plugin': self.name,
|
|
'theme': self.theme,
|
|
'title': self.title,
|
|
'icon': self.icon,
|
|
'footer': self.raw_footer,
|
|
'type': self.service_item_type,
|
|
'audit': self.audit,
|
|
'notes': self.notes,
|
|
'from_plugin': self.from_plugin,
|
|
'capabilities': self.capabilities,
|
|
'search': self.search_string,
|
|
'data': self.data_string,
|
|
'xml_version': self.xml_version,
|
|
'auto_play_slides_once': self.auto_play_slides_once,
|
|
'auto_play_slides_loop': self.auto_play_slides_loop,
|
|
'timed_slide_interval': self.timed_slide_interval,
|
|
'start_time': self.start_time,
|
|
'end_time': self.end_time,
|
|
'media_length': self.media_length,
|
|
'background_audio': self.background_audio,
|
|
'theme_overwritten': self.theme_overwritten,
|
|
'will_auto_start': self.will_auto_start,
|
|
'processor': self.processor
|
|
}
|
|
service_data = []
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
service_data = [slide for slide in self._raw_frames]
|
|
elif self.service_item_type == ServiceItemType.Image:
|
|
if lite_save:
|
|
for slide in self._raw_frames:
|
|
service_data.append({'title': slide['title'], 'path': slide['path']})
|
|
else:
|
|
service_data = [slide['title'] for slide in self._raw_frames]
|
|
elif self.service_item_type == ServiceItemType.Command:
|
|
for slide in self._raw_frames:
|
|
service_data.append({'title': slide['title'], 'image': slide['image'], 'path': slide['path'],
|
|
'display_title': slide['display_title'], 'notes': slide['notes']})
|
|
return {'header': service_header, 'data': service_data}
|
|
|
|
def set_from_service(self, service_item, path=None):
|
|
"""
|
|
This method takes a service item from a saved service file (passed from the ServiceManager) and extracts the
|
|
data actually required.
|
|
|
|
:param service_item: The item to extract data from.
|
|
:param path: Defaults to *None*. This is the service manager path for things which have their files saved
|
|
with them or None when the saved service is lite and the original file paths need to be preserved.
|
|
"""
|
|
log.debug('set_from_service called with path %s' % path)
|
|
header = service_item['serviceitem']['header']
|
|
self.title = header['title']
|
|
self.name = header['name']
|
|
self.service_item_type = header['type']
|
|
self.theme = header['theme']
|
|
self.add_icon(header['icon'])
|
|
self.raw_footer = header['footer']
|
|
self.audit = header['audit']
|
|
self.notes = header['notes']
|
|
self.from_plugin = header['from_plugin']
|
|
self.capabilities = header['capabilities']
|
|
# Added later so may not be present in older services.
|
|
self.search_string = header.get('search', '')
|
|
self.data_string = header.get('data', '')
|
|
self.xml_version = header.get('xml_version')
|
|
self.start_time = header.get('start_time', 0)
|
|
self.end_time = header.get('end_time', 0)
|
|
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_files = True
|
|
if 'background_audio' in header:
|
|
self.background_audio = []
|
|
for filename in header['background_audio']:
|
|
# Give them real file paths.
|
|
filepath = filename
|
|
if path:
|
|
# Windows can handle both forward and backward slashes, so we use ntpath to get the basename
|
|
filepath = os.path.join(path, ntpath.basename(filename))
|
|
self.background_audio.append(filepath)
|
|
self.theme_overwritten = header.get('theme_overwritten', False)
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
for slide in service_item['serviceitem']['data']:
|
|
self._raw_frames.append(slide)
|
|
elif self.service_item_type == ServiceItemType.Image:
|
|
settings_section = service_item['serviceitem']['header']['name']
|
|
background = QtGui.QColor(Settings().value(settings_section + '/background color'))
|
|
if path:
|
|
self.has_original_files = False
|
|
for text_image in service_item['serviceitem']['data']:
|
|
filename = os.path.join(path, text_image)
|
|
self.add_from_image(filename, text_image, background)
|
|
else:
|
|
for text_image in service_item['serviceitem']['data']:
|
|
self.add_from_image(text_image['path'], text_image['title'], background)
|
|
elif self.service_item_type == ServiceItemType.Command:
|
|
for text_image in service_item['serviceitem']['data']:
|
|
if not self.title:
|
|
self.title = text_image['title']
|
|
if self.is_capable(ItemCapabilities.IsOptical):
|
|
self.has_original_files = False
|
|
self.add_from_command(text_image['path'], text_image['title'], text_image['image'])
|
|
elif path:
|
|
self.has_original_files = False
|
|
self.add_from_command(path, text_image['title'], text_image['image'],
|
|
text_image.get('display_title', ''), text_image.get('notes', ''))
|
|
else:
|
|
self.add_from_command(text_image['path'], text_image['title'], text_image['image'])
|
|
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._raw_frames) > 1:
|
|
return self.title
|
|
else:
|
|
return self._raw_frames[0]['title']
|
|
|
|
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()
|
|
self.render()
|
|
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))
|
|
|
|
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_frames
|
|
else:
|
|
return self._raw_frames
|
|
|
|
def get_rendered_frame(self, row):
|
|
"""
|
|
Returns the correct frame for a given list and renders it if required.
|
|
|
|
:param row: The service item slide to be returned
|
|
"""
|
|
if self.service_item_type == ServiceItemType.Text:
|
|
return self._display_frames[row]['html'].split('\n')[0]
|
|
elif self.service_item_type == ServiceItemType.Image:
|
|
return self._raw_frames[row]['path']
|
|
else:
|
|
return self._raw_frames[row]['image']
|
|
|
|
def get_frame_title(self, row=0):
|
|
"""
|
|
Returns the title of the raw frame
|
|
"""
|
|
try:
|
|
return self._raw_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._raw_frames[row]
|
|
except IndexError:
|
|
return ''
|
|
if self.is_image() or self.is_capable(ItemCapabilities.IsOptical):
|
|
path_from = frame['path']
|
|
else:
|
|
path_from = os.path.join(frame['path'], frame['title'])
|
|
return path_from
|
|
|
|
def remove_frame(self, frame):
|
|
"""
|
|
Remove the specified frame from the item
|
|
"""
|
|
if frame in self._raw_frames:
|
|
self._raw_frames.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:
|
|
start = translate('OpenLP.ServiceItem', '<strong>Start</strong>: %s') % \
|
|
str(datetime.timedelta(seconds=self.start_time))
|
|
if self.media_length != 0:
|
|
end = translate('OpenLP.ServiceItem', '<strong>Length</strong>: %s') % \
|
|
str(datetime.timedelta(seconds=self.media_length))
|
|
if not start and not end:
|
|
return ''
|
|
elif start and not end:
|
|
return start
|
|
elif not start and end:
|
|
return end
|
|
else:
|
|
return '%s <br>%s' % (start, 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()
|
|
self.render()
|
|
|
|
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 missing_frames(self):
|
|
"""
|
|
Returns if there are any frames in the service item
|
|
"""
|
|
return not bool(self._raw_frames)
|
|
|
|
def validate_item(self, suffix_list=None):
|
|
"""
|
|
Validates a service item to make sure it is valid
|
|
"""
|
|
self.is_valid = True
|
|
for frame in self._raw_frames:
|
|
if self.is_image() and not os.path.exists(frame['path']):
|
|
self.is_valid = False
|
|
break
|
|
elif self.is_command():
|
|
if self.is_capable(ItemCapabilities.IsOptical):
|
|
if not os.path.exists(frame['title']):
|
|
self.is_valid = False
|
|
break
|
|
else:
|
|
file_name = os.path.join(frame['path'], frame['title'])
|
|
if not os.path.exists(file_name):
|
|
self.is_valid = False
|
|
break
|
|
if suffix_list and not self.is_text():
|
|
file_suffix = frame['title'].split('.')[-1]
|
|
if file_suffix.lower() not in suffix_list:
|
|
self.is_valid = False
|
|
break
|