forked from sugarlabs/get-books-activity
/
GetIABooksActivity.py
1226 lines (1044 loc) · 48.3 KB
/
GetIABooksActivity.py
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#! /usr/bin/env python
# Copyright (C) 2009 James D. Simmons
# Copyright (C) 2009 Sayamindu Dasgupta <sayamindu@laptop.org>
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import logging
from pprint import pformat
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkPixbuf
from gi.repository import GObject
from gi.repository import Pango
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import StopButton
from sugar3.graphics import style
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.toggletoolbutton import ToggleToolButton
from sugar3.graphics.toolcombobox import ToolComboBox
from sugar3.graphics.combobox import ComboBox
from sugar3.graphics import iconentry
from sugar3 import profile
from sugar3.activity import activity
from sugar3.activity.widgets import ToolbarButton
from sugar3.bundle.activitybundle import ActivityBundle
from sugar3.datastore import datastore
from sugar3.graphics.alert import NotifyAlert
from sugar3.graphics.alert import Alert
from sugar3.graphics.icon import Icon
from gettext import gettext as _
try:
from sugar3.activity.activity import get_bundle, launch_bundle
_HAS_BUNDLE_LAUNCHER = True
except ImportError:
_HAS_BUNDLE_LAUNCHER = False
import dbus
import ConfigParser
import base64
import urllib2
import socket
from listview import ListView
import opds
import languagenames
import devicemanager
_MIMETYPES = {'PDF': u'application/pdf', 'PDF BW': u'application/pdf-bw',
'EPUB': u'application/epub+zip', 'DJVU': u'image/x.djvu'}
_SOURCES = {}
_SOURCES_CONFIG = {}
READ_STREAM_SERVICE = 'read-activity-http'
# directory exists if powerd is running. create a file here,
# named after our pid, to inhibit suspend.
POWERD_INHIBIT_DIR = '/var/run/powerd-inhibit-suspend'
class GetIABooksActivity(activity.Activity):
def __init__(self, handle):
"The entry point to the Activity"
activity.Activity.__init__(self, handle, False)
self.max_participants = 1
self._sequence = 0
self.selected_book = None
self.queryresults = None
self._getter = None
self.show_images = True
self.languages = {}
self._lang_code_handler = languagenames.LanguageNames()
self.catalogs_configuration = {}
self.catalog_history = []
if os.path.exists('/etc/get-books.cfg'):
self._read_configuration('/etc/get-books.cfg')
else:
self._read_configuration()
toolbar_box = ToolbarBox()
activity_button = ToolButton()
color = profile.get_color()
bundle = ActivityBundle(activity.get_bundle_path())
icon = Icon(file=bundle.get_icon(), xo_color=color)
activity_button.set_icon_widget(icon)
activity_button.show()
toolbar_box.toolbar.insert(activity_button, 0)
self._add_search_controls(toolbar_box.toolbar)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
toolbar_box.toolbar.insert(StopButton(self), -1)
self.set_toolbar_box(toolbar_box)
toolbar_box.show_all()
self._books_toolbar = toolbar_box.toolbar
self._create_controls()
self.using_powerd = os.access(POWERD_INHIBIT_DIR, os.W_OK)
self.__book_downloader = self.__image_downloader = None
def get_path(self):
self._sequence += 1
return os.path.join(self.get_activity_root(),
'instance', '%03d.tmp' % self._sequence)
def _inhibit_suspend(self):
if self.using_powerd:
fd = open(POWERD_INHIBIT_DIR + "/%u" % os.getpid(), 'w')
logging.error("inhibit_suspend file is %s", (POWERD_INHIBIT_DIR \
+ "/%u" % os.getpid()))
fd.close()
return True
return False
def _allow_suspend(self):
if self.using_powerd:
if os.path.exists(POWERD_INHIBIT_DIR + "/%u" % os.getpid()):
os.unlink(POWERD_INHIBIT_DIR + "/%u" % os.getpid())
logging.error("allow_suspend unlinking %s", (POWERD_INHIBIT_DIR \
+ "/%u" % os.getpid()))
return True
return False
def _read_configuration(self, file_name='get-books.cfg'):
logging.error('Reading configuration from file %s', file_name)
config = ConfigParser.ConfigParser()
config.readfp(open(file_name))
if config.has_option('GetBooks', 'show_images'):
self.show_images = config.getboolean('GetBooks', 'show_images')
self.languages = {}
if config.has_option('GetBooks', 'languages'):
languages_param = config.get('GetBooks', 'languages')
for language in languages_param.split(','):
lang_code = language.strip()
if len(lang_code) > 0:
self.languages[lang_code] = \
self._lang_code_handler.get_full_language_name(lang_code)
for section in config.sections():
if section != 'GetBooks' and not section.startswith('Catalogs'):
name = config.get(section, 'name')
_SOURCES[section] = name
repo_config = {}
repo_config['query_uri'] = config.get(section, 'query_uri')
repo_config['opds_cover'] = config.get(section, 'opds_cover')
if config.has_option(section, 'summary_field'):
repo_config['summary_field'] = \
config.get(section, 'summary_field')
else:
repo_config['summary_field'] = None
if config.has_option(section, 'blacklist'):
blacklist = config.get(section, 'blacklist')
repo_config['blacklist'] = blacklist.split(',')
# TODO strip?
else:
repo_config['blacklist'] = []
_SOURCES_CONFIG[section] = repo_config
logging.error('_SOURCES %s', pformat(_SOURCES))
logging.error('_SOURCES_CONFIG %s', pformat(_SOURCES_CONFIG))
for section in config.sections():
if section.startswith('Catalogs'):
catalog_source = section.split('_')[1]
if not catalog_source in _SOURCES_CONFIG:
logging.error('There are not a source for the catalog ' +
'section %s', section)
break
source_config = _SOURCES_CONFIG[catalog_source]
opds_cover = source_config['opds_cover']
for catalog in config.options(section):
catalog_config = {}
catalog_config['query_uri'] = config.get(section, catalog)
catalog_config['opds_cover'] = opds_cover
catalog_config['source'] = catalog_source
catalog_config['name'] = catalog
catalog_config['summary_field'] = \
source_config['summary_field']
self.catalogs_configuration[catalog] = catalog_config
self.source = _SOURCES_CONFIG.keys()[0]
self.filter_catalogs_by_source()
logging.error('languages %s', pformat(self.languages))
logging.error('catalogs %s', pformat(self.catalogs))
def _add_search_controls(self, toolbar):
book_search_item = Gtk.ToolItem()
toolbar.search_entry = iconentry.IconEntry()
toolbar.search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
'system-search')
toolbar.search_entry.add_clear_button()
toolbar.search_entry.connect('activate',
self.__search_entry_activate_cb)
width = int(Gdk.Screen.width() / 4)
toolbar.search_entry.set_size_request(width, -1)
book_search_item.add(toolbar.search_entry)
toolbar.search_entry.show()
toolbar.insert(book_search_item, -1)
book_search_item.show()
toolbar.source_combo = ComboBox()
toolbar.source_combo.props.sensitive = True
toolbar.source_changed_cb_id = \
toolbar.source_combo.connect('changed', self.__source_changed_cb)
combotool = ToolComboBox(toolbar.source_combo)
toolbar.insert(combotool, -1)
combotool.show()
self.bt_catalogs = ToggleToolButton('books')
self.bt_catalogs.set_tooltip(_('Catalogs'))
toolbar.insert(self.bt_catalogs, -1)
self.bt_catalogs.connect('toggled', self.__toggle_cats_cb)
if len(self.catalogs) > 0:
self.bt_catalogs.show()
if len(self.languages) > 0:
toolbar.config_toolbarbutton = ToolbarButton()
toolbar.config_toolbarbutton.props.icon_name = 'preferences-system'
toolbar.config_toolbarbox = Gtk.Toolbar()
toolbar.config_toolbarbutton.props.page = toolbar.config_toolbarbox
toolbar.language_combo = ComboBox()
toolbar.language_combo.props.sensitive = True
combotool = ToolComboBox(toolbar.language_combo)
toolbar.language_combo.append_item('all', _('Any language'))
for key in self.languages.keys():
toolbar.language_combo.append_item(key, self.languages[key])
toolbar.language_combo.set_active(0)
toolbar.config_toolbarbutton.props.page.insert(combotool, -1)
toolbar.insert(toolbar.config_toolbarbutton, -1)
toolbar.config_toolbarbutton.show()
combotool.show()
toolbar.language_changed_cb_id = \
toolbar.language_combo.connect('changed',
self.__language_changed_cb)
self._device_manager = devicemanager.DeviceManager()
self._refresh_sources(toolbar)
self._device_manager.connect('device-changed',
self.__device_changed_cb)
toolbar.search_entry.grab_focus()
return toolbar
def __bt_catalogs_clicked_cb(self, button):
palette = button.get_palette()
palette.popup(immediate=True, state=palette.SECONDARY)
def __switch_catalog_cb(self, catalog_name):
catalog_config = self.catalogs[catalog_name.decode('utf-8')]
self.__activate_catalog_cb(None, catalog_config)
def __activate_catalog_cb(self, menu, catalog_config):
query_language = self.get_query_language()
self.enable_button(False)
self.clear_downloaded_bytes()
self.book_selected = False
self.listview.handler_block(self.selection_cb_id)
self.listview.clear()
self.listview.handler_unblock(self.selection_cb_id)
logging.error('SOURCE %s', catalog_config['source'])
self._books_toolbar.search_entry.props.text = ''
self.source = catalog_config['source']
position = _SOURCES_CONFIG[self.source]['position']
self._books_toolbar.source_combo.set_active(position)
if self.queryresults is not None:
self.queryresults.cancel()
self.queryresults = None
self.queryresults = opds.RemoteQueryResult(catalog_config,
'', query_language)
self.show_message(_('Performing lookup, please wait...'))
# README: I think we should create some global variables for
# each cursor that we are using to avoid the creation of them
# every time that we want to change it
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.WATCH))
self.queryresults.connect('updated', self.__query_updated_cb)
def update_format_combo(self, links):
self.format_combo.handler_block(self.__format_changed_cb_id)
self.format_combo.remove_all()
for key in _MIMETYPES.keys():
if _MIMETYPES[key] in links.keys():
self.format_combo.append_item(_MIMETYPES[key], key)
self.format_combo.set_active(0)
self.format_combo.handler_unblock(self.__format_changed_cb_id)
def get_search_terms(self):
return self._books_toolbar.search_entry.props.text
def __device_changed_cb(self, mgr):
logging.debug('Device was added/removed')
self._refresh_sources(self._books_toolbar)
def _refresh_sources(self, toolbar):
toolbar.source_combo.handler_block(toolbar.source_changed_cb_id)
#TODO: Do not blindly clear this
toolbar.source_combo.remove_all()
position = 0
for key in _SOURCES.keys():
toolbar.source_combo.append_item(_SOURCES[key], key,
icon_name='internet-icon')
_SOURCES_CONFIG[key]['position'] = position
position = position + 1
# Add menu for local books
if len(_SOURCES) > 0:
toolbar.source_combo.append_separator()
toolbar.source_combo.append_item('local_books', _('My books'),
icon_name='activity-journal')
devices = self._device_manager.get_devices()
first_device = True
for device_name in devices:
device = devices[device_name]
logging.debug('device %s', device)
if device['removable']:
mount_point = device['mount_path']
label = device['label']
if label == '' or label is None:
capacity = device['size']
label = (_('%.2f GB Volume') % (capacity / (1024.0 ** 3)))
logging.debug('Adding device %s', (label))
if first_device:
toolbar.source_combo.append_separator()
first_device = False
toolbar.source_combo.append_item(mount_point, label)
toolbar.source_combo.set_active(0)
toolbar.source_combo.handler_unblock(toolbar.source_changed_cb_id)
def __format_changed_cb(self, combo):
self.show_book_data(False)
def __language_changed_cb(self, combo):
self.find_books(self.get_search_terms())
def __search_entry_activate_cb(self, entry):
self.find_books(self.get_search_terms())
def __get_book_cb(self, button):
self.get_book()
def enable_button(self, state):
self._download.props.sensitive = state
self.format_combo.props.sensitive = state
def move_up_catalog(self, treeview):
len_cat = len(self.catalog_history)
if len_cat == 1:
return
else:
# move a level up the tree
self.catalog_listview.handler_block(self._catalog_changed_id)
self.catalog_history.pop()
len_cat -= 1
if(len_cat == 1):
title = self.catalog_history[0]['title']
self.bt_move_up_catalog.set_label(title)
self.bt_move_up_catalog.hide_image()
else:
title = self.catalog_history[len_cat - 1]['title']
self.bt_move_up_catalog.set_label(title)
self.bt_move_up_catalog.show_image()
self.catalogs = self.catalog_history[len_cat - 1]['catalogs']
if len(self.catalogs) > 0:
self.path_iter = {}
self.categories = []
for key in self.catalogs.keys():
self.categories.append({'text': key, 'dentro': []})
self.treemodel.clear()
for p in self.categories:
self.path_iter[p['text']] = \
self.treemodel.append([p['text']])
self.catalog_listview.handler_unblock(self._catalog_changed_id)
def move_down_catalog(self, treeview, path, column):
treestore, coldex = \
self.catalog_listview.get_selection().get_selected()
len_cat = len(self.catalog_history)
if len_cat > 0 and self.catalog_history[len_cat - 1]['catalogs'] == []:
self.catalog_history.pop()
len_cat = len(self.catalog_history)
# README: when the Activity starts by default there is nothing
# selected and this signal is called, so we have to avoid this
# 'append' because it fails
if coldex is not None:
self.catalog_history.append(
{'title': treestore.get_value(coldex, 0), 'catalogs': []})
self.__switch_catalog_cb(treestore.get_value(coldex, 0))
def _sort_logfile(self, treemodel, itera, iterb):
a = treemodel.get_value(itera, 0)
b = treemodel.get_value(iterb, 0)
if a == None or b == None:
return 0
a = a.lower()
b = b.lower()
if a > b:
return 1
if a < b:
return -1
return 0
def __toggle_cats_cb(self, button):
if button.get_active():
self.tree_scroller.show_all()
self.separa.show()
else:
self.tree_scroller.hide()
self.separa.hide()
def _create_controls(self):
self._download_content_length = 0
self._download_content_type = None
self.msg_label = Gtk.Label()
self.list_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
# Catalogs treeview
self.catalog_listview = Gtk.TreeView()
self.catalog_listview.headers_clickble = True
self.catalog_listview.hover_expand = True
self.catalog_listview.rules_hint = True
self._catalog_changed_id = self.catalog_listview.connect(
'row-activated', self.move_down_catalog)
self.catalog_listview.set_activate_on_single_click(True)
self.catalog_listview.set_enable_search(False)
self.treemodel = Gtk.ListStore(str)
self.treemodel.set_sort_column_id(0, Gtk.SortType.ASCENDING)
self.catalog_listview.set_model(self.treemodel)
renderer = Gtk.CellRendererText()
renderer.set_property('wrap-mode', Pango.WrapMode.WORD)
self.treecol = Gtk.TreeViewColumn(_('Catalogs'), renderer, text=0)
self.treecol.set_property('clickable', True)
self.treecol.connect('clicked', self.move_up_catalog)
self.catalog_listview.append_column(self.treecol)
self.bt_move_up_catalog = ButtonWithImage(_('Catalogs'))
self.bt_move_up_catalog.hide_image()
self.treecol.set_widget(self.bt_move_up_catalog)
self.load_source_catalogs()
self.tree_scroller = Gtk.ScrolledWindow(hadjustment=None,
vadjustment=None)
self.tree_scroller.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
self.tree_scroller.add(self.catalog_listview)
self.list_box.pack_start(self.tree_scroller, expand=False,
fill=False, padding=0)
self.separa = Gtk.VSeparator()
self.list_box.pack_start(self.separa, expand=False,
fill=False, padding=0)
# books listview
self.listview = ListView(self._lang_code_handler)
self.selection_cb_id = self.listview.connect('selection-changed',
self.selection_cb)
self.listview.set_enable_search(False)
self.list_scroller = Gtk.ScrolledWindow(hadjustment=None,
vadjustment=None)
self.list_scroller.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
vadjustment = self.list_scroller.get_vadjustment()
vadjustment.connect('value-changed',
self.__vadjustment_value_changed_cb)
self.list_scroller.add(self.listview)
self.list_box.pack_start(self.list_scroller, expand=True,
fill=True, padding=0)
self.scrolled = Gtk.ScrolledWindow()
self.scrolled.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
self.scrolled.props.shadow_type = Gtk.ShadowType.NONE
self.textview = Gtk.TextView()
self.textview.set_editable(False)
self.textview.set_cursor_visible(False)
self.textview.set_wrap_mode(Gtk.WrapMode.WORD)
self.textview.set_justification(Gtk.Justification.LEFT)
self.textview.set_left_margin(20)
self.textview.set_right_margin(20)
self.scrolled.add(self.textview)
self.list_box.show_all()
self.separa.hide()
self.tree_scroller.hide()
vbox_download = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
hbox_format = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
format_label = Gtk.Label(label=_('Format:'))
self.format_combo = ComboBox()
for key in _MIMETYPES.keys():
self.format_combo.append_item(_MIMETYPES[key], key)
self.format_combo.set_active(0)
self.format_combo.props.sensitive = False
self.__format_changed_cb_id = \
self.format_combo.connect('changed', self.__format_changed_cb)
hbox_format.pack_start(format_label, False, False, 10)
hbox_format.pack_start(self.format_combo, False, False, 10)
vbox_download.pack_start(hbox_format, False, False, 10)
self._download = Gtk.Button(_('Get Book'))
self._download.set_image(Icon(icon_name='data-download'))
self._download.props.sensitive = False
self._download.connect('clicked', self.__get_book_cb)
vbox_download.pack_start(self._download, False, False, 10)
self.progressbox = Gtk.Box(spacing=20,
orientation=Gtk.Orientation.HORIZONTAL)
self.progressbar = Gtk.ProgressBar()
self.progressbar.set_fraction(0.0)
self.progressbox.pack_start(self.progressbar, expand=True, fill=True,
padding=0)
self.cancel_btn = Gtk.Button(stock=Gtk.STOCK_CANCEL)
self.cancel_btn.set_image(Icon(icon_name='dialog-cancel'))
self.cancel_btn.connect('clicked', self.__cancel_btn_clicked_cb)
self.progressbox.pack_start(self.cancel_btn, expand=False,
fill=False, padding=0)
vbox_download.pack_start(self.progressbox, False, False, 10)
bottom_hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
if self.show_images:
self.__image_downloader = None
self.image = Gtk.Image()
self.add_default_image()
bottom_hbox.pack_start(self.image, False, False, 10)
bottom_hbox.pack_start(self.scrolled, True, True, 10)
bottom_hbox.pack_start(vbox_download, False, False, 10)
bottom_hbox.show_all()
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
vbox.pack_start(self.msg_label, False, False, 10)
vbox.pack_start(self.list_box, True, True, 0)
vbox.pack_start(bottom_hbox, False, False, 10)
self.set_canvas(vbox)
self.listview.show()
vbox.show()
self.list_scroller.show()
self.progress_hide()
self.show_message(
_('Enter words from the Author or Title to begin search.'))
self._books_toolbar.search_entry.grab_focus()
if len(self.catalogs) > 0:
self.bt_catalogs.set_active(True)
def progress_hide(self):
self.clear_downloaded_bytes()
self.progressbar.set_sensitive(False)
self.cancel_btn.set_sensitive(False)
def progress_show(self):
self.progressbar.set_sensitive(True)
self.cancel_btn.set_sensitive(True)
def filter_catalogs_by_source(self):
self.catalogs = {}
for catalog_key in self.catalogs_configuration:
catalog = self.catalogs_configuration[catalog_key]
if catalog['source'] == self.source:
self.catalogs[catalog_key] = catalog
def load_source_catalogs(self):
self.filter_catalogs_by_source()
if len(self.catalogs) > 0:
self.categories = []
self.path_iter = {}
self.catalog_history = []
self.catalog_history.append({'title': _('Catalogs'),
'catalogs': self.catalogs})
for key in self.catalogs.keys():
self.categories.append({'text': key, 'dentro': []})
self.treemodel.clear()
for p in self.categories:
self.path_iter[p['text']] = self.treemodel.append([p['text']])
def can_close(self):
if self.queryresults is not None:
self.queryresults.cancel()
self.queryresults = None
return True
def selection_cb(self, widget):
selected_book = self.listview.get_selected_book()
if self.source == 'local_books':
if selected_book:
self.selected_book = selected_book
self._download.hide()
self.show_book_data()
self._object_id = selected_book.get_object_id()
self._show_journal_alert(_('Selected book'),
self.selected_title)
else:
self.clear_downloaded_bytes()
if selected_book:
self.update_format_combo(selected_book.get_types())
self.selected_book = selected_book
self._download.show()
self.show_book_data()
def show_message(self, text):
self.msg_label.set_text(text)
self.msg_label.show()
def hide_message(self):
self.msg_label.hide()
def show_book_data(self, load_image=True):
self.selected_title = self.selected_book.get_title()
book_data = _('Title:\t\t') + self.selected_title + '\n'
self.selected_author = self.selected_book.get_author()
book_data += _('Author:\t\t') + self.selected_author + '\n'
self.selected_publisher = self.selected_book.get_publisher()
self.selected_summary = self.selected_book.get_summary()
if (self.selected_summary is not 'Unknown'):
book_data += _('Summary:\t') + self.selected_summary + '\n'
self.selected_language_code = self.selected_book.get_language()
if self.selected_language_code != '':
try:
self.selected_language = \
self._lang_code_handler.get_full_language_name(
self.selected_book.get_language())
except:
self.selected_language = self.selected_book.get_language()
book_data += _('Language:\t') + self.selected_language + '\n'
book_data += _('Publisher:\t') + self.selected_publisher + '\n'
textbuffer = self.textview.get_buffer()
textbuffer.set_text('\n' + book_data)
self.enable_button(True)
# Cover Image
self.exist_cover_image = False
if self.show_images and load_image:
if self.source == 'local_books':
cover_image_buffer = self.get_journal_entry_cover_image(
self.selected_book.get_object_id())
if (cover_image_buffer):
self.add_image_buffer(
self.get_pixbuf_from_buffer(cover_image_buffer))
else:
self.add_default_image()
else:
url_image = self.selected_book.get_image_url()
self.add_default_image()
if url_image:
self.download_image(url_image.values()[0])
def get_pixbuf_from_buffer(self, image_buffer):
"""Buffer To Pixbuf"""
pixbuf_loader = GdkPixbuf.PixbufLoader()
pixbuf_loader.write(image_buffer)
pixbuf_loader.close()
pixbuf = pixbuf_loader.get_pixbuf()
return pixbuf
def get_journal_entry_cover_image(self, object_id):
ds_object = datastore.get(object_id)
if 'cover_image' in ds_object.metadata:
cover_data = ds_object.metadata['cover_image']
return base64.b64decode(cover_data)
elif 'preview' in ds_object.metadata:
return ds_object.metadata['preview']
else:
return ""
def download_image(self, url):
self._inhibit_suspend()
self.progress_show()
if self.__image_downloader is not None:
self.__image_downloader.stop()
self.__image_downloader = opds.FileDownloader(url, self.get_path())
self.__image_downloader.connect('updated', self.__image_updated_cb)
self.__image_downloader.connect('progress', self.__image_progress_cb)
def __image_updated_cb(self, downloader, path, content_type):
if path is not None:
self.add_image(path)
self.exist_cover_image = True
os.remove(path)
else:
self.add_default_image()
self.__image_downloader = None
GObject.timeout_add(500, self.progress_hide)
self._allow_suspend()
def __image_progress_cb(self, downloader, progress):
self.progressbar.set_fraction(progress)
while Gtk.events_pending():
Gtk.main_iteration()
def add_default_image(self):
file_path = os.path.join(activity.get_bundle_path(),
'generic_cover.png')
self.add_image(file_path)
def add_image(self, file_path):
pixbuf = GdkPixbuf.Pixbuf.new_from_file(file_path)
self.add_image_buffer(pixbuf)
def add_image_buffer(self, pixbuf):
image_height = int(Gdk.Screen.height() / 4)
image_width = image_height / 3 * 2
width, height = pixbuf.get_width(), pixbuf.get_height()
scale = 1
if (width > image_width) or (height > image_height):
scale_x = image_width / float(width)
scale_y = image_height / float(height)
scale = min(scale_x, scale_y)
pixbuf2 = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB,
pixbuf.get_has_alpha(), pixbuf.get_bits_per_sample(),
image_width, image_height)
pixbuf2.fill(style.COLOR_PANEL_GREY.get_int())
margin_x = int((image_width - (width * scale)) / 2)
margin_y = int((image_height - (height * scale)) / 2)
pixbuf.scale(pixbuf2, margin_x, margin_y,
image_width - (margin_x * 2), image_height - (margin_y * 2),
margin_x, margin_y, scale, scale,
GdkPixbuf.InterpType.BILINEAR)
self.image.set_from_pixbuf(pixbuf2)
def get_query_language(self):
query_language = None
if len(self.languages) > 0:
query_language = self._books_toolbar.language_combo.props.value
return query_language
def find_books(self, search_text=''):
self._inhibit_suspend()
self.source = self._books_toolbar.source_combo.props.value
query_language = self.get_query_language()
self.enable_button(False)
self.clear_downloaded_bytes()
self.book_selected = False
self.listview.handler_block(self.selection_cb_id)
self.listview.clear()
self.listview.handler_unblock(self.selection_cb_id)
if self.queryresults is not None:
self.queryresults.cancel()
self.queryresults = None
if self.source == 'local_books':
self.listview.populate_with_books(
self.get_entrys_info(search_text))
else:
if search_text is None:
return
elif len(search_text) < 3:
self.show_message(_('You must enter at least 3 letters.'))
self._books_toolbar.search_entry.grab_focus()
return
if self.source == 'Internet Archive':
self.queryresults = \
opds.InternetArchiveQueryResult(search_text,
self.get_path())
elif self.source in _SOURCES_CONFIG:
repo_configuration = _SOURCES_CONFIG[self.source]
self.queryresults = opds.RemoteQueryResult(repo_configuration,
search_text, query_language)
else:
self.queryresults = opds.LocalVolumeQueryResult(self.source,
search_text, query_language)
self.show_message(_('Performing lookup, please wait...'))
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.WATCH))
self.queryresults.connect('updated', self.__query_updated_cb)
def __query_updated_cb(self, query, midway):
self.listview.populate(self.queryresults)
if hasattr(self.queryresults, '_feedobj') and \
'bozo_exception' in self.queryresults._feedobj:
# something went wrong and we have to inform about this
bozo_exception = self.queryresults._feedobj.bozo_exception
if isinstance(bozo_exception, urllib2.URLError):
if isinstance(bozo_exception.reason, socket.gaierror):
if bozo_exception.reason.errno == -2:
self.show_message(_('Could not reach the server. '
'Maybe you are not connected to the network'))
self.window.set_cursor(None)
return
self.show_message(_('There was an error downloading the list.'))
elif (len(self.queryresults.get_catalog_list()) > 0):
self.show_message(_('New catalog list %s was found') \
% self.queryresults._configuration["name"])
self.catalogs_updated(query, midway)
elif len(self.queryresults) == 0:
self.show_message(_('Sorry, no books could be found.'))
if not midway and len(self.queryresults) > 0:
self.hide_message()
query_language = self.get_query_language()
if query_language != 'all' and query_language != 'en':
# the bookserver send english books if there are not books in
# the requested language
only_english = True
for book in self.queryresults.get_book_list():
if book.get_language() == query_language:
only_english = False
break
if only_english:
self.show_message(
_('Sorry, we only found english books.'))
self.get_window().set_cursor(None)
self._allow_suspend()
def catalogs_updated(self, query, midway):
self.catalogs = {}
for catalog_item in self.queryresults.get_catalog_list():
logging.debug('Add catalog %s', catalog_item.get_title())
catalog_config = {}
download_link = ''
download_links = catalog_item.get_types()
for link in download_links.keys():
download_link = download_links[link]
break
catalog_config['query_uri'] = download_link
catalog_config['opds_cover'] = \
catalog_item._configuration['opds_cover']
catalog_config['source'] = catalog_item._configuration['source']
source_config = _SOURCES_CONFIG[catalog_config['source']]
catalog_config['name'] = catalog_item.get_title()
catalog_config['summary_field'] = \
catalog_item._configuration['summary_field']
if catalog_item.get_title() in source_config['blacklist']:
logging.debug('Catalog "%s" is in blacklist',
catalog_item.get_title())
else:
self.catalogs[catalog_item.get_title().strip()] = \
catalog_config
if len(self.catalogs) > 0:
len_cat = len(self.catalog_history)
self.catalog_history[len_cat - 1]['catalogs'] = self.catalogs
self.path_iter = {}
self.categories = []
for key in self.catalogs.keys():
self.categories.append({'text': key, 'dentro': []})
self.treemodel.clear()
for p in self.categories:
self.path_iter[p['text']] = \
self.treemodel.append([p['text']])
title = self.catalog_history[len_cat - 1]['title']
self.bt_move_up_catalog.set_label(title)
self.bt_move_up_catalog.show_image()
else:
self.catalog_history.pop()
def __source_changed_cb(self, widget):
search_terms = self.get_search_terms()
if search_terms == '':
self.find_books(None)
else:
self.find_books(search_terms)
# enable/disable catalogs button if configuration is available
self.source = self._books_toolbar.source_combo.props.value
# Get catalogs for this source
self.load_source_catalogs()
if len(self.catalogs) > 0:
self.bt_catalogs.show()
self.bt_catalogs.set_active(True)
else:
self.bt_catalogs.set_active(False)
self.bt_catalogs.hide()
def __vadjustment_value_changed_cb(self, vadjustment):
if not self.queryresults.is_ready():
return
try:
# Use various tricks to update resultset as user scrolls down
if ((vadjustment.props.upper - vadjustment.props.lower) > 1000 \
and (vadjustment.props.upper - vadjustment.props.value - \
vadjustment.props.page_size) / (vadjustment.props.upper - \
vadjustment.props.lower) < 0.3) or ((vadjustment.props.upper \
- vadjustment.props.value
- vadjustment.props.page_size) < 200):
if self.queryresults.has_next():
self.queryresults.update_with_next()
finally:
return
def __cancel_btn_clicked_cb(self, btn):
if self.__image_downloader is not None:
self.__image_downloader.stop()
if self.__book_downloader is not None:
self.__book_downloader.stop()
self.progress_hide()
self.enable_button(True)
self.listview.props.sensitive = True
self._books_toolbar.search_entry.set_sensitive(True)
self._allow_suspend()
def get_book(self):
self.enable_button(False)
self.clear_downloaded_bytes()
self.progress_show()
if self.source != 'local_books':
self.selected_book.get_download_links(self.format_combo.props.value,
self.download_book,
self.get_path())
def download_book(self, url):
logging.error('DOWNLOAD BOOK %s', url)
self._inhibit_suspend()
self.listview.props.sensitive = False
self._books_toolbar.search_entry.set_sensitive(False)
self.__book_downloader = opds.FileDownloader(url, self.get_path())
self.__book_downloader.connect('updated', self.__book_updated_cb)
self.__book_downloader.connect('progress', self.__book_progress_cb)
def __book_updated_cb(self, downloader, path, content_type):
self._books_toolbar.search_entry.set_sensitive(True)
self.listview.props.sensitive = True
self._allow_suspend()
GObject.timeout_add(500, self.progress_hide)
self.enable_button(True)
self.__book_downloader = None
if path is None:
self._show_error_alert(_('Error: Could not download %s. ' +
'The path in the catalog seems to be incorrect.') %
self.selected_title)
return
if os.stat(path).st_size == 0:
self._show_error_alert(_('Error: Could not download %s. ' +
'The other end sent an empty file.') %
self.selected_title)
return
if content_type.startswith('text/html'):
self._show_error_alert(_('Error: Could not download %s. ' +
'The other end sent text/html instead of a book.') %
self.selected_title)
return
self.process_downloaded_book(path)
def __book_progress_cb(self, downloader, progress):