mirror of
https://github.com/kovidgoyal/calibre.git
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128 lines
3.5 KiB
Plaintext
128 lines
3.5 KiB
Plaintext
# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
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from __python__ import bound_methods, hash_literals
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import traceback
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from elementmaker import E
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from gettext import gettext as _
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import initialize # noqa: unused-import
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from ajax import ajax
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from book_list.globals import set_session_data
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from modals import error_dialog, create_modal_container
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from qt import from_python, to_python
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from read_book.db import new_book
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from read_book.globals import runtime, ui_operations
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from read_book.view import View
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from session import session_defaults
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def container_div(id):
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return E.div(id=id, style='margin: 0; padding: 0; display: none')
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runtime.is_standalone_viewer = True
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book = None
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view = None
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def get_file(book, name, proceed):
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pass # TODO: Implement this
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def get_mathjax_files(proceed):
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pass # TODO: Implement this
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def update_url_state(replace):
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pass # TODO: Implement this
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def show_error(title, msg, details):
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error_dialog(title, msg, details)
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def manifest_received(key, end_type, xhr, ev):
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nonlocal book
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if end_type is 'load':
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book = new_book(key, {})
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data = JSON.parse(xhr.responseText)
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book.manifest = data[0]
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book.metadata = book.manifest.metadata = data[1]
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book.stored_files = {}
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book.is_complete = True
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v'delete book.manifest["metadata"]'
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v'delete book.manifest["last_read_positions"]'
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view.display_book(book)
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else:
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error_dialog(_('Could not open book'), _(
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'Failed to load book manifest, click "Show details" for more info'),
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xhr.error_html or None)
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class SessionData:
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def __init__(self, prefs):
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defaults = session_defaults()
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self.data = {k: defaults[k] if prefs[k] is undefined else prefs[k] for k in defaults}
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def get(self, key, defval):
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ans = self.data[key]
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if ans is undefined or ans is None:
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if defval is undefined:
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defval = None
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return defval
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return ans
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def set(self, key, val):
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if val is None:
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self.data[key] = session_defaults()[key]
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else:
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self.data[key] = val
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to_python.set_session_data(key, val)
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def clear(self):
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defaults = session_defaults()
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self.data = {k: defaults[k] for k in defaults}
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to_python.set_session_data('*', None)
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def create_session_data(prefs):
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sd = SessionData(prefs)
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set_session_data(sd)
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@from_python
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def start_book_load(key, prefs):
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nonlocal view
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if view is None:
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create_session_data(prefs)
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view = View(document.getElementById('view'))
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ajax('manifest', manifest_received.bind(None, key), ok_code=0).send()
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def onerror(msg, script_url, line_number, column_number, error_object):
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if not error_object:
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# cross domain error
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return False
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fname = script_url.rpartition('/')[-1] or script_url
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msg += '<br><span style="font-size:smaller">' + 'Error at {}:{}:{}'.format(fname, line_number, column_number or '') + '</span>'
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details = ''
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console.log(error_object)
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details = traceback.format_exception(error_object).join('')
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error_dialog(_('Unhandled error'), msg, details)
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return True
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if window is window.top:
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# main
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ui_operations.get_file = get_file
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ui_operations.get_mathjax_files = get_mathjax_files
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ui_operations.update_url_state = update_url_state
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ui_operations.show_error = show_error
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document.body.appendChild(E.div(id='view'))
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window.onerror = onerror
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create_modal_container()
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else:
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# iframe
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pass
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