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How to use transfer_ownership method in hypothesis

Best Python code snippet using hypothesis

clipboardmenu.py

Source:clipboardmenu.py

1# Copyright (C) 2007, One Laptop Per Child2#3# This program is free software: you can redistribute it and/or modify4# it under the terms of the GNU General Public License as published by5# the Free Software Foundation, either version 3 of the License, or6# (at your option) any later version.7#8# This program is distributed in the hope that it will be useful,9# but WITHOUT ANY WARRANTY; without even the implied warranty of10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the11# GNU General Public License for more details.12#13# You should have received a copy of the GNU General Public License14# along with this program.  If not, see <http://www.gnu.org/licenses/>.15from gettext import gettext as _16import tempfile17import urlparse18import os19import logging20from gi.repository import Gio21from gi.repository import Gtk22from sugar3.graphics.palette import Palette23from sugar3.graphics.menuitem import MenuItem24from sugar3.graphics.icon import Icon25from sugar3.graphics import style26from sugar3.datastore import datastore27from sugar3 import mime28from sugar3 import env29from sugar3 import profile30from sugar3.activity.i18n import pgettext31from jarabe.frame import clipboard32from jarabe.journal import misc33from jarabe.model import bundleregistry34class ClipboardMenu(Palette):35    def __init__(self, cb_object):36        Palette.__init__(self, text_maxlen=100)37        self._cb_object = cb_object38        self.set_group_id('frame')39        cb_service = clipboard.get_instance()40        cb_service.connect('object-state-changed',41                           self._object_state_changed_cb)42        self._remove_item = MenuItem(pgettext('Clipboard', 'Remove'),43                                     'list-remove')44        self._remove_item.connect('activate', self._remove_item_activate_cb)45        self.menu.append(self._remove_item)46        self._remove_item.show()47        self._open_item = MenuItem(_('Open'), 'zoom-activity')48        self._open_item.connect('activate', self._open_item_activate_cb)49        self.menu.append(self._open_item)50        self._open_item.show()51        self._journal_item = MenuItem(_('Keep'))52        color = profile.get_color()53        icon = Icon(icon_name='document-save',54                    pixel_size=style.SMALL_ICON_SIZE,55                    xo_color=color)56        self._journal_item.set_image(icon)57        self._journal_item.connect('activate', self._journal_item_activate_cb)58        self.menu.append(self._journal_item)59        self._journal_item.show()60        self._update()61    def _update_open_submenu(self):62        activities = self._get_activities()63        logging.debug('_update_open_submenu: %r', activities)64        child = self._open_item.get_child()65        if activities is None or len(activities) <= 1:66            child.set_text(_('Open'))67            if self._open_item.get_submenu() is not None:68                self._open_item.set_submenu(None)69            return70        child.set_text(_('Open with'))71        submenu = self._open_item.get_submenu()72        if submenu is None:73            submenu = Gtk.Menu()74            self._open_item.set_submenu(submenu)75            submenu.show()76        else:77            for item in submenu.get_children():78                submenu.remove(item)79        for service_name in activities:80            registry = bundleregistry.get_registry()81            activity_info = registry.get_bundle(service_name)82            if not activity_info:83                logging.warning('Activity %s is unknown.', service_name)84            item = Gtk.MenuItem(activity_info.get_name())85            item.connect('activate', self._open_submenu_item_activate_cb,86                         service_name)87            submenu.append(item)88            item.show()89    def _update_items_visibility(self):90        activities = self._get_activities()91        installable = self._cb_object.is_bundle()92        percent = self._cb_object.get_percent()93        if percent == 100 and (activities or installable):94            self._remove_item.props.sensitive = True95            self._open_item.props.sensitive = True96            self._journal_item.props.sensitive = True97        elif percent == 100 and (not activities and not installable):98            self._remove_item.props.sensitive = True99            self._open_item.props.sensitive = False100            self._journal_item.props.sensitive = True101        else:102            self._remove_item.props.sensitive = True103            self._open_item.props.sensitive = False104            self._journal_item.props.sensitive = False105    def _get_activities(self):106        mime_type = self._cb_object.get_mime_type()107        if not mime_type:108            return ''109        registry = bundleregistry.get_registry()110        activities = registry.get_activities_for_type(mime_type)111        if activities:112            return [info.get_bundle_id() for info in activities]113        else:114            return ''115    def _object_state_changed_cb(self, cb_service, cb_object):116        if cb_object != self._cb_object:117            return118        self._update()119    def _update(self):120        self.props.primary_text = self._cb_object.get_name()121        preview = self._cb_object.get_preview()122        if preview:123            self.props.secondary_text = preview124        self._update_items_visibility()125        self._update_open_submenu()126    def _open_item_activate_cb(self, menu_item):127        logging.debug('_open_item_activate_cb')128        percent = self._cb_object.get_percent()129        if percent < 100 or menu_item.get_submenu() is not None:130            return131        jobject = self._copy_to_journal()132        misc.resume(jobject.metadata, self._get_activities()[0])133        jobject.destroy()134    def _open_submenu_item_activate_cb(self, menu_item, service_name):135        logging.debug('_open_submenu_item_activate_cb')136        percent = self._cb_object.get_percent()137        if percent < 100:138            return139        jobject = self._copy_to_journal()140        misc.resume(jobject.metadata, service_name)141        jobject.destroy()142    def _remove_item_activate_cb(self, menu_item):143        cb_service = clipboard.get_instance()144        cb_service.delete_object(self._cb_object.get_id())145    def _journal_item_activate_cb(self, menu_item):146        logging.debug('_journal_item_activate_cb')147        jobject = self._copy_to_journal()148        jobject.destroy()149    def _write_to_temp_file(self, data):150        tmp_dir = os.path.join(env.get_profile_path(), 'data')151        f, file_path = tempfile.mkstemp(dir=tmp_dir)152        try:153            os.write(f, data)154        finally:155            os.close(f)156        return file_path157    def _copy_to_journal(self):158        formats = self._cb_object.get_formats().keys()159        most_significant_mime_type = mime.choose_most_significant(formats)160        format_ = self._cb_object.get_formats()[most_significant_mime_type]161        transfer_ownership = False162        if most_significant_mime_type == 'text/uri-list':163            uri = format_.get_data()164            if uri.startswith('file://'):165                parsed_url = urlparse.urlparse(uri)166                file_path = parsed_url.path  # pylint: disable=E1101167                transfer_ownership = False168                mime_type = mime.get_for_file(file_path)169            else:170                file_path = self._write_to_temp_file(format_.get_data())171                transfer_ownership = True172                mime_type = 'text/uri-list'173        else:174            if format_.is_on_disk():175                parsed_url = urlparse.urlparse(format_.get_data())176                file_path = parsed_url.path  # pylint: disable=E1101177                transfer_ownership = False178                mime_type = mime.get_for_file(file_path)179            else:180                file_path = self._write_to_temp_file(format_.get_data())181                transfer_ownership = True182                sniffed_mime_type = mime.get_for_file(file_path)183                if sniffed_mime_type == 'application/octet-stream':184                    mime_type = most_significant_mime_type185                else:186                    mime_type = sniffed_mime_type187        jobject = datastore.create()188        jobject.metadata['title'] = self._cb_object.get_name()189        jobject.metadata['keep'] = '0'190        jobject.metadata['buddies'] = ''191        jobject.metadata['preview'] = ''192        settings = Gio.Settings('org.sugarlabs.user')193        color = settings.get_string('color')194        jobject.metadata['icon-color'] = color195        jobject.metadata['mime_type'] = mime_type196        jobject.file_path = file_path197        datastore.write(jobject, transfer_ownership=transfer_ownership)...

pyobjecttype.py

Source:pyobjecttype.py

1# docstrings not neede here (the type handler doubleerfaces are fully2# documented in base.py) pylint: disable-msg=C01113from base import ReturnValue, Parameter, \4     ReverseWrapperBase, ForwardWrapperBase5class PyObjectParam(Parameter):6    DIRECTIONS = [Parameter.DIRECTION_IN]7    CTYPES = ['PyObject*']8    def __init__(self, ctype, name, transfer_ownership, is_const=False):9        """10        :param ctype: C type, normally 'PyObject*'11        :param name: parameter name12        :param transfer_ownership: this parameter transfer the ownership of13                              the pointed-to object to the called14                              function15        """16        super(PyObjectParam, self).__init__(17            ctype, name, direction=Parameter.DIRECTION_IN, is_const=is_const)18        self.transfer_ownership = transfer_ownership19    def convert_c_to_python(self, wrapper):20        assert isinstance(wrapper, ReverseWrapperBase)21        if self.transfer_ownership:22            wrapper.build_params.add_parameter('N', [self.value])23        else:24            wrapper.build_params.add_parameter('O', [self.value])25    def convert_python_to_c(self, wrapper):26        assert isinstance(wrapper, ForwardWrapperBase)27        name = wrapper.declarations.declare_variable(self.ctype_no_const, self.name)28        wrapper.parse_params.add_parameter('O', ['&'+name], self.name)29        wrapper.call_params.append(name)30        if self.transfer_ownership:31            wrapper.before_call.write_code("Py_INCREF((PyObject*) %s);" % name)32class PyObjectReturnValue(ReturnValue):33    CTYPES = ['PyObject*']34    def __init__(self, ctype, caller_owns_return, is_const=False):35        """36        :param ctype: C type, normally 'MyClass*'37        :param caller_owns_return: if true, ownership of the object pointer38                              is transferred to the caller39        """40        super(PyObjectReturnValue, self).__init__(ctype, is_const)41        self.caller_owns_return = caller_owns_return42    def get_c_error_return(self):43        return "return NULL;"44    45    def convert_python_to_c(self, wrapper):46        wrapper.parse_params.add_parameter("O", ["&"+self.value], prepend=True)47        if self.caller_owns_return:48            wrapper.after_call.write_code("Py_INCREF((PyObject*) %s);" % self.value)49    def convert_c_to_python(self, wrapper):50        wrapper.build_params.add_parameter(51            (self.caller_owns_return and "N" or "O"),...

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