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Mini Shell
Mini Shell
from tempfile import TemporaryFile
import threading
import pytest
from jeepney import (
DBusAddress, HeaderFields, message_bus, MessageType, new_error,
new_method_return,
)
from jeepney.io.threading import open_dbus_connection, DBusRouter, Proxy
@pytest.fixture()
def respond_with_fd():
name = "io.gitlab.takluyver.jeepney.tests.respond_with_fd"
addr = DBusAddress(bus_name=name, object_path='/')
with open_dbus_connection(bus='SESSION', enable_fds=True) as conn:
with DBusRouter(conn) as router:
status, = Proxy(message_bus, router).RequestName(name)
assert status == 1 # DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER
def _reply_once():
while True:
msg = conn.receive()
if msg.header.message_type is MessageType.method_call:
if msg.header.fields[HeaderFields.member] == 'GetFD':
with TemporaryFile('w+') as tf:
tf.write('readme')
tf.seek(0)
rep = new_method_return(msg, 'h', (tf,))
conn.send(rep)
return
else:
conn.send(new_error(msg, 'NoMethod'))
reply_thread = threading.Thread(target=_reply_once, daemon=True)
reply_thread.start()
yield addr
reply_thread.join()
@pytest.fixture()
def read_from_fd():
name = "io.gitlab.takluyver.jeepney.tests.read_from_fd"
addr = DBusAddress(bus_name=name, object_path='/')
with open_dbus_connection(bus='SESSION', enable_fds=True) as conn:
with DBusRouter(conn) as router:
status, = Proxy(message_bus, router).RequestName(name)
assert status == 1 # DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER
def _reply_once():
while True:
msg = conn.receive()
if msg.header.message_type is MessageType.method_call:
if msg.header.fields[HeaderFields.member] == 'ReadFD':
with msg.body[0].to_file('rb') as f:
f.seek(0)
b = f.read()
conn.send(new_method_return(msg, 'ay', (b,)))
return
else:
conn.send(new_error(msg, 'NoMethod'))
reply_thread = threading.Thread(target=_reply_once, daemon=True)
reply_thread.start()
yield addr
reply_thread.join()
@pytest.fixture()
def temp_file_and_contents():
data = b'abc123'
with TemporaryFile('w+b') as tf:
tf.write(data)
tf.flush()
tf.seek(0)
yield tf, data
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