Files
chatmail-core/python/src/deltachat/tracker.py
holger krekel 84012e760e refine low level event handling
slight refactor on printing
2020-04-13 17:39:31 +02:00

77 lines
2.3 KiB
Python

from queue import Queue
from threading import Event
from .hookspec import account_hookimpl
class ImexFailed(RuntimeError):
""" Exception for signalling that import/export operations failed."""
class ImexTracker:
def __init__(self):
self._imex_events = Queue()
@account_hookimpl
def process_ffi_event(self, ffi_event):
if ffi_event.name == "DC_EVENT_IMEX_PROGRESS":
self._imex_events.put(ffi_event.data1)
elif ffi_event.name == "DC_EVENT_IMEX_FILE_WRITTEN":
self._imex_events.put(ffi_event.data1)
def wait_finish(self, progress_timeout=60):
""" Return list of written files, raise ValueError if ExportFailed. """
files_written = []
while True:
ev = self._imex_events.get(timeout=progress_timeout)
if isinstance(ev, str):
files_written.append(ev)
elif ev == 0:
raise ImexFailed("export failed, exp-files: {}".format(files_written))
elif ev == 1000:
return files_written
class ConfigureFailed(RuntimeError):
""" Exception for signalling that configuration failed."""
class ConfigureTracker:
ConfigureFailed = ConfigureFailed
def __init__(self):
self._configure_events = Queue()
self._smtp_finished = Event()
self._imap_finished = Event()
self._ffi_events = []
@account_hookimpl
def process_ffi_event(self, ffi_event):
self._ffi_events.append(ffi_event)
if ffi_event.name == "DC_EVENT_SMTP_CONNECTED":
self._smtp_finished.set()
elif ffi_event.name == "DC_EVENT_IMAP_CONNECTED":
self._imap_finished.set()
@account_hookimpl
def configure_completed(self, success):
self._configure_events.put(success)
def wait_smtp_connected(self):
""" wait until smtp is configured. """
self._smtp_finished.wait()
def wait_imap_connected(self):
""" wait until smtp is configured. """
self._imap_finished.wait()
def wait_finish(self):
""" wait until configure is completed.
Raise Exception if Configure failed
"""
if not self._configure_events.get():
content = "\n".join(map(str, self._ffi_events))
raise ConfigureFailed(content)