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nntp: use timestamp from servers to handle desynchronized clocks

This commit is contained in:
nemunaire 2019-11-09 14:46:32 +01:00
parent aee2da4122
commit b369683914
1 changed files with 17 additions and 10 deletions
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27
modules/nntp.py
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@ -49,14 +49,24 @@ def read_article(msg_id, **server):
return email.message_from_bytes(b"\r\n".join(info.lines), policy=email.policy.SMTPUTF8)
def whatsnew(date_last_check, group="*", **server):
servers_lastcheck = dict()
def whatsnew(group="*", **server):
fill = dict()
if "user" in server: fill["user"] = server["user"]
if "password" in server: fill["password"] = server["password"]
if "host" in server: fill["host"] = server["host"]
if "port" in server: fill["port"] = server["port"]
idx = _indexServer(**server)
if idx in servers_lastcheck and servers_lastcheck[idx] is not None:
date_last_check = servers_lastcheck[idx]
else:
date_last_check = datetime.now()
with NNTP(**fill) as srv:
response, servers_lastcheck[idx] = srv.date()
response, groups = srv.newgroups(date_last_check)
for g in groups:
yield g
@ -92,13 +102,12 @@ def _indexServer(**kwargs):
return "{user}:{password}@{host}:{port}".format(**kwargs)
def _newevt(**args):
context.add_event(ModuleEvent(call=partial(_fini, **args), interval=42))
context.add_event(ModuleEvent(call=partial(_ticker, **args), interval=42))
def _fini(to_server, to_channel, lastcheck, group, server):
print("fini called")
_newevt(to_server=to_server, to_channel=to_channel, group=group, lastcheck=datetime.now(), server=server)
def _ticker(to_server, to_channel, group, server):
_newevt(to_server=to_server, to_channel=to_channel, group=group, server=server)
n = 0
for art in whatsnew(lastcheck, group, **server):
for art in whatsnew(group, **server):
n += 1
if n > 10:
continue
@ -106,10 +115,8 @@ def _fini(to_server, to_channel, lastcheck, group, server):
if n > 10:
context.send_response(to_server, Response("... and %s others news" % (n - 10), channel=to_channel))
def watch(to_server, to_channel, group="*", lastcheck=None, **server):
if lastcheck is None:
lastcheck = datetime.now()
_newevt(to_server=to_server, to_channel=to_channel, group=group, lastcheck=lastcheck, server=server)
def watch(to_server, to_channel, group="*", **server):
_newevt(to_server=to_server, to_channel=to_channel, group=group, server=server)
# MODULE INTERFACE ####################################################