refined logging

python/CHANGELOG

@@ -11,6 +11,8 @@
 - new Account.create_message() to create new messages 
   that are not in the database (yet) 
 
+- refined logging of events which now shows relative timestamps
+  
 
 0.6
 ---

python/src/deltachat/account.py

@@ -3,6 +3,7 @@
 from __future__ import print_function
 import threading
 import re
+import time
 import requests
 from array import array
 try:
@@ -327,6 +328,8 @@ class EventHandler(object):
 
 
 class EventLogger:
+    _loglock = threading.RLock()
+
     def __init__(self, dc_context, logid=None, debug=True):
         self._dc_context = dc_context
         self._event_queue = Queue()
@@ -335,6 +338,7 @@ class EventLogger:
             logid = str(self._dc_context).strip(">").split()[-1]
         self.logid = logid
         self._timeout = None
+        self.init_time = time.time()
 
     def __call__(self, evt_name, data1, data2):
         self._log_event(evt_name, data1, data2)
@@ -351,7 +355,7 @@ class EventLogger:
         return ev
 
     def get_matching(self, event_name_regex):
-        print ("-- waiting for event with regex:", event_name_regex, "--")
+        self._log("-- waiting for event with regex: {} --".format(event_name_regex))
         rex = re.compile("(?:{}).*".format(event_name_regex))
         while 1:
             ev = self.get()
@@ -370,10 +374,16 @@ class EventLogger:
         if evt_name in ("DC_EVENT_GET_STRING", "DC_EVENT_IS_OFFLINE"):
             return
         if self._debug:
+            evpart = "{}({!r},{!r})".format(evt_name, data1, data2)
+            self._log(evpart)
+
+    def _log(self, msg):
         t = threading.currentThread()
         tname = getattr(t, "name", t)
-            print("[{}-{}] {}({!r},{!r})".format(
-                 tname, self.logid, evt_name, data1, data2))
+        if tname == "MainThread":
+            tname = "MAIN"
+        with self._loglock:
+            print("{:2.2f} [{}-{}] {}".format(time.time() - self.init_time, tname, self.logid, msg))
 
 
 def _destroy_dc_context(dc_context, dc_context_unref=lib.dc_context_unref):

python/tests/conftest.py

@@ -1,6 +1,7 @@
 from __future__ import print_function
 import os
 import pytest
+import time
 from deltachat import Account
 from deltachat.types import cached_property
 from deltachat.capi import lib
@@ -37,6 +38,7 @@ def acfactory(pytestconfig, tmpdir, request):
             self.offline_count = 0
             self._finalizers = []
             request.addfinalizer(self.finalize)
+            self.init_time = time.time()
 
         def finalize(self):
             while self._finalizers:
@@ -59,6 +61,7 @@ def acfactory(pytestconfig, tmpdir, request):
             self.offline_count += 1
             tmpdb = tmpdir.join("offlinedb%d" % self.offline_count)
             ac = Account(tmpdb.strpath, logid="ac{}".format(self.offline_count))
+            ac._evlogger.init_time = self.init_time
             ac._evlogger.set_timeout(2)
             return ac
 
@@ -81,6 +84,7 @@ def acfactory(pytestconfig, tmpdir, request):
             configdict = self.configlist.pop(0)
             tmpdb = tmpdir.join("livedb%d" % self.live_count)
             ac = Account(tmpdb.strpath, logid="ac{}".format(self.live_count))
+            ac._evlogger.init_time = self.init_time
             ac._evlogger.set_timeout(30)
             ac.configure(**configdict)
             ac.start_threads()