From 00098e3fa63e65882ea800152cf84806f36aeca2 Mon Sep 17 00:00:00 2001
From: Oliver Hartmann <oliver.hartmann@freiewildbahn.de>
Date: Tue, 11 May 2021 19:33:59 +0200
Subject: [PATCH] Fixed exception when log file not available

---
 src/trader.py | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/trader.py b/src/trader.py
index 321fd2a..993eebb 100644
--- a/src/trader.py
+++ b/src/trader.py
@@ -5,14 +5,17 @@ from .data import log
 
 
 def read_log(logfile: str, app: gui.Gui) -> None:
-    logfile = open(logfile, 'r', encoding='utf8')
-    loglines = follow(logfile)
-    for line in loglines:
-        message = Message.from_text(line)
-        log.debug(message)
-        if message and message.trade and message.to_from == 'From':
-            log.debug(message.trade)
-            app.add_tab(30, message)
+    try:
+        logfile = open(logfile, 'r', encoding='utf8')
+        loglines = follow(logfile)
+        for line in loglines:
+            message = Message.from_text(line)
+            log.debug(message)
+            if message and message.trade and message.to_from == 'From':
+                log.debug(message.trade)
+                app.add_tab(30, message)
+    except IOError:
+        log.error(f'Error opening log file {logfile}.')
 
 
 def follow(thefile: str):