fixed issue 1839: catch exception if source code cannot be opened in the debugger

2014-01-19 14:07:00 -03:00
parent d55470f753
commit e10fd68f90
1 changed files with 6 additions and 2 deletions
@@ -54,9 +54,13 @@ def interact():
    filename = web_debugger.filename
    lineno = web_debugger.lineno
    if filename:
+        # prevent IOError 2 on some circuntances (EAFP instead of os.access)
+        try:
+            lines = open(filename).readlines()
+        except:
+            lines = ""
        lines = dict([(i + 1, l) for (i, l) in enumerate(
-            [l.strip("\n").strip("\r") for l
-             in open(filename).readlines()])])
+            [l.strip("\n").strip("\r") for l in lines])])
        filename = os.path.basename(filename)
    else:
        lines = {}