From 5759c1f7ceff3d1ff6da06cf86d129623ce0512e Mon Sep 17 00:00:00 2001
From: Hartmut Goebel <h.goebel@crazy-compilers.com>
Date: Sat, 19 Jan 2019 21:38:50 +0100
Subject: Replace spaghetti code by loops.

---
 gnunet/strings.py | 56 +++++++++++++++----------------------------------------
 1 file changed, 15 insertions(+), 41 deletions(-)

diff --git a/gnunet/strings.py b/gnunet/strings.py
index c84e32c..1484495 100644
--- a/gnunet/strings.py
+++ b/gnunet/strings.py
@@ -53,48 +53,22 @@ def string_to_data(s):
 def absolute_time_to_string(t):
     return t.strftime("%a %b %d %H:%M:%S %Y")
 
-
 def string_to_absolute_time(s):
     if s == "end of time":
         return None
-    try:
-        return datetime.datetime.strptime(s, "%a %b %d %H:%M:%S %Y")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%c")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Ec")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Y-%m-%d %H:%M:%S")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Y-%m-%d %H:%M")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%x")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Ex")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Y-%m-%d")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Y-%m")
-    except ValueError:
-        pass
-    try:
-        return datetime.datetime.strptime(s, "%Y")
-    except ValueError:
-        pass
+    for fmt in (
+            "%a %b %d %H:%M:%S %Y",
+            "%c",
+            "%Ec",
+            "%Y-%m-%d %H:%M:%S",
+            "%Y-%m-%d %H:%M",
+            "%x",
+            "%Ex",
+            "%Y-%m-%d",
+            "%Y-%m",
+            "%Y"):
+        try:
+            return datetime.datetime.strptime(s, fmt)
+        except ValueError:
+            pass
     raise ValueError("%s is not a properly formatted time string" % s)
-- 
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