From: Simon Cross <hodgestar@gmail.com>
Date: Fri, 9 Sep 2016 18:36:45 +0000 (+0200)
Subject: Add utility for detailed performance profiling.
X-Git-Tag: tabakrolletjie-v1.0.0~165
X-Git-Url: https://git.ctpug.org.za/?p=tabakrolletjie.git;a=commitdiff_plain;h=fbe1062016a06f39b908f4f050f82ce8fa78008e

Add utility for detailed performance profiling.
---

diff --git a/tabakrolletjie/utils.py b/tabakrolletjie/utils.py
index b605ba1..0775204 100644
--- a/tabakrolletjie/utils.py
+++ b/tabakrolletjie/utils.py
@@ -21,3 +21,34 @@ def debug_timer(label, debug=False):
                     print "%s [%g seconds]" % (label, duration)
         return wrapper
     return debug_inner
+
+
+class DetailedTimer(object):
+    """ A detailed timer for overly complex functions.
+    """
+    def __init__(self, title, debug=False):
+        if DEBUG or debug:
+            self.title = title
+            self.times = []
+        else:
+            # fast funtions with the correct signature
+            self.start = int
+            self.show = str
+            self.lap = str
+            self.end = int
+
+    def start(self):
+        print "---- %s ----" % self.title
+        self.times.append(time.time())
+
+    def lap(self, label):
+        now = time.time()
+        print "  %s: %s" % (label, now - self.times[-1])
+        self.times.append(now)
+
+    def show(self, text):
+        print "  %s" % text
+
+    def end(self):
+        print "  %s: %s" % ("total", time.time() - self.times[0])
+        print "---- ----"