browser.py

commit d32cbf1dfe66e6c99f3508ca75227bee54b8b9a6
parent 313909c1fa097467683a4af86658de6bfa26597c
Author: Jake Bauer <jbauer@paritybit.ca>
Date:   Tue, 21 Feb 2023 16:12:14 -0500

Add basic execution time printout

Diffstat:
M
browser.py
 | 
32
+++++++++++++++++++++++++-------

1 file changed, 25 insertions(+), 7 deletions(-)
diff --git a/browser.py b/browser.py
@@ -2,6 +2,7 @@ import tkinter
 import tkinter.font
 import socket
 import ssl
+from timeit import default_timer as timer
 
 FONTS = {}
 
@@ -9,6 +10,8 @@ WIDTH, HEIGHT = 800, 600
 HSTEP, VSTEP = 13, 18
 SCROLLSTEP = 100
 
+EXEC_TIME = 0
+
 class Browser:
     def __init__(self):
         self.scroll = 0
@@ -37,16 +40,28 @@ class Browser:
 
 
     def load(self, url):
-        print("Making request to", url)
+        overall_start = timer()
+        start = timer()
         headers, body = request(url)
-        print("Received response.")
-        print("Lexing response body...")
+        end = timer()
+        print('{0:.5f}'.format(end - start), "- Request to", url)
+
+        start = timer()
         tokens = lex(body)
-        print("Laying out page...")
+        end = timer()
+        print('{0:.5f}'.format(end - start), "- Lexed response body")
+
+        start = timer()
         self.display_list = Layout(tokens).display_list
-        print("Drawing canvas...")
+        end = timer()
+        print('{0:.5f}'.format(end - start), "- Computed page layout")
+
+        start = timer()
         self.draw()
-        print("Done.")
+        end = timer()
+        print('{0:.5f}'.format(end - start), "- Canvas drawn")
+
+        print('{0:.5f}'.format(timer() - EXEC_TIME), "- Time to first draw")
 
 
     def draw(self):
@@ -216,6 +231,9 @@ def get_font(size, weight, slant):
 
 
 if __name__ == "__main__":
+    EXEC_TIME = timer()
     import sys
-    Browser().load(sys.argv[1])
+    if len(sys.argv) < 2: url = "http://www.paritybit.ca/meta.html"
+    else: url = sys.argv[1]
+    Browser().load(url)
     tkinter.mainloop()