[Python-modules-team] Bug#860218: templayer: please make the build reproducible

[Chris Lamb]

Source: templayer
Version: 1.5.1-3
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0], we noticed
that templayer could not be built reproducibly.

Patch attached.

 [0] https://reproducible-builds.org/


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
-------------- next part --------------
--- a/docgen_tutorial.py	2017-04-12 22:16:48.315687328 +0100
--- b/docgen_tutorial.py	2017-04-12 22:35:44.818256044 +0100
@@ -30,7 +30,9 @@
 
 from __future__ import nested_scopes
 
+import datetime
 import sys
+import time
 import os
 
 import templayer
@@ -75,6 +77,11 @@
 </html>
 """
 
+try:
+    date = datetime.datetime.utcfromtimestamp(int(os.environ['SOURCE_DATE_EPOCH'])).strftime('%a %b %d %H:%M:%S %Y')
+except KeyError:
+    date = time.asctime()
+
 examples["lawn2"] = ["example_lawn2"]
 def example_lawn2():
 	import templayer
@@ -118,7 +125,7 @@
 	tmpl = templayer.HTMLTemplate("lawn3.html")
 	file_writer = tmpl.start_file()
 	file_writer.open(title="Gordon's Lawn Happenings",
-			date=time.asctime())
+			date=date)
 	file_writer.close()
 
 template["lawn4"] = """
@@ -151,7 +158,7 @@
 	tmpl = templayer.HTMLTemplate("lawn4.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	main_layer.write_layer('report', day="Sunday", happenings=[
 		"We've got a groundhog.  I will have to stay alert.",
 		"I lost half a tomato plant to that furry guy."])
@@ -175,7 +182,7 @@
 	tmpl = templayer.HTMLTemplate("lawn4.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		main_layer.write_layer('report', day=d, happenings=h)
 	file_writer.close()
@@ -196,7 +203,7 @@
 	tmpl = templayer.HTMLTemplate("lawn4.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		main_layer.write_layer('report', day=d, happenings=h)
 	file_writer.close()
@@ -240,7 +247,7 @@
 	tmpl = templayer.HTMLTemplate("lawn5.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		happening_list = []
 		for w in h:
@@ -288,7 +295,7 @@
 	tmpl = templayer.HTMLTemplate("lawn6.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		report_layer = main_layer.open_layer('report', day=d)
 		for happening in h:
@@ -311,7 +318,7 @@
 	tmpl = templayer.HTMLTemplate("lawn6.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		report_layer = main_layer.open_layer('report', day=d)
 		for happening in h:
@@ -335,7 +342,7 @@
 	tmpl = templayer.HTMLTemplate("lawn6.html")
 	file_writer = tmpl.start_file()
 	main_layer = file_writer.open(title="Gordon's Lawn Happenings",
-		date=time.asctime())
+		date=date)
 	for d, h in reports:
 		report_layer = main_layer.open_layer('report', day=d)
 		for happening in h: