From 197f0a626dc333a4956a541ce556abb87bda8b46 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Tue, 14 Feb 2017 21:07:41 +0100
Subject: make template compilation a LOT faster

By not doing template parsing and starting the python interpreter every
time, templating only takes about a second on my machine now.
---
 template.py | 59 +++++++++++++++++++++++++++++++----------------------------
 1 file changed, 31 insertions(+), 28 deletions(-)

(limited to 'template.py')

diff --git a/template.py b/template.py
index f872ad3e..179e32a7 100755
--- a/template.py
+++ b/template.py
@@ -8,45 +8,48 @@
 # Note that the gettext files need to be prepared first. This script
 # is thus to be invoked via the Makefile.
 import os
+import os.path
 import sys
 import re
 import gettext
 import jinja2
+import glob
+import codecs
 
-if len(sys.argv) < 3:
-    sys.exit("Usage: " + __file__ + " <template-file> <locale> <output-file>")
+env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
+                         extensions=["jinja2.ext.i18n"],
+                         autoescape=False)
 
-in_file = sys.argv[1]
-locale = sys.argv[2]
 
-name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
+for in_file in glob.glob("*.j2"):
+    name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
+    tmpl = env.get_template(in_file)
 
-tr = gettext.translation("messages",
-                         localedir="locale",
-                         languages=[locale])
+    def self_localized(other_locale):
+        """
+        Return URL for the current page in another locale.
+        """
+        return "../" + other_locale + "/" + in_file.rstrip(".j2")
 
-env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
-                         extensions=["jinja2.ext.i18n"],
-                         autoescape=False)
-env.install_gettext_translations(tr, newstyle=True)
+    def url_localized(filename):
+        return "../" + locale + "/" + filename
 
-tmpl = env.get_template(in_file)
+    def url(x):
+        # TODO: look at the app root environment variable
+        # TODO: check if file exists
+        return "../" + x
 
-def self_localized(other_locale):
-    """
-    Return URL for the current page in another locale.
-    """
-    return "../" + other_locale + "/" + in_file.rstrip(".j2")
+    for l in glob.glob("locale/*/"):
+        locale = os.path.basename(l[:-1])
 
-def url_localized(filename):
-    return "../" + locale + "/" + filename
+        tr = gettext.translation("messages",
+                                 localedir="locale",
+                                 languages=[locale])
 
-def url(x):
-    # TODO: look at the app root environment variable
-    # TODO: check if file exists
-    return "../" + x
+        env.install_gettext_translations(tr, newstyle=True)
 
-import codecs
-f = codecs.open("./" + locale + "/" + in_file.rstrip(".j2"), "w", "utf-8")
-f.write(tmpl.render(lang=locale, url=url, self_localized=self_localized, url_localized=url_localized))
-f.close()
+
+        content = tmpl.render(lang=locale, url=url, self_localized=self_localized, url_localized=url_localized)
+        out_name = "./" + locale + "/" + in_file.rstrip(".j2")
+        with codecs.open(out_name, "w", "utf-8") as f:
+            f.write(content)
-- 
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