1 files changed, 81 insertions, 0 deletions
diff --git a/template.py b/template.py
new file mode 100755
index 0000000..c731c9c
--- /dev/null
+++ b/template.py
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+#!/usr/bin/env python3
+# This file is in the public domain.
+#
+# This script runs the jinga2 templating engine on an input template-file
+# using the specified locale for gettext translations, and outputs
+# the resulting (HTML) ouptut-file.
+#
+# 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
+import os
+import os.path
+
+env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
+        extensions=["jinja2.ext.i18n"],
+        lstrip_blocks=True,
+        trim_blocks=True,
+
+        undefined=jinja2.StrictUndefined,
+                         autoescape=False)
+
+default_ctx = {}
+default_ctx["merchant_blog_url"] = os.environ.get("TALER_ENV_URL_MERCHANT_BLOG", "#")
+default_ctx["merchant_donations_url"] = os.environ.get("TALER_ENV_URL_MERCHANT_DONATIONS", "#")
+default_ctx["intro_url"] = os.environ.get("TALER_ENV_URL_INTRO", "#")
+default_ctx["bank_url"] = os.environ.get("TALER_ENV_URL_BANK", "#")
+default_ctx["auditor_url"] = os.environ.get("TALER_ENV_URL_AUDITOR", "#")
+default_ctx["currency"] = os.environ.get("TALER_CONFIG_CURRENCY", "??")
+
+
+for in_file in glob.glob("*.j2"):
+    name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
+    tmpl = env.get_template(in_file)
+
+    def self_localized(other_locale):
+        """
+        Return URL for the current page in another locale.
+        """
+        return "../" + other_locale + "/" + in_file.rstrip(".j2")
+
+    def url_localized(filename):
+        return "../" + locale + "/" + filename
+
+    def url(x):
+        # TODO: look at the app root environment variable
+        # TODO: check if file exists
+        return "../" + x
+
+    for l in ("en", "de", "it", "es"):
+        locale = os.path.basename(l)
+
+        if os.path.isdir(os.path.join("./locale/", locale)):
+            tr = gettext.translation("messages",
+                                     localedir="locale",
+                                     languages=[locale])
+
+            env.install_gettext_translations(tr, newstyle=True)
+        else:
+            print("warning: locale {} not found".format(locale))
+        
+        ctx = dict(
+                lang=locale,
+                url=url,
+                self_localized=self_localized,
+                url_localized=url_localized,
+                filename=name + "." + ext)
+        ctx.update(default_ctx)
+
+        content = tmpl.render(**ctx)
+        out_name = "./" + locale + "/" + in_file.rstrip(".j2")
+        os.makedirs("./" + locale, exist_ok=True)
+
+        with codecs.open(out_name, "w", "utf-8") as f:
+            f.write(content)