[GNUnet-SVN] [taler-auditor] branch master updated: fixing #5063, also adding i18n, with help by Torsten

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grothoff pushed a commit to branch master
in repository auditor.

The following commit(s) were added to refs/heads/master by this push:
     new c288ba1  fixing #5063, also adding i18n, with help by Torsten
c288ba1 is described below

commit c288ba14fd475a03ef148769ffb4146669a34de9
Author: Christian Grothoff <address@hidden>
AuthorDate: Sat Apr 20 13:57:39 2019 +0200

    fixing #5063, also adding i18n, with help by Torsten
---
 Makefile          | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 config.mk         |  7 ++++++
 i18nfix.py        | 34 +++++++++++++++++++++++++++
 index.html.j2     | 35 +++++++++++++++++++++++-----
 locale/babel.map  | 12 ++++++++++
 static/web-common |  2 +-
 template.py       | 60 ++++++++++++++++++++++++++---------------------
 7 files changed, 184 insertions(+), 36 deletions(-)

diff --git a/Makefile b/Makefile
index 72460df..e6f461f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,67 @@
-.PHONY: all
-all:
-       ./template.py
+# This file is in the public domain.
+
+# Hardly anyone seems to read README files anymore, so keep this note here:
+# Don't remove the variables for python etc. They exist
+# because one system sticks with PEPs, and others opt
+# for installing every version side-by-side,
+# Same goes for babel.
+
+include config.mk
+
+# All: build HTML pages in all languages and compile the
+# TypeScript logic in web-common.
+all: locale template
+#      cd web-common && $(TSC)
+
+# Extract translateable strings from jinja2 templates.
+locale/messages.pot: *.j2 # common/*.j2 common/*.j2.inc
+       env PYTHONPATH="." $(BABEL) extract -F locale/babel.map -o 
locale/messages.pot .
+
+# Update translation (.po) files with new strings.
+locale-update: locale/messages.pot
+       msgmerge -U -m --previous locale/en/LC_MESSAGES/messages.po 
locale/messages.pot
+
+       if grep -nA1 '#-#-#-#-#' locale/*/LC_MESSAGES/messages.po; then echo -e 
"\nERROR: Conflicts encountered in PO files.\n"; exit 1; fi
+
+# Compile translation files for use.
+locale-compile:
+       $(BABEL) compile -d locale -l en --use-fuzzy
+
+# Process everything related to gettext translations.
+locale: locale-update locale-compile
+
+# Run the jinja2 templating engine to expand templates to HTML
+# incorporating translations.
+template: locale-compile
+       $(PYTHON) ./template.py
+
+run: all
+       @[ "$(BROWSER)" ] || ( echo "You need to export the environment 
variable 'BROWSER' to run this."; exit 1 )
+       $(RUN_BROWSER) http://0.0.0.0:8000 &
+       # cd rendered && $(PYTHON) -m http.server
+       $(PYTHON) -m http.server
+
+clean:
+       rm -rf __pycache__
+       rm -rf en/ de/ fr/ it/ es/ ru/
+       rm -rf rendered/
+
+submodules/init:
+       git submodule update --init --recursive
+
+submodules/update:
+       git submodule update --recursive --remote
+
+.SILENT: show-help
+
+show-help:
+       printf "all:\t\t\tBuild the website\n"
+       printf "locale/messages.pot:\tExtract translateable strings from jinja2 
templates.\n"
+       printf "locale-update:\t\tUpdate translation files with new strings.\n"
+       printf "locale-compile:\t\tCompile translation files for use.\n"
+       printf "locale:\t\t\tProcess everything related to gettext 
translations.\n"
+       printf "template:\t\texpand jinja2 templates to html.\n"
+       printf "run:\t\t\tspawn python webserver and open the current 
directory.\n"
+       printf "clean:\t\t\tclean.\n"
+       printf "submodules/init:\tinit git submodules\n"
+       printf "submodules/update:\tupdate git submodules\n"
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..6d0dae0
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,7 @@
+# config.mk Makefile fragment to set custom variables.
+
+TSC=tsc
+PYTHON=python3
+BABEL=pybabel
+
+RUN_BROWSER=$(BROWSER)
diff --git a/i18nfix.py b/i18nfix.py
new file mode 100644
index 0000000..9e4b26b
--- /dev/null
+++ b/i18nfix.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+# This file is in the public domain.
+
+"""
+Extract translations from a Jinja2 template, stripping leading newlines.
+
address@hidden Florian Dold
+"""
+
+import jinja2.ext
+import re
+
+def normalize(message):
+    if isinstance(message, str):
+      message = message.strip()
+      # collapse whitespaces (including newlines) into one space.
+      message = re.sub("\s+", " ", message)
+    return message
+
+
+def babel_extract(fileobj, keywords, comment_tags, options):
+    res = jinja2.ext.babel_extract(fileobj, keywords, comment_tags, options)
+    for lineno, funcname, message, comments in res:
+        message = normalize(message)
+        yield lineno, funcname, message, comments
+
+def wrap_gettext(f):
+    """
+    Call gettext with whitespace normalized.
+    """
+    def wrapper(message):
+        message = normalize(message)
+        return f(message)
+    return wrapper
diff --git a/index.html.j2 b/index.html.j2
index 0dcdead..6945479 100644
--- a/index.html.j2
+++ b/index.html.j2
@@ -2,7 +2,7 @@
 <html lang="en" data-taler-nojs="true">
 <head profile="http://www.w3.org/2005/10/profile";>
   <meta charset="utf-8"/>
-  <title>Taler Demo - Auditor</title>
+  <title>{{ _("Taler Demo - Auditor") }}</title>
   <link rel="stylesheet" type="text/css" href="{{ 
url('static/web-common/pure.css') }}" />
   <link rel="stylesheet" type="text/css" href="{{ 
url('static/web-common/demo.css') }}" />
   <link rel="stylesheet" type="text/css" href="{{ 
url('static/web-common/taler-fallback.css') }}" id="taler-presence-stylesheet" 
/>
@@ -50,19 +50,42 @@
 
 <body>
   <div class="demobar">
-    <h1><span class="tt adorn-brackets">Taler Demo</span></h1>
-    <h1><span class="it"><a href="#">Auditor</a></span></h1>
-    <p>This is an auditor for the currency "{{ currency }}".</p>
+    <h1><span class="tt adorn-brackets">{{ _("Taler Demo") }}</span></h1>
+    <h1><span class="it"><a href="#">{{ _("Auditor") }}</a></span></h1>
+    <p>
+      {{ _("This is an auditor for the %(curr)s currency.", curr=currency) }}
+    </p>
     <ul>
       <li><a href="{{ intro_url }}">Introduction</a></li>
       <li><a href="{{ bank_url }}">Bank</a></li>
       <li><a href="{{ merchant_blog_url }}">Essay Shop</a></li>
       <li><a href="{{ merchant_donations_url }}">Donations</a></li>
     </ul>
-    <p>You can learn more about Taler on our main <a 
href="https://taler.net";>website</a>.</p>
+    <p>
+      {% trans %}
+      You can learn more about Taler on our main <a 
href="https://taler.net/";>website</a>.
+      {% endtrans %}
+    </p>
   </div>
   <section id="main" class="content">
-  <button class="pure-button pure-button-primary" onclick="addAuditor()">Add 
Auditor</button>
+    <h1>{{ _("%(curr)s Auditor", curr=currency) }} </h1>
+    <p style="color: black;">
+      {{ _("This is the Web site of the auditor for the %(curr)s 
currency.",curr=currency) }}
+      {% trans %}
+      In the GNU Taler system, an auditor is responsible for verifying
+      that an exchange operates correctly. If you trust us to do a good
+      job auditing, please click here:
+      {% endtrans %}
+    </p>
+    <div style="text-align: center;">
+      <button class="pure-button pure-button-primary" style="text-allign: 
center;" click="addAuditor()">{{ _("Add Auditor") }}</button>
+    </div>
+    <p>
+      {% trans %}
+      This will tell your wallet that you are willing to trust exchanges that
+      we audit to handle the TESTKUDOS currency properly.
+      {% endtrans %}
+    </p>
   </section>
 </body>
 </html>
diff --git a/locale/babel.map b/locale/babel.map
new file mode 100644
index 0000000..72b6f99
--- /dev/null
+++ b/locale/babel.map
@@ -0,0 +1,12 @@
+[extractors]
+jinja2 = i18nfix:babel_extract
+
+[jinja2: **.j2]
+encoding = utf-8
+lstrip_blocks = True
+trim_blocks = True
+
+[jinja2: **.j2.inc]
+encoding = utf-8
+lstrip_blocks = True
+ltrim_blocks = True
diff --git a/static/web-common b/static/web-common
index d7e0135..68cb09c 160000
--- a/static/web-common
+++ b/static/web-common
@@ -1 +1 @@
-Subproject commit d7e013594d15388b1a7342a44a0e9c8d4ecca82d
+Subproject commit 68cb09ce78e261dbcddc69b174b8766f96794971
diff --git a/template.py b/template.py
index bd67d3f..c8153cc 100755
--- a/template.py
+++ b/template.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # This file is in the public domain.
 #
-# This script runs the jinga2 templating engine on an input template-file
+# This script runs the jinja2 templating engine on an input template-file
 # using the specified locale for gettext translations, and outputs
 # the resulting (HTML) ouptut-file.
 #
@@ -12,19 +12,19 @@ import os.path
 import sys
 import re
 import gettext
+import subprocess
 import jinja2
 import glob
 import codecs
 import os
-import os.path
-import subprocess
+sys.path.append(os.getcwd())
+import i18nfix
 
 env = 
jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
-        extensions=["jinja2.ext.i18n"],
-        lstrip_blocks=True,
-        trim_blocks=True,
-
-        undefined=jinja2.StrictUndefined,
+                         extensions=["jinja2.ext.i18n"],
+                         lstrip_blocks=True,
+                         trim_blocks=True,
+                         undefined=jinja2.StrictUndefined,
                          autoescape=False)
 
 default_ctx = {}
@@ -38,6 +38,8 @@ auditor_priv_file = 
os.path.expanduser("~/.local/share/taler/auditor/offline-key
 default_ctx["auditor_pub"] = subprocess.check_output(["gnunet-ecc", "-p", 
auditor_priv_file]).decode("utf-8").strip()
 
 
+langs_full = {"en": "English" }
+
 for in_file in glob.glob("*.j2"):
     name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
     tmpl = env.get_template(in_file)
@@ -51,34 +53,40 @@ for in_file in glob.glob("*.j2"):
     def url_localized(filename):
         return "../" + locale + "/" + filename
 
+    def svg_localized(filename):
+        lf = filename + "." + locale + ".svg"
+        if "en" == locale or not os.path.isfile (lf):
+            return "../" + filename + ".svg"
+        else:
+            return "../" + lf
+
     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)
+    for l in glob.glob("locale/*/"):
+        locale = os.path.basename(l[:-1])
 
-        if os.path.isdir(os.path.join("./locale/", locale)):
-            tr = gettext.translation("messages",
-                                     localedir="locale",
-                                     languages=[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)
+        tr.gettext = i18nfix.wrap_gettext(tr.gettext)
+
+        env.install_gettext_translations(tr, newstyle=True)
 
+        ctx = dict(lang=locale,
+                   lang_full=langs_full[locale],
+                   url=url,
+                   self_localized=self_localized,
+                   url_localized=url_localized,
+                   svg_localized=svg_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)

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