Localization and Banner Update (#517)

* banner: add banner and localization improvements from ukwa branch:
- show 'view all captures' link if not live
- optional logo
- loc options, if available
- banner options set via window.banner_info in banner.html

localization support: 
- add init_loc() to templateview
- loc available if config options set
- tests: add tests for loading localized messages, override .gitignore to allow test messages.mo

pywb/apps/frontendapp.py

@@ -1,6 +1,6 @@
 from gevent.monkey import patch_all; patch_all()
 
-from werkzeug.routing import Map, Rule, RequestRedirect
+from werkzeug.routing import Map, Rule, RequestRedirect, Submount
 from werkzeug.wsgi import pop_path_info
 from six.moves.urllib.parse import urljoin
 from six import iteritems
@@ -138,6 +138,17 @@ class FrontEndApp(object):
         :rtype: None
         """
         routes = self._make_coll_routes(coll_prefix)
+
+        # init loc routes, if any
+        loc_keys = list(self.rewriterapp.loc_map.keys())
+        if loc_keys:
+            routes.append(Rule('/', endpoint=self.serve_home))
+
+            submount_route = ', '.join(loc_keys)
+            submount_route = '/<any({0}):lang>'.format(submount_route)
+
+            self.url_map.add(Submount(submount_route, routes))
+
         for route in routes:
             self.url_map.add(route)
 

pywb/apps/rewriterapp.py

@@ -68,6 +68,11 @@ class RewriterApp(object):
             jinja_env.jinja_env.install_null_translations()
 
         self.jinja_env = jinja_env
+        self.loc_map = {}
+
+        self.jinja_env.init_loc(self.config.get('locales_root_dir'),
+                                self.config.get('locales'),
+                                self.loc_map)
 
         self.redirect_to_exact = config.get('redirect_to_exact')
 

pywb/rewrite/templateview.py

@@ -3,11 +3,13 @@ from warcio.timeutils import timestamp_now
 
 from pywb.utils.loaders import load
 
-from six.moves.urllib.parse import urlsplit
+from six.moves.urllib.parse import urlsplit, quote
 
-from jinja2 import Environment, TemplateNotFound
+from jinja2 import Environment, TemplateNotFound, contextfunction
 from jinja2 import FileSystemLoader, PackageLoader, ChoiceLoader
 
+from babel.support import Translations
+
 from webassets.ext.jinja2 import AssetsExtension
 from webassets.loaders import YAMLLoader
 from webassets.env import Resolver
@@ -115,6 +117,90 @@ class JinjaEnv(object):
 
         return loaders
 
+    def init_loc(self, locales_root_dir, locales, loc_map):
+        locales = locales or []
+
+        if locales_root_dir:
+            for loc in locales:
+                loc_map[loc] = Translations.load(locales_root_dir, [loc, 'en'])
+                #jinja_env.jinja_env.install_gettext_translations(translations)
+
+        def get_translate(context):
+            loc = context.get('env', {}).get('pywb_lang')
+            return loc_map.get(loc)
+
+        def override_func(jinja_env, name):
+            @contextfunction
+            def get_override(context, text):
+                translate = get_translate(context)
+                if not translate:
+                    return text
+
+                func = getattr(translate, name)
+                return func(text)
+
+            jinja_env.globals[name] = get_override
+
+        # standard gettext() translation function
+        override_func(self.jinja_env, 'gettext')
+
+        # single/plural form translation function
+        override_func(self.jinja_env, 'ngettext')
+
+        # Special _Q() function to return %-encoded text, necessary for use
+        # with text in banner
+        @contextfunction
+        def quote_gettext(context, text):
+            translate = get_translate(context)
+            if not translate:
+                return text
+
+            text = translate.gettext(text)
+            return quote(text, safe='/: ')
+
+        self.jinja_env.globals['locales'] = list(loc_map.keys())
+        self.jinja_env.globals['_Q'] = quote_gettext
+
+        @contextfunction
+        def switch_locale(context, locale):
+            environ = context.get('env')
+            curr_loc = environ.get('pywb_lang', '')
+
+            request_uri = environ.get('REQUEST_URI', environ.get('PATH_INFO'))
+
+            if curr_loc:
+                return request_uri.replace(curr_loc, locale, 1)
+
+            app_prefix = environ.get('pywb.app_prefix', '')
+
+            if app_prefix and request_uri.startswith(app_prefix):
+                request_uri = request_uri.replace(app_prefix, '')
+
+            return app_prefix + '/' + locale + request_uri
+
+        @contextfunction
+        def get_locale_prefixes(context):
+            environ = context.get('env')
+            locale_prefixes = {}
+
+            orig_prefix = environ.get('pywb.app_prefix', '')
+            coll = environ.get('SCRIPT_NAME', '')
+
+            if orig_prefix:
+                coll = coll[len(orig_prefix):]
+
+            curr_loc = environ.get('pywb_lang', '')
+            if curr_loc:
+                coll = coll[len(curr_loc) + 1:]
+
+            for locale in loc_map.keys():
+                locale_prefixes[locale] = orig_prefix + '/' + locale + coll + '/'
+
+            return locale_prefixes
+
+        self.jinja_env.globals['switch_locale'] = switch_locale
+        self.jinja_env.globals['get_locale_prefixes'] = get_locale_prefixes
+
     def template_filter(self, param=None):
         """Returns a decorator that adds the wrapped function to dictionary of template filters.
 

pywb/static/calendar.svg

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 8 8" style="enable-background:new 0 0 8 8;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#FFFFFF;}
+</style>
+<path class="st0" d="M0,0v2h7V0H0z M0,3v4.9C0,8,0,8,0.1,8h6.8C7,8,7,8,7,7.9V3H0L0,3z M1,4h1v1H1V4z M3,4h1v1H3V4z M5,4h1v1H5V4z
+	 M1,6h1v1H1V6z M3,6h1v1H3V6z"/>
+</svg>

pywb/static/default_banner.css

@@ -1,5 +1,5 @@
 
-#_wb_plain_banner, #_wb_frame_top_banner
+#_wb_frame_top_banner
 {
     display: block !important;
     top: 0px !important;
@@ -9,24 +9,17 @@
     font-size: 18px !important;
     background-color: #444 !important;
     color: white !important;
-    text-align: center !important;
     z-index: 2147483643 !important;
     line-height: normal !important;
 }
 
-#title_or_url {
+#title_or_url
+{
+    display: block !important;
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
-  padding-right: 4px;
-  display: block;
-}
-
-#_wb_plain_banner
-{
-    position: absolute !important;
-    padding: 4px !important;
-    border: 1px solid !important;
+    max-width: 100%;
 }
 
 #_wb_frame_top_banner
@@ -34,6 +27,111 @@
     position: absolute !important;
     border: 0px;
     height: 44px !important;
+
+    display: flex !important;
+    display: -webkit-box !important;
+    display: -moz-box !important;
+    display: -webkit-flex !important;
+    display: -ms-flexbox !important;
+
+    justify-content: space-between;
+    -webkit-box-pack: justify;
+    -moz-box-pack: justify;
+    -ms-flex-pack: justify;
+    align-items: center;
+    -webkit-box-align: center;
+    -moz-box-align: center;
+    -ms-flex-align: center;
+}
+
+#_wb_frame_top_banner ._wb_linked_logo
+{
+    display: block;
+    height: 26px;
+    width: 71px;
+    margin-left: 15px;
+    flex-shrink: 0;
+    -webkit-flex-shrink: 1 0;
+    -moz-flex-shrink: 1 0;
+    -ms-flex: 0 0 71px;
+}
+
+#_wb_frame_top_banner ._wb_linked_logo img
+{
+    width: auto;
+    height: 100%;
+    border: none;
+}
+
+#_wb_capture_info
+{
+    flex-grow: 1;
+    -webkit-box-flex: 1;
+    -moz-box-flex: 1;
+    -webkit-flex-grow: 1;
+    -ms-flex: 1;
+
+    min-width: 0;
+    margin: 0 15px;
+
+    display: flex !important;
+    display: -webkit-box !important;
+    display: -moz-box !important;
+    display: -webkit-flex !important;
+    display: -ms-flexbox !important;
+
+    flex-direction: column;
+    -webkit-box-direction: normal;
+    -webkit-box-orient: vertical;
+    -moz-box-direction: normal;
+    -moz-box-orient: vertical;
+    -ms-flex-direction: column;
+
+    justify-content: center;
+    -webkit-box-pack: center;
+    -moz-box-pack: center;
+    -ms-flex-pack: center;
+
+    align-items: center;
+    -webkit-box-align: center;
+    -moz-box-align: center;
+    -ms-flex-align: center;
+
+    height: 100%;
+    -webkit-font-smoothing: antialiased;
+}
+
+._wb_capture_date
+{
+    font-size: 13px;
+}
+
+#_wb_frame_top_banner #_wb_ancillary_links
+{
+    font-size: 12px;
+    color: #FFF;
+    margin-right: 15px;
+    text-align: right;
+    flex-shrink: 1 0;
+    -webkit-flex-shrink: 1 0;
+    -moz-flex-shrink: 1 0;
+    -ms-flex: 0 0 115px;
+}
+#_wb_frame_top_banner #_wb_ancillary_links a:link,
+#_wb_frame_top_banner #_wb_ancillary_links a:visited,
+#_wb_frame_top_banner #_wb_ancillary_links a:active
+{
+    color: #FFF;
+    text-decoration: none;
+}
+#_wb_frame_top_banner #_wb_ancillary_links a:hover
+{
+    text-decoration: underline;
+}
+#_wb_frame_top_banner #_wb_ancillary_links a img
+{
+    width: 10px;
+    height: 10px;
 }
 
 #wb_iframe_div
@@ -41,7 +139,7 @@
     position: absolute;
     width: 100%;
     height: 100%;
-    padding: 44px 4px 4px 0px;
+    padding: 44px 0px 0px 0px;
     border: none;
     box-sizing: border-box;
     -moz-box-sizing: border-box;
@@ -53,7 +151,39 @@
 {
     width: 100%;
     height: 100%;
-    border: 2px solid #545454;
+    border: 2px solid #FFF;
+    border-width: 2px 0 0 0;
     padding: 0px 0px 0px 0px;
     overflow: scroll;
 }
+
+.mobile {
+    display: none;
+}
+
+@media screen and (max-width: 500px) {
+    #_wb_frame_top_banner ._wb_linked_logo
+    {
+        width: 26px;
+        height: 26px;
+        margin-left: 10px;
+    }
+    #_wb_frame_top_banner ._wb_linked_logo img:not(.mobile)
+    {
+        display: none;
+    }
+    #_wb_frame_top_banner .mobile
+    {
+        display: block;
+    }
+
+    #_wb_capture_info
+    {
+        margin: 0 5px;
+    }
+
+    #_wb_frame_top_banner .no-mobile
+    {
+        display: none;
+    }
+}

pywb/static/default_banner.js

@@ -35,7 +35,7 @@ This file is part of pywb, https://github.com/webrecorder/pywb
     this.last_state = {};
     this.state = null;
     this.title = '';
-    this.loadingId = 'bannerLoading';
+    this.bannerUrlSet = false;
     this.onMessage = this.onMessage.bind(this);
   }
 
@@ -64,7 +64,7 @@ This file is part of pywb, https://github.com/webrecorder/pywb
    * @returns {boolean}
    */
   DefaultBanner.prototype.stillIndicatesLoading = function() {
-    return document.getElementById(this.loadingId) != null;
+    return !this.bannerUrlSet;
   };
 
   /**
@@ -129,6 +129,21 @@ This file is part of pywb, https://github.com/webrecorder/pywb
 
   // Functions internal to the default banner
 
+  /**
+   * @desc Navigate to different language, if available
+   */
+
+  DefaultBanner.prototype.changeLanguage = function(lang, evt) {
+    evt.preventDefault();
+    var path = window.location.href;
+    if (path.indexOf(window.banner_info.prefix) == 0) {
+      path = path.substring(window.banner_info.prefix.length);
+      if (window.banner_info.locale_prefixes && window.banner_info.locale_prefixes[lang]) {
+        window.location.pathname = window.banner_info.locale_prefixes[lang] + path;
+      }
+    }
+  }
+
   /**
    * @desc Creates the underlying HTML elements comprising the banner
    * @param {string} bid - The id for the banner
@@ -137,11 +152,64 @@ This file is part of pywb, https://github.com/webrecorder/pywb
     this.banner = document.createElement('wb_div', true);
     this.banner.setAttribute('id', bid);
     this.banner.setAttribute('lang', 'en');
-    this.captureInfo = document.createElement('span');
-    this.captureInfo.innerHTML =
-      '<span id="' + this.loadingId + '">Loading...</span>';
-    this.captureInfo.id = '_wb_capture_info';
+
+    if (window.banner_info.logoImg) {
+      var logo = document.createElement("a");
+      logo.setAttribute("href", "/" + (window.banner_info.locale ? window.banner_info.locale + "/" : ""));
+      logo.setAttribute("class", "_wb_linked_logo");
+
+      var logoContents = "";
+      logoContents += "<img src='" + window.banner_info.logoImg + "' alt='" + window.banner_info.logoAlt + "'>";
+      logoContents += "<img src='" + window.banner_info.logoImg + "' class='mobile' alt='" + window.banner_info.logoAlt + "'>";
+
+      logo.innerHTML = logoContents;
+      this.banner.appendChild(logo);
+    }
+
+    this.captureInfo = document.createElement("span");
+    this.captureInfo.setAttribute("id", "_wb_capture_info");
+    this.captureInfo.innerHTML = window.banner_info.loadingLabel;
     this.banner.appendChild(this.captureInfo);
+
+    var ancillaryLinks = document.createElement("div");
+    ancillaryLinks.setAttribute("id", "_wb_ancillary_links");
+
+    var calendarImg = window.banner_info.calendarImg || window.banner_info.staticPrefix + "/calendar.svg";
+
+    var calendarLink = document.createElement("a");
+    calendarLink.setAttribute("id", "calendarLink");
+    calendarLink.setAttribute("href", "#");
+    calendarLink.innerHTML = "<img src='" + calendarImg + "' alt='" + window.banner_info.calendarAlt + "'><span class='no-mobile'>&nbsp;" +window.banner_info.calendarLabel + "</span>";
+    ancillaryLinks.appendChild(calendarLink);
+    this.calendarLink = calendarLink;
+
+    if (typeof window.banner_info.locales !== "undefined" && window.banner_info.locales.length) {
+      var locales = window.banner_info.locales;
+      var languages = document.createElement("div");
+
+      var label = document.createElement("span");
+      label.setAttribute("class", "no-mobile");
+      label.appendChild(document.createTextNode(window.banner_info.choiceLabel + " "));
+      languages.appendChild(label);
+
+      for(var i = 0; i < locales.length; i++) {
+        var locale = locales[i];
+        var langLink = document.createElement("a");
+        langLink.setAttribute("href", "#");
+        langLink.addEventListener("click", this.changeLanguage.bind(this, locale));
+        langLink.appendChild(document.createTextNode(locale));
+
+        languages.appendChild(langLink);
+        if (i !== locales.length - 1) {
+            languages.appendChild(document.createTextNode(" / "));
+        }
+      }
+
+      ancillaryLinks.appendChild(languages);
+    }
+
+    this.banner.appendChild(ancillaryLinks);
+
     document.body.insertBefore(this.banner, document.body.firstChild);
   };
 
@@ -181,7 +249,7 @@ This file is part of pywb, https://github.com/webrecorder/pywb
     if (is_gmt) {
       return date.toGMTString();
     } else {
-      return date.toLocaleString();
+      return date.toLocaleString(window.banner_info.locale);
     }
   };
 
@@ -196,11 +264,15 @@ This file is part of pywb, https://github.com/webrecorder/pywb
     var capture_str;
     var title_str;
 
-    if (!ts) {
+    if (!url) {
+      this.captureInfo.innerHTML = window.banner_info.loadingLabel;
+      this.bannerUrlSet = false;
       return;
     }
 
-    var date_str = this.ts_to_date(ts, true);
+    if (!ts) {
+      return;
+    }
 
     if (title) {
       capture_str = title;
@@ -209,20 +281,27 @@ This file is part of pywb, https://github.com/webrecorder/pywb
     }
 
     title_str = capture_str;
-    capture_str = "<b id='title_or_url'>" + capture_str + '</b>';
+
+    capture_str = "<b id='title_or_url' title='" + capture_str + "'>" + capture_str + "</b>";
+
+    capture_str += "<span class='_wb_capture_date'>";
 
     if (is_live) {
-      title_str = ' pywb Live: ' + title_str;
-      capture_str += '<i>Live on&nbsp;</i>';
-    } else {
-      title_str += 'pywb Archived: ' + title_str;
-      capture_str += '<i>Archived on&nbsp;</i>';
+      title_str = window.banner_info.liveMsg + " " + title_str;
+      capture_str += "<b>" + window.banner_info.liveMsg + "&nbsp;</b>";
     }
 
-    title_str += ' (' + date_str + ')';
-    capture_str += date_str;
+    capture_str += this.ts_to_date(ts, window.banner_info.is_gmt);
+    capture_str += "</span>";
+
+    this.calendarLink.setAttribute("href", window.banner_info.prefix + "*/" + url);
+    this.calendarLink.style.display = is_live ? "none" : "";
+
     this.captureInfo.innerHTML = capture_str;
+
     window.document.title = title_str;
+
+    this.bannerUrlSet = true;
   };
 
   // all banners will expose themselves by adding themselves as WBBanner on window

pywb/templates/banner.html

@@ -2,4 +2,26 @@
 <!-- default banner, create through js -->
 <script src='{{ static_prefix }}/default_banner.js'> </script>
 <link rel='stylesheet' href='{{ static_prefix }}/default_banner.css'/>
+
+<script>
+window.banner_info = {
+    is_gmt: true,
+
+    liveMsg: decodeURIComponent("{{ _Q('Live on') }}"),
+
+    calendarAlt: decodeURIComponent("{{ _Q('Calendar icon') }}"),
+    calendarLabel: decodeURIComponent("{{ _Q('View All Captures') }}"),
+    choiceLabel: decodeURIComponent("{{ _Q('Language:') }}"),
+    loadingLabel: decodeURIComponent("{{ _Q('Loading...') }}"),
+    logoAlt: decodeURIComponent("{{ _Q('Logo') }}"),
+
+    locale: "{{ env.pywb_lang | default('en') }}",
+    curr_locale: "{{ env.pywb_lang }}",
+    locales: {{ locales }},
+    locale_prefixes: {{ get_locale_prefixes() | tojson }},
+    prefix: "{{ wb_prefix }}",
+    staticPrefix: "{{ static_prefix }}"
+};
+</script>
+
 {% endif %}

pywb/templates/index.html

@@ -2,7 +2,7 @@
 {% block body %}
 <div class="container">
     <div class="row">
-        <h2 class="display-2">Pywb Wayback Machine</h2>
+        <h2 class="display-2">{{ _('Pywb Wayback Machine') }}</h2>
         <p class="lead">This archive contains the following collections:</p>
     </div>
     <div class="row">

requirements.txt

@@ -14,3 +14,4 @@ portalocker
 wsgiprox>=1.5.1
 fakeredis<1.0
 tldextract
+babel

tests/config_test_loc.yaml

@@ -0,0 +1,14 @@
+debug: true
+
+collections:
+    pywb:
+        index_paths: ./sample_archive/cdx/
+        archive_paths: ./sample_archive/warcs/
+
+# i18n
+locales_root_dir: ./tests/i18n-data/
+locales:
+  - en
+  - 'l337'
+
+

tests/i18n-data/.gitignore

@@ -0,0 +1 @@
+#allow .mo

tests/i18n-data/l337/LC_MESSAGES/messages.po

@@ -0,0 +1,31 @@
+# Lithuanian translations for pywb.
+# Copyright (C) 2019 pywb
+# This file is distributed under the same license as the pywb project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2019.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: pywb 2.4.0rc0\n"
+"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
+"POT-Creation-Date: 2019-11-06 20:20-0800\n"
+"PO-Revision-Date: 2019-11-06 20:25-0800\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language: lt\n"
+"Language-Team: lt <LL@li.org>\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"(n%100<10 || n%100>=20) ? 1 : 2)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.5.3\n"
+
+#: pywb/templates/banner.html:14
+msgid "Language:"
+msgstr "L4n9u4g3:"
+
+
+#: pywb/templates/index.html:5
+msgid "Pywb Wayback Machine"
+msgstr "Py\\/\\/b W4yb4ck /\\/\\4ch1n3"
+
+

tests/test_locales.py

@@ -0,0 +1,31 @@
+from .base_config_test import BaseConfigTest
+
+
+# ============================================================================
+class TestLocales(BaseConfigTest):
+    @classmethod
+    def setup_class(cls):
+        super(TestLocales, cls).setup_class('config_test_loc.yaml')
+
+    def test_locale_en_home(self):
+        res = self.testapp.get('/en/')
+
+        assert 'Pywb Wayback Machine' in res.text, res.text
+
+    def test_locale_l337_home(self):
+        res = self.testapp.get('/l337/')
+
+        print(res.text)
+        assert r'Py\/\/b W4yb4ck /\/\4ch1n3' in res.text
+
+    def test_locale_en_replay_banner(self):
+        res = self.testapp.get('/en/pywb/mp_/https://example.com/')
+        assert '"en"' in res.text
+        assert '"Language:"' in res.text
+
+    def test_locale_l337_replay_banner(self):
+        res = self.testapp.get('/l337/pywb/mp_/https://example.com/')
+        assert '"l337"' in res.text
+        assert '"L4n9u4g3:"' in res.text
+
+