added language support for german

Dockerfile

@@ -8,6 +8,16 @@ WORKDIR /blog
 
 RUN pip3 install -r requirements.txt
 
+RUN apt-get update && \
+    apt-get install -y locales && \
+    sed -i -e 's/# de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/' /etc/locale.gen && \
+    sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+    dpkg-reconfigure --frontend=noninteractive locales
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
 VOLUME /blog/templates/entry
 
 VOLUME /blog/static/graphics

README.md

@@ -26,6 +26,9 @@ via plain text files.
 - [x] Switchable CSS
   - [x] CSS dark-theme
   - [x] CSS light-theme
+- [x] Language Support
+  - [x] English
+  - [x] German
 - [x] Config file
 - [x] Docker installation
 - [x] Logo

src/app.py

@@ -8,33 +8,34 @@ app = Flask(__name__)
 
 TITLE = config.TITLE
 STYLE = config.STYLE
+LANGUAGE = config.LANGUAGE
 DESCRIPTION = config.DESCRIPTION
 WEBSITE = config.WEBSITE
 
 @app.errorhandler(404)
 def page_not_found(e):
-    return render_template("error.html", title=TITLE, errorcode="404", style=STYLE), 404
+    return render_template("error.html", title=TITLE, errorcode="404", style=STYLE, language=LANGUAGE), 404
 
 
 @app.route("/")
 @app.route("/index.html")
 def index():
     content = con_gen.gen_index_string()
-    return render_template("index.html", title=TITLE, content_string=content, style=STYLE)
+    return render_template("index.html", title=TITLE, content_string=content, style=STYLE, language=LANGUAGE)
 
 
 @app.route("/archive")
 @app.route("/archive.html")
 def archive():
     content = con_gen.gen_arch_string()
-    return render_template("archive.html", title=TITLE, content_string=content, style=STYLE)
+    return render_template("archive.html", title=TITLE, content_string=content, style=STYLE, language=LANGUAGE)
 
 
 @app.route("/entry/<path>")
 def entry(path):
     content = con_gen.gen_stand_string(path)
     if content != "":
-        return render_template("standalone.html", title=TITLE, content_string=content, style=STYLE)
+        return render_template("standalone.html", title=TITLE, content_string=content, style=STYLE, language=LANGUAGE)
     abort(404)
 
 

src/config.py

@@ -9,3 +9,6 @@ WEBSITE = "localhost:5000"
 
 # Theme for the blog: dark, light
 STYLE = "dark"
+
+# Language for the titles: en-us or de-de
+LANGUAGE = "en-us"

src/content.py

@@ -1,97 +1,101 @@
-from datetime import datetime
+import locale
-import markdown
 import os
-from os import path
 import pathlib
+from datetime import datetime
+from os import path
 
 import config
+import markdown
 
 ENTRY_DIR = "templates/entry"
+LANGUAGE = config.LANGUAGE
+LOCAL = "de_DE.UTF-8" if LANGUAGE == "de-de" else "en_US.UTF-8"
+
+locale.setlocale(locale.LC_TIME, LOCAL)
+
+standalone_str = "Artikel" if LANGUAGE == "de-de" else "standalone"
+
 
 def gen_arch_string():
-    """
+  """
     Creates and returns a archive string of every file in ENTRY_DIR.
 
     Returns:
     string: html-formatted archive-string
     """
-    path_ex = ENTRY_DIR
+  path_ex = ENTRY_DIR
-    if path.exists(path_ex):
+  if path.exists(path_ex):
-        name_list = os.listdir(path_ex)
+    name_list = os.listdir(path_ex)
-        full_list = [os.path.join(path_ex, i) for i in name_list]
+    full_list = [os.path.join(path_ex, i) for i in name_list]
-        contents = sorted(full_list, key=os.path.getctime)
+    contents = sorted(full_list, key=os.path.getctime)
-        content_string = ""
+    content_string = ""
-        last_month = ""
+    last_month = ""
-        for file in reversed(contents):
+    for file in reversed(contents):
-            curr_date = datetime.fromtimestamp(
+      curr_date = datetime.fromtimestamp(os.path.getctime(file)).strftime("%Y-%m-%d")
-                os.path.getctime(file)).strftime("%Y-%m-%d")
+      curr_month = datetime.fromtimestamp(os.path.getctime(file)).strftime("%B %Y")
-            curr_month = datetime.fromtimestamp(
+      if curr_month != last_month:
-                os.path.getctime(file)).strftime("%b %Y")
+        if last_month != "":
-            if curr_month != last_month:
+          content_string += "</ul>\n"
-                if last_month != "":
+        content_string += "<h2>" + curr_month + "</h2>\n"
-                    content_string += "</ul>\n"
+        content_string += "<ul>\n"
-                content_string += "<h2>" + curr_month + "</h2>\n"
+        last_month = curr_month
-                content_string += "<ul>\n"
+      filename = pathlib.PurePath(file)
-                last_month = curr_month
+      title = open(filename).readline().rstrip("\n")
-            filename = pathlib.PurePath(file)
+      filename = filename.name
-            title = open(filename).readline().rstrip("\n")
+      if filename[0] != ".":
-            filename = filename.name
+        filename = filename.split(".", 1)[0]
-            if filename[0] != ".":
+      content_string += "<li>"
-                filename = filename.split(".", 1)[0]
+      content_string += "<a href=\"" + "/index.html#" + \
-            content_string += "<li>"
+          filename + "\">" + curr_date + "</a> - "
-            content_string += curr_date + " - "
+      content_string += "<a href=\"" + "/entry/" + \
-            content_string += title + " ["
+          pathlib.PurePath(file).name + "\"><b>" + title + "</b></a>"
-            content_string += "<a href=\"" + "/index.html#" + \
+      content_string += "<br>"
-                filename + "\">" + "link" + "</a> - "
+      content_string += "</li>\n"
-            content_string += "<a href=\"" + "/entry/" + \
+    content_string += "</ul>\n"
-                pathlib.PurePath(file).name + "\">" + "standalone" + "</a>"
+    return content_string
-            content_string += "] <br>"
-            content_string += "</li>\n"
-        content_string += "</ul>\n"
-        return content_string
 
 
 def gen_index_string():
-    """
+  """
     Create and returns a string including every file in the ENTRY_DIR as an index.
 
     Returns:
     string: html-formatted index string
     """
-    path_ex = ENTRY_DIR
+  path_ex = ENTRY_DIR
-    content_string = ""
+  content_string = ""
-    if path.exists(path_ex):
+  if path.exists(path_ex):
-        name_list = os.listdir(path_ex)
+    name_list = os.listdir(path_ex)
-        full_list = [os.path.join(path_ex, i) for i in name_list]
+    full_list = [os.path.join(path_ex, i) for i in name_list]
-        contents = sorted(full_list, key=os.path.getctime)
+    contents = sorted(full_list, key=os.path.getctime)
-        for file in reversed(contents):
+    for file in reversed(contents):
-            filename = pathlib.PurePath(file)
+      filename = pathlib.PurePath(file)
-            purefile = filename
+      purefile = filename
-            title = open(filename).readline().rstrip("\n")
+      title = open(filename).readline().rstrip("\n")
-            text = open(filename).readlines()[1:]
+      text = open(filename).readlines()[1:]
-            filename = filename.name
+      filename = filename.name
-            if filename[0] != ".":
+      if filename[0] != ".":
-                filename = filename.split(".", 1)[0]
+        filename = filename.split(".", 1)[0]
-            content_string += "<div class=\"entry\">\n"
+      content_string += "<div class=\"entry\">\n"
-            content_string += "<h2 id=\"" + filename + "\">" + title + "</h2>\n"
+      content_string += "<h2 id=\"" + filename + "\">"
-            content_string += "[<a href=\"" + "/entry/" + \
+      content_string += "<a href=\"" + "/entry/" + \
-                pathlib.PurePath(file).name + "\">" + \
+          pathlib.PurePath(file).name + "\">" + \
-                "standalone" + "</a>]<br>\n"
+          title + "</a>" +"</h2>\n"
-            if file.endswith(".html"):
+      content_string += "<small>" + \
-                for line in text:
+          datetime.fromtimestamp(os.path.getctime(
-                    content_string += line
+              file)).strftime("%Y-%m-%d") + "</small><br><br>"
-                content_string += "<br>"
+      if file.endswith(".html"):
-            if file.endswith(".md"):
+        for line in text:
-                content_string += gen_md_content(file, 2)
+          content_string += line
-            content_string += "<small>" + \
+        content_string += "<br>"
-                datetime.fromtimestamp(os.path.getctime(
+      if file.endswith(".md"):
-                    file)).strftime("%Y-%m-%d") + "</small>"
+        content_string += gen_md_content(file, 2)
-            content_string += "</div>"
+      content_string += "</div>"
-    return content_string
+  return content_string
 
 
 def gen_stand_string(path_ex):
-    """
+  """
     Creates a html-string for a file.
     If the file is markdown it will convert it.
     This functions ensures upscaling for future formats.
@@ -102,29 +106,29 @@ def gen_stand_string(path_ex):
     Returns:
     string: html-formatted string string equivalent to the file
     """
-    filename = os.path.join(ENTRY_DIR, path_ex)
+  filename = os.path.join(ENTRY_DIR, path_ex)
-    content_string = ""
+  content_string = ""
-    if path.exists(filename):
+  if path.exists(filename):
-        title = open(filename).readline().rstrip("\n")
+    title = open(filename).readline().rstrip("\n")
-        text = open(filename).readlines()[1:]
+    text = open(filename).readlines()[1:]
-        filename_no_end = filename.split(".", 1)[0]
+    curr_date = datetime.fromtimestamp(os.path.getctime(filename)).strftime("%Y-%m-%d")
-        filename_no_end = filename_no_end.split("/")[-1]
+    filename_no_end = filename.split(".", 1)[0]
-        content_string += "<h1>" + title + "</h1>\n"
+    filename_no_end = filename_no_end.split("/")[-1]
-        content_string += "["
+    content_string += "<h1>" + title + "</h1>\n"
-        content_string += "<a href=\"" + "/index.html#" + \
+    content_string += "<a href=\"" + "/index.html#" + \
-            filename_no_end + "\">" + "link" + "</a>"
+        filename_no_end + "\">" + curr_date + "</a>"
-        content_string += "]<br>\n"
+    content_string += "<br>\n"
-        if filename.endswith(".html"):
+    if filename.endswith(".html"):
-            for line in text:
+      for line in text:
-                content_string += line
+        content_string += line
-            content_string += "<br>"
+      content_string += "<br>"
-        if filename.endswith(".md"):
+    if filename.endswith(".md"):
-            content_string += gen_md_content(filename, 1)
+      content_string += gen_md_content(filename, 1)
-    return content_string
+  return content_string
 
 
 def gen_md_content(path_ex, depth):
-    """
+  """
     Convert a markdown file to a html string.
 
     Parameters:
@@ -134,54 +138,52 @@ def gen_md_content(path_ex, depth):
     Returns:
     string: html-formatted string string equivalent to the markdown file
     """
-    content_string = ""
+  content_string = ""
-    if path.exists(path_ex):
+  if path.exists(path_ex):
-        filename = path_ex.split(".", 1)
+    filename = path_ex.split(".", 1)
-        fileend = filename[len(filename) - 1]
+    fileend = filename[len(filename) - 1]
-        header = "#"
+    header = "#"
-        for i in range(depth):
+    for i in range(depth):
-            header += "#"
+      header += "#"
-        header += " "
+    header += " "
-        markdown_lines = open(path_ex, "r").readlines()[1:]
+    markdown_lines = open(path_ex, "r").readlines()[1:]
-        markdown_text = ""
+    markdown_text = ""
-        for line in markdown_lines:
+    for line in markdown_lines:
-            markdown_text += line.replace("# ", header)
+      markdown_text += line.replace("# ", header)
-        content_string = markdown.markdown(
+    content_string = markdown.markdown(markdown_text, extensions=["fenced_code", "tables"])
-            markdown_text, extensions=["fenced_code", "tables"]
+  return content_string
-        )
-    return content_string
 
 
 def get_rss_string():
-    """
+  """
     Create a rss-string of the blog and return it.
 
     Returns:
     string: rss-string of everything that is in the ENTRY_DIR.
     """
-    path_ex = ENTRY_DIR
+  path_ex = ENTRY_DIR
-    if path.exists(path_ex):
+  if path.exists(path_ex):
-        name_list = os.listdir(path_ex)
+    name_list = os.listdir(path_ex)
-        full_list = [os.path.join(path_ex, i) for i in name_list]
+    full_list = [os.path.join(path_ex, i) for i in name_list]
-        contents = sorted(full_list, key=os.path.getctime)
+    contents = sorted(full_list, key=os.path.getctime)
-        content_string = ""
+    content_string = ""
-        for file in reversed(contents):
+    for file in reversed(contents):
-            filename = pathlib.PurePath(file)
+      filename = pathlib.PurePath(file)
-            title = open(filename).readline().rstrip("\n")
+      title = open(filename).readline().rstrip("\n")
-            text = open(filename).readlines()[1:]
+      text = open(filename).readlines()[1:]
-            filename = filename.name
+      filename = filename.name
-            if filename[0] != ".":
+      if filename[0] != ".":
-                filename = filename.split(".", 1)[0]
+        filename = filename.split(".", 1)[0]
-            content_string += "<item>\n"
+      content_string += "<item>\n"
-            content_string += "<title>" + title + "</title>\n"
+      content_string += "<title>" + title + "</title>\n"
-            content_string += "<guid>" + config.WEBSITE + \
+      content_string += "<guid>" + config.WEBSITE + \
-                "/index.html#" + filename + "</guid>\n"
+          "/index.html#" + filename + "</guid>\n"
-            content_string += "<pubDate>" + \
+      content_string += "<pubDate>" + \
-                datetime.fromtimestamp(os.path.getctime(file)).strftime(
+          datetime.fromtimestamp(os.path.getctime(file)).strftime(
-                    "%Y-%m-%d") + "</pubDate>\n"
+              "%Y-%m-%d") + "</pubDate>\n"
-            content_string += "<description>"
+      content_string += "<description>"
-            for line in text:
+      for line in text:
-                content_string += line
+        content_string += line
-            content_string += "</description>\n"
+      content_string += "</description>\n"
-            content_string += "</item>\n"
+      content_string += "</item>\n"
-    return content_string
+  return content_string

src/templates/archive.html

@@ -2,7 +2,7 @@
 {% block content %}
 <div class="container">
     <div class="blogarchive">
-	<h1>Archive</h1><br>
+	<h1>{% if language=="de-de" %}Archiv{% else %}Archive{% endif %}</h1><br>
         {% autoescape off %}
         {{ content_string }}
         {% endautoescape %}

src/templates/error.html

@@ -2,7 +2,7 @@
 {% block content %}
 <div class="container">
     <div class="important">
-        Error<br>
+        {% if language=="de-de" %}Fehler{% else %}Error{% endif %}<br>
 	<span>{{ errorcode }}</span>
     </div>
 </div>

src/templates/index.html

@@ -2,7 +2,7 @@
 {% block content %}
 <div class="container">
     <div class="blog">
-        <h1>Index</h1><br>
+        <h1>Feed</h1><br>
         {% autoescape off %}
         {{ content_string }}
         {% endautoescape %}

src/templates/rss.xml

@@ -4,7 +4,7 @@
 <channel>
     <title>{{ title }}</title>
     <description>{{ description }}</description>
-<language>en-us</language>
+    <language>{{ language }}</language>
 <link>{{ website }}/feed.xml</link>
 <atom:link href="/feed.xml" rel="self" type="application/rss+xml" />
 

src/templates/template.html

@@ -14,7 +14,7 @@
         <label for="main-menu-check" class="show-menu">&#9776;</label>
         <div class="main-menu">
             <a href="{{ url_for('index') }}">Blog</a>
-            <a href="{{ url_for('archive') }}">Archive</a>
+            <a href="{{ url_for('archive') }}">{% if language=="de-de" %}Archiv{% else %}Archive{% endif %}</a>
             <label for="main-menu-check" class="hide-menu">X</label>
         </div>
     </div>