Added GPL, renamed to sg

sg.py

@@ -0,0 +1,115 @@
+#!/usr/bin/env python
+
+#    <one line to give the program's name and a brief idea of what it does.>
+#    Copyright (C) 2010  Bastian Venthur
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import os
+import shutil
+import string
+
+import markdown
+
+
+LAYOUTS_DIR = '_layouts'
+RESULT_DIR = '_site'
+STATIC_DIR = '_static'
+
+def prepare_site():
+    """Prepare site generation."""
+    # check if all needed files are available
+    # clean RESULT_DIR
+    shutil.rmtree(os.path.sep.join([os.curdir, RESULT_DIR]), True)
+
+
+def generate_site():
+    """Generate the dynamic part of the site."""
+    for root, dirs, files in os.walk(os.curdir):
+        # ignore directories starting with _
+        if root.startswith(os.path.sep.join([os.curdir, '_'])):
+            continue
+        for f in files:
+            if f.endswith(".markdown"):
+                path = os.path.sep.join([root, f])
+                html = render_page(path)
+                filename = path.replace(".markdown", ".html")
+                save_page(dest_path(filename), html)
+
+
+def copy_static_content():
+    """Copy the static content to RESULT_DIR."""
+    shutil.copytree(os.path.sep.join([os.curdir, STATIC_DIR]),
+            os.path.sep.join([os.curdir, RESULT_DIR]))
+
+
+def save_page(path, txt):
+    """Save the txt under the given filename."""
+    # create directory if necessairy
+    if not os.path.exists(os.path.dirname(path)):
+        os.mkdir(os.path.dirname(path))
+    fh = open(path, 'w')
+    fh.write(txt)
+    fh.close()
+
+
+def dest_path(path):
+    """Convert the destination path from the given path."""
+    base_dir = os.path.abspath(os.curdir)
+    path = os.path.abspath(path)
+    if not path.startswith(base_dir):
+        raise Exception("Path not in base_dir.")
+    path = path[len(base_dir):]
+    return os.path.sep.join([base_dir, RESULT_DIR, path])
+
+
+def process_markdown(txt):
+    """Convert given txt to html using markdown."""
+    html = markdown.markdown(txt)
+    return html
+
+
+def process_embed_content(template, content):
+    """Embedd content into html template."""
+    txt = string.Template(template)
+    html = txt.safe_substitute({'content' : content})
+    return html
+
+
+def render_page(path):
+    """Render page.
+
+    It starts with the file under path, and processes it by pushing it through
+    the processing pipeline. It returns a string.
+    """
+    fh = open(path, 'r')
+    txt = "".join(fh.readlines())
+    fh.close()
+
+    fh = open(os.path.sep.join([LAYOUTS_DIR, 'default.html']), 'r')
+    template = ''.join(fh.readlines())
+    fh.close()
+
+    # currently we only process markdown, other stuff can be added easyly
+    txt = process_markdown(txt)
+    txt = process_embed_content(template, txt)
+    return txt
+
+
+if __name__ == "__main__":
+    prepare_site()
+    copy_static_content()
+    generate_site()
+