From c52922507dde74429e9a30a9b579071603badd27 Mon Sep 17 00:00:00 2001
From: qvalentin <valentin.theodor@web.de>
Date: Sun, 29 Aug 2021 17:54:18 +0200
Subject: [PATCH] basic server is working

---
 server.py | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 server.py

diff --git a/server.py b/server.py
new file mode 100644
index 0000000..f4127a6
--- /dev/null
+++ b/server.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+
+"""A meaningful docstring
+
+
+"""
+
+import argparse
+import re
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from urllib.parse import urlparse, parse_qs
+
+import requests
+from jinja2 import Template
+from pygments import highlight
+from pygments.formatters.html import HtmlFormatter
+from pygments.lexers import guess_lexer_for_filename
+
+
+def render_gist_js(code):
+    template = Template("document.write( '{{ code|tojson }}' );")
+
+    return template.render(code=code)
+
+
+class HTTPRequestHandler(BaseHTTPRequestHandler):
+
+    def do_GET(self):
+        if self.path == "/":
+            self.send_response(200, "running")
+        elif re.search("https://github.com/.*/.*", self.path):
+            github_raw_url = self.path[1:].replace("https://github.com/", "https://raw.githubusercontent.com/").replace("/blob/", "/")
+
+            response = requests.get(url=github_raw_url)
+            code = response.content.decode('UTF-8')
+
+            parsed_url = urlparse(self.path)
+            params = parse_qs(parsed_url.query)
+
+            style = "default"
+            if 'style' in params:
+                style = params['style'][0]
+
+            if 'slice' in params:
+                slice_value = params['slice'][0].split(":")
+                from_ = int(slice_value[0])
+                to_ = int(slice_value[1])
+                lines = str(code).splitlines()
+                selected_lines = lines[from_:to_]
+
+                code = "\n".join(selected_lines)
+
+            filename = parsed_url.path.split('/')[-1:][0]
+            lexer = guess_lexer_for_filename(filename, response.content)
+
+            formatter = HtmlFormatter(linenos=False, cssclass="gist-it-highlight", style=style)
+
+            highlighted_code = highlight(code, lexer, formatter)
+            css = formatter.get_style_defs('.gist-it-highlight')
+
+            result = highlighted_code + f"<style> {css}</style>"
+
+            js_rendered = render_gist_js(result)
+
+            self.send_response(200)
+            self.send_header('Content-Type', 'text/html')
+            self.end_headers()
+            self.wfile.write(js_rendered.encode('utf8'))
+
+
+
+        else:
+            self.send_response(404)
+
+        self.end_headers()
+
+
+def main():
+    parser = argparse.ArgumentParser(description='HTTP Server')
+    args = parser.parse_args()
+
+    server = HTTPServer(("localhost", 4876), HTTPRequestHandler)
+    print('HTTP Server Running...........')
+    server.serve_forever()
+
+
+if __name__ == '__main__':
+    main()