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server.py
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from http.server import HTTPServer, BaseHTTPRequestHandler
import os
from plot import plot_it
from freestyleparser import get_dates, get_data
import sys
FMT = """<html>
<head><meta charset="utf-8" /></head>
<body>
{}
</body>
</html>
"""
class RequestHandler(BaseHTTPRequestHandler):
def do_GET(self):
if self.path == "/":
dates = get_dates(file)[::-1]
body = "<h1>Libre Line Charts</h1><ul>{}</ul>".format(
"".join(('<li><a href="/{0}">{0}</a></li>'.format(d) for d in dates))
)
self.send_response(200)
self.end_headers()
self.wfile.write(bytes(FMT.format(body), "utf-8"))
elif self.path.startswith("/20"):
data = get_data(file, self.path[1:])
self.send_response(200)
self.end_headers()
self.wfile.write(bytes(FMT.format(plot_it(data)), "utf-8"))
else:
self.send_response(404)
self.end_headers()
self.wfile.write(bytes(FMT.format("oops"), "utf-8"))
if __name__ == "__main__":
# <file> [<port>]
if len(sys.argv) < 2:
print("No arguments. Please see the README.", file=sys.stderr)
sys.exit(1)
file = sys.argv[1]
if not os.path.isfile(file):
print("File {} does not exist.".format(file), file=sys.stderr)
sys.exit(1)
port = 8000
if len(sys.argv) >= 3:
try:
port = int(sys.argv[2])
except ValueError:
print("Incorrect port number.", file=sys.stderr)
sys.exit(1)
httpd = HTTPServer(("localhost", port), RequestHandler)
print("Data file: {}\nServing at port {}".format(file, port))
httpd.serve_forever()