Simple flask server which takes a post request and generates content for pelican

server.py

from flask import Flask, request, render_template, url_for
import shutil
from werkzeug import secure_filename
import sys
import subprocess
import os

app = Flask(__name__)
USERNAME = "user"
PASSWORD = "password"
#give the name of the direcory you want the post to be moved to.
PELICAN_PATH = "/home/pelican/pelican_blog/"
PELICAN_CONTENT = "content"
PELICAN_OUTPUT = "output"
OUTPUT_DIR = "/var/www/output/"

"""
@app.route('/')
def home():
    return render_template('form.html')

"""

def valid_login(username, password):
    if username == USERNAME and password == PASSWORD :
        return True
    else :
        return False

@app.route('/post/',  methods=['POST'])
def make_post():
    # Make a post from the server, save it to markdown format.
    if valid_login(request.form['username'], request.form['password']):
        print("valid login")
        title = request.form['title']
        post = request.form['post']
        typeFile = request.form['extension']
        return write_post(title, typeFile, post)
    else:
        title = "Failed"
        post = "None"
        return '{{ "status" : "{0}", "message" : "{1}"  }}'.format("failed", "invalid credentials")


def write_post(title, typeFile, post) :
    try :
        title = secure_filename(title)
        title = os.path.splitext(title)[0] + "." + typeFile
        print title
        fd = open(title, 'w')
        fd.write(post)
        fd.close()
    except :
        print("unable to write the file")
        return '{{ "status" : "{0}", "message" : "{1}"  }}'.format("failed", sys.exc_info()[0])
    try :
        shutil.move(title,PELICAN_PATH + PELICAN_CONTENT)
        exitVal = subprocess.call(["make", "-C", PELICAN_PATH, "html"])
        print exitVal
        copytree(PELICAN_PATH+PELICAN_OUTPUT, OUTPUT_DIR)
        print "copy done"
    except :
        print("Exception in adding content")
        print(sys.exc_info())
        return '{{ "status" : "{0}", "message" : "{1}"  }}'.format("failed", sys.exc_info()[0])
    return '{{ "status" : "{0}", "message" : "{1}"  }}'.format("success", "none")

def copytree(src, dst, symlinks=False, ignore=None):
    if not os.path.exists(dst):
        os.makedirs(dst)
    for item in os.listdir(src):
        s = os.path.join(src, item)
        d = os.path.join(dst, item)
        if os.path.isdir(s):
            copytree(s, d, symlinks, ignore)
        else:
            if not os.path.exists(d) or os.stat(s).st_mtime - os.stat(d).st_mtime > 1:
                shutil.copy2(s, d)

if __name__ == '__main__':
    app.run(host='0.0.0.0',port=2015)