diff --git a/.gitignore b/.gitignore
index 4a2aa300..3cedb39b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@ credentials.h
 node_modules
 code/utils
 custom.h
+.python
+.env
diff --git a/code/ota.py b/code/ota.py
new file mode 100644
index 00000000..8e5a4bc6
--- /dev/null
+++ b/code/ota.py
@@ -0,0 +1,210 @@
+#!/usr/bin/env python
+#-------------------------------------------------------------------------------
+# ESPurna OTA manager
+# xose.perez@gmail.com
+#
+# Requires PlatformIO Core
+#-------------------------------------------------------------------------------
+
+import sys
+import re
+import logging
+import socket
+import argparse
+import subprocess
+from time import sleep
+from zeroconf import ServiceBrowser, ServiceStateChange, Zeroconf
+
+#-------------------------------------------------------------------------------
+
+devices = []
+description = "ESPurna OTA Manager v0.1"
+
+#-------------------------------------------------------------------------------
+
+def on_service_state_change(zeroconf, service_type, name, state_change):
+    '''
+    Callback that adds discovered devices to "devices" list
+    '''
+
+    if state_change is ServiceStateChange.Added:
+        info = zeroconf.get_service_info(service_type, name)
+        if info:
+            hostname = info.server.split(".")[0]
+            device = {
+                'hostname': hostname.upper(),
+                'ip': socket.inet_ntoa(info.address)
+            }
+            device['app'] = info.properties.get('app_name', '')
+            device['version'] = info.properties.get('app_version', '')
+            device['device'] = info.properties.get('target_board', '')
+            device['mem_size'] = info.properties.get('mem_size', '')
+            device['sdk_size'] = info.properties.get('sdk_size', '')
+            devices.append(device)
+
+def list():
+    '''
+    Shows the list of discovered devices
+    '''
+    output_format="{:>3}  {:<25}{:<25}{:<15}{:<15}{:<30}{:<10}{:<10}"
+    print(output_format.format(
+        "#",
+        "HOSTNAME",
+        "IP",
+        "APP",
+        "VERSION",
+        "DEVICE",
+        "MEM_SIZE",
+        "SDK_SIZE",
+    ))
+    print "-" * 135
+
+    index = 0
+    for device in devices:
+        index = index + 1
+        print(output_format.format(
+            index,
+            device.get('hostname', ''),
+            device.get('ip', ''),
+            device.get('app', ''),
+            device.get('version', ''),
+            device.get('device', ''),
+            device.get('mem_size', ''),
+            device.get('sdk_size', ''),
+        ))
+
+    print
+
+def get_boards():
+    '''
+    Grabs board types fro hardware.h file
+    '''
+    boards = []
+    for line in open("espurna/config/hardware.h"):
+        m = re.search(r'defined\((\w*)\)', line)
+        if m:
+            boards.append(m.group(1))
+    return sorted(boards)
+
+def flash():
+    '''
+    Grabs info from the user about what device to flash
+    '''
+
+    # Choose the board
+    try:
+        index = int(input("Choose the board you want to flash (empty if none of these): "))
+    except:
+        index = 0
+    if index < 0 or len(devices) < index:
+        print "Board number must be between 1 and %s\n" % str(len(devices))
+        return None
+
+    board = {'board': '', 'ip': '', 'size': 0 , 'auth': '', 'flags': ''}
+
+    if index > 0:
+        device = devices[index-1]
+        board['board'] = device.get('device', '')
+        board['ip'] = device.get('ip', '')
+        board['size'] = int(device.get('mem_size', 0) if device.get('mem_size', 0) == device.get('sdk_size', 0) else 0) / 1024
+
+    # Choose board type if none before
+    if len(board['board']) == 0:
+
+        print
+        count = 1
+        boards = get_boards()
+        for name in boards:
+            print "%3d\t%s" % (count, name)
+            count = count + 1
+        print
+
+        try:
+            index = int(input("Choose the board type you want to flash: "))
+        except:
+            index = 0
+        if index < 1 or len(boards) < index:
+            print "Board number must be between 1 and %s\n" % str(len(boards))
+            return None
+        board['board'] = boards[index-1]
+
+    # Choose board size of none before
+    if board['size'] == 0:
+        try:
+            board['size'] = int(input("Board memory size (1 for 1M, 4 for 4M): "))
+        except:
+            print "Wrong memory size"
+            return None
+
+    # Choose IP of none before
+    if len(board['ip']) == 0:
+        try:
+            board['ip'] = raw_input("IP of the device to flash (empty for 192.168.4.1): ") or "192.168.4.1"
+        except:
+            print "Wrong IP"
+            return None
+
+    board['auth'] = raw_input("Authorization key of the device to flash: ")
+    board['flags'] = raw_input("Extra flags for the build: ")
+
+    return board
+
+def run(device, env):
+    command = "export ESPURNA_IP=\"%s\"; export ESPURNA_BOARD=\"%s\"; export ESPURNA_AUTH=\"%s\"; export ESPURNA_FLAGS=\"%s\"; platformio run --silent --environment %s -t upload"
+    command = command % (device['ip'], device['board'], device['auth'], device['flags'], env)
+    subprocess.check_call(command, shell=True)
+
+#-------------------------------------------------------------------------------
+
+if __name__ == '__main__':
+
+    # Parse command line options
+    parser = argparse.ArgumentParser(description=description)
+    #parser.add_argument("-v", "--verbose", help="show verbose output", default=0, action='count')
+    parser.add_argument("-f", "--flash", help="flash device", default=0, action='count')
+    parser.add_argument("-s", "--sort", help="sort devices list by field", default='hostname')
+    args = parser.parse_args()
+
+    print
+    print description
+    print
+
+    # Enable logging if verbose
+    #logging.basicConfig(level=logging.DEBUG)
+    #logging.getLogger('zeroconf').setLevel(logging.DEBUG)
+
+    # Look for sevices
+    zeroconf = Zeroconf()
+    browser = ServiceBrowser(zeroconf, "_arduino._tcp.local.", handlers=[on_service_state_change])
+    sleep(1)
+    zeroconf.close()
+
+    # Sort list
+    field = args.sort.lower()
+    if field not in devices[0]:
+        print "Unknown field '%s'\n" % field
+        sys.exit(1)
+    devices = sorted(devices, key=lambda device: device.get(field, ''))
+
+    # List devices
+    list()
+
+    # Flash device
+    if args.flash > 0:
+        device = flash()
+        if device:
+
+            env = "esp8266-%sm-ota" % device['size']
+
+            # Summary
+            print
+            print "ESPURNA_IP    = %s" % device['ip']
+            print "ESPURNA_BOARD = %s" % device['board']
+            print "ESPURNA_AUTH  = %s" % device['auth']
+            print "ESPURNA_FLAGS = %s" % device['flags']
+            print "ESPURNA_ENV   = %s" % env
+
+            response = raw_input("\nAre these values right [y/N]: ")
+            print
+            if response == "y":
+                run(device, env)
diff --git a/code/ota_flash.sh b/code/ota_flash.sh
deleted file mode 100755
index b217f0a4..00000000
--- a/code/ota_flash.sh
+++ /dev/null
@@ -1,225 +0,0 @@
-#!/bin/bash
-
-ip=
-board=
-size=
-auth=
-flags=
-
-export boards=()
-ips=""
-
-exists() {
-    command -v "$1" >/dev/null 2>&1
-}
-
-echo_pad() {
-    string=$1
-    pad=$2
-    printf '%s' "$string"
-    printf '%*s' $(( $pad - ${#string} ))
-}
-
-useAvahi() {
-
-    echo_pad "#" 4
-    echo_pad "HOSTNAME" 25
-    echo_pad "IP" 25
-    echo_pad "APP" 15
-    echo_pad "VERSION" 15
-    echo_pad "DEVICE" 30
-    echo_pad "MEM_SIZE" 10
-    echo_pad "SDK_SIZE" 10
-    echo
-
-    printf -v line '%*s\n' 134
-    echo ${line// /-}
-
-    counter=0
-
-    ip_file="/tmp/espurna.flash.ips"
-    board_file="/tmp/espurna.flash.boards"
-    count_file="/tmp/espurna.flash.count"
-    size_file="/tmp/espurna.flash.size"
-    echo -n "" > $ip_file
-    echo -n "" > $board_file
-    echo -n "" > $size_file
-    echo -n "$counter" > $count_file
-
-    avahi-browse -t -r -p  "_arduino._tcp" 2>/dev/null | grep ^= | sort -t ';' -k 3 | while read line; do
-
-        (( counter++ ))
-        echo "$counter" > $count_file
-
-        hostname=`echo $line | cut -d ';' -f4`
-        ip=`echo $line | cut -d ';' -f8`
-        txt=`echo $line | cut -d ';' -f10`
-        app_name=`echo $txt | sed -n "s/.*app_name=\([^\"]*\).*/\1/p"`
-        app_version=`echo $txt | sed -n "s/.*app_version=\([^\"]*\).*/\1/p"`
-        board=`echo $txt | sed -n "s/.*target_board=\([^\"]*\).*/\1/p"`
-        mem_size=`echo $txt | sed -n "s/.*mem_size=\([^\"]*\).*/\1/p"`
-        sdk_size=`echo $txt | sed -n "s/.*sdk_size=\([^\"]*\).*/\1/p"`
-
-        echo_pad "$counter" 4
-        echo_pad "$hostname" 25
-        echo_pad "http://$ip" 25
-        echo_pad "$app_name" 15
-        echo_pad "$app_version" 15
-        echo_pad "$board" 30
-        echo_pad "$mem_size" 10
-        echo_pad "$sdk_size" 10
-        echo
-
-        echo -n "$ip;" >> $ip_file
-        echo -n "$board;" >> $board_file
-        if [ "$mem_size" == "$sdk_size" ]; then
-            mem_size=`echo $mem_size | head -c 1`
-            echo -n "$mem_size;" >> $size_file
-        else
-            echo -n ";" >> $size_file
-        fi
-
-    done
-
-    echo
-    read -p "Choose the board you want to flash (empty if none of these): " num
-
-    # None of these
-    if [ "$num" == "" ]; then
-        return
-    fi
-
-    # Check boundaries
-    counter=`cat $count_file`
-    if [ $num -lt 1 ] || [ $num -gt $counter ]; then
-        echo "Board number must be between 1 and $counter"
-        exit 1
-    fi
-
-    # Fill the fields
-    ip=`cat $ip_file | cut -d ';' -f$num`
-    board=`cat $board_file | cut -d ';' -f$num`
-    size=`cat $size_file | cut -d ';' -f$num`
-
-}
-
-getBoard() {
-
-    boards=(`cat espurna/config/hardware.h | grep "defined" | sed "s/.*(\(.*\)).*/\1/" | sort`)
-
-    echo_pad "#" 4
-    echo_pad "DEVICE" 30
-    echo
-
-    printf -v line '%*s\n' 34
-    echo ${line// /-}
-
-    counter=0
-    for board in "${boards[@]}"; do
-        (( counter++ ))
-        echo_pad "$counter" 4
-        echo_pad "$board" 30
-        echo
-    done
-
-    echo
-    read -p "Choose the board you want to flash (empty if none of these): " num
-
-    # None of these
-    if [ "$num" == "" ]; then
-        return
-    fi
-
-    # Check boundaries
-    counter=${#boards[*]}
-    if [ $num -lt 1 ] || [ $num -gt $counter ]; then
-        echo "Board code must be between 1 and $counter"
-        exit 1
-    fi
-
-    # Fill the fields
-    (( num -- ))
-    board=${boards[$num]}
-
-}
-
-# ------------------------------------------------------------------------------
-
-# Welcome
-echo
-echo "--------------------------------------------------------------"
-echo "ESPURNA FIRMWARE OTA FLASHER"
-
-# Get current version
-version=`cat espurna/config/version.h | grep APP_VERSION | awk '{print $3}' | sed 's/"//g'`
-echo "Building for version $version"
-
-echo "--------------------------------------------------------------"
-echo
-
-if exists avahi-browse; then
-    useAvahi
-fi
-
-if [ "$board" == "" ]; then
-    getBoard
-fi
-
-if [ "$board" == "" ]; then
-    read -p "Board type of the device to flash: " -e -i "NODEMCU_LOLIN" board
-fi
-
-if [ "$board" == "" ]; then
-    echo "You must define the board type"
-    exit 2
-fi
-
-if [ "$size" == "" ]; then
-    read -p "Board memory size (1 for 1M, 4 for 4M): " -e size
-fi
-
-if [ "$size" == "" ]; then
-    echo "You must define the board memory size"
-    exit 2
-fi
-
-if [ "$ip" == "" ]; then
-    read -p "IP of the device to flash: " -e -i 192.168.4.1 ip
-fi
-
-if [ "$ip" == "" ]; then
-    echo "You must define the IP of the device"
-    exit 2
-fi
-
-if [ "$auth" == "" ]; then
-    read -p "Authorization key of the device to flash: " auth
-fi
-
-if [ "$flags" == "" ]; then
-    read -p "Extra flags for the build: " -e -i "" flags
-fi
-
-env="esp8266-${size}m-ota"
-
-echo
-echo "ESPURNA_IP    = $ip"
-echo "ESPURNA_BOARD = $board"
-echo "ESPURNA_AUTH  = $auth"
-echo "ESPURNA_FLAGS = $flags"
-echo "ESPURNA_ENV   = $env"
-
-echo
-echo -n "Are these values corrent [y/N]: "
-read response
-
-if [ "$response" != "y" ]; then
-    exit
-fi
-
-export ESPURNA_IP=$ip
-export ESPURNA_BOARD=$board
-export ESPURNA_AUTH=$auth
-export ESPURNA_FLAGS=$flags
-
-platformio run --silent --environment $env -t upload
diff --git a/code/ota_list.sh b/code/ota_list.sh
deleted file mode 100755
index 6a988db9..00000000
--- a/code/ota_list.sh
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/bash
-
-exists() {
-    command -v "$1" >/dev/null 2>&1
-}
-
-echo_pad() {
-    string=$1
-    pad=$2
-    printf '%s' "$string"
-    printf '%*s' $(( $pad - ${#string} ))
-}
-
-useAvahi() {
-
-    echo_pad "#" 4
-    echo_pad "HOSTNAME" 25
-    echo_pad "IP" 25
-    echo_pad "APP" 15
-    echo_pad "VERSION" 15
-    echo_pad "DEVICE" 30
-    echo_pad "MEM_SIZE" 10
-    echo_pad "SDK_SIZE" 10
-    echo
-
-    printf -v line '%*s\n' 134
-    echo ${line// /-}
-
-    counter=0
-
-    avahi-browse -t -r -p  "_arduino._tcp" 2>/dev/null | grep ^= | sort -t ';' -k 3 | while read line; do
-
-        (( counter++ ))
-
-        hostname=`echo $line | cut -d ';' -f4`
-        ip=`echo $line | cut -d ';' -f8`
-        txt=`echo $line | cut -d ';' -f10`
-        app_name=`echo $txt | sed -n "s/.*app_name=\([^\"]*\).*/\1/p"`
-        app_version=`echo $txt | sed -n "s/.*app_version=\([^\"]*\).*/\1/p"`
-        board=`echo $txt | sed -n "s/.*target_board=\([^\"]*\).*/\1/p"`
-        mem_size=`echo $txt | sed -n "s/.*mem_size=\([^\"]*\).*/\1/p"`
-        sdk_size=`echo $txt | sed -n "s/.*sdk_size=\([^\"]*\).*/\1/p"`
-
-        echo_pad "$counter" 4
-        echo_pad "$hostname" 25
-        echo_pad "http://$ip" 25
-        echo_pad "$app_name" 15
-        echo_pad "$app_version" 15
-        echo_pad "$board" 30
-        echo_pad "$mem_size" 10
-        echo_pad "$sdk_size" 10
-        echo
-
-    done
-
-    echo
-
-}
-
-# ------------------------------------------------------------------------------
-
-# Welcome
-echo
-echo "--------------------------------------------------------------"
-echo "OTA-UPDATABLE DEVICES"
-echo "--------------------------------------------------------------"
-echo
-
-if exists avahi-browse; then
-    useAvahi
-else
-    echo "Avahi not installed"
-    exit 1
-fi
diff --git a/code/requirements.txt b/code/requirements.txt
new file mode 100644
index 00000000..f8acf8d1
--- /dev/null
+++ b/code/requirements.txt
@@ -0,0 +1,7 @@
+enum-compat==0.0.2
+enum34==1.1.6
+netifaces==0.10.6
+ordereddict==1.1
+six==1.11.0
+sortedcontainers==1.5.9
+zeroconf==0.19.1