Add toggle for web ui python3; add functions for touch and delete_file

rootfs/standard/etc/systemd/system/www.service

@@ -15,7 +15,8 @@ RestartSec=10
 Nice=-15
 IOAccounting=true
 IOWeight=2000
-ExecStart=/usr/bin/python2.7 /var/www/mynode/mynode.py
+ExecStart=/usr/bin/mynode_www.sh
+#ExecStart=/usr/bin/python2.7 /var/www/mynode/mynode.py
 # Future
 #ExecStart=python3 /var/www/mynode/mynode.py
 User=root

rootfs/standard/usr/bin/mynode_www.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ -f /home/bitcoin/.mynode/.www_use_python3 ]; then
+    exec /usr/local/bin/python3 /var/www/mynode/mynode.py
+else
+    exec /usr/bin/python2.7 /var/www/mynode/mynode.py
+fi

rootfs/standard/var/www/mynode/application_info.py

@@ -22,8 +22,7 @@ def reinstall_app(app):
         # Clear app data
         clear_application_cache()
 
-        os.system("touch /tmp/skip_base_upgrades")
+        touch("/tmp/skip_base_upgrades")
-        os.system("sync")
 
         # Reinstall
         os.system("mkdir -p /home/admin/upgrade_logs")
@@ -169,8 +168,7 @@ def clear_application_cache():
     mynode_applications = None
 
 def trigger_application_refresh():
-    os.system("touch /tmp/need_application_refresh")
+    touch("/tmp/need_application_refresh")
-    os.system("sync")
 
 def need_application_refresh():
     global mynode_applications

rootfs/standard/var/www/mynode/bitcoin_info.py

@@ -249,9 +249,7 @@ def is_bip158_enabled():
     return False
 
 def enable_bip158():
-    os.system("touch /mnt/hdd/mynode/settings/.bip158_enabled")
+    touch("/mnt/hdd/mynode/settings/.bip158_enabled")
-    os.system("sync")
 
 def disable_bip158():
-    os.system("rm /mnt/hdd/mynode/settings/.bip158_enabled")
+    delete_file("/mnt/hdd/mynode/settings/.bip158_enabled")
-    os.system("sync")

rootfs/standard/var/www/mynode/device_info.py

@@ -76,7 +76,7 @@ def check_and_mark_reboot_action(tmp_marker):
     if os.path.isfile("/tmp/{}".format(tmp_marker)):
         flash(u'Refresh prevented - action already triggered', category="error")
         raise RequestRedirect("/")
-    os.system("touch /tmp/{}".format(tmp_marker))
+    otouch("/tmp/{}".format(tmp_marker))
 
 def reload_throttled_data():
     global cached_data
@@ -150,8 +150,7 @@ def get_latest_beta_version():
     return beta_version
 
 def mark_upgrade_started():
-    os.system("touch /tmp/upgrade_started")
+    touch("/tmp/upgrade_started")
-    os.system("sync")
 
 def is_upgrade_running():
     return os.path.isfile("/tmp/upgrade_started") 
@@ -294,8 +293,8 @@ def get_device_type():
     if "device_type" in cached_data:
         return cached_data["device_type"]
     
-    device = subprocess.check_output("mynode-get-device-type", shell=True).strip()
+    device = to_string(subprocess.check_output("mynode-get-device-type", shell=True).strip())
-    cached_data["device_type"] = to_string(device)
+    cached_data["device_type"] = device
     return device
 
 def get_device_arch():
@@ -303,8 +302,8 @@ def get_device_arch():
     if "device_arch" in cached_data:
         return cached_data["device_arch"]
 
-    arch = subprocess.check_output("uname -m", shell=True).decode("utf-8").strip()
+    arch = to_string(subprocess.check_output("uname -m", shell=True).decode("utf-8").strip())
-    cached_data["device_arch"] = to_string(arch)
+    cached_data["device_arch"] = arch
     return arch
 
 def get_device_ram():
@@ -312,8 +311,8 @@ def get_device_ram():
     if "ram" in cached_data:
         return cached_data["ram"]
 
-    ram = subprocess.check_output("free --giga | grep Mem | awk '{print $2}'", shell=True).strip()
+    ram = to_string(subprocess.check_output("free --giga | grep Mem | awk '{print $2}'", shell=True).strip())
-    cached_data["ram"] = to_string(ram)
+    cached_data["ram"] = ram
     return ram
 
 def get_local_ip():
@@ -550,9 +549,9 @@ def is_https_forced():
 
 def force_https(force):
     if force:
-        os.system("touch /home/bitcoin/.mynode/https_forced")
+        touch("/home/bitcoin/.mynode/https_forced")
     else:
-        os.system("rm -f /home/bitcoin/.mynode/https_forced")
+        delete_file("/home/bitcoin/.mynode/https_forced")
 
 # Regen cert
 def regen_https_cert():
@@ -594,9 +593,18 @@ def get_randomize_balances():
 
 def set_randomize_balances(randomize):
     if randomize:
-        os.system("touch /home/bitcoin/.mynode/randomize_balances")
+        touch("touch /home/bitcoin/.mynode/randomize_balances")
     else:
-        os.system("rm -f /home/bitcoin/.mynode/randomize_balances")
+        delete_file("rm -f /home/bitcoin/.mynode/randomize_balances")
+
+def is_www_python3():
+    return os.path.isfile('/home/bitcoin/.mynode/.www_use_python3')
+
+def set_www_python3(use_python3):
+    if use_python3:
+        touch("/home/bitcoin/.mynode/.www_use_python3")
+    else:
+        delete_file("/home/bitcoin/.mynode/.www_use_python3")
 
 #==================================
 # Web Server Functions
@@ -611,9 +619,9 @@ def restart_flask():
 def is_uploader():
     return os.path.isfile("/mnt/hdd/mynode/settings/uploader")
 def set_uploader():
-    os.system("touch /mnt/hdd/mynode/settings/uploader")
+    touch("/mnt/hdd/mynode/settings/uploader")
 def unset_uploader():
-    os.system("rm -rf /mnt/hdd/mynode/settings/uploader")
+    delete_file("/mnt/hdd/mynode/settings/uploader")
 
 
 #==================================
@@ -622,10 +630,9 @@ def unset_uploader():
 def is_quicksync_enabled():
     return not os.path.isfile("/mnt/hdd/mynode/settings/quicksync_disabled")
 def disable_quicksync():
-    os.system("touch /mnt/hdd/mynode/settings/quicksync_disabled")
+    touch("/mnt/hdd/mynode/settings/quicksync_disabled")
-    os.system("sync")
 def enable_quicksync():
-    os.system("rm -rf /mnt/hdd/mynode/settings/quicksync_disabled")
+    delete_file("/mnt/hdd/mynode/settings/quicksync_disabled")
 
 def settings_disable_quicksync():
     disable_quicksync()
@@ -675,11 +682,11 @@ def get_quicksync_log():
 # Product Key Functions
 #==================================
 def set_skipped_product_key():
-    os.system("touch /home/bitcoin/.mynode/.product_key_skipped")
+    touch("/home/bitcoin/.mynode/.product_key_skipped")
-    os.system("touch /mnt/hdd/mynode/settings/.product_key_skipped")
+    touch("/mnt/hdd/mynode/settings/.product_key_skipped")
 def unset_skipped_product_key():
-    os.system("rm -rf /home/bitcoin/.mynode/.product_key_skipped")
+    delete_file("/home/bitcoin/.mynode/.product_key_skipped")
-    os.system("rm -rf /mnt/hdd/mynode/settings/.product_key_skipped")
+    delete_file("/mnt/hdd/mynode/settings/.product_key_skipped")
 def skipped_product_key():
     return os.path.isfile("/home/bitcoin/.mynode/.product_key_skipped") or \
            os.path.isfile("/mnt/hdd/mynode/settings/.product_key_skipped")
@@ -687,8 +694,8 @@ def is_community_edition():
     return skipped_product_key()
 
 def delete_product_key():
-    os.system("rm -rf /home/bitcoin/.mynode/.product_key")
+    delete_file("/home/bitcoin/.mynode/.product_key")
-    os.system("rm -rf /mnt/hdd/mynode/settings/.product_key")
+    delete_file("/mnt/hdd/mynode/settings/.product_key")
 def has_product_key():
     return os.path.isfile("/home/bitcoin/.mynode/.product_key")
 def get_product_key():
@@ -739,10 +746,9 @@ def get_fsck_results():
 
 def set_skip_fsck(skip):
     if skip:
-        os.system("touch /home/bitcoin/.mynode/skip_fsck")
+        touch("/home/bitcoin/.mynode/skip_fsck")
     else:
-        os.system("rm -f /home/bitcoin/.mynode/skip_fsck")
+        delete_file("/home/bitcoin/.mynode/skip_fsck")
-    os.system("sync")
 def skip_fsck():
     return os.path.isfile("/home/bitcoin/.mynode/skip_fsck")
 
@@ -756,10 +762,10 @@ def has_sd_rw_error():
 def has_oom_error():
     return os.path.isfile("/tmp/oom_error")
 def clear_oom_error():
-    os.system("rm -f /tmp/oom_error")
+    delete_file("/tmp/oom_error")
-    os.system("rm -f /tmp/oom_info")
+    delete_file("/tmp/oom_info")
 def set_oom_error(oom_error):
-    os.system("touch /tmp/oom_error")
+    touch("/tmp/oom_error")
     set_file_contents("/tmp/oom_info", oom_error)
 def get_oom_error_info():
     try:
@@ -797,7 +803,7 @@ def get_docker_image_build_status_color():
 
 def reset_docker():
     # Delete docker data
-    os.system("touch /home/bitcoin/reset_docker")
+    touch("/home/bitcoin/reset_docker")
 
     # Reset marker files
     os.system("rm -f /mnt/hdd/mynode/settings/webssh2_version")
@@ -896,11 +902,9 @@ def delete_lnd_data():
 def is_testnet_enabled():
     return os.path.isfile("/mnt/hdd/mynode/settings/.testnet_enabled")
 def enable_testnet():
-    os.system("touch /mnt/hdd/mynode/settings/.testnet_enabled")
+    touch("/mnt/hdd/mynode/settings/.testnet_enabled")
-    os.system("sync")
 def disable_testnet():
-    os.system("rm -f /mnt/hdd/mynode/settings/.testnet_enabled")
+    delete_file("/mnt/hdd/mynode/settings/.testnet_enabled")
-    os.system("sync")
 def toggle_testnet(): 
     if is_testnet_enabled():
         disable_testnet()
@@ -983,15 +987,13 @@ def is_btcrpcexplorer_token_enabled():
     return True
 
 def enable_btcrpcexplorer_token():
-    os.system("rm -rf /mnt/hdd/mynode/settings/.btcrpcexplorer_disable_token")
+    delete_file("/mnt/hdd/mynode/settings/.btcrpcexplorer_disable_token")
-    os.system("sync")
     if is_service_enabled("btcrpcexplorer"):
         restart_service("btcrpcexplorer")
 
 
 def disable_btcrpcexplorer_token():
-    os.system("touch /mnt/hdd/mynode/settings/.btcrpcexplorer_disable_token")
+    touch("/mnt/hdd/mynode/settings/.btcrpcexplorer_disable_token")
-    os.system("sync")
     if is_service_enabled("btcrpcexplorer"):
         restart_service("btcrpcexplorer")
 
@@ -1009,23 +1011,19 @@ def is_btc_lnd_tor_enabled():
     return os.path.isfile("/mnt/hdd/mynode/settings/.btc_lnd_tor_enabled")
 
 def enable_btc_lnd_tor():
-    os.system("touch /mnt/hdd/mynode/settings/.btc_lnd_tor_enabled")
+    touch("/mnt/hdd/mynode/settings/.btc_lnd_tor_enabled")
-    os.system("sync")
 
 def disable_btc_lnd_tor():
-    os.system("rm -f /mnt/hdd/mynode/settings/.btc_lnd_tor_enabled")
+    delete_file("/mnt/hdd/mynode/settings/.btc_lnd_tor_enabled")
-    os.system("sync")
 
 def is_aptget_tor_enabled():
     return os.path.isfile("/mnt/hdd/mynode/settings/torify_apt_get")
 
 def enable_aptget_tor():
-    os.system("touch /mnt/hdd/mynode/settings/torify_apt_get")
+    touch("/mnt/hdd/mynode/settings/torify_apt_get")
-    os.system("sync")
 
 def disable_aptget_tor():
-    os.system("rm -f /mnt/hdd/mynode/settings/torify_apt_get")
+    delete_file("/mnt/hdd/mynode/settings/torify_apt_get")
-    os.system("sync")
 
 def get_onion_url_ssh():
     if is_community_edition(): return "not_available"

rootfs/standard/var/www/mynode/device_warnings.py

@@ -47,7 +47,7 @@ def is_warning_skipped(warning):
 def skip_warning(warning):
     global warning_data
     init_warning_data()
-    os.system("touch /tmp/warning_skipped_{}".format(warning))
+    touch("/tmp/warning_skipped_{}".format(warning))
 
 def is_warning_present():
     global warning_data

rootfs/standard/var/www/mynode/electrum_info.py

@@ -33,7 +33,7 @@ def update_electrs_info():
         bitcoin_block_height = get_bitcoin_block_height()
         if electrum_server_current_block != None and bitcoin_block_height != None:
             if electrum_server_current_block > bitcoin_block_height - 2:
-                os.system("touch /tmp/electrs_up_to_date")
+                touch("/tmp/electrs_up_to_date")
                 electrs_active = True
     except:
         pass

rootfs/standard/var/www/mynode/lightning_info.py

@@ -612,9 +612,7 @@ def is_watchtower_enabled():
     return False
 
 def enable_watchtower():
-    os.system("touch /mnt/hdd/mynode/settings/.watchtower_enabled")
+    touch("/mnt/hdd/mynode/settings/.watchtower_enabled")
-    os.system("sync")
 
 def disable_watchtower():
-    os.system("rm /mnt/hdd/mynode/settings/.watchtower_enabled")
+    delete_file("/mnt/hdd/mynode/settings/.watchtower_enabled")
-    os.system("sync")

rootfs/standard/var/www/mynode/mynode.py

@@ -205,7 +205,7 @@ def index():
         return render_template('state.html', **templateData)
     elif status == STATE_DRIVE_CONFIRM_FORMAT:
         if request.args.get('format'):
-            os.system("touch /tmp/format_ok")
+            touch("/tmp/format_ok")
             time.sleep(1)
             return redirect("/")
 
@@ -291,11 +291,11 @@ def index():
         elif clone_state == CLONE_STATE_NEED_CONFIRM:
             # Clone was confirmed
             if request.args.get('clone_confirm'):
-                os.system("touch /tmp/.clone_confirm")
+                touch("/tmp/.clone_confirm")
                 time.sleep(3)
                 return redirect("/")
             if request.args.get('clone_rescan'):
-                os.system("touch /tmp/.clone_rescan")
+                touch("/tmp/.clone_rescan")
                 time.sleep(3)
                 return redirect("/")
 

rootfs/standard/var/www/mynode/settings.py

@@ -45,8 +45,8 @@ def page_settings():
     upload_rate = 100
     download_rate = 100
     try:
-        upload_rate = subprocess.check_output(["cat","/mnt/hdd/mynode/settings/quicksync_upload_rate"])
+        upload_rate = to_string(subprocess.check_output(["cat","/mnt/hdd/mynode/settings/quicksync_upload_rate"]))
-        download_rate = subprocess.check_output(["cat","/mnt/hdd/mynode/settings/quicksync_background_download_rate"])
+        download_rate = to_string(subprocess.check_output(["cat","/mnt/hdd/mynode/settings/quicksync_background_download_rate"]))
     except:
         upload_rate = 100
         download_rate = 100
@@ -85,6 +85,7 @@ def page_settings():
         "is_testnet_enabled": is_testnet_enabled(),
         "is_quicksync_disabled": not is_quicksync_enabled(),
         "netdata_enabled": is_service_enabled("netdata"),
+        "www_python3": is_www_python3(),
         "randomize_balances": get_randomize_balances(),
         "is_uploader_device": is_uploader(),
         "download_rate": download_rate,
@@ -513,8 +514,7 @@ def open_clone_tool_page():
 
     check_and_mark_reboot_action("open_clone_tool")
 
-    os.system("touch /home/bitcoin/open_clone_tool")
+    touch("/home/bitcoin/open_clone_tool")
-    os.system("sync")
 
     # Trigger reboot
     t = Timer(1.0, reboot_device)
@@ -603,7 +603,7 @@ def format_external_drive_page():
     else:
         check_and_mark_reboot_action("format_external_drive")
 
-        os.system("touch /home/bitcoin/.mynode/force_format_prompt")
+        touch("/home/bitcoin/.mynode/force_format_prompt")
 
         templateData = {
             "title": "myNode",
@@ -1080,6 +1080,23 @@ def page_clear_oom_error():
     flash("Warning Cleared", category="message")
     return redirect("/settings")
 
+@mynode_settings.route("/settings/enable_www_python3")
+def page_enable_enable_www_python3():
+    check_logged_in()
+    
+    enable = request.args.get('enable')
+    if enable == "1":
+        set_www_python3(True)
+    else:
+        set_www_python3(False)
+
+    # Restart web server
+    t = Timer(3.0, restart_service, ["www"])
+    t.start()
+
+    flash("WWW Python 3 Setting Updated", category="message")
+    return redirect("/settings")
+
 @mynode_settings.route("/settings/enable_randomize_balances")
 def page_enable_enable_randomize_balances():
     check_logged_in()

rootfs/standard/var/www/mynode/templates/settings.html

@@ -430,6 +430,21 @@
                     }
                 });
 
+                $('#www_python3_checkbox').change(function () {
+                    $("#www_python3_button").show();
+                });
+                $("#www_python3_button").on("click", function() {
+                    enabled=$('#www_python3_checkbox').is(":checked")
+                    if (enabled)
+                    {
+                        window.location.href='/settings/enable_www_python3?enable=1'
+                    }
+                    else
+                    {
+                        window.location.href='/settings/enable_www_python3?enable=0'
+                    }
+                });
+
                 $('#randomize_balances_checkbox').change(function () {
                     $("#randomize_balances_button").show();
                 });
@@ -1158,6 +1173,18 @@
                 <div class="divider"></div>
             {% endif %}
 
+            <div class="settings_block_subheader">Use Python 3 for Web Interface</div>
+            This will use the beta version of the web UI, which relies on python 3.
+            <br/><br/>
+            <label class="switch">
+                <input type="checkbox" id="www_python3_checkbox" {% if www_python3 %}checked{% endif %}>
+                <span class="slider round"></span>
+            </label>
+            <br/><br/>
+            <button id="www_python3_button" style="display: none;" class="ui-button ui-widget ui-corner-all settings_button_small">Save</button>
+
+            <div class="divider"></div>
+
             <div class="settings_block_subheader">Randomize Balances</div>
             This shows random balances for taking screenshots and testing the interface.
             <br/><br/>

rootfs/standard/var/www/mynode/utilities.py

@@ -41,6 +41,26 @@ def unquote_plus(s):
 #==================================
 # Utilities
 #==================================
+def touch(file_path):
+    # In rare cases, touch seems to fail, so try both python and system call
+    # Touch via python
+    if os.path.exists(file_path):
+        os.utime(file_path, None)
+    else:
+        open(file_path, 'a').close()
+    # Touch via system
+    os.system("touch {}".format(file_path))
+    # Sync
+    os.system("sync")
+
+def delete_file(file_path):
+    try:
+        if os.path.exists(file_path):
+            os.remove(file_path)
+            os.system("rm -f {}".format(file_path))
+    except Exception as e:
+        log_message("FAILED TO DELETE {}".format(file_path))
+    
 def get_file_contents(filename):
     contents = "UNKNOWN"
     try: