handle the version from the web site

openlp/core/__init__.py

@@ -153,10 +153,8 @@ class OpenLP(OpenLPMixin, QtWidgets.QApplication):
         self.processEvents()
         if not has_run_wizard:
             self.main_window.first_time()
-        # update_check = Settings().value('core/update check')
-        # if update_check:
-        #     version = VersionThread(self.main_window)
-        #     version.start()
+        version = VersionThread(self.main_window)
+        version.start()
         self.main_window.is_display_blank()
         self.main_window.app_startup()
         return self.exec()

openlp/core/api/tab.py

@@ -22,7 +22,7 @@
 
 from PyQt5 import QtCore, QtGui, QtNetwork, QtWidgets
 
-from openlp.core.common import UiStrings, Settings, translate
+from openlp.core.common import UiStrings, Registry, Settings, translate
 from openlp.core.lib import SettingsTab
 
 ZERO_URL = '0.0.0.0'
@@ -38,6 +38,7 @@ class ApiTab(SettingsTab):
         super(ApiTab, self).__init__(parent, 'api', advanced_translated)
         self.define_main_window_icon()
         self.generate_icon()
+        Registry().register_function('set_website_version', self.set_website_version)
 
     def setupUi(self):
         self.setObjectName('ApiTab')
@@ -93,7 +94,6 @@ class ApiTab(SettingsTab):
         self.user_login_group_box.setCheckable(True)
         self.user_login_group_box.setChecked(False)
         self.user_login_group_box.setObjectName('user_login_group_box')
-
         self.user_login_layout = QtWidgets.QFormLayout(self.user_login_group_box)
         self.user_login_layout.setObjectName('user_login_layout')
         self.user_id_label = QtWidgets.QLabel(self.user_login_group_box)
@@ -180,7 +180,6 @@ class ApiTab(SettingsTab):
 
     def retranslateUi(self):
         self.tab_title_visible = translate('RemotePlugin.RemoteTab', 'Remote Interface')
-
         self.server_settings_group_box.setTitle(translate('RemotePlugin.RemoteTab', 'Server Settings'))
         self.address_label.setText(translate('RemotePlugin.RemoteTab', 'Serve on IP address:'))
         self.port_label.setText(translate('RemotePlugin.RemoteTab', 'Port number:'))
@@ -306,3 +305,12 @@ class ApiTab(SettingsTab):
             painter.end()
         self.remote_server_icon.setPixmap(QtGui.QPixmap.fromImage(icon))
         self.remote_server_icon.show()
+
+    def set_website_version(self):
+        """
+        Update the website version when it has been downloaded
+        :return:
+        """
+        self.master_version_value.setText(Registry().get_flag('website_version'))
+        if self.master_version_value.text() == self.current_version_value.text():
+            self.update_site_group_box.setEnabled(False)

openlp/core/common/httputils.py

@@ -25,8 +25,10 @@ The :mod:`openlp.core.utils` module provides the utility libraries for OpenLP.
 import hashlib
 import logging
 import os
+import platform
 import socket
 import sys
+import subprocess
 import time
 import urllib.error
 import urllib.parse
@@ -254,4 +256,17 @@ def url_get_file(callback, url, f_path, sha256=None):
     return True
 
 
+def ping(host):
+    """
+    Returns True if host responds to a ping request
+    """
+    # Ping parameters as function of OS
+    ping_str = "-n 1" if  platform.system().lower()=="windows" else "-c 1"
+    args = "ping " + " " + ping_str + " " + host
+    need_sh = False if  platform.system().lower()=="windows" else True
+
+    # Ping
+    return subprocess.call(args, shell=need_sh) == 0
+
+
 __all__ = ['get_web_page']

openlp/core/common/versionchecker.py

@@ -12,7 +12,8 @@ from subprocess import Popen, PIPE
 
 from PyQt5 import QtCore
 
-from openlp.core.common import AppLocation, Settings
+from openlp.core.common import AppLocation, Registry, Settings
+from openlp.core.common.httputils import ping
 
 log = logging.getLogger(__name__)
 
@@ -42,6 +43,12 @@ class VersionThread(QtCore.QThread):
         """
         self.sleep(1)
         log.debug('Version thread - run')
+        found = ping("openlp.io")
+        Registry().set_flag('internet_present', found)
+        update_check = Settings().value('core/update check')
+        if found:
+            Registry().execute('get_website_version')
+            if update_check:
                 app_version = get_application_version()
                 version = check_latest_version(app_version)
                 log.debug("Versions {version1} and {version2} ".format(version1=LooseVersion(str(version)),

openlp/plugins/remotes/remoteplugin.py

@@ -27,7 +27,7 @@ from openlp.core.api.http import register_endpoint
 from openlp.core.common import AppLocation, Registry, OpenLPMixin, check_directory_exists
 from openlp.core.lib import Plugin, StringContent, translate, build_icon
 from openlp.plugins.remotes.endpoint import remote_endpoint
-from openlp.plugins.remotes.deploy import download_and_check
+from openlp.plugins.remotes.deploy import download_and_check, download_sha256
 
 log = logging.getLogger(__name__)
 __default_settings__ = {
@@ -48,6 +48,8 @@ class RemotesPlugin(Plugin, OpenLPMixin):
         self.weight = -1
         register_endpoint(remote_endpoint)
         Registry().register_function('download_website', self.first_time)
+        Registry().register_function('get_website_version', self.website_version)
+        Registry().set_flag('website_version', '0001_01_01')
 
     def initialise(self):
         """
@@ -91,3 +93,13 @@ class RemotesPlugin(Plugin, OpenLPMixin):
         self.application.process_events()
         download_and_check()
         self.application.process_events()
+
+    def website_version(self):
+        """
+        Download and save the website version and sha256
+        :return: None
+        """
+        sha256, version = download_sha256()
+        Registry().set_flag('website_sha256', sha256)
+        Registry().set_flag('website_version', version)
+        Registry().execute('set_website_version')

tests/functional/openlp_core_common/test_httputils.py

@@ -28,7 +28,7 @@ import socket
 from unittest import TestCase
 from unittest.mock import MagicMock, patch
 
-from openlp.core.common.httputils import get_user_agent, get_web_page, get_url_file_size, url_get_file
+from openlp.core.common.httputils import get_user_agent, get_web_page, get_url_file_size, url_get_file, ping
 
 from tests.helpers.testmixin import TestMixin
 
@@ -272,3 +272,29 @@ class TestHttpUtils(TestCase, TestMixin):
         # THEN: socket.timeout should have been caught
         # NOTE: Test is if $tmpdir/tempfile is still there, then test fails since ftw deletes bad downloaded files
         self.assertFalse(os.path.exists(self.tempfile), 'FTW url_get_file should have caught socket.timeout')
+
+    def test_ping_valid(self):
+        """
+        Test ping for OpenLP
+        """
+        # GIVEN: a valid url to test
+        url = "openlp.io"
+
+        # WHEN: Attempt to check the url exists
+        url_found = ping(url)
+
+        # THEN: It should be found
+        self.assertTrue(url_found, 'OpenLP.io is not found')
+
+    def test_ping_invalid(self):
+        """
+        Test ping for OpenLP
+        """
+        # GIVEN: a valid url to test
+        url = "trb143.io"
+
+        # WHEN: Attempt to check the url exists
+        url_found = ping(url)
+
+        # THEN: It should be found
+        self.assertFalse(url_found, 'TRB143.io is found')