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How to get variable value from Javascript using Selenium with Python

Using Selenium, the following is the code I am running on Python to get my geo-coordinates via use of the navigator web api:
coordinates = driver.execute_script(
" return () => { " +
" var savedCoordinates; " +
" " +
" navigator.geolocation.getCurrentPosition( " +
" (pos) => savedCoordinates = pos.coords, " +
" error, " +
" options); " +
" " +
" let options = { " +
" enableHighAccuracy: true, " +
" timeout: 5000, " +
" maximumAge: 0 " +
" }; " +
" " +
" function error(err) { " +
" console.warn(`ERROR(${err.code}): ${err.message}`); " +
" }; " +
" " +
" return savedCoordinates; " +
" } " )
print(coordinates)
Expected output: {latitude: XXX.XXX, longitude XX.XXXX}
Actual output: {}
Can someone help me figure out how I can get my geo-coordinates using this method?

It should work without return () => { }
coordinates = driver.execute_script(
" var savedCoordinates; " +
" " +
" navigator.geolocation.getCurrentPosition( " +
" (pos) => savedCoordinates = pos.coords, " +
" error, " +
" options); " +
" " +
" let options = { " +
" enableHighAccuracy: true, " +
" timeout: 5000, " +
" maximumAge: 0 " +
" }; " +
" " +
" function error(err) { " +
" console.warn(`ERROR(${err.code}): ${err.message}`); " +
" }; " +
" " +
" return savedCoordinates; " )
print(coordinates)
As for me this () => {} only defines function but it doesn't run it - so it returns this function, not result from function. You may need () to run it
return (() => {...code...})()

Why does my code display "player not found"?

So I have this command that's supposed to display a player's stats if it's found and says player not found otherwise. After I search a player and go to the previous screen, I get "player not found". I thought it was because my loop continues running after the player is found and my boolean becomes false, so I added a break statement. Won't work
function Search(Table, Stat1, Stat2, Stat3, Stat4, Stat5) {
onEvent("Search2.btn", "click", function() {
readRecords(Table, {}, function(records) {
var SearchPlayer = getText("text_input1");
var found = false;
for (var i = 0; i < records.length; i++) {
if ((records[i]).Player == SearchPlayer) {
setScreen("DisplaySearch");
setText("label3", records[i].Player + " Stats" + "\n" + records[i][Stat1] + " " + Stat1 + "\n" + records[i][Stat2] + " " + Stat2 + "\n" + records[i][Stat3] + " " + Stat3 + "\n" + records[i][Stat4] + " " + Stat4 + "\n" + records[i][Stat5] + " " + Stat5 + "\n");
setText("text_input1", "");
setText("label5", "");
found = true;
break;
} else if ((found == false)) {
setText("label5", "Player Not Found");
}
}
});
});

Posting from multiple dynamically created HTML textarea elements

Given the following snippet:
out.println("<form action=" + "./post" + " " + "method=" + "post" + " " + "id=" + "tweetForm" + ">");
for (int i = 1; i <= twParser.currentTweetIndex; i++) {
output = twParser.tweetArray[i] + newLine;
out.println("<p>");
out.println("<textarea" + " " + "name=text" + " " + "id=\"styled\"" + " " + "maxlength=140" + " " + "cols=" + "140" + " " + "rows=" + "1" + " " + "tag=" + "text_" + String.valueOf(i) + " " + "form=" + "tweetForm" + " " + "onfocus=\"setbg('#e5fff3');\" onblur=\"setbg('white')\"" + ">" + output + "</textarea>");
out.println("<span class=label-style-countdown" + " " + "id=" + "chars" + String.valueOf(i) + ">" + String.valueOf(140 - twParser.tweetArray[i].length()) + "</span> characters remaining");
out.println("<p>");
}
out.println("<input type=" + "submit" + " " + "name=" + "post" + " " + "value=" + "post" + " " + "style=\"float: left;\"" + "/>");
out.println("<button type=\"reset\" value=\"Reset\">Reset</button>"
...that creates HTML multiple textarea elements and posts them to a servlet. But since all the textareas have the same name, only the contents of the first textarea are posted.
Is there a way to post them all?
Thanks

To have multiple inputs from same name you can use name array like
<textarea name="text[]">You text here</textarea>
which will post all the values having same name as an array.
PS: This can be done with any input types expect radio buttons

On this line:
out.println("<textarea" + " " + "name=text" + " " ...
Append i to the name of the textarea, such that the names increase as text1, text2 etc.
out.println("<textarea" + " " + "name=text" + i.toString() + " " ...
Perform the same loop on the server when receiving the POST request to receive from each textarea.

Android Lollipop WebView does not show <iframe> content

I receive from the server xhtml code which I want to show in Android app like ebook reader. For this the Monocle library was chosen.
Next I prepare webview with follow code:
contentView.addJavascriptInterface(new LectureJSInterface(), "Android");
contentView.getSettings().setAllowFileAccess(true);
contentView.getSettings().setJavaScriptEnabled(true);
contentView.setBackgroundColor(0xFFECECEC);
contentView.setWebChromeClient(new WebChromeClient());
contentView.setWebViewClient(new WebViewClient() {
#Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
Global.dismissProgressDialog();
}
});
After this I download the xhtml code from the server and add to it JS code for working with Monocle:
private String prepareCode(String code) {
if ((code == null) || code.equals("")) return "";
String newCode = code.substring(code.indexOf("<html"), code.indexOf("<head>")+6);
newCode = newCode.concat(
"<script src=\"file:///android_asset/monocore.js\"></script>\n" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"file:///android_asset/monocore.css\" />\n" +
"<style>\n" +
" #reader {\n" +
" width: 100%;\n" +
" height: 100%;\n" +
" border: 0px solid #000;\n" +
" }\n" +
"</style>\n" +
"<script>\n" +
"\n" +
" var isNightMode = false;\n" +
" var isFirstLoading = false;\n" +
" var startPageNumber = 1;\n" +
"\n" +
" function setSettingsForFirstLoading(fontSize, pageNumber, nightMode) {\n" +
" Android.printLogInfo('setSettingsForFirstLoading()');\n" +
" isFirstLoading = true;\n" +
" isNightMode = nightMode;\n" +
" startPageNumber = pageNumber;\n" +
" window.changeFontSize(fontSize);\n" +
" }\n" +
"\n" +
" function changeFontSize(fontSize) {\n" +
" Android.printLogInfo('changeFontSize()');\n" +
" window.reader.formatting.setFontScale(fontSize);\n" +
" }\n" +
"\n" +
" function nightModeOn() {\n" +
" Android.printLogInfo('nightModeOn()');\n" +
" isNightMode = true;\n" +
" var i = 0;\n" +
" var frame;\n" +
" while (frame = window.reader.dom.find('component', i++)) {\n" +
" frame.contentDocument.body.style.backgroundColor = '#1F1F1F';\n" +
" frame.contentDocument.body.style.color = '#ECECEC';\n" +
" }\n" +
" }\n" +
"\n" +
" function nightModeOff() {\n" +
" Android.printLogInfo('nightModeOff()');\n" +
" isNightMode = false;\n" +
" var i = 0;\n" +
" var frame;\n" +
" while (frame = window.reader.dom.find('component', i++)) {\n" +
" frame.contentDocument.body.style.backgroundColor = '#ECECEC';\n" +
" frame.contentDocument.body.style.color = '#1F1F1F';\n" +
" }\n" +
" }\n" +
"\n" +
" function turnPage(pageNumber) {\n" +
" Android.printLogInfo('turnPage(' + pageNumber + ')');\n" +
" window.reader.moveTo({ page: pageNumber });\n" +
" }\n" +
"\n" +
" function savePercents() {\n" +
" Android.printLogInfo('savePercents()');\n" +
" Android.savePercents(window.reader.getPlace().percentAtTopOfPage());\n" +
" }\n" +
"\n" +
" function moveToPercents(percent) {\n" +
" Android.printLogInfo('moveToPercents(' + percent + ')');\n" +
" turnPage(window.reader.getPlace().pageAtPercentageThrough(percent));\n" +
" }\n" +
"\n" +
" function listenFor(evtName) {\n" +
" Monocle.Events.listen('reader', evtName, report);\n" +
" }\n" +
"\n" +
" function report(evt) {\n" +
" switch (evt.type) {\n" +
" case 'monocle:loaded':\n" +
" Android.calculateSeekBar(window.reader.getPlace().properties.component.lastPageNumber());\n" +
" break;\n" +
"\n" +
" case 'monocle:turn':\n" +
" Android.updatePagesCounter(window.reader.getPlace().pageNumber());\n" +
" break;\n" +
"\n" +
" case 'monocle:recalculated':\n" +
" if (isNightMode) nightModeOn();\n" +
" if (isFirstLoading) { isFirstLoading = false; turnPage(startPageNumber); }\n" +
" Android.calculateSeekBar(window.reader.getPlace().properties.component.lastPageNumber());\n" +
" Android.updatePagesCounter(window.reader.getPlace().pageNumber());\n" +
" break;\n" +
" }\n" +
" }\n" +
"\n" +
" function init() {\n" +
" var options = {\n" +
" flipper: Monocle.Flippers.Slider\n" +
" }\n" +
"\n" +
" listenFor('monocle:turn');\n" +
" listenFor('monocle:loaded');\n" +
" listenFor('monocle:recalculated');\n" +
"\n" +
" window.reader = Monocle.Reader('reader', null, options);\n" +
" }\n" +
"\n" +
" Monocle.Events.listen(window, 'load', init);\n" +
"</script>\n");
newCode = newCode.concat(code.substring(code.indexOf("<head>") + 6, code.indexOf("<body>") + 6));
newCode = newCode.concat("<div id=\"reader\">");
newCode = newCode.concat(code.substring(code.indexOf("<body>") + 6, code.indexOf("</body>")));
newCode = newCode.concat("</div>");
newCode = newCode.concat(code.substring(code.indexOf("</body>")));
return newCode;
}
After finishing this task the WebView loads it:
contentView.loadDataWithBaseURL(baseUrl, prepareCode(code), "text/html", "UTF-8", null);
What I have as results? I tested this app on six devices with Android 4.x and 5.x. On Android 4.x the entire content is shown correctly, but on Android 5.x I see a blank page. I should notice that the xhtml code was loaded because I can call JS-functions and get its results via JS Interface.
Are there any ideas about ways to fixing this bug?
Thanks in advance!

You can try uninstalling the webview system update.
or
Try monocle 2.3.1
or
https://github.com/joseph/Monocle/issues/259

Function in JavaScript that outputs concat url to YUI Chart Library Output

Trying to properly write a function in JavaScript that outputs a concat'd url to Chart Library Output (for chart re-rendering)... based on selected options in dropdown list.
Problem: I am not getting the chart to re-render with the concatenated url (which should be sent each time an option is selected in the dropdown).
JavaScript code in head:
function httpGet(theUrl)
{
var xmlHttp = null;
xmlHttp = new XMLHttpRequest(); // instantiate request
xmlHttp.open( "GET", theUrl, false ); // open url
xmlHttp.send( null ); // sending nothing
return xmlHttp.responseText; // return url's data as text
};
function selectFabric(){
var urlString = "http://localhost:8083/tbl/sparqlmotion?id=LiabilityChart&arg1=";
var fabrics = document.getElementById('fabrics');
var selectedFabric = fabrics.options[fabrics.selectedIndex];
var linkAddTogether = [urlString + selectedFabric.value];
var linkResult = linkAddTogether[0];
var result = httpGet(linkResult);
if (selectedFabric.value != "nothing"){
return linkResult; // update begins // document.write(linkAddTogether)
};
};
function revive (key, value) {
if (value.datatype == "http://www.w3.org/2001/XMLSchema#double" || // if datatype is this
value.datatype == "http://www.w3.org/2001/XMLSchema#integer" || // or, this
value.datatype == "http://www.w3.org/2001/XMLSchema#float") // or, this
{
return (parseInt(value.value)) // if '#double', '#integer', or '#schema', then: 'vars' label + convert the datatype's float value to integer
}
else if (value.type == 'literal')
{
return (value.value) // if datatype's value is a literal: 'vars' label + return as a string
}
else if (value.datatype == 'http://www.w3.org/2001/XMLSchema#date')
{
return value.value // if "XMLSchema#date's" value is a literal: 'vars' label + return as a string
}
else
{
return value // if datatype is anything else: 'vars' label + return value as a string
}
};
var scriptHead = ["YUI().use('charts',function(Y){var myDataValues=\n\n["];
var scriptTail = ["\n];\n\nvar styleDef={series:{Stock:{line:{color:'#EEB647'},marker:{fill:{color:'#eee',alpha:0,wmode:'transparent'},border:{color:'#222',alpha:0,wmode:'transparent'},over:{fill:{color:'#eee'},border:{color:'#000'},width:9,height:9}}},Liability:{line:{color:'#171944'},marker:{fill:{color:'#eee',alpha:0,wmode:'transparent'},border:{color:'#222',alpha:0,wmode:'transparent'},over:{fill:{color:'#eee'},border:{color:'#000'},width:9,height:9}}},Shipment:{line:{color:'#ff0000',alpha:0,wmode:'transparent'},marker:{fill:{color:'#eee',alpha:0,wmode:'transparent'},border:{color:'#ff0000',alpha:0,wmode:'transparent'},over:{fill:{color:'#ff0000',alpha:0,wmode:'transparent'},border:{color:'#000',alpha:0,wmode:'transparent'},width:16,height:16}}},Production:{line:{color:'#FFD700',alpha:0,wmode:'transparent'},marker:{fill:{color:'#eee',alpha:0,wmode:'transparent'},border:{color:'#FFD700',alpha:0,wmode:'transparent'},over:{fill:{color:'#FFD700',alpha:0,wmode:'transparent'},border:{color:'#000',alpha:0,wmode:'transparent'},width:16,height:16}}},Order:{line:{color:'#006400',alpha:0,wmode:'transparent'},marker:{fill:{color:'#eee',alpha:0,wmode:'transparent'},border:{color:'#006400',alpha:0,wmode:'transparent'},over:{fill:{color:'#006400',alpha:0,wmode:'transparent'},border:{color:'#000',alpha:0,wmode:'transparent'},width:16,height:16}}}}};var myAxes={dateRange:{keys:['date'],position:'bottom',type:'category',title:'Date Range',styles:{majorTicks:{display:'none'},label:{rotation:-45,margin:{top:5}},title:{fontSize:'90%'}}}};var mychart=new Y.Chart({dataProvider:myDataValues,interactionType:'planar',render:'#mychart',categoryKey:'Date',styles:styleDef,categoryType:'time',horizontalGridlines:{styles:{line:{color:'#fff'}}},verticalGridlines:{styles:{line:{color:'#fff'}}}})});\n\n"];
var simpleHead = [scriptHead];
var simpleTail = [scriptTail];
var oldData = JSON.parse(result, revive);
HTML code for form (in body):
form style="width:200px; color:#333; padding-right:5px; padding-bottom:2px; padding-left:55px; margin-top:0px; clear:none;" name="properties" id="properties">
select style="width:160px; color:#333; clear:none; display:block;" name="fabrics" id="fabrics" onChange="selectFabric()">
option value="nothing">Select Fabric END option
option value="KOD23-4074-LV">KOD23-4074-LV END option
option value="SGOD2-2858-LV">SGOD2-2858-LV END option
option value="W-897-LV">W-897-LV END option
option value="FF-4084-LV">FF-4084-LV END option
END select
END form
JavaScript code for chart (write script in body to render YUI chart plug-in):
document.write('\x3Cscript type="text/javascript" id="source">');
document.write(simpleHead[0] + '\n{Date: "' + oldData.results.bindings[0].date + '", Liability: ' + oldData.results.bindings[0].liability + ", Stock: " + oldData.results.bindings[0].stock + ", " + oldData.results.bindings[0].event + ": " + oldData.results.bindings[0].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[1].date + '", Liability: ' + oldData.results.bindings[1].liability + ", Stock: " + oldData.results.bindings[1].stock + ", " + oldData.results.bindings[1].event + ": " + oldData.results.bindings[1].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[2].date + '", Liability: ' + oldData.results.bindings[2].liability + ", Stock: " + oldData.results.bindings[2].stock + ", " + oldData.results.bindings[2].event + ": " + oldData.results.bindings[2].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[3].date + '", Liability: ' + oldData.results.bindings[3].liability + ", Stock: " + oldData.results.bindings[3].stock + ", " + oldData.results.bindings[3].event + ": " + oldData.results.bindings[3].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[4].date + '", Liability: ' + oldData.results.bindings[4].liability + ", Stock: " + oldData.results.bindings[4].stock + ", " + oldData.results.bindings[4].event + ": " + oldData.results.bindings[4].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[5].date + '", Liability: ' + oldData.results.bindings[5].liability + ", Stock: " + oldData.results.bindings[5].stock + ", " + oldData.results.bindings[5].event + ": " + oldData.results.bindings[5].current + "}," + "\n\n");
document.write('\n{Date: "' + oldData.results.bindings[6].date + '", Liability: ' + oldData.results.bindings[6].liability + ", Stock: " + oldData.results.bindings[6].stock + ", " + oldData.results.bindings[6].event + ": " + oldData.results.bindings[6].current + "}" + simpleTail[0] + "\n\n");
document.write('\x3C/script>');