abot | Cross Platform C # web crawler framework | Crawler library
kandi X-RAY | abot Summary
kandi X-RAY | abot Summary
Abot is an open source C# web crawler framework built for speed and flexibility. It takes care of the low level plumbing (multithreading, http requests, scheduling, link parsing, etc..). You just register for events to process the page data. You can also plugin your own implementations of core interfaces to take complete control over the crawl process. Abot Nuget package version >= 2.0 targets Dotnet Standard 2.0 and Abot Nuget package version < 2.0 targets .NET version 4.0 which makes it highly compatible with many .net framework/core implementations.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of abot
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Trending Discussions on abot
QUESTION
To read a file from usb device used 'usb' package but im not able to import that package.
**But in my python and virtual environment there is usb module installed and it present there but still im getting this error **
Im trying to read file from my usb storage using 'usb' package
Simple i need to read the file inside my usb using python (the file located inside the usb)and i don't understand abot this error"These are the installed packages
...ANSWER
Answered 2022-Mar-25 at 10:591 .First make sure that you are installed this package under the right ven if not please install on that environment 2. sometimes its happens like this so just restart the pycharm and re-run the code
QUESTION
I want to crawl my SPA built by the Vue framework (Relatively same as React framework). However, I see that the content is not rendered while crawling. The result is:
...ANSWER
Answered 2022-Mar-06 at 01:56All Abot does is send a request to the target website, parse the data, and pass it back to you. As you probably know, frameworks like React or Vue are 100% JavaScript based, meaning no data will be rendered unless you run the JavaScript. So the solution here is to launch a headless browser or another DOM engine and scrape the data.
Several engines you could use are Selenium (browser automation framework available in Python and some other languages), Puppeteer (Chromium-based web-scraper in NodeJS), or a DOM engine like JSDOM.
Moral of the story is: if you want to see result rendered by JavaScript you must execute the JavaScript inside a DOM.
QUESTION
I found this help command from GitHub and put it in my code. I checked all errors and under those errors was the error that config was not defined. How do I fix it?
Link to GitHub: https://gist.github.com/nonchris/1c7060a14a9d94e7929aa2ef14c41bc2
Code (it's a long code, I know):
...ANSWER
Answered 2021-Feb-11 at 18:29A config.py file is a file you use to set configurations to your code easily. On the code you sent, it's used to identify a couple of key attributes. If the original creator hasn't posted the config.py on the github, you can probably do it yourself. First, you will create a .py fle named config, and then you will write on there the attributes that this code calls using config. For example, in one part of the code, we have this:
QUESTION
I want to create application in WPF wchich will scrap information from webpage
I read link to the page from text box at the top
I want to extract company name from h6
I don't understand that format:"//h2[@class='card__title mdc-typography--headline6']". I could't find documentation abot meaning @ [] etc. to create another filters to scrap other data for example phone number from tag.
...ANSWER
Answered 2020-Jun-05 at 10:41The @, //, ... represent abbreviated syntax for XPath selectors.
@abcis short forattribute::abc//is short for/descendant-or-self::node()/
So, in other terms, your current query //h2[@class='card__title mdc-typography--headline6'] represents the action of finding the first descendant- or self-node that has a class attribute of card__title mdc-typography--headline6.
QUESTION
$(function() {
$("#jqGrid").jqGrid({
url: "/Student/GetStudents",
datatype: 'json',
mtype: 'Get',
colNames: ['StudentId', 'FirstName', 'LastName', 'Gender', 'Class'],
colModel: [{
key: true,
hidden: true,
name: 'StudentId',
index: 'StudentId',
editable: true
},
{
key: false,
name: 'FirstName',
index: 'FirstName',
editable: true
},
{
key: false,
name: 'LastName',
index: 'LastName',
editable: true
},
{
key: false,
name: 'Gender',
index: 'Gender',
editable: true,
edittype: 'select',
editoptions: {
value: {
'M': 'Male',
'F': 'Female',
'N': 'None'
}
}
},
{
key: false,
name: 'Class',
index: 'Class',
editable: true,
edittype: 'select',
editoptions: {
value: {
'1': '1st Class',
'2': '2nd Class',
'3': '3rd Class',
'4': '4th Class',
'5': '5th Class'
}
}
}
],
pager: jQuery('#jqControls'),
rowNum: 10,
sortname: 'StudentId',
sortorder: 'asc',
rowList: [10, 20, 30, 40, 50],
height: '100%',
viewrecords: true,
subGrid: true,
iconSet: "fontAwesome",
multiSort: true,
sortable: true,
loadonce: true,
additionalProperties: ['Class', 'ClassLang'],
autoencode: true,
cmTemplate: {
autoResizable: true
},
autoresizeOnLoad: true,
autowidth: true,
autoResizing: {
//resetWidthOrg: true,
compact: true
},
caption: 'Students Records',
emptyrecords: 'No Students Records are Available to Display',
jsonReader: {
root: "rows",
page: "page",
total: "total",
records: "records",
repeatitems: false,
Id: "0"
},
multiselect: false,
subGridRowExpanded: function(subgrid_id, row_id) {
var subgrid_table_id;
subgrid_table_id = subgrid_id + "_t";
jQuery("#" + subgrid_id).html("");
jQuery("#" + subgrid_table_id).jqGrid({
//url: "/Student/GetStudentsMarks?RowId=" + row_id,
// data: { 'RowId': row_id },
datatype: function(pdata) {
getDataSubGrid(pdata, row_id);
},
mtype: 'Get',
colNames: ['Id', 'StudentId', 'SubjectId', 'Subject', 'Marks'],
colModel: [{
key: true,
hidden: true,
align: "right",
name: 'Id',
index: 'Id',
editable: true
},
{
key: true,
hidden: true,
align: "right",
name: 't.StudentsId.StudentId',
index: 't.StudentsId.StudentId',
editable: true
},
{
key: true,
hidden: true,
align: "right",
name: 'SubjectId',
index: 'SubjectId',
editable: true
},
{
key: false,
Name: 'Subject',
index: 'Subject',
editable: true,
edittype: 'select',
editoptions: {
value: {
'1': 'Maths',
'2': 'English',
'3': 'Physics'
}
}
},
{
key: false,
name: 'Marks',
align: "right",
index: 'Marks',
editable: true
}
],
pager: jQuery('#jqControlsSub'),
height: '100%',
rowNum: 20,
sortname: 'StudentId',
sortorder: 'asc',
rowList: [10, 20, 30, 40, 50],
viewrecords: true
}).navGrid('#jqControlsSub', {
edit: true,
add: true,
del: true,
search: true,
refresh: true
}, {
zIndex: 100,
url: '/Subjects/EditSub',
closeOnEscape: true,
closeAfterEdit: true,
recreateForm: true,
afterComplete: function(response) {
if (response.responseText) {
alert(response.responseText);
location.reload(true);
}
}
}, {
zIndex: 100,
url: "/Subjects/CreateSub",
closeOnEscape: true,
closeAfterAdd: true,
afterComplete: function(response) {
if (response.responseText) {
alert(response.responseText);
location.reload(true);
}
}
}, {
zIndex: 100,
url: "/Subjects/DeleteSub",
closeOnEscape: true,
closeAfterDelete: true,
recreateForm: true,
msg: "Are you sure you want to delete ... ? ",
afterComplete: function(response) {
if (response.responseText) {
alert(response.responseText);
}
}
});
}
})
function getDataSubGrid(pData, row_id) {
gridId = "table_t";
$.ajax({
type: 'GET',
url: "/Student/GetStudentsMarks?RowId=" + row_id,
dataType: "json",
success: function(data, textStatus) {
console.log(data);
ReceivedClientData(JSON.parse(getMain(data)).rows);
},
error: function(data, textStatus) {
alert('An error has occured retrieving data subgrid!');
}
});
}
function getMain(dObj) {
if (dObj.hasOwnProperty('d'))
return dObj.d;
else
return dObj;
}
});
[HttpPost]
public string CreateSub(Models.StudentSubjectInfo Model) {
DataContext.SchoolContext db = new DataContext.SchoolContext();
string msg;
try {
if (ModelState.IsValid) {
db.StudentSubjectInfos.Add(Model);
db.SaveChanges();
msg = "Saved Successfully";
} else {
msg = "Validation data not successfully";
}
} catch (Exception ex) {
msg = "Error occured:" + ex.Message;
}
return msg;
}
public string EditSub(Models.StudentSubjectInfo Model) {
DataContext.SchoolContext db = new DataContext.SchoolContext();
string msg;
try {
if (ModelState.IsValid) {
db.Entry(Model).State = EntityState.Modified;
db.SaveChanges();
msg = "Saved Successfully";
} else {
msg = "Validation data not successfully";
}
} catch (Exception ex) {
msg = "Error occured:" + ex.Message;
}
return msg;
}
ANSWER
Answered 2020-May-14 at 00:06-- JS section
QUESTION
I have a dataframe a with row names. The row names are unique string names, something like this:
ANSWER
Answered 2020-Mar-19 at 14:08EDIT I reproduced your error, you need to add the drop = FALSE option in your subsetting to get a data.frame as result and not a vector :
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