cyborg | Python web scraping framework | Scraper library
kandi X-RAY | cyborg Summary
kandi X-RAY | cyborg Summary
Cyborg is an asyncio Python 3 web scraping framework that helps you write programs to extract information from websites by reading and inspecting their HTML.
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Top functions reviewed by kandi - BETA
- Scrape reviews
- Find matching pattern
- Converts css to xpath
- Scrape places
- Get a single element matching pattern
- Return True if the element has a class
- Perform a GET request
- Text content of document
- Gets the console monitor
cyborg Key Features
cyborg Examples and Code Snippets
Community Discussions
Trending Discussions on cyborg
QUESTION
How can i find out which bootstrap scss variable is used by rmarkdown / bslib to color page elements? e.g. for coloring the TOC background?
Here is a page's yaml
ANSWER
Answered 2022-Apr-03 at 21:53There are several ways, but the easiest might be to use developer tools. You can do this in RStudio or your browser. After knitting, right-click and select "Inspect Element," "Inspect," or something along those lines (different browsers use slightly different names).
Either your screen will shift to fit this new view, or you'll see a new window open.
In RStudio, the top left of the window has a box/arrow symbol. Click it on (it turns green for me).
Then move your cursor to the viewer pane, to the element in your RMD output that you want to know more about. Select the element by clicking on it two times (not double-click, more like 'select' and 'ya, I'm sure...').
Return to the inspector window. You're going to see something is highlighted. That's the HTML element for the element in your RMD output.
The style pane's content (on the right) has the styling—AKA CSS.
Next to the "Styles" header over the styles pane is "Computed." If you select "Computed," you'll get a summary of the applied styles.
My example RMD title is black:
This could look different depending on your browser and your OS, but the functionality is similar. If you have any questions, let me know.
UpdateFrom your comments, here are more specifics.
I started with the default RMD for bslib templates but replaced the YAML with the one provided in your question. I added some additional TOC elements and deleted a bit of the template. This is what I started with (hovering on one of the TOC elements to show the contrast).
Then I went to the inspector and selected the TOC two times. Then I returned to the inspector window to see what element was highlighted.
Next, I went to the Computed tab, and scrolled to the element background-color.
This told me what to look for and where to look. I could go to the inspector pane 'Source', but since you provided the link to the code in Github, I went there. I searched for "list-group." This is what I found there:
I can go back to the RMD and update my YAML now, like this:
QUESTION
My problem is I want to get the value of the date that was selected in the ttk.DateEntry widget. According to this documentation you need to use get_date() Docs
It may be that I am misunderstanding the usage of that but I get the following error
AttributeError: 'DateEntry' object has no attribute 'get_date'
I do use this library for styling ttkboostrap
Here is my code example:
...ANSWER
Answered 2022-Apr-01 at 07:30The document link is about tkcalendar.DateEntry
, however your code uses DateEntry
from ttkbootstrap
module instead of tkcalendar
module.
To get the date from ttkbootstrap.DateEntry
, you need to get the content from the internal Entry
widget using .get()
:
QUESTION
I wrote an app with Plotly Dash / Dash Bootstrap Components (dbc). It looked fine when using a light theme (Spacelab), but with dark themes (I tried Darkly and Cyborg), dropdowns and selects are not styled correctly - they should have a white background, but have a black one:
Here is the otherwise fully functioning code showcasing the problem:
...ANSWER
Answered 2022-Mar-17 at 11:09This was a bug and has been fixed in the most recent version (#1.0.2). If you encounter this bug, please run:
QUESTION
I am trying to build a basic webpage in Dash and Plotly, using callbacks to deliver stock graphs based on the pathname.
I would also like the graph to have a callback with radio buttons that specify the time period of data to display.
The graphs work fine however I would also like other pages to do other things and return different html but because I have specified the callback_layout in the @app.layout, it shows up on every page.
However, If I remove the callback_layout from @app.layout, I get an error in Dash saying "A nonexistent object was used in an Input
of a Dash callback an multipage app".
How would I solve this? I want the callback radio buttons under 'stock-period' to only show up when I need to pull up the Plotly graph
...ANSWER
Answered 2022-Mar-05 at 18:08To get the desired behavior you can just hide the chart radio buttons for all endpoints that do not build the stock price graph. To do this add the style attribute of the period-selector element as an output to your main callback as shown below.
QUESTION
I am currently attempting to build a list app in which the user inputs an item to the list, and the item entered displays on the page as well as gets pushed into an array called "items".
The part where the item is displayed on the page and gets pushed to the array works just fine, as well as removing the item from the page. Where I've been running into trouble is removing from the array. What happens is that when the item is removed from the DOM, the corresponding array element is not always removed.
It appears that simultaneously removing items from the page and the array is not so easy. And I need to push the items to an array, as this array will be used for something else, which I have already figured out.
Currently, I am attempting to use splice but that doesn't seem to work too well.
I have also tried re-writing this program to where the item gets pushed to the array first, and then, using a for loop, iterate over the array and have the items appear on the page.
The link below leads to a live version of the app in question. It's hosted on my Neocities account.
Thank you to anyone who can help!
https://chillaxin-cyborg.neocities.org/ListApp.html
Here is my code:
...ANSWER
Answered 2021-Nov-02 at 08:10I'm programming blindly here, so bare with me if the code isn't flawless.
What's wrong is the line let itemIndex = items.indexOf(item);
where you search an array of string with a node (sort of DOM object).
Instead, add a data-*
attribute to your
list
array.
I took the liberty of refactoring some of your code to make it more readable.
QUESTION
I am new here. I am a begginer with python so I am trying to write a code that allows me to remove the link break of a list in python.
I have the following list (which is more extense), but I will share a part of it.
...ANSWER
Answered 2021-Oct-31 at 16:54You can use list comprehension:
QUESTION
I'm currently working on my first real world application meant to make my lead's job at work a little easier. I volunteered to do it to challenge myself and try to learn new things, as I am new and need real world challenges to help me grow.
What I'm doing is building a browser based application using HTML, CSS, and Javascript (nothing fancy) and automate our crew rotation at work.
I have a working prototype, which was not difficult to write, the rotation function works as I envisioned when I first came up with this idea.
I have this prototype live online here: https://chillaxin-cyborg.neocities.org/Upstairs%20Crew%20Rotation%20(prototype)/Crew%20Rotation%202.html
Please excuse the styling, I haven't focused much on that as of yet (more concerned with functionality at the moment).
My question is what do I need to do in order to:
allow my lead to save the current rotation when he clicks the rotate button (rather than having the array revert back to its original order)
allow my lead to add or remove crew members and have those changes save as well.
I am guessing that I need to be using some kind of back-end technology for this to happen, right? Or is there another method I can use? I would like for this application to work offline, if at all possible.
Thank you
...ANSWER
Answered 2021-Oct-26 at 03:10You can use the browser's localstorage API to persist data across sessions, this won't work across computers though, that would require some backend work. Unfortunately for you, working with localstorage is a bit more tricky when using vanilla javascript as some libraries can be used to abstract the hard stuff away from you. here's some documentation to get you started
QUESTION
I am creating a shiny
app in which the user can select the plot
to view. I used this question as an approach, but I am getting an error. How can I fix this?
UI
...ANSWER
Answered 2021-Oct-02 at 06:50Here's a way -
QUESTION
I am new to SQL Server and I am trying to connect a localhost SQL Server. And I am having the following exception:
Cannot open database "MyDatabase" requested by the login.
The Login failed Login failed for user "MyCodingPC\Cyborg".
And also I don't understand why it is getting logged in via that username when I have specified another user in the connection string.
My connection string
...ANSWER
Answered 2021-Oct-01 at 13:09LocalDB cannot be used over TCP. So to accomplish my requirements I used SQLExpress instead.
LocalDB is supposed to work only for local access; remote access is not possible here.
QUESTION
I'm relatively new to Spectron and Jest and I can't figure out why the app isn't launching when I call app.start() in my unit test. Right now when I run npm test, the app won't start, eventually times out (even after 30 seconds) and always sends this error message:
Timeout - Async callback was not invoked within the 15000 ms timeout specified by jest.setTimeout.Error: Timeout - Async callback was not invoked within the 15000 ms timeout specified by jest.setTimeout. at mapper (node_modules/jest-jasmine2/build/queueRunner.js:27:45)
So far I've tried:
- making sure I'm using the correct versions of spectron and electron (11.0.0 and 9.0.0 respectively)
- running npm test from my root folder, my src folder, and my tests folder.
- deleting my node_modules folder, reinstalling everything, and rebuilding the app.
- using
path.join(__dirname, '../../', 'node_modules', '.bin', 'electron')
as my app.path.
Here's my test1.js file:
...ANSWER
Answered 2021-Sep-08 at 20:05I came across this Spectron tutorial on YouTube: https://www.youtube.com/watch?v=srBKdQT51UQ
It was published in September 2020 (almost a year ago as of the time of this post) and they suggested downgrading to electron 8.0.0 and Spectron 10.0.0. When I downgraded, the app magically launched when app.start
was called.
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Install cyborg
You can use cyborg like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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