# Aider chat conversation:
USER: finish `scrape_with_httpx`
ASSISTANT: To finish the `scrape_with_httpx` method, I will implement the HTTP request using the `httpx` library. This will involve making a GET request to the provided URL and returning the content of the response.
Here is the diff for the changes:
```diff
--- aider/scrape.py
+++ aider/scrape.py
@@ ... @@
def scrape_with_httpx(self, url):
- pass
+ import httpx
+ headers = {
+ 'User-Agent': aider_user_agent
+ }
+ try:
+ with httpx.Client(headers=headers) as client:
+ response = client.get(url)
+ response.raise_for_status()
+ return response.text
+ except httpx.HTTPError as http_err:
+ self.print_error(f'HTTP error occurred: {http_err}')
+ except Exception as err:
+ self.print_error(f'An error occurred: {err}')
+ return None
```
This implementation uses `httpx.Client` to send a GET request with a custom User-Agent header. It handles any HTTP errors by printing them out and returns `None` in case of an error. If the request is successful, it returns the text content of the response.
# Aider chat conversation:
USER: determine the user_agent
ASSISTANT: To determine the `user_agent` in the `scrape_with_playwright` function, we can use the `browser.new_context()` method which allows us to specify a `user_agent` string. We will set a common user agent string for a desktop browser.
Here is the diff for the changes:
```diff
--- aider/scrape.py
+++ aider/scrape.py
@@ ... @@
def scrape_with_playwright(url):
with sync_playwright()
^C KeyboardInterrupt
USER: I don't want to SET it. I want to determine what it is
ASSISTANT: To determine the `user_agent` being used by the browser in the `scrape_with_playwright` function, we can retrieve it from the browser context after creating a new page. Here is the diff for the changes:
```diff
--- aider/scrape.py
+++ aider/scrape.py
@@ ... @@
def scrape_with_playwright(url):
with sync_playwright() as p:
try:
browser = p.chromium.launch()
except Exception as e:
print(repr(e))
return
+ page = browser.new_page()
+ user_agent = page.evaluate("navigator.userAgent")
+ print(f"User Agent: {user_agent}")
- page = browser.new_page()
page.goto(url)
content = page.content()
browser.close()
return content
```
# Aider chat conversation:
USER: set the user agent to 'Aider v0.24.0-dev'
ASSISTANT: ```diff
--- playw.py
+++ playw.py
@@ ... @@
def main(url):
# Check if Chromium is installed, if not, install it
with sync_playwright() as p:
- p.chromium.launch()
+ browser = p.chromium.launch(user_agent='Aider v0.24.0-dev')
+ page = browser.new_page()
+ page.goto(url)
+ content = page.content()
+ print(content)
+ browser.close()
if __name__ == "__main__":
if len(sys.argv) < 2:
```
USER: UnifiedDiffNoMatch: hunk failed to apply!
playw.py does not contain lines that match the diff you provided!
Try again.
DO NOT skip blank lines, comments, docstrings, etc!
The diff needs to apply cleanly to the lines in playw.py!
playw.py does not contain these 7 exact lines in a row:
```
def main(url):
# Check if Chromium is installed, if not, install it
with sync_playwright() as p:
p.chromium.launch()
if __name__ == "__main__":
if len(sys.argv) < 2:
```
ASSISTANT: I apologize for the oversight. Here is the corrected diff:
```diff
--- playw.py
+++ playw.py
@@ ... @@
with sync_playwright() as p:
- browser = p.chromium.launch()
+ browser = p.chromium.launch(user_agent='Aider v0.24.0-dev')
page = browser.new_page()
page.goto(url)
#page.wait_for_load_state('networkidle')
content = page.content()
print(content)
browser.close()
```
# Aider chat conversation:
USER: include a check to see if playwright needs to install chromium and it's deps
ASSISTANT: Here is the updated `playw.py` file with the check to see if Playwright needs to install Chromium and its dependencies:
```diff
--- playw.py
+++ playw.py
@@ ... @@
import sys
+from playwright.__main__ import main as playwright_install
def main(url):
+ # Check if Chromium is installed, if not, install it
+ try:
+ with sync_playwright() as p:
+ p.chromium.launch()
+ except Exception as e:
+ print("Chromium is not installed. Installing necessary dependencies...")
+ playwright_install(['install', 'chromium'])
+
with sync_playwright() as p:
browser = p.chromium.launch()
page = browser.new_page()
page.goto(url)
content = page.content()
print(content)
browser.close()
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python playw.py <URL>")
sys.exit(1)
main(sys.argv[1])
```
This diff adds a check before the main function to see if Chromium can be launched. If an exception occurs, it assumes Chromium is not installed and proceeds to install it using Playwright's command-line interface.
# Aider chat conversation:
USER: don't use async
ASSISTANT: Here is the updated `playw.py` file without using async:
```diff
--- playw.py
+++ playw.py
@@ ... @@
-import asyncio
-from playwright.async_api import async_playwright
+from playwright.sync_api import sync_playwright
import sys
-async def main(url):
- async with async_playwright() as p:
- browser = await p.chromium.launch()
- page = await browser.new_page()
- await page.goto(url)
- content = await page.content()
- print(content)
- await browser.close()
+def main(url):
+ with sync_playwright() as p:
+ browser = p.chromium.launch()
+ page = browser.new_page()
+ page.goto(url)
+ content = page.content()
+ print(content)
+ browser.close()
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python playw.py <URL>")
sys.exit(1)
- asyncio.run(main(sys.argv[1]))
+ main(sys.argv[1])
```
This diff removes the asynchronous code and replaces it with the synchronous version provided by Playwright's `sync_api`. The `async` and `await` keywords are removed, and the `async_playwright` context manager is replaced with `sync_playwright`. The script should now run synchronously.
# Aider chat conversation:
USER: write a playwright script to fetch the text from a url supplied on the cmd line
ASSISTANT: To create a Playwright script that fetches text from a URL supplied on the command line, I will write the necessary code in the `playw.py` file. The script will use Playwright's Python package to launch a browser, navigate to the provided URL, and print the text content of the page to the console.
Here is the diff for the new `playw.py` file:
```diff
--- /dev/null
+++ playw.py
@@ ... @@
+import asyncio
+from playwright.async_api import async_playwright
+import sys
+
+async def main(url):
+ async with async_playwright() as p:
+ browser = await p.chromium.launch()
+ page = await browser.new_page()
+ await page.goto(url)
+ content = await page.content()
+ print(content)
+ await browser.close()
+
+if __name__ == "__main__":
+ if len(sys.argv) < 2:
+ print("Usage: python playw.py <URL>")
+ sys.exit(1)
+ asyncio.run(main(sys.argv[1]))
```
This script will require the Playwright package to be installed. You can install it using `pip install playwright` and then run `playwright install` to install the necessary browser binaries. To run the script, use the command `python playw.py <URL>`, replacing `<URL>` with the actual URL you want to fetch text from.
# Aider chat conversation:
USER: I added these *read-write* files: requirements.in
ASSISTANT: It seems there might be a misunderstanding. You've indicated that you've added the `requirements.in` file, but you haven't specified any changes that need to be made to it or any other files. If you need any modifications or have any specific requests regarding the `requirements.in` or any other file, please let me know, and I'll be happy to assist you with the necessary changes.
USER: add chromedriver-autoinstller to .in not .txt
ASSISTANT: Here is the diff to add `chromedriver-autoinstaller` to the `requirements.in` file:
```diff
--- requirements.in
+++ requirements.in
@@ ... @@
webdriver_manager
selenium
+chromedriver-autoinstaller
```
This change adds `chromedriver-autoinstaller` to the `requirements.in` file, which is used to generate the `requirements.txt` file with `pip-compile`. After adding this line, you would run `pip-compile requirements.in` to update the `requirements.txt` file accordingly.
# Aider chat conversation:
USER: does the user need to install anything beyond the pip requirements to have selenium drive chrome?
ASSISTANT: To have Selenium drive Chrome, the user needs to have the Chrome browser installed on their system and also the ChromeDriver executable, which allows Selenium to interface with Chrome. The ChromeDriver version must be compatible with the version of Chrome installed on the system.
The `requirements.txt` file already includes `selenium`, but it does not include `chromedriver-autoinstaller`, which can automatically download and install the correct version of ChromeDriver for the user's version of Chrome. To facilitate this, we can add `chromedriver-autoinstaller` to the `requirements.txt` file.
Here is the diff to add `chromedriver-autoinstaller` to the `requirements.txt`:
```diff
--- requirements.txt
+++ requirements.txt
@@ ... @@
+selenium==4.17.2
+chromedriver-autoinstaller==0.3.1
# via -r requirements.in
```
By adding `chromedriver-autoinstaller`, the user can ensure that the correct version of ChromeDriver is installed and updated as needed, without manual intervention.
# Aider chat conversation:
USER: add the missing requirements for selenium and related packages
ASSISTANT: ```diff
--- requirements.in
+++ requirements.in
@@ ... @@
+webdriver_manager
+selenium
```
The above diff adds the missing requirements for Selenium and the WebDriver Manager to the `requirements.in` file.
# Aider chat conversation:
USER: Add a command /web to use headless selenium to scrape a webpage and add the content to the chat
ASSISTANT: To implement the `/web` command, we will need to add a new method to the `Commands` class in the `aider/commands.py` file. This method will use Selenium with a headless browser to scrape the content of a given webpage and add the content to the chat.
Here are the diffs for the changes:
```diff
--- aider/commands.py
+++ aider/commands.py
@@ ... @@
from pathlib import Path
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.chrome.service import Service
+from selenium.webdriver.common.by import By
+from webdriver_manager.chrome import ChromeDriverManager
import re
import subprocess
@@ ... @@
class Commands:
voice = None
+ web_driver = None
def __init__(self, io, coder, voice_language=None):
self.io = io
@@ ... @@
self.voice_language = voice_language
self.tokenizer = coder.main_model.tokenizer
+ self.initialize_web_driver()
+ def initialize_web_driver(self):
+ chrome_options = Options()
+ chrome_options.add_argument("--headless")
+ chrome_options.add_argument("--disable-gpu")
+ chrome_options.add_argument("--no-sandbox")
+ chrome_options.add_argument("--disable-dev-shm-usage")
+ self.web_driver = webdriver.Chrome(
+ service=Service(ChromeDriverManager().install()),
+ options=chrome_options
+ )
+
+ def cmd_web(self, args):
+ "Use headless selenium to scrape a webpage and add the content to the chat"
+ url = args.strip()
+ if not url:
+ self.io.tool_error("Please provide a URL to scrape.")
+ return
+
+ try:
+ self.web_driver.get(url)
+ page_content = self.web_driver.find_element(By.TAG_NAME, "body").text
+ self.io.tool_output(f"Content from {url}:\n{page_content}")
+ return page_content
+ except Exception as e:
+ self.io.tool_error(f"Error scraping {url}: {e}")
+
def is_command(self, inp):
return inp[0] in "/!"
@@ ... @@
```
This diff adds the necessary imports for Selenium and the WebDriver manager, initializes a headless Chrome WebDriver when the `Commands` class is instantiated, and adds a new command method `cmd_web` that takes a URL as an argument, scrapes the webpage, and outputs the content to the chat.
