Loops and element handles in Playwright

In [1]:

            
                Copied!
                
# There are two versions of Playwright:
# the synchronous version and the async version.
# You can't use the synchronous version in Jupyter,
# so we'll import the async one.

import asyncio
from playwright.async_api import async_playwright
# There are two versions of Playwright:
# the synchronous version and the async version.
# You can't use the synchronous version in Jupyter,
# so we'll import the async one.

import asyncio
from playwright.async_api import async_playwright

In [2]:

            
                Copied!
                
# Visit a page using chromium (could also do .firefox or .webkit)
playwright = await async_playwright().start()
browser = await playwright.chromium.launch(headless = False)
page = await browser.new_page()
# Visit a page using chromium (could also do .firefox or .webkit)
playwright = await async_playwright().start()
browser = await playwright.chromium.launch(headless = False)
page = await browser.new_page()

Out[2]:

<Response url='https://www.nytimes.com/' request=<Request url='https://www.nytimes.com/' method='GET'>>

In [12]:

            
                Copied!
                
await page.goto('http://localhost:8000')
await page.goto('http://localhost:8000')

Out[12]:

<Response url='http://localhost:8000/' request=<Request url='http://localhost:8000/' method='GET'>>

In [14]:

            
                Copied!
                
                    
                    
                
                

        
links = page.locator('a')

count = await links.count()
for i in range(count):
    print("Looking at", i)
    link = links.nth(i)
    await link.click()
    print(await page.content())
    await page.go_back()

print("Done")
links = page.locator('a')

count = await links.count()
for i in range(count):
    print("Looking at", i)
    link = links.nth(i)
    await link.click()
    print(await page.content())
    await page.go_back()

print("Done")

Looking at 0
<html><head></head><body>First page</body></html>
Looking at 1
<html><head></head><body>Second page</body></html>
Done

In [24]:

            
                Copied!
                
links = await page.locator('a').element_handles()

for link in links:
    text = await link.text_content()
    href = await link.get_attribute('href')
    
    print("Link text is", text)
    print("Link URL is", href)
links = await page.locator('a').element_handles()

for link in links:
    text = await link.text_content()
    href = await link.get_attribute('href')
    
    print("Link text is", text)
    print("Link URL is", href)

Link text is one
Link URL is 1.html
Link text is two
Link URL is 2.html

In [25]:

            
                Copied!
                
links = page.locator('a')
count = await links.count()

for i in range(count):
    link = links.nth(i)
    
    text = await link.text_content()
    href = await link.get_attribute('href')
    
    print("Link text is", text)
    print("Link URL is", href)
links = page.locator('a')
count = await links.count()

for i in range(count):
    link = links.nth(i)
    
    text = await link.text_content()
    href = await link.get_attribute('href')
    
    print("Link text is", text)
    print("Link URL is", href)

Link text is one
Link URL is 1.html
Link text is two
Link URL is 2.html

In [26]:

            
                Copied!
                
links = await page.locator('a').element_handles()

for link in links:
    text = await link.text_content()
    href = await link.get_attribute('href')
    print("Link text is", text)
    print("Link URL is", href)
    await link.click()
    
    await page.go_back()
links = await page.locator('a').element_handles()

for link in links:
    text = await link.text_content()
    href = await link.get_attribute('href')
    print("Link text is", text)
    print("Link URL is", href)
    await link.click()
    
    await page.go_back()

Link text is one
Link URL is 1.html

---------------------------------------------------------------------------
Error                                     Traceback (most recent call last)
/var/folders/_m/b8tjbm6n4zs1q2mvjvg25x1m0000gn/T/ipykernel_56635/1937803864.py in <cell line: 3>()
      2 
      3 for link in links:
----> 4     text = await link.text_content()
      5     href = await link.get_attribute('href')
      6     print("Link text is", text)

~/.pyenv/versions/3.10.3/lib/python3.10/site-packages/playwright/async_api/_generated.py in text_content(self)
   1531         """
   1532 
-> 1533         return mapping.from_maybe_impl(await self._impl_obj.text_content())
   1534 
   1535     async def inner_text(self) -> str:

~/.pyenv/versions/3.10.3/lib/python3.10/site-packages/playwright/_impl/_element_handle.py in text_content(self)
     68 
     69     async def text_content(self) -> Optional[str]:
---> 70         return await self._channel.send("textContent")
     71 
     72     async def inner_text(self) -> str:

~/.pyenv/versions/3.10.3/lib/python3.10/site-packages/playwright/_impl/_connection.py in send(self, method, params)
     41 
     42     async def send(self, method: str, params: Dict = None) -> Any:
---> 43         return await self._connection.wrap_api_call(
     44             lambda: self.inner_send(method, params, False)
     45         )

~/.pyenv/versions/3.10.3/lib/python3.10/site-packages/playwright/_impl/_connection.py in wrap_api_call(self, cb, is_internal)
    367             self._api_zone.set(metadata)
    368         try:
--> 369             return await cb()
    370         finally:
    371             self._api_zone.set(None)

~/.pyenv/versions/3.10.3/lib/python3.10/site-packages/playwright/_impl/_connection.py in inner_send(self, method, params, return_as_dict)
     76         if not callback.future.done():
     77             callback.future.cancel()
---> 78         result = next(iter(done)).result()
     79         # Protocol now has named return values, assume result is one level deeper unless
     80         # there is explicit ambiguity.

Error: Element is not attached to the DOM

In [ ]: