Karim shoair
213 lines
12 KiB
Python
213 lines
12 KiB
Python
from camoufox import DefaultAddons
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from camoufox.async_api import AsyncCamoufox
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from camoufox.sync_api import Camoufox
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from scrapling.core._types import (Callable, Dict, List, Literal, Optional,
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Union)
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from scrapling.core.utils import log
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from scrapling.engines.toolbelt import (Response, StatusText,
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async_intercept_route,
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check_type_validity,
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construct_proxy_dict,
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generate_convincing_referer,
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get_os_name, intercept_route)
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class CamoufoxEngine:
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def __init__(
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self, headless: Optional[Union[bool, Literal['virtual']]] = True, block_images: Optional[bool] = False, disable_resources: Optional[bool] = False,
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block_webrtc: Optional[bool] = False, allow_webgl: Optional[bool] = True, network_idle: Optional[bool] = False, humanize: Optional[Union[bool, float]] = True,
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timeout: Optional[float] = 30000, page_action: Callable = None, wait_selector: Optional[str] = None, addons: Optional[List[str]] = None,
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wait_selector_state: str = 'attached', google_search: Optional[bool] = True, extra_headers: Optional[Dict[str, str]] = None,
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proxy: Optional[Union[str, Dict[str, str]]] = None, os_randomize: Optional[bool] = None, disable_ads: Optional[bool] = True,
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geoip: Optional[bool] = False,
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adaptor_arguments: Dict = None,
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):
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"""An engine that utilizes Camoufox library, check the `StealthyFetcher` class for more documentation.
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:param headless: Run the browser in headless/hidden (default), virtual screen mode, or headful/visible mode.
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:param block_images: Prevent the loading of images through Firefox preferences.
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This can help save your proxy usage but be careful with this option as it makes some websites never finish loading.
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:param disable_resources: Drop requests of unnecessary resources for a speed boost. It depends but it made requests ~25% faster in my tests for some websites.
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Requests dropped are of type `font`, `image`, `media`, `beacon`, `object`, `imageset`, `texttrack`, `websocket`, `csp_report`, and `stylesheet`.
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This can help save your proxy usage but be careful with this option as it makes some websites never finish loading.
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:param block_webrtc: Blocks WebRTC entirely.
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:param addons: List of Firefox addons to use. Must be paths to extracted addons.
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:param humanize: Humanize the cursor movement. Takes either True or the MAX duration in seconds of the cursor movement. The cursor typically takes up to 1.5 seconds to move across the window.
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:param allow_webgl: Enabled by default. Disabling it WebGL not recommended as many WAFs now checks if WebGL is enabled.
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:param network_idle: Wait for the page until there are no network connections for at least 500 ms.
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:param disable_ads: Enabled by default, this installs `uBlock Origin` addon on the browser if enabled.
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:param os_randomize: If enabled, Scrapling will randomize the OS fingerprints used. The default is Scrapling matching the fingerprints with the current OS.
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:param timeout: The timeout in milliseconds that is used in all operations and waits through the page. The default is 30000
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:param page_action: Added for automation. A function that takes the `page` object, does the automation you need, then returns `page` again.
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:param wait_selector: Wait for a specific css selector to be in a specific state.
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:param geoip: Recommended to use with proxies; Automatically use IP's longitude, latitude, timezone, country, locale, & spoof the WebRTC IP address.
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It will also calculate and spoof the browser's language based on the distribution of language speakers in the target region.
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:param wait_selector_state: The state to wait for the selector given with `wait_selector`. Default state is `attached`.
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:param google_search: Enabled by default, Scrapling will set the referer header to be as if this request came from a Google search for this website's domain name.
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:param extra_headers: A dictionary of extra headers to add to the request. _The referer set by the `google_search` argument takes priority over the referer set here if used together._
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:param proxy: The proxy to be used with requests, it can be a string or a dictionary with the keys 'server', 'username', and 'password' only.
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:param adaptor_arguments: The arguments that will be passed in the end while creating the final Adaptor's class.
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"""
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self.headless = headless
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self.block_images = bool(block_images)
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self.disable_resources = bool(disable_resources)
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self.block_webrtc = bool(block_webrtc)
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self.allow_webgl = bool(allow_webgl)
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self.network_idle = bool(network_idle)
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self.google_search = bool(google_search)
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self.os_randomize = bool(os_randomize)
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self.disable_ads = bool(disable_ads)
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self.geoip = bool(geoip)
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self.extra_headers = extra_headers or {}
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self.proxy = construct_proxy_dict(proxy)
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self.addons = addons or []
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self.humanize = humanize
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self.timeout = check_type_validity(timeout, [int, float], 30000)
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if page_action is not None:
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if callable(page_action):
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self.page_action = page_action
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else:
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self.page_action = None
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log.error('[Ignored] Argument "page_action" must be callable')
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else:
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self.page_action = None
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self.wait_selector = wait_selector
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self.wait_selector_state = wait_selector_state
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self.adaptor_arguments = adaptor_arguments if adaptor_arguments else {}
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def fetch(self, url: str) -> Response:
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"""Opens up the browser and do your request based on your chosen options.
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:param url: Target url.
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:return: A `Response` object that is the same as `Adaptor` object except it has these added attributes: `status`, `reason`, `cookies`, `headers`, and `request_headers`
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"""
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addons = [] if self.disable_ads else [DefaultAddons.UBO]
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with Camoufox(
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geoip=self.geoip,
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proxy=self.proxy,
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addons=self.addons,
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exclude_addons=addons,
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headless=self.headless,
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humanize=self.humanize,
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i_know_what_im_doing=True, # To turn warnings off with the user configurations
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allow_webgl=self.allow_webgl,
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block_webrtc=self.block_webrtc,
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block_images=self.block_images, # Careful! it makes some websites doesn't finish loading at all like stackoverflow even in headful
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os=None if self.os_randomize else get_os_name(),
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) as browser:
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page = browser.new_page()
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page.set_default_navigation_timeout(self.timeout)
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page.set_default_timeout(self.timeout)
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if self.disable_resources:
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page.route("**/*", intercept_route)
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if self.extra_headers:
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page.set_extra_http_headers(self.extra_headers)
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res = page.goto(url, referer=generate_convincing_referer(url) if self.google_search else None)
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page.wait_for_load_state(state="domcontentloaded")
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if self.network_idle:
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page.wait_for_load_state('networkidle')
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if self.page_action is not None:
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page = self.page_action(page)
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if self.wait_selector and type(self.wait_selector) is str:
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waiter = page.locator(self.wait_selector)
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waiter.first.wait_for(state=self.wait_selector_state)
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# Wait again after waiting for the selector, helpful with protections like Cloudflare
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page.wait_for_load_state(state="load")
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page.wait_for_load_state(state="domcontentloaded")
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if self.network_idle:
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page.wait_for_load_state('networkidle')
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# This will be parsed inside `Response`
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encoding = res.headers.get('content-type', '') or 'utf-8' # default encoding
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# PlayWright API sometimes give empty status text for some reason!
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status_text = res.status_text or StatusText.get(res.status)
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response = Response(
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url=res.url,
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text=page.content(),
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body=page.content().encode('utf-8'),
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status=res.status,
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reason=status_text,
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encoding=encoding,
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cookies={cookie['name']: cookie['value'] for cookie in page.context.cookies()},
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headers=res.all_headers(),
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request_headers=res.request.all_headers(),
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**self.adaptor_arguments
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)
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page.close()
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return response
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async def async_fetch(self, url: str) -> Response:
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"""Opens up the browser and do your request based on your chosen options.
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:param url: Target url.
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:return: A `Response` object that is the same as `Adaptor` object except it has these added attributes: `status`, `reason`, `cookies`, `headers`, and `request_headers`
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"""
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addons = [] if self.disable_ads else [DefaultAddons.UBO]
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async with AsyncCamoufox(
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geoip=self.geoip,
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proxy=self.proxy,
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addons=self.addons,
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exclude_addons=addons,
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headless=self.headless,
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humanize=self.humanize,
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i_know_what_im_doing=True, # To turn warnings off with the user configurations
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allow_webgl=self.allow_webgl,
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block_webrtc=self.block_webrtc,
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block_images=self.block_images, # Careful! it makes some websites doesn't finish loading at all like stackoverflow even in headful
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os=None if self.os_randomize else get_os_name(),
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) as browser:
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page = await browser.new_page()
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page.set_default_navigation_timeout(self.timeout)
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page.set_default_timeout(self.timeout)
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if self.disable_resources:
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await page.route("**/*", async_intercept_route)
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if self.extra_headers:
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await page.set_extra_http_headers(self.extra_headers)
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res = await page.goto(url, referer=generate_convincing_referer(url) if self.google_search else None)
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await page.wait_for_load_state(state="domcontentloaded")
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if self.network_idle:
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await page.wait_for_load_state('networkidle')
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if self.page_action is not None:
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page = await self.page_action(page)
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if self.wait_selector and type(self.wait_selector) is str:
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waiter = page.locator(self.wait_selector)
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await waiter.first.wait_for(state=self.wait_selector_state)
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# Wait again after waiting for the selector, helpful with protections like Cloudflare
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await page.wait_for_load_state(state="load")
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await page.wait_for_load_state(state="domcontentloaded")
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if self.network_idle:
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await page.wait_for_load_state('networkidle')
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# This will be parsed inside `Response`
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encoding = res.headers.get('content-type', '') or 'utf-8' # default encoding
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# PlayWright API sometimes give empty status text for some reason!
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status_text = res.status_text or StatusText.get(res.status)
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response = Response(
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url=res.url,
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text=await page.content(),
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body=(await page.content()).encode('utf-8'),
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status=res.status,
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reason=status_text,
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encoding=encoding,
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cookies={cookie['name']: cookie['value'] for cookie in await page.context.cookies()},
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headers=await res.all_headers(),
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request_headers=await res.request.all_headers(),
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**self.adaptor_arguments
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)
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await page.close()
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return response
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