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support multi tabs (#692)

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This commit is contained in:
LawyZheng
2024-08-09 10:46:52 +08:00
committed by GitHub
parent e5c7d8b4dd
commit 6c0f94ac0a
5 changed files with 126 additions and 90 deletions
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84
skyvern/webeye/browser_factory.py
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@@ -85,15 +85,13 @@ class BrowserContextFactory:
@staticmethod
def build_browser_artifacts(
video_path: str | None = None,
video_artifacts: list[VideoArtifact] | None = None,
har_path: str | None = None,
video_artifact_id: str | None = None,
traces_dir: str | None = None,
) -> BrowserArtifacts:
return BrowserArtifacts(
video_path=video_path,
video_artifacts=video_artifacts or [],
har_path=har_path,
video_artifact_id=video_artifact_id,
traces_dir=traces_dir,
)
@@ -130,9 +128,14 @@ class BrowserContextFactory:
return await cls._validator(page)
class BrowserArtifacts(BaseModel):
class VideoArtifact(BaseModel):
video_path: str | None = None
video_artifact_id: str | None = None
video_data: bytes = bytes()
class BrowserArtifacts(BaseModel):
video_artifacts: list[VideoArtifact] = []
har_path: str | None = None
traces_dir: str | None = None
@@ -175,24 +178,26 @@ class BrowserState:
browser_artifacts: BrowserArtifacts = BrowserArtifacts(),
browser_cleanup: BrowserCleanupFunc = None,
):
self.__page = page
self.pw = pw
self.browser_context = browser_context
self.page = page
self.browser_artifacts = browser_artifacts
self.browser_cleanup = browser_cleanup
def __assert_page(self) -> Page:
if self.page is not None:
return self.page
async def __assert_page(self) -> Page:
page = await self.get_working_page()
if page is not None:
return page
LOG.error("BrowserState has no page")
raise MissingBrowserStatePage()
async def _close_all_other_pages(self) -> None:
if not self.browser_context or not self.page:
cur_page = await self.get_working_page()
if not self.browser_context or not cur_page:
return
pages = self.browser_context.pages
for page in pages:
if page != self.page:
if page != cur_page:
await page.close()
async def check_and_fix_state(
@@ -226,21 +231,22 @@ class BrowserState:
assert self.browser_context is not None
if self.page is None:
if await self.get_working_page() is None:
success = False
retries = 0
while not success and retries < 3:
try:
LOG.info("Creating a new page")
self.page = await self.browser_context.new_page()
page = await self.browser_context.new_page()
await self.set_working_page(page, 0)
await self._close_all_other_pages()
LOG.info("A new page is created")
if url:
LOG.info(f"Navigating page to {url} and waiting for 5 seconds")
try:
start_time = time.time()
await self.page.goto(url, timeout=settings.BROWSER_LOADING_TIMEOUT_MS)
await page.goto(url, timeout=settings.BROWSER_LOADING_TIMEOUT_MS)
end_time = time.time()
LOG.info(
"Page loading time",
@@ -270,8 +276,33 @@ class BrowserState:
raise e
LOG.info(f"Retrying to create a new page. Retry count: {retries}")
if self.browser_artifacts.video_path is None:
self.browser_artifacts.video_path = await self.page.video.path() if self.page and self.page.video else None
async def get_working_page(self) -> Page | None:
# HACK: currently, assuming the last page is always the working page.
# Need to refactor this logic when we want to manipulate multi pages together
if self.__page is None or self.browser_context is None or len(self.browser_context.pages) == 0:
return None
last_page = self.browser_context.pages[-1]
if self.__page == last_page:
return self.__page
await self.set_working_page(last_page, len(self.browser_context.pages) - 1)
return last_page
async def set_working_page(self, page: Page | None, index: int = 0) -> None:
self.__page = page
if page is None:
return
if len(self.browser_artifacts.video_artifacts) > index:
if self.browser_artifacts.video_artifacts[index].video_path is None:
self.browser_artifacts.video_artifacts[index].video_path = await page.video.path()
return
target_lenght = index + 1
self.browser_artifacts.video_artifacts.extend(
[VideoArtifact()] * (target_lenght - len(self.browser_artifacts.video_artifacts))
)
self.browser_artifacts.video_artifacts[index].video_path = await page.video.path()
return
async def get_or_create_page(
self,
@@ -280,8 +311,9 @@ class BrowserState:
task_id: str | None = None,
workflow_run_id: str | None = None,
) -> Page:
if self.page is not None:
return self.page
page = await self.get_working_page()
if page is not None:
return page
try:
await self.check_and_fix_state(
@@ -295,26 +327,26 @@ class BrowserState:
await self.check_and_fix_state(
url=url, proxy_location=proxy_location, task_id=task_id, workflow_run_id=workflow_run_id
)
assert self.page is not None
await self.__assert_page()
if not await BrowserContextFactory.validate_browser_context(self.page):
if not await BrowserContextFactory.validate_browser_context(await self.get_working_page()):
await self.close_current_open_page()
await self.check_and_fix_state(
url=url, proxy_location=proxy_location, task_id=task_id, workflow_run_id=workflow_run_id
)
assert self.page is not None
await self.__assert_page()
return self.page
return page
async def close_current_open_page(self) -> None:
await self._close_all_other_pages()
if self.browser_context is not None:
await self.browser_context.close()
self.browser_context = None
self.page = None
await self.set_working_page(None)
async def stop_page_loading(self) -> None:
page = self.__assert_page()
page = await self.__assert_page()
try:
await page.evaluate("window.stop()")
except Exception as e:
@@ -322,7 +354,7 @@ class BrowserState:
raise FailedToStopLoadingPage(url=page.url, error_message=repr(e))
async def reload_page(self) -> None:
page = self.__assert_page()
page = await self.__assert_page()
LOG.info(f"Reload page {page.url} and waiting for 5 seconds")
try:
@@ -353,5 +385,5 @@ class BrowserState:
LOG.info("Playwright is stopped")
async def take_screenshot(self, full_page: bool = False, file_path: str | None = None) -> bytes:
page = self.__assert_page()
page = await self.__assert_page()
return await SkyvernFrame.take_screenshot(page=page, full_page=full_page, file_path=file_path)