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Crawl ilias booking objects as links

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This commit is contained in:
I-Al-Istannen 2021-07-06 16:13:23 +02:00
parent 89be07d4d3
commit 8ec3f41251
2 changed files with 55 additions and 7 deletions
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4
PFERD/crawl/ilias/kit_ilias_html.py
View File

@ -22,6 +22,7 @@ class IliasElementType(Enum):
FOLDER = "folder"
FORUM = "forum"
LINK = "link"
BOOKING = "booking"
MEETING = "meeting"
VIDEO = "video"
VIDEO_PLAYER = "video_player"
@ -490,6 +491,9 @@ class IliasPage:
if str(img_tag["src"]).endswith("icon_webr.svg"):
return IliasElementType.LINK
if str(img_tag["src"]).endswith("icon_book.svg"):
return IliasElementType.BOOKING
if str(img_tag["src"]).endswith("frm.svg"):
return IliasElementType.FORUM

50
PFERD/crawl/ilias/kit_ilias_web_crawler.py
View File

@ -323,6 +323,8 @@ instance's greatest bottleneck.
return None
elif element.type == IliasElementType.LINK:
return await self._handle_link(element, element_path)
elif element.type == IliasElementType.BOOKING:
return await self._handle_booking(element, element_path)
elif element.type == IliasElementType.VIDEO:
return await self._handle_file(element, element_path)
elif element.type == IliasElementType.VIDEO_PLAYER:
@ -362,15 +364,57 @@ instance's greatest bottleneck.
async with dl as (bar, sink):
export_url = element.url.replace("cmd=calldirectlink", "cmd=exportHTML")
real_url = await self._resolve_link_target(export_url)
self._write_link_content(link_template, real_url, element.name, element.description, sink)
def _write_link_content(
self,
link_template: str,
url: str,
name: str,
description: Optional[str],
sink: FileSink,
) -> None:
content = link_template
content = content.replace("{{link}}", real_url)
content = content.replace("{{name}}", element.name)
content = content.replace("{{description}}", str(element.description))
content = content.replace("{{link}}", url)
content = content.replace("{{name}}", name)
content = content.replace("{{description}}", str(description))
content = content.replace("{{redirect_delay}}", str(self._link_file_redirect_delay))
sink.file.write(content.encode("utf-8"))
sink.done()
async def _handle_booking(
self,
element: IliasPageElement,
element_path: PurePath,
) -> Optional[Awaitable[None]]:
log.explain_topic(f"Decision: Crawl Booking Link {fmt_path(element_path)}")
log.explain(f"Links type is {self._links}")
link_template_maybe = self._links.template()
link_extension = self._links.extension()
if not link_template_maybe or not link_extension:
log.explain("Answer: No")
return None
else:
log.explain("Answer: Yes")
element_path = element_path.with_name(element_path.name + link_extension)
maybe_dl = await self.download(element_path, mtime=element.mtime)
if not maybe_dl:
return None
return self._download_booking(element, link_template_maybe, maybe_dl)
@_iorepeat(3, "resolving booking")
async def _download_booking(
self,
element: IliasPageElement,
link_template: str,
dl: DownloadToken,
) -> None:
async with dl as (bar, sink):
self._write_link_content(link_template, element.url, element.name, element.description, sink)
async def _resolve_link_target(self, export_url: str) -> str:
async with self.session.get(export_url, allow_redirects=False) as resp:
# No redirect means we were authenticated