mirror of
https://github.com/Garmelon/PFERD.git
synced 2023-12-21 10:23:01 +01:00
Jerry-rig DummyCrawler to run
This commit is contained in:
Joscha
parent
bbc792f9fb
commit
3ea86d18a0
|
|
@ -1,7 +1,9 @@
|
|||
import argparse
|
||||
import asyncio
|
||||
from pathlib import Path
|
||||
|
||||
from .config import Config, ConfigDumpException, ConfigLoadException
|
||||
from .pferd import Pferd
|
||||
|
||||
|
||||
def main() -> None:
|
||||
|
|
@ -37,4 +39,5 @@ def main() -> None:
|
|||
exit(1)
|
||||
exit()
|
||||
|
||||
print(config)
|
||||
pferd = Pferd(config)
|
||||
asyncio.run(pferd.run())
|
||||
|
|
|
|||
446
PFERD/pferd.py
446
PFERD/pferd.py
|
|
@ -1,440 +1,12 @@
|
|||
"""
|
||||
Convenience functions for using PFERD.
|
||||
"""
|
||||
from .config import Config
|
||||
from .crawlers import CRAWLERS
|
||||
|
||||
import logging
|
||||
from pathlib import Path
|
||||
from typing import Callable, List, Optional, Union
|
||||
|
||||
from .authenticators import UserPassAuthenticator
|
||||
from .cookie_jar import CookieJar
|
||||
from .diva import (DivaDownloader, DivaDownloadStrategy, DivaPlaylistCrawler,
|
||||
diva_download_new)
|
||||
from .download_summary import DownloadSummary
|
||||
from .errors import FatalException, swallow_and_print_errors
|
||||
from .ilias import (IliasAuthenticator, IliasCrawler, IliasDirectoryFilter,
|
||||
IliasDownloader, IliasDownloadInfo, IliasDownloadStrategy,
|
||||
KitShibbolethAuthenticator, download_modified_or_new)
|
||||
from .ipd import (IpdCrawler, IpdDownloader, IpdDownloadInfo,
|
||||
IpdDownloadStrategy, ipd_download_new_or_modified)
|
||||
from .location import Location
|
||||
from .logging import PrettyLogger, enable_logging
|
||||
from .organizer import FileConflictResolver, Organizer, resolve_prompt_user
|
||||
from .tmp_dir import TmpDir
|
||||
from .transform import TF, Transform, apply_transform
|
||||
from .utils import PathLike, to_path
|
||||
class Pferd:
|
||||
def __init__(self, config: Config):
|
||||
self._config = config
|
||||
|
||||
# TODO save known-good cookies as soon as possible
|
||||
|
||||
|
||||
LOGGER = logging.getLogger(__name__)
|
||||
PRETTY = PrettyLogger(LOGGER)
|
||||
|
||||
|
||||
class Pferd(Location):
|
||||
# pylint: disable=too-many-arguments
|
||||
"""
|
||||
The main entrypoint in your Pferd usage: This class combines a number of
|
||||
useful shortcuts for running synchronizers in a single interface.
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
base_dir: Path,
|
||||
tmp_dir: Path = Path(".tmp"),
|
||||
test_run: bool = False
|
||||
):
|
||||
super().__init__(Path(base_dir))
|
||||
|
||||
self._download_summary = DownloadSummary()
|
||||
self._tmp_dir = TmpDir(self.resolve(tmp_dir))
|
||||
self._test_run = test_run
|
||||
|
||||
@staticmethod
|
||||
def enable_logging() -> None:
|
||||
"""
|
||||
Enable and configure logging via the logging module.
|
||||
"""
|
||||
|
||||
enable_logging()
|
||||
|
||||
@staticmethod
|
||||
def _print_transformables(transformables: List[TF]) -> None:
|
||||
LOGGER.info("")
|
||||
LOGGER.info("Results of the test run:")
|
||||
for transformable in transformables:
|
||||
LOGGER.info(transformable.path)
|
||||
|
||||
@staticmethod
|
||||
def _get_authenticator(
|
||||
username: Optional[str], password: Optional[str]
|
||||
) -> KitShibbolethAuthenticator:
|
||||
inner_auth = UserPassAuthenticator("ILIAS - Pferd.py", username, password)
|
||||
return KitShibbolethAuthenticator(inner_auth)
|
||||
|
||||
def _ilias(
|
||||
self,
|
||||
target: PathLike,
|
||||
base_url: str,
|
||||
crawl_function: Callable[[IliasCrawler], List[IliasDownloadInfo]],
|
||||
authenticator: IliasAuthenticator,
|
||||
cookies: Optional[PathLike],
|
||||
dir_filter: IliasDirectoryFilter,
|
||||
transform: Transform,
|
||||
download_strategy: IliasDownloadStrategy,
|
||||
timeout: int,
|
||||
clean: bool = True,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
# pylint: disable=too-many-locals
|
||||
cookie_jar = CookieJar(to_path(cookies) if cookies else None)
|
||||
session = cookie_jar.create_session()
|
||||
tmp_dir = self._tmp_dir.new_subdir()
|
||||
organizer = Organizer(self.resolve(to_path(target)), file_conflict_resolver)
|
||||
|
||||
crawler = IliasCrawler(base_url, session, authenticator, dir_filter)
|
||||
downloader = IliasDownloader(tmp_dir, organizer, session,
|
||||
authenticator, download_strategy, timeout)
|
||||
|
||||
cookie_jar.load_cookies()
|
||||
info = crawl_function(crawler)
|
||||
cookie_jar.save_cookies()
|
||||
|
||||
transformed = apply_transform(transform, info)
|
||||
if self._test_run:
|
||||
self._print_transformables(transformed)
|
||||
return organizer
|
||||
|
||||
downloader.download_all(transformed)
|
||||
cookie_jar.save_cookies()
|
||||
|
||||
if clean:
|
||||
organizer.cleanup()
|
||||
|
||||
return organizer
|
||||
|
||||
@swallow_and_print_errors
|
||||
def ilias_kit(
|
||||
self,
|
||||
target: PathLike,
|
||||
course_id: str,
|
||||
dir_filter: IliasDirectoryFilter = lambda x, y: True,
|
||||
transform: Transform = lambda x: x,
|
||||
cookies: Optional[PathLike] = None,
|
||||
username: Optional[str] = None,
|
||||
password: Optional[str] = None,
|
||||
download_strategy: IliasDownloadStrategy = download_modified_or_new,
|
||||
clean: bool = True,
|
||||
timeout: int = 5,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
"""
|
||||
Synchronizes a folder with the ILIAS instance of the KIT.
|
||||
|
||||
Arguments:
|
||||
target {Path} -- the target path to write the data to
|
||||
course_id {str} -- the id of the main course page (found in the URL after ref_id
|
||||
when opening the course homepage)
|
||||
|
||||
Keyword Arguments:
|
||||
dir_filter {IliasDirectoryFilter} -- A filter for directories. Will be applied on the
|
||||
crawler level, these directories and all of their content is skipped.
|
||||
(default: {lambdax:True})
|
||||
transform {Transform} -- A transformation function for the output paths. Return None
|
||||
to ignore a file. (default: {lambdax:x})
|
||||
cookies {Optional[Path]} -- The path to store and load cookies from.
|
||||
(default: {None})
|
||||
username {Optional[str]} -- The SCC username. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
password {Optional[str]} -- The SCC password. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
download_strategy {DownloadStrategy} -- A function to determine which files need to
|
||||
be downloaded. Can save bandwidth and reduce the number of requests.
|
||||
(default: {download_modified_or_new})
|
||||
clean {bool} -- Whether to clean up when the method finishes.
|
||||
timeout {int} -- The download timeout for opencast videos. Sadly needed due to a
|
||||
requests bug.
|
||||
file_conflict_resolver {FileConflictResolver} -- A function specifying how to deal
|
||||
with overwriting or deleting files. The default always asks the user.
|
||||
"""
|
||||
# This authenticator only works with the KIT ilias instance.
|
||||
authenticator = Pferd._get_authenticator(username=username, password=password)
|
||||
PRETTY.starting_synchronizer(target, "ILIAS", course_id)
|
||||
|
||||
organizer = self._ilias(
|
||||
target=target,
|
||||
base_url="https://ilias.studium.kit.edu/",
|
||||
crawl_function=lambda crawler: crawler.crawl_course(course_id),
|
||||
authenticator=authenticator,
|
||||
cookies=cookies,
|
||||
dir_filter=dir_filter,
|
||||
transform=transform,
|
||||
download_strategy=download_strategy,
|
||||
clean=clean,
|
||||
timeout=timeout,
|
||||
file_conflict_resolver=file_conflict_resolver
|
||||
)
|
||||
|
||||
self._download_summary.merge(organizer.download_summary)
|
||||
|
||||
return organizer
|
||||
|
||||
def print_summary(self) -> None:
|
||||
"""
|
||||
Prints the accumulated download summary.
|
||||
"""
|
||||
PRETTY.summary(self._download_summary)
|
||||
|
||||
@swallow_and_print_errors
|
||||
def ilias_kit_personal_desktop(
|
||||
self,
|
||||
target: PathLike,
|
||||
dir_filter: IliasDirectoryFilter = lambda x, y: True,
|
||||
transform: Transform = lambda x: x,
|
||||
cookies: Optional[PathLike] = None,
|
||||
username: Optional[str] = None,
|
||||
password: Optional[str] = None,
|
||||
download_strategy: IliasDownloadStrategy = download_modified_or_new,
|
||||
clean: bool = True,
|
||||
timeout: int = 5,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
"""
|
||||
Synchronizes a folder with the ILIAS instance of the KIT. This method will crawl the ILIAS
|
||||
"personal desktop" instead of a single course.
|
||||
|
||||
Arguments:
|
||||
target {Path} -- the target path to write the data to
|
||||
|
||||
Keyword Arguments:
|
||||
dir_filter {IliasDirectoryFilter} -- A filter for directories. Will be applied on the
|
||||
crawler level, these directories and all of their content is skipped.
|
||||
(default: {lambdax:True})
|
||||
transform {Transform} -- A transformation function for the output paths. Return None
|
||||
to ignore a file. (default: {lambdax:x})
|
||||
cookies {Optional[Path]} -- The path to store and load cookies from.
|
||||
(default: {None})
|
||||
username {Optional[str]} -- The SCC username. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
password {Optional[str]} -- The SCC password. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
download_strategy {DownloadStrategy} -- A function to determine which files need to
|
||||
be downloaded. Can save bandwidth and reduce the number of requests.
|
||||
(default: {download_modified_or_new})
|
||||
clean {bool} -- Whether to clean up when the method finishes.
|
||||
timeout {int} -- The download timeout for opencast videos. Sadly needed due to a
|
||||
requests bug.
|
||||
file_conflict_resolver {FileConflictResolver} -- A function specifying how to deal
|
||||
with overwriting or deleting files. The default always asks the user.
|
||||
"""
|
||||
# This authenticator only works with the KIT ilias instance.
|
||||
authenticator = Pferd._get_authenticator(username, password)
|
||||
PRETTY.starting_synchronizer(target, "ILIAS", "Personal Desktop")
|
||||
|
||||
organizer = self._ilias(
|
||||
target=target,
|
||||
base_url="https://ilias.studium.kit.edu/",
|
||||
crawl_function=lambda crawler: crawler.crawl_personal_desktop(),
|
||||
authenticator=authenticator,
|
||||
cookies=cookies,
|
||||
dir_filter=dir_filter,
|
||||
transform=transform,
|
||||
download_strategy=download_strategy,
|
||||
clean=clean,
|
||||
timeout=timeout,
|
||||
file_conflict_resolver=file_conflict_resolver
|
||||
)
|
||||
|
||||
self._download_summary.merge(organizer.download_summary)
|
||||
|
||||
return organizer
|
||||
|
||||
@swallow_and_print_errors
|
||||
def ilias_kit_folder(
|
||||
self,
|
||||
target: PathLike,
|
||||
full_url: str,
|
||||
dir_filter: IliasDirectoryFilter = lambda x, y: True,
|
||||
transform: Transform = lambda x: x,
|
||||
cookies: Optional[PathLike] = None,
|
||||
username: Optional[str] = None,
|
||||
password: Optional[str] = None,
|
||||
download_strategy: IliasDownloadStrategy = download_modified_or_new,
|
||||
clean: bool = True,
|
||||
timeout: int = 5,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
"""
|
||||
Synchronizes a folder with a given folder on the ILIAS instance of the KIT.
|
||||
|
||||
Arguments:
|
||||
target {Path} -- the target path to write the data to
|
||||
full_url {str} -- the full url of the folder/videos/course to crawl
|
||||
|
||||
Keyword Arguments:
|
||||
dir_filter {IliasDirectoryFilter} -- A filter for directories. Will be applied on the
|
||||
crawler level, these directories and all of their content is skipped.
|
||||
(default: {lambdax:True})
|
||||
transform {Transform} -- A transformation function for the output paths. Return None
|
||||
to ignore a file. (default: {lambdax:x})
|
||||
cookies {Optional[Path]} -- The path to store and load cookies from.
|
||||
(default: {None})
|
||||
username {Optional[str]} -- The SCC username. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
password {Optional[str]} -- The SCC password. If none is given, it will prompt
|
||||
the user. (default: {None})
|
||||
download_strategy {DownloadStrategy} -- A function to determine which files need to
|
||||
be downloaded. Can save bandwidth and reduce the number of requests.
|
||||
(default: {download_modified_or_new})
|
||||
clean {bool} -- Whether to clean up when the method finishes.
|
||||
timeout {int} -- The download timeout for opencast videos. Sadly needed due to a
|
||||
requests bug.
|
||||
file_conflict_resolver {FileConflictResolver} -- A function specifying how to deal
|
||||
with overwriting or deleting files. The default always asks the user.
|
||||
"""
|
||||
# This authenticator only works with the KIT ilias instance.
|
||||
authenticator = Pferd._get_authenticator(username=username, password=password)
|
||||
PRETTY.starting_synchronizer(target, "ILIAS", "An ILIAS element by url")
|
||||
|
||||
if not full_url.startswith("https://ilias.studium.kit.edu"):
|
||||
raise FatalException("Not a valid KIT ILIAS URL")
|
||||
|
||||
organizer = self._ilias(
|
||||
target=target,
|
||||
base_url="https://ilias.studium.kit.edu/",
|
||||
crawl_function=lambda crawler: crawler.recursive_crawl_url(full_url),
|
||||
authenticator=authenticator,
|
||||
cookies=cookies,
|
||||
dir_filter=dir_filter,
|
||||
transform=transform,
|
||||
download_strategy=download_strategy,
|
||||
clean=clean,
|
||||
timeout=timeout,
|
||||
file_conflict_resolver=file_conflict_resolver
|
||||
)
|
||||
|
||||
self._download_summary.merge(organizer.download_summary)
|
||||
|
||||
return organizer
|
||||
|
||||
@swallow_and_print_errors
|
||||
def ipd_kit(
|
||||
self,
|
||||
target: Union[PathLike, Organizer],
|
||||
url: str,
|
||||
transform: Transform = lambda x: x,
|
||||
download_strategy: IpdDownloadStrategy = ipd_download_new_or_modified,
|
||||
clean: bool = True,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
"""
|
||||
Synchronizes a folder with a DIVA playlist.
|
||||
|
||||
Arguments:
|
||||
target {Union[PathLike, Organizer]} -- The organizer / target folder to use.
|
||||
url {str} -- the url to the page
|
||||
|
||||
Keyword Arguments:
|
||||
transform {Transform} -- A transformation function for the output paths. Return None
|
||||
to ignore a file. (default: {lambdax:x})
|
||||
download_strategy {DivaDownloadStrategy} -- A function to determine which files need to
|
||||
be downloaded. Can save bandwidth and reduce the number of requests.
|
||||
(default: {diva_download_new})
|
||||
clean {bool} -- Whether to clean up when the method finishes.
|
||||
file_conflict_resolver {FileConflictResolver} -- A function specifying how to deal
|
||||
with overwriting or deleting files. The default always asks the user.
|
||||
"""
|
||||
tmp_dir = self._tmp_dir.new_subdir()
|
||||
|
||||
if target is None:
|
||||
PRETTY.starting_synchronizer("None", "IPD", url)
|
||||
raise FatalException("Got 'None' as target directory, aborting")
|
||||
|
||||
if isinstance(target, Organizer):
|
||||
organizer = target
|
||||
else:
|
||||
organizer = Organizer(self.resolve(to_path(target)), file_conflict_resolver)
|
||||
|
||||
PRETTY.starting_synchronizer(organizer.path, "IPD", url)
|
||||
|
||||
elements: List[IpdDownloadInfo] = IpdCrawler(url).crawl()
|
||||
transformed = apply_transform(transform, elements)
|
||||
|
||||
if self._test_run:
|
||||
self._print_transformables(transformed)
|
||||
return organizer
|
||||
|
||||
downloader = IpdDownloader(tmp_dir=tmp_dir, organizer=organizer, strategy=download_strategy)
|
||||
downloader.download_all(transformed)
|
||||
|
||||
if clean:
|
||||
organizer.cleanup()
|
||||
|
||||
self._download_summary.merge(organizer.download_summary)
|
||||
|
||||
return organizer
|
||||
|
||||
@swallow_and_print_errors
|
||||
def diva_kit(
|
||||
self,
|
||||
target: Union[PathLike, Organizer],
|
||||
playlist_location: str,
|
||||
transform: Transform = lambda x: x,
|
||||
download_strategy: DivaDownloadStrategy = diva_download_new,
|
||||
clean: bool = True,
|
||||
file_conflict_resolver: FileConflictResolver = resolve_prompt_user
|
||||
) -> Organizer:
|
||||
"""
|
||||
Synchronizes a folder with a DIVA playlist.
|
||||
|
||||
Arguments:
|
||||
organizer {Organizer} -- The organizer to use.
|
||||
playlist_location {str} -- the playlist id or the playlist URL
|
||||
in the format 'https://mediaservice.bibliothek.kit.edu/#/details/DIVA-2019-271'
|
||||
|
||||
Keyword Arguments:
|
||||
transform {Transform} -- A transformation function for the output paths. Return None
|
||||
to ignore a file. (default: {lambdax:x})
|
||||
download_strategy {DivaDownloadStrategy} -- A function to determine which files need to
|
||||
be downloaded. Can save bandwidth and reduce the number of requests.
|
||||
(default: {diva_download_new})
|
||||
clean {bool} -- Whether to clean up when the method finishes.
|
||||
file_conflict_resolver {FileConflictResolver} -- A function specifying how to deal
|
||||
with overwriting or deleting files. The default always asks the user.
|
||||
"""
|
||||
tmp_dir = self._tmp_dir.new_subdir()
|
||||
|
||||
if playlist_location.startswith("http"):
|
||||
playlist_id = DivaPlaylistCrawler.fetch_id(playlist_link=playlist_location)
|
||||
else:
|
||||
playlist_id = playlist_location
|
||||
|
||||
if target is None:
|
||||
PRETTY.starting_synchronizer("None", "DIVA", playlist_id)
|
||||
raise FatalException("Got 'None' as target directory, aborting")
|
||||
|
||||
if isinstance(target, Organizer):
|
||||
organizer = target
|
||||
else:
|
||||
organizer = Organizer(self.resolve(to_path(target)), file_conflict_resolver)
|
||||
|
||||
PRETTY.starting_synchronizer(organizer.path, "DIVA", playlist_id)
|
||||
|
||||
crawler = DivaPlaylistCrawler(playlist_id)
|
||||
downloader = DivaDownloader(tmp_dir, organizer, download_strategy)
|
||||
|
||||
info = crawler.crawl()
|
||||
|
||||
transformed = apply_transform(transform, info)
|
||||
if self._test_run:
|
||||
self._print_transformables(transformed)
|
||||
return organizer
|
||||
|
||||
downloader.download_all(transformed)
|
||||
|
||||
if clean:
|
||||
organizer.cleanup()
|
||||
|
||||
self._download_summary.merge(organizer.download_summary)
|
||||
|
||||
return organizer
|
||||
async def run(self) -> None:
|
||||
print("Bleep bloop 1")
|
||||
await CRAWLERS["dummy"]("dummy", self._config._parser["dummy"]).run()
|
||||
print("Bleep bloop 2")
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user