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[REFACTOR] simplify enhanced download archive (#551)

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This commit is contained in:
Jesse Bannon
2023-03-15 23:57:12 -07:00
committed by GitHub
parent 14ddd750d9
commit ac2bb4c018
1 changed files with 17 additions and 31 deletions
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48
src/ytdl_sub/ytdl_additions/enhanced_download_archive.py
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@@ -349,6 +349,16 @@ class EnhancedDownloadArchive:
6. ( Delete the working directory )
"""
@classmethod
def _maybe_load_download_mappings(cls, mapping_file_path: str) -> DownloadMappings:
"""
Tries to load download mappings if a file exists. Otherwise returns empty mappings.
"""
# If a mapping file exists in the output directory, load it up.
if os.path.isfile(mapping_file_path):
return DownloadMappings.from_file(json_file_path=mapping_file_path)
return DownloadMappings()
def __init__(
self,
subscription_name: str,
@@ -360,7 +370,9 @@ class EnhancedDownloadArchive:
self._file_handler = FileHandler(
working_directory=working_directory, output_directory=output_directory, dry_run=dry_run
)
self._download_mapping = DownloadMappings()
self._download_mapping = self._maybe_load_download_mappings(
mapping_file_path=self._mapping_output_file_path
)
self._logger = Logger.get(name=subscription_name)
@@ -396,7 +408,9 @@ class EnhancedDownloadArchive:
output_directory=self.output_directory,
dry_run=dry_run,
)
self._download_mapping = DownloadMappings()
self._download_mapping = self._maybe_load_download_mappings(
mapping_file_path=self._mapping_output_file_path
)
return self
@property
@@ -488,22 +502,7 @@ class EnhancedDownloadArchive:
raise ValueError("Tried to use download mapping before it was loaded")
return self._download_mapping
def _load(self) -> "EnhancedDownloadArchive":
"""
Tries to load download mappings if they are present in the output directory.
Returns
-------
self
"""
# If a mapping file exists in the output directory, load it up.
if os.path.isfile(self._mapping_output_file_path):
self._download_mapping = DownloadMappings.from_file(
json_file_path=self._mapping_output_file_path
)
return self
def _copy_mapping_to_working_directory(self) -> "EnhancedDownloadArchive":
def prepare_download_archive(self) -> "EnhancedDownloadArchive":
"""
If the mapping is not empty, create a download archive from it and save it into the
working directory. This will tell YTDL to not redownload already downloaded entries.
@@ -522,19 +521,6 @@ class EnhancedDownloadArchive:
return self
def prepare_download_archive(self) -> "EnhancedDownloadArchive":
"""
Helper function to load mappings and create a YTDL download archive file in the
working directory if mappings exist.
Returns
-------
self
"""
self._load()
self._copy_mapping_to_working_directory()
return self
def remove_stale_files(self, date_range: DateRange) -> "EnhancedDownloadArchive":
"""
Checks all entries within the mappings. If any entries' upload dates are not within the