54 lines
2.2 KiB
Python
54 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# coding=utf-8
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import re
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from pathlib import Path
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import praw.models
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from bulkredditdownloader.exceptions import BulkDownloaderException
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from bulkredditdownloader.resource import Resource
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class FileNameFormatter:
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key_terms = ('title', 'subreddit', 'redditor', 'postid', 'upvotes', 'flair', 'date')
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def __init__(self, file_format_string: str, directory_format_string: str):
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if not self.validate_string(file_format_string):
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raise BulkDownloaderException(f'"{file_format_string}" is not a valid format string')
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self.file_format_string = file_format_string
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if not self.validate_string(directory_format_string):
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raise BulkDownloaderException(f'"{directory_format_string}" is not a valid format string')
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self.directory_format_string = directory_format_string
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@staticmethod
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def _format_name(submission: praw.models.Submission, format_string: str) -> str:
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submission_attributes = {
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'title': submission.title,
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'subreddit': submission.subreddit.display_name,
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'redditor': submission.author.name,
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'postid': submission.id,
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'upvotes': submission.score,
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'flair': submission.link_flair_text,
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'date': submission.created_utc
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}
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result = format_string
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for key in submission_attributes.keys():
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if re.search(r'(?i).*{{{}}}.*'.format(key), result):
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result = re.sub(r'(?i){{{}}}'.format(key), str(submission_attributes.get(key, 'unknown')), result)
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result = result.replace('/', '')
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return result
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def format_path(self, resource: Resource, destination_directory: Path) -> Path:
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subfolder = destination_directory / self._format_name(resource.source_submission, self.directory_format_string)
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file_path = subfolder / (str(self._format_name(resource.source_submission,
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self.file_format_string)) + resource.extension)
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return file_path
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@staticmethod
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def validate_string(test_string: str) -> bool:
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if not test_string:
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return False
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return any([f'{{{key}}}' in test_string.lower() for key in FileNameFormatter.key_terms])
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