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from plugin.core.backup.models.revision import BackupRevision |
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from plugin.core.helpers.variable import json_date_serializer |
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from datetime import datetime |
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import json |
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import logging |
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log = logging.getLogger(__name__) |
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class BackupArchive(BackupRevision): |
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def __init__(self, date, archive, files, tag=None, attributes=None, path=None): |
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if type(date) is not tuple: |
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raise ValueError('Invalid value provided for "date" parameter') |
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# Set attributes |
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if attributes is None: |
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attributes = {} |
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attributes['date'] = date |
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attributes['files'] = files |
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# Construct revision |
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super(BackupArchive, self).__init__(None, [archive], tag, attributes, path) |
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# Set class properties |
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self.files = files |
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# Parse "date" tuple into a datetime object |
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if len(date) == 2: |
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self.timestamp = datetime(date[0], date[1], 1) |
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self.period = 'month' |
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elif len(date) == 1: |
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self.timestamp = datetime(date[0], 1, 1) |
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self.period = 'year' |
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@property |
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def date(self): |
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if self.period == 'month': |
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return self.timestamp.year, self.timestamp.month |
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if self.period == 'year': |
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return self.timestamp.year, |
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raise ValueError('Invalid period: %r' % self.period) |
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@classmethod |
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def load(cls, path): |
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# Read json from `path` |
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with open(path, 'rb') as fp: |
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metadata = json.load(fp) |
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if not metadata: |
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return None |
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# Parse date |
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date = metadata.pop('date') |
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# Construct `BackupRevision` object |
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return cls( |
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date, |
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metadata.pop('contents')[0], |
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metadata.pop('files'), |
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tag=metadata.pop('tag', None), |
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attributes=metadata, |
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path=path |
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) |
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def save(self, path): |
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log.debug('Writing backup revision metadata to %r', path) |
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try: |
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# Write revision metadata to disk |
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with open(path, 'wb') as fp: |
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json.dump(self.dict(), fp, default=json_date_serializer) |
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except Exception, ex: |
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log.warn('Unable to save metadata - %s', ex, exc_info=True) |
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return False |
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# Update current revision path |
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self.path = path |
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return True |
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def __repr__(self): |
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properties = [] |
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if self.date: |
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properties.append(('date', self.date)) |
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if self.path: |
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properties.append(('path', self.path)) |
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return '<BackupArchive %s>' % ( |
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', '.join([ |
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'%s: %r' % (key, value) |
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for key, value in properties |
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]) |
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) |
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fuzeman /
Plex-Trakt-Scrobbler
