mirror of https://github.com/borgbackup/borg.git
Refactor unique chunks summing
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@ -1481,8 +1481,8 @@ class ItemFormatter(BaseFormatter):
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self.call_keys = {
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'size': self.calculate_size,
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'csize': self.calculate_csize,
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'dsize': self.calculate_dsize,
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'dcsize': self.calculate_dcsize,
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'dsize': partial(self.sum_unique_chunks_metadata, lambda chunk: chunk.size),
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'dcsize': partial(self.sum_unique_chunks_metadata, lambda chunk: chunk.csize),
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'num_chunks': self.calculate_num_chunks,
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'unique_chunks': self.calculate_unique_chunks,
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'isomtime': partial(self.format_time, 'mtime'),
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@ -1531,6 +1531,20 @@ class ItemFormatter(BaseFormatter):
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item_data[key] = self.call_keys[key](item)
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return item_data
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def sum_unique_chunks_metadata(self, metadata_func, item):
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"""
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sum unique chunks metadata, a unique chunk is a chunk which is referenced globally as often as it is in the
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item
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item: The item to sum its unique chunks' metadata
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metadata_func: A function that takes a parameter of type ChunkIndexEntry and returns a number, used to return
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the metadata needed from the chunk
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"""
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chunk_index = self.archive.cache.chunks
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chunks = item.get('chunks', [])
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chunks_counter = Counter(c.id for c in chunks)
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return sum(metadata_func(c) for c in chunks if chunk_index[c.id].refcount == chunks_counter[c.id])
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def calculate_num_chunks(self, item):
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return len(item.get('chunks', []))
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@ -1544,18 +1558,6 @@ class ItemFormatter(BaseFormatter):
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def calculate_csize(self, item):
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return sum(c.csize for c in item.get('chunks', []))
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def calculate_dsize(self, item):
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chunk_index = self.archive.cache.chunks
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chunks = item.get('chunks', [])
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chunks_counter = Counter(c.id for c in chunks)
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return sum(c.size for c in chunks if chunk_index[c.id].refcount == chunks_counter[c.id])
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def calculate_dcsize(self, item):
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chunk_index = self.archive.cache.chunks
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chunks = item.get('chunks', [])
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chunks_counter = Counter(c.id for c in chunks)
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return sum(c.csize for c in chunks if chunk_index[c.id].refcount == chunks_counter[c.id])
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def hash_item(self, hash_function, item):
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if 'chunks' not in item:
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return ""
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