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Move lru_cache definitions to __init__ #18

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merged 2 commits into from
Feb 20, 2024
Merged

Move lru_cache definitions to __init__ #18

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3f7f8e3
Move lru_cache definitions to __init__
Miauwkeru Feb 20, 2024
9fd678b
Move lru_cache definitions down
Miauwkeru Feb 20, 2024
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6 changes: 4 additions & 2 deletions dissect/cim/index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,11 @@ class Index:
def __init__(self, cim, fh, mapping):
self.store = Store(cim, fh, mapping)

self._lookup = lru_cache(1024)(self._lookup)

def lookup(self, key):
return self._lookup(str(key), self.store.root_page)

@lru_cache(1024)
def _lookup(self, key, page):
matches = []

Expand Down Expand Up @@ -94,6 +95,8 @@ def __init__(self, store, fh, logical_num, page_num):

self.count = self.page.record_count

self.key = lru_cache(256)(self.key)

def _string_part(self, idx):
offset = self.page.string_table[idx]
return self.data[offset : self.data.find(b"\x00", offset)].decode("utf8")
Expand All @@ -108,7 +111,6 @@ def string(self, idx):

return "/".join(parts)

@lru_cache(256)
def key(self, idx):
str_idx = self.page.keys[idx]
key_idx = self.string(str_idx)
Expand Down
3 changes: 2 additions & 1 deletion dissect/cim/mappings.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ def __init__(self, cim, fh):

self._reverse_map = {}

self.get_entry = lru_cache(256)(self.get_entry)

def __getitem__(self, k):
if not isinstance(k, int):
raise ValueError("Invalid type")
Expand All @@ -31,7 +33,6 @@ def _generate_reverse_map(self):

self._reverse_map[pnum] = i

@lru_cache(256)
def get_entry(self, logical_num):
if logical_num > self.mapping.mapping_entry_count:
raise IndexError(logical_num)
Expand Down
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