two version of R2R are here HEAD master

1 files changed, 152 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/cachetools/_decorators.py b/.venv/lib/python3.12/site-packages/cachetools/_decorators.py
new file mode 100644
index 00000000..fcac1e01
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/cachetools/_decorators.py
@@ -0,0 +1,152 @@
+"""Extensible memoizing decorator helpers."""
+
+
+def _cached_locked_info(func, cache, key, lock, info):
+    hits = misses = 0
+
+    def wrapper(*args, **kwargs):
+        nonlocal hits, misses
+        k = key(*args, **kwargs)
+        with lock:
+            try:
+                result = cache[k]
+                hits += 1
+                return result
+            except KeyError:
+                misses += 1
+        v = func(*args, **kwargs)
+        with lock:
+            try:
+                # in case of a race, prefer the item already in the cache
+                return cache.setdefault(k, v)
+            except ValueError:
+                return v  # value too large
+
+    def cache_clear():
+        nonlocal hits, misses
+        with lock:
+            cache.clear()
+            hits = misses = 0
+
+    def cache_info():
+        with lock:
+            return info(hits, misses)
+
+    wrapper.cache_clear = cache_clear
+    wrapper.cache_info = cache_info
+    return wrapper
+
+
+def _cached_unlocked_info(func, cache, key, info):
+    hits = misses = 0
+
+    def wrapper(*args, **kwargs):
+        nonlocal hits, misses
+        k = key(*args, **kwargs)
+        try:
+            result = cache[k]
+            hits += 1
+            return result
+        except KeyError:
+            misses += 1
+        v = func(*args, **kwargs)
+        try:
+            cache[k] = v
+        except ValueError:
+            pass  # value too large
+        return v
+
+    def cache_clear():
+        nonlocal hits, misses
+        cache.clear()
+        hits = misses = 0
+
+    wrapper.cache_clear = cache_clear
+    wrapper.cache_info = lambda: info(hits, misses)
+    return wrapper
+
+
+def _uncached_info(func, info):
+    misses = 0
+
+    def wrapper(*args, **kwargs):
+        nonlocal misses
+        misses += 1
+        return func(*args, **kwargs)
+
+    def cache_clear():
+        nonlocal misses
+        misses = 0
+
+    wrapper.cache_clear = cache_clear
+    wrapper.cache_info = lambda: info(0, misses)
+    return wrapper
+
+
+def _cached_locked(func, cache, key, lock):
+    def wrapper(*args, **kwargs):
+        k = key(*args, **kwargs)
+        with lock:
+            try:
+                return cache[k]
+            except KeyError:
+                pass  # key not found
+        v = func(*args, **kwargs)
+        with lock:
+            try:
+                # in case of a race, prefer the item already in the cache
+                return cache.setdefault(k, v)
+            except ValueError:
+                return v  # value too large
+
+    def cache_clear():
+        with lock:
+            cache.clear()
+
+    wrapper.cache_clear = cache_clear
+    return wrapper
+
+
+def _cached_unlocked(func, cache, key):
+    def wrapper(*args, **kwargs):
+        k = key(*args, **kwargs)
+        try:
+            return cache[k]
+        except KeyError:
+            pass  # key not found
+        v = func(*args, **kwargs)
+        try:
+            cache[k] = v
+        except ValueError:
+            pass  # value too large
+        return v
+
+    wrapper.cache_clear = lambda: cache.clear()
+    return wrapper
+
+
+def _uncached(func):
+    def wrapper(*args, **kwargs):
+        return func(*args, **kwargs)
+
+    wrapper.cache_clear = lambda: None
+    return wrapper
+
+
+def _cached_wrapper(func, cache, key, lock, info):
+    if info is not None:
+        if cache is None:
+            wrapper = _uncached_info(func, info)
+        elif lock is None:
+            wrapper = _cached_unlocked_info(func, cache, key, info)
+        else:
+            wrapper = _cached_locked_info(func, cache, key, lock, info)
+    else:
+        if cache is None:
+            wrapper = _uncached(func)
+        elif lock is None:
+            wrapper = _cached_unlocked(func, cache, key)
+        else:
+            wrapper = _cached_locked(func, cache, key, lock)
+        wrapper.cache_info = None
+    return wrapper