Remove unused aesara.graph.callcache

aesara/graph/callcache.py

-import logging
-import pickle
-
-
-_logger = logging.getLogger("aesara.graph.callcache")
-
-
-class CallCache:
-    def __init__(self, filename=None):
-        self.filename = filename
-        try:
-            if filename is None:
-                raise OSError("bad filename")  # just goes to except
-            with open(filename) as f:
-                self.cache = pickle.load(f)
-        except OSError:
-            self.cache = {}
-
-    def persist(self, filename=None):
-        """
-        Cache "filename" as a pickle file
-        """
-        if filename is None:
-            filename = self.filename
-        with open(filename, "w") as f:
-            pickle.dump(self.cache, f)
-
-    def call(self, fn, args=(), key=None):
-        """
-        Retrieve item from the cache(if available)
-        based on a key
-
-        Parameters:
-        ----------
-        key
-            parameter to retrieve cache item
-        fn,args
-            key to retrieve if "key" is None
-        """
-        if key is None:
-            key = (fn, tuple(args))
-        if key not in self.cache:
-            _logger.debug("cache miss %i", len(self.cache))
-            self.cache[key] = fn(*args)
-        else:
-            _logger.debug("cache hit %i", len(self.cache))
-        return self.cache[key]
-
-    def __del__(self):
-        try:
-            if self.filename:
-                self.persist()
-        except Exception as e:
-            _logger.error("persist failed %s %s", self.filename, e)

aesara/link/c/basic.py

@@ -3,7 +3,6 @@ Defines Linkers that deal with C implementations.
 
 """
 import logging
-import os
 import sys
 from collections import defaultdict
 from copy import copy
@@ -21,7 +20,6 @@ from aesara.graph.basic import (
     io_toposort,
     vars_between,
 )
-from aesara.graph.callcache import CallCache
 from aesara.link.basic import Container, Linker, LocalLinker, PerformLinker
 from aesara.link.c.cmodule import (
     METH_VARARGS,
@@ -55,18 +53,6 @@ def get_module_cache(init_args=None):
     return _get_module_cache(config.compiledir, init_args=init_args)
 
 
-_persistent_module_cache = None
-
-
-def get_persistent_module_cache():
-    global _persistent_module_cache
-    if _persistent_module_cache is None:
-        _persistent_module_cache = CallCache(
-            os.path.join(config.compiledir, "persistent_cache")
-        )
-    return _persistent_module_cache
-
-
 class CodeBlock:
     """
     Represents a computation unit composed of declare, behavior, and cleanup.