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authorLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-09-24 12:21:56 +0530
committerLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-09-24 12:21:56 +0530
commit86f99da8d08e1f2e290d8ebfd5adb016faff7bac (patch)
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+#!/usr/bin/python
+#
+# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
+# Copyright (c) 2008-2016 California Institute of Technology.
+# Copyright (c) 2016-2022 The Uncertainty Quantification Foundation.
+# License: 3-clause BSD. The full license text is available at:
+# - https://github.com/uqfoundation/dill/blob/master/LICENSE
+"""
+display the reference paths for objects in ``dill.types`` or a .pkl file
+
+Notes:
+ the generated image is useful in showing the pointer references in
+ objects that are or can be pickled. Any object in ``dill.objects``
+ listed in ``dill.load_types(picklable=True, unpicklable=True)`` works.
+
+Examples::
+
+ $ get_objgraph FrameType
+ Image generated as FrameType.png
+"""
+
+import dill as pickle
+#pickle.debug.trace(True)
+#import pickle
+
+# get all objects for testing
+from dill import load_types
+load_types(pickleable=True,unpickleable=True)
+from dill import objects
+
+if __name__ == "__main__":
+ import sys
+ if len(sys.argv) != 2:
+ print ("Please provide exactly one file or type name (e.g. 'IntType')")
+ msg = "\n"
+ for objtype in list(objects.keys())[:40]:
+ msg += objtype + ', '
+ print (msg + "...")
+ else:
+ objtype = str(sys.argv[-1])
+ try:
+ obj = objects[objtype]
+ except KeyError:
+ obj = pickle.load(open(objtype,'rb'))
+ import os
+ objtype = os.path.splitext(objtype)[0]
+ try:
+ import objgraph
+ objgraph.show_refs(obj, filename=objtype+'.png')
+ except ImportError:
+ print ("Please install 'objgraph' to view object graphs")
+
+
+# EOF