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-rw-r--r--Lib/copy_reg.py10
1 files changed, 7 insertions, 3 deletions
diff --git a/Lib/copy_reg.py b/Lib/copy_reg.py
index 209eab5..db4eb66 100644
--- a/Lib/copy_reg.py
+++ b/Lib/copy_reg.py
@@ -1,17 +1,21 @@
+# Helper to provide extensibility for pickle/cPickle.
+
dispatch_table = {}
safe_constructors = {}
def pickle(ob_type, pickle_function, constructor_ob = None):
dispatch_table[ob_type] = pickle_function
- if (constructor_ob is not None):
+ if constructor_ob is not None:
constructor(constructor_ob)
def constructor(object):
safe_constructors[object] = 1
+# Example: provide pickling support for complex numbers.
+
def pickle_complex(c):
- return complex,(c.real, c.imag)
+ return complex, (c.real, c.imag)
-pickle(type(1j),pickle_complex,complex)
+pickle(type(1j), pickle_complex, complex)