Skip to content

verbosify cirq_type deprecation #5339

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
May 20, 2022
Merged

verbosify cirq_type deprecation #5339

Changes from 4 commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
5921b73
verbosify cirq_type deprecation
95-martin-orion May 9, 2022
1034ac9
-vv
95-martin-orion May 9, 2022
d10e892
-vvv
95-martin-orion May 10, 2022
6627d9c
point at custom resolver docs
95-martin-orion May 13, 2022
e4344cb
Merge branch 'master' into verbose-cirq-type-depr
CirqBot May 20, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 12 additions & 3 deletions cirq-core/cirq/protocols/json_serialization.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -283,9 +283,18 @@ def _json_dict_with_cirq_type(obj: Any):
if 'cirq_type' in base_dict:
# TODO: upgrade to ValueError in v0.15
warnings.warn(
f"Found 'cirq_type': '{base_dict['cirq_type']}' in _json_dict_. "
f"Custom values of this field are not permitted, and will produce "
"an error starting in Cirq v0.15.",
f"Found 'cirq_type': '{base_dict['cirq_type']}' in user-specified _json_dict_. "
"'cirq_type' is now automatically generated from the class's name and its "
"_json_namespace_ method as `cirq_type: '[<namespace>.]<class_name>'`."
"\n\n"
"Starting in v0.15, custom 'cirq_type' values will trigger an error. "
"To fix this, remove 'cirq_type' from the class _json_dict_ method and "
"define _json_namespace_ for the class."
"\n\n"
"For backwards compatibility, third-party classes whose old 'cirq_type' value "
"does not match the new value must appear under BOTH values in the resolver "
"for that package. For details on defining custom resolvers, see the "
"DEFAULT_RESOLVER docstring in cirq-core/cirq/protocols/json_serialization.py.",
DeprecationWarning,
)
return base_dict
Expand Down