Kami commented on code in PR #1983:
URL: https://github.com/apache/libcloud/pull/1983#discussion_r1581834280
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libcloud/compute/drivers/kubevirt.py:
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@@ -1231,3 +1719,151 @@ def ex_delete_service(self, namespace, service_name):
except Exception:
raise
return result.status in VALID_RESPONSE_CODES
+
+
+def _deep_merge_dict(source: dict, destination: dict) -> dict:
+ """
+ Deep merge two dictionaries: source into destination.
+ For conflicts, prefer source's non-zero values over destination's.
+ (By non-zero, we mean that bool(value) is True.)
+
+ Extended from https://stackoverflow.com/a/20666342, added zero value
handling.
+
+ Example::
+
+ >>> a = {"domain": {"devices": 0}, "volumes": [1, 2, 3], "network": {}}
+ >>> b = {"domain": {"machine": "non-exist-in-a", "devices": 1024},
"volumes": [4, 5, 6]}
+ >>> _deep_merge_dict(a, b)
+ {'domain': {'machine': 'non-exist-in-a', 'devices': 1024}, 'volumes':
[1, 2, 3], 'network': {}}
+
+ In the above example:
+
+ - network: exists in source (a) but not in destination (b): add source
(a)'s
+ - volumes: exists in both, both are non-zero: prefer source (a)'s
+ - devices: exists in both: source (a) is zero, destination (b) is
non-zero: keep destination (b)'s
+ - machine: exists in destination (b) but not in source (a): reserve
destination (b)'s
+
+ :param source: RO: A dict to be merged into another.
+ Do not use circular dict (e.g. d = {}; d['d'] = d) as
source,
+ otherwise a RecursionError will be raised.
+ :param destination: RW: A dict to be merged into. (the value will be
modified).
+
+ :return: dict: Updated destination.
+ """
+ for key, value in source.items():
+ if isinstance(value, dict): # recurse for dicts
+ node = destination.setdefault(key, {}) # get node or create one
+ _deep_merge_dict(value, node)
+ elif key not in destination: # not existing in destination: add it
+ destination[key] = value
+ elif value: # existing: update if source's value is non-zero
+ destination[key] = value
+
+ return destination
+
+
+def _memory_in_MB(memory): # type: (Union[str, int]) -> int
Review Comment:
Same here, some tests would this function would be good.
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