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Issue #31 - Access name attribute of any type object #92

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Merged
merged 2 commits into from
Feb 13, 2023
Merged

Issue #31 - Access name attribute of any type object #92

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b8dfd81
Issue #31 - Access name attribute of any type object
erichare Feb 6, 2023
5ab399b
Helper function for string representation of object
erichare Feb 10, 2023
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21 changes: 14 additions & 7 deletions pulsar/schema/definition.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,17 @@
from enum import Enum, EnumMeta


def _string_representation(x):
if hasattr(x, "__name__"):
return x.__name__
else:
return str(x)


def _check_record_or_field(x):
if (type(x) is type and not issubclass(x, Record)) \
and not isinstance(x, Field):
raise Exception('Argument ' + x + ' is not a Record or a Field')
raise Exception('Argument ' + _string_representation(x) + ' is not a Record or a Field')


class RecordMeta(type):
Expand Down Expand Up @@ -188,7 +195,7 @@ def validate_type(self, name, val):

if not isinstance(val, self.__class__):
raise TypeError("Invalid type '%s' for sub-record field '%s'. Expected: %s" % (
type(val), name, self.__class__))
type(val), name, _string_representation(self.__class__)))
return val

def default(self):
Expand Down Expand Up @@ -222,7 +229,7 @@ def validate_type(self, name, val):
return self.default()

if type(val) != self.python_type():
raise TypeError("Invalid type '%s' for field '%s'. Expected: %s" % (type(val), name, self.python_type()))
raise TypeError("Invalid type '%s' for field '%s'. Expected: %s" % (type(val), name, _string_representation(self.python_type())))
return val

def schema(self):
Expand Down Expand Up @@ -368,7 +375,7 @@ def default(self):
class CustomEnum(Field):
def __init__(self, enum_type, default=None, required=False, required_default=False):
if not issubclass(enum_type, Enum):
raise Exception(enum_type + " is not a valid Enum type")
raise Exception(_string_representation(enum_type) + " is not a valid Enum type")
self.enum_type = enum_type
self.values = {}
for x in enum_type.__members__.values():
Expand Down Expand Up @@ -400,7 +407,7 @@ def validate_type(self, name, val):
raise TypeError(
"Invalid enum value '%s' for field '%s'. Expected: %s" % (val, name, self.values.keys()))
elif type(val) != self.python_type():
raise TypeError("Invalid type '%s' for field '%s'. Expected: %s" % (type(val), name, self.python_type()))
raise TypeError("Invalid type '%s' for field '%s'. Expected: %s" % (type(val), name, _string_representation(self.python_type())))
else:
return val

Expand Down Expand Up @@ -445,7 +452,7 @@ def validate_type(self, name, val):
for x in val:
if type(x) != self.array_type.python_type():
raise TypeError('Array field ' + name + ' items should all be of type ' +
self.array_type.type())
_string_representation(self.array_type.type()))
return val

def schema(self):
Expand Down Expand Up @@ -488,7 +495,7 @@ def validate_type(self, name, val):
raise TypeError('Map keys for field ' + name + ' should all be strings')
if type(v) != self.value_type.python_type():
raise TypeError('Map values for field ' + name + ' should all be of type '
+ self.value_type.python_type())
+ _string_representation(self.value_type.python_type()))

return val

Expand Down