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13 changes: 13 additions & 0 deletions services/modelserving/src/stackit/modelserving/models/token.py
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,19 @@ def state_validate_enum(cls, value):
raise ValueError("must be one of enum values ('creating', 'active', 'deleting', 'inactive')")
return value

@field_validator("valid_until", mode="before")
def valid_until_change_year_zero_to_one(cls, value):
"""Workaround which prevents year 0 issue"""
if isinstance(value, str):
# Check for year "0000" at the beginning of the string
# This assumes common date formats like YYYY-MM-DDTHH:MM:SS+00:00 or YYYY-MM-DDTHH:MM:SSZ
if value.startswith("0000-01-01T") and re.match(
r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\+\d{2}:\d{2}|Z)$", value
):
# Workaround: Replace "0000" with "0001"
return "0001" + value[4:] # Take "0001" and append the rest of the string
return value

model_config = ConfigDict(
populate_by_name=True,
validate_assignment=True,
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,19 @@ def state_validate_enum(cls, value):
raise ValueError("must be one of enum values ('creating', 'active', 'deleting')")
return value

@field_validator("valid_until", mode="before")
def valid_until_change_year_zero_to_one(cls, value):
"""Workaround which prevents year 0 issue"""
if isinstance(value, str):
# Check for year "0000" at the beginning of the string
# This assumes common date formats like YYYY-MM-DDTHH:MM:SS+00:00 or YYYY-MM-DDTHH:MM:SSZ
if value.startswith("0000-01-01T") and re.match(
r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\+\d{2}:\d{2}|Z)$", value
):
# Workaround: Replace "0000" with "0001"
return "0001" + value[4:] # Take "0001" and append the rest of the string
return value

model_config = ConfigDict(
populate_by_name=True,
validate_assignment=True,
Expand Down