Skip to content

Add preserve_missing_values parameter to cast_value function #260

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 1 commit into from
Nov 25, 2019
Merged

Add preserve_missing_values parameter to cast_value function #260

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
5 changes: 4 additions & 1 deletion tableschema/field.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -79,12 +79,15 @@ def descriptor(self):
"""
return self.__descriptor

def cast_value(self, value, constraints=True):
def cast_value(self, value, constraints=True, preserve_missing_values=False):
"""https://github.com/frictionlessdata/tableschema-py#field
"""

# Null value
if value in self.__missing_values:
# If missing_values should be preserved without being cast
if preserve_missing_values:
return value
value = None

# Cast value
Expand Down