Try

Try a list of wrangles and catch any errors that occur.

Run a list of wrangles and catch errors. When except is provided, its wrangles or fallback column values run after an error; otherwise, the error is logged and the recipe continues.

Parameters

Name	Description	Accepted Values	Default	Required
Conditions
if	Condition that determines whether the wrangle runs as a whole. Recipe variables may be referenced with ${variable}.	string	—	No
where	Filter rows before applying the wrangle using SQL-like criteria, such as column1 = 123 OR column2 = 'abc'.	string	—	No
where_params	Values used with where for parameterized criteria. Uses SQLite placeholder syntax such as ? or :name.	array, object	—	No
Execution
wrangles	List of wrangles to apply.	array	—	Yes
Errors
retries	Number of times to retry the wrangles if an error occurs. Default 0.	integer	0	No
except	An action to take if the wrangles encounter an error. This can contain a list of wrangles or a dictionary of column names and values. If except is not provided, the error will be logged and the recipe will continue.	object	—	No

Examples

wrangles:
  - try:
      wrangles:
        - risky_wrangle:
            input: column
      except:
        - backup_wrangle:
            input: column

The input dataframe is passed to the primary wrangles.

The primary result is returned on success; the except result is returned after an error.

Access

Requirement	Value
AI-powered	No
Requires WrangleWorks account	No
Requires subscription	No
Requires external API key	No

Technical details

Field	Value
Catalog ID	98
Catalog key	try
Recipe key	try
Catalog status	active
Lifecycle status	active
Recipe Writer eligible	No
Recipe Writer exclusion	Error-control orchestration is not supported in the baseline.
Namespace	Root-level
Documentation group	utility
Aliases	None
Runtime symbol	wrangles.recipe_wrangles.main.Try
Legacy UUID	None

Sources

• WranglesPY try implementation
• Archived try Markdown