Add error message in Numba implementation of SpecifyShape

ricardoV94 · ricardoV94 · commit aefe9890f299 · 2025-09-14T12:15:15.000+02:00
diff --git a/pytensor/link/numba/dispatch/basic.py b/pytensor/link/numba/dispatch/basic.py
@@ -541,11 +541,11 @@ def numba_funcify_SpecifyShape(op, node, **kwargs):
     shape_input_names = ["shape_" + str(i) for i in range(len(shape_inputs))]
 
     func_conditions = [
-        f"assert x.shape[{i}] == {shape_input_names}"
-        for i, (shape_input, shape_input_names) in enumerate(
+        f"assert x.shape[{i}] == {eval_dim_name}, f'SpecifyShape: dim {{{i}}} of input has shape {{x.shape[{i}]}}, expected {{{eval_dim_name}.item()}}.'"
+        for i, (node_dim_input, eval_dim_name) in enumerate(
             zip(shape_inputs, shape_input_names, strict=True)
         )
-        if shape_input is not NoneConst
+        if node_dim_input is not NoneConst
     ]
 
     func = dedent(

Original file line number	Diff line number	Diff line change
`@@ -541,11 +541,11 @@ def numba_funcify_SpecifyShape(op, node, **kwargs):`
`541`	`541`	`shape_input_names = ["shape_" + str(i) for i in range(len(shape_inputs))]`
`542`	`542`
`543`	`543`	`func_conditions = [`
`544`		`- f"assert x.shape[{i}] == {shape_input_names}"`
`545`		`- for i, (shape_input, shape_input_names) in enumerate(`
	`544`	`+ f"assert x.shape[{i}] == {eval_dim_name}, f'SpecifyShape: dim {{{i}}} of input has shape {{x.shape[{i}]}}, expected {{{eval_dim_name}.item()}}.'"`
	`545`	`+ for i, (node_dim_input, eval_dim_name) in enumerate(`
`546`	`546`	`zip(shape_inputs, shape_input_names, strict=True)`
`547`	`547`	`)`
`548`		`- if shape_input is not NoneConst`
	`548`	`+ if node_dim_input is not NoneConst`
`549`	`549`	`]`
`550`	`550`
`551`	`551`	`func = dedent(`