Support pre-petab.v1

petabtests/file.py

@@ -8,8 +8,6 @@
 import petab
 import yaml
 from petab.C import *  # noqa: F403
-from petab.v1.lint import lint_problem as lint_problem_v1
-from petab.v2.lint import lint_problem as lint_problem_v2
 from .C import *  # noqa: F403
 
 __all__ = [
@@ -185,17 +183,28 @@ def write_problem(
     with open(yaml_path, 'w') as outfile:
         yaml.dump(config, outfile, default_flow_style=False)
 
-    # validate written PEtab files
-    if format_version == 1:
-        # PEtab v1
-        problem = petab.Problem.from_yaml(yaml_path)
-        if lint_problem_v1(problem):
-            raise RuntimeError("Invalid PEtab problem, see messages above.")
-    else:
-        # v2
-        validation_result = lint_problem_v2(yaml_path)
-        if validation_result:
-            print(validation_result)
+    # FIXME Until a first libpetab with petab.v1 subpackage is released
+    try:
+        # new petab version
+        from petab.v1.lint import lint_problem as lint_problem_v1
+        from petab.v2.lint import lint_problem as lint_problem_v2
+
+        # validate written PEtab files
+        if format_version == 1:
+            # PEtab v1
+            problem = petab.Problem.from_yaml(yaml_path)
+            if lint_problem_v1(problem):
+                raise RuntimeError("Invalid PEtab problem, see messages above.")
+        else:
+            # v2
+            validation_result = lint_problem_v2(yaml_path)
+            if validation_result:
+                print(validation_result)
+                raise RuntimeError("Invalid PEtab problem, see messages above.")
+    except ModuleNotFoundError:
+        # old petab version (will fail validation for some v2 tests)
+        problem = petab.Problem.from_yaml(os.path.join(dir_, yaml_file))
+        if petab.lint_problem(problem):
             raise RuntimeError("Invalid PEtab problem, see messages above.")