WIP: support TOML workflows specs file

Closes #21

Took 26 minutes

README.md

@@ -25,6 +25,7 @@ pip3 install seddy
 Install extra packages for further functionality
 * Coloured logging: ``coloredlogs``
 * YAML workflows specs file: ``pyyaml`` or ``ruamel.yaml``
+* TOML workflows specs file: ``toml``
 
 ## Usage
 Get the CLI usage

src/seddy/_util.py

@@ -16,6 +16,10 @@
         from ruamel import yaml
     except ImportError:
         yaml = e
+try:
+    import toml
+except ImportError as e:  # pragma: no cover
+    toml = e
 
 from . import decisions as seddy_decisions
 
@@ -172,4 +176,8 @@ def load_workflows(workflows_file: pathlib.Path) -> t.Dict[str, t.Any]:
         if isinstance(yaml, Exception):
             raise yaml
         return yaml.safe_load(workflows_text)
+    elif workflows_file.suffix == ".toml":
+        if isinstance(toml, Exception):
+            raise toml
+        return toml.loads(workflows_text)
     raise ValueError("Unknown extension: %s" % workflows_file.suffix)

tests/requirements.txt

@@ -3,3 +3,4 @@ pytest-cov
 coloredlogs
 moto
 pyyaml
+toml

tests/test_util.py

@@ -6,6 +6,7 @@
 from seddy import _util as seddy_util
 import pytest
 import yaml
+import toml
 
 
 def test_list_paginated():
@@ -88,6 +89,38 @@ def test_load_workflows_yaml_raises(tmp_path, workflows_spec):
     assert e.value == yaml_exc
 
 
+def test_load_workflows_toml(tmp_path, workflows_spec):
+    """Test workflows specs loading from TOML."""
+    # Build input
+    workflows_file = tmp_path / "workflows.yml"
+    workflows_file.write_text(toml.dumps(workflows_spec))
+    print(workflows_file.read_text())
+
+    # Run function
+    res = seddy_util.load_workflows(workflows_file)
+    print(workflows_spec)
+    print(res)
+    print(json.dumps(workflows_spec, indent=4))
+    print(json.dumps(res, indent=4))
+    assert res == workflows_spec
+
+
+def test_load_workflows_toml_raises(tmp_path, workflows_spec):
+    """Test workflows specs loading from TOML raises when unavailable."""
+    # Setup environment
+    toml_exc = ModuleNotFoundError("toml")
+    toml_patch = mock.patch.object(seddy_util, "toml", toml_exc)
+
+    # Build input
+    workflows_file = tmp_path / "workflows.toml"
+    workflows_file.write_text(toml.dumps(workflows_spec))
+
+    # Run function
+    with pytest.raises(ModuleNotFoundError) as e, toml_patch:
+        seddy_util.load_workflows(workflows_file)
+    assert e.value == toml_exc
+
+
 def test_load_workflows_with_incorrect_suffix(tmp_path, workflows_spec):
     """Test workflows specs loading raises for incorrect suffix."""
     # Build input