Merge branch 'master' of https://github.com/explosion/spaCy

spacy/cli/validate.py

@@ -20,13 +20,16 @@ def validate():
         prints("Couldn't fetch compatibility table.",
                title="Server error (%d)" % r.status_code, exits=1)
     compat = r.json()['spacy']
+    current_compat = compat.get(about.__version__)
+    if not current_compat:
+        prints(about.__compatibility__, exits=1,
+               title="Can't find spaCy v{} in compatibility table"
+               .format(about.__version__))
     all_models = set()
     for spacy_v, models in dict(compat).items():
         all_models.update(models.keys())
         for model, model_vs in models.items():
             compat[spacy_v][model] = [reformat_version(v) for v in model_vs]
-
-    current_compat = compat[about.__version__]
     model_links = get_model_links(current_compat)
     model_pkgs = get_model_pkgs(current_compat, all_models)
     incompat_links = {l for l, d in model_links.items() if not d['compat']}

spacy/language.py

@@ -236,6 +236,14 @@ class Language(object):
             >>> nlp.add_pipe(component, before='ner')
             >>> nlp.add_pipe(component, name='custom_name', last=True)
         """
+        if not hasattr(component, '__call__'):
+            msg = ("Not a valid pipeline component. Expected callable, but "
+                   "got {}. ".format(repr(component)))
+            if isinstance(component, basestring_) and component in self.factories:
+                msg += ("If you meant to add a built-in component, use "
+                        "create_pipe: nlp.add_pipe(nlp.create_pipe('{}'))"
+                        .format(component))
+            raise ValueError(msg)
         if name is None:
             if hasattr(component, 'name'):
                 name = component.name

spacy/tests/pipeline/test_pipe_methods.py

@@ -107,3 +107,9 @@ def test_add_lots_of_pipes(nlp, n_pipes):
     for i in range(n_pipes):
         nlp.add_pipe(lambda doc: doc, name='pipe_%d' % i)
     assert len(nlp.pipe_names) == n_pipes
+
+
+@pytest.mark.parametrize('component', ['ner', {'hello': 'world'}])
+def test_raise_for_invalid_components(nlp, component):
+    with pytest.raises(ValueError):
+        nlp.add_pipe(component)

website/usage/_install/_instructions.jade

@@ -238,7 +238,7 @@ p
     python -m pytest <spacy-directory> --models --en   # basic and English model tests
 
 +infobox("Note on model tests", "⚠️")
-    |  The test suite specifies a #[+a(gh("spacy", "tests/conftest.py")) list of models]
+    |  The test suite specifies a #[+a(gh("spacy", "spacy/tests/conftest.py")) list of models]
     |  to run the tests on. If a model is not installed, the tests will be
     |  skipped. If all models are installed, the respective tests will run once
     |  for each model. The easiest way to find out which models and model