Added support for extensionless imports.

4 files changed, 43 insertions, 7 deletions

diff --git a/django_pyscss/scss.py b/django_pyscss/scss.py
index 3423b2c..1185f10 100644
--- a/django_pyscss/scss.py
+++ b/django_pyscss/scss.py
@@ -28,6 +28,8 @@ class DjangoScss(Scss):
     A subclass of the Scss compiler that uses the storages API for accessing
     files.
     """
+    supported_extensions = ['.scss', '.sass', '.css']
+
     def get_file_from_storage(self, filename):
         try:
             filename = staticfiles_storage.path(filename)
@@ -47,19 +49,27 @@ class DjangoScss(Scss):
         else:
             return self.get_file_from_storage(filename)
 
-    def get_possible_import_paths(self, filename, relative_to=None):
+    def get_possible_import_paths(self, path, relative_to=None):
         """
-        Returns an iterable of possible filenames for an import.
+        Returns an iterable of possible paths for an import.
 
         relative_to is None in the case that the SCSS is being rendered from a
         string or if it is the first file.
         """
-        if filename.startswith('/'):  # absolute import
-            filename = filename[1:]
-        elif relative_to:  # relative import
-            filename = os.path.join(relative_to, filename)
+        paths = []
 
-        return [filename]
+        if path.startswith('/'):  # absolute import
+            path = path[1:]
+        elif relative_to:  # relative import
+            path = os.path.join(relative_to, path)
+        paths.append(path)
+
+        dirname, filename = os.path.split(path)
+        name, ext = os.path.splitext(filename)
+        if not ext:
+            for extension in self.supported_extensions:
+                paths.append(os.path.join(dirname, name + extension))
+        return paths
 
     def _find_source_file(self, filename, relative_to=None):
         for name in self.get_possible_import_paths(filename, relative_to):
diff --git a/testproject/testproject/static/css/css_file.css b/testproject/testproject/static/css/css_file.css
new file mode 100644
index 0000000..0a9c27e
--- /dev/null
+++ b/testproject/testproject/static/css/css_file.css
@@ -0,0 +1,3 @@
+.css {
+  color: #001100;
+}
diff --git a/testproject/testproject/static/css/sass_file.sass b/testproject/testproject/static/css/sass_file.sass
new file mode 100644
index 0000000..fb03d35
--- /dev/null
+++ b/testproject/testproject/static/css/sass_file.sass
@@ -0,0 +1,2 @@
+.sass
+  color: #009900
diff --git a/tests/test_scss.py b/tests/test_scss.py
index d538068..e7f6fbd 100644
--- a/tests/test_scss.py
+++ b/tests/test_scss.py
@@ -17,6 +17,15 @@ with open(os.path.join(settings.BASE_DIR, 'testapp1', 'static', 'css', 'app1.scs
 
 APP2_CONTENTS = FOO_CONTENTS + APP1_CONTENTS
 
+SASS_CONTENTS = """
+.sass {
+  color: #009900;
+}
+"""
+
+with open(os.path.join(settings.BASE_DIR, 'testproject', 'static', 'css', 'css_file.css')) as f:
+    CSS_CONTENTS = f.read()
+
 
 class CompilerTestMixin(object):
     def setUp(self):
@@ -56,6 +65,18 @@ class ImportTestMixin(CompilerTestMixin):
         actual = self.compiler.compile(scss_string='@import "this-file-does-not-and-should-never-exist.scss";')
         self.assertEqual(clean_css(actual), '')
 
+    def test_no_extension_import(self):
+        actual = self.compiler.compile(scss_string='@import "/css/foo";')
+        self.assertEqual(clean_css(actual), clean_css(FOO_CONTENTS))
+
+    def test_no_extension_import_sass(self):
+        actual = self.compiler.compile(scss_string='@import "/css/sass_file";')
+        self.assertEqual(clean_css(actual), clean_css(SASS_CONTENTS))
+
+    def test_no_extension_import_css(self):
+        actual = self.compiler.compile(scss_string='@import "/css/css_file";')
+        self.assertEqual(clean_css(actual), clean_css(CSS_CONTENTS))
+
 
 @override_settings(DEBUG=True)
 class FindersImportTest(ImportTestMixin, TestCase):