Add source maps support for Stylus

Author: Andrey Fedoseev

CHANGES.rst

@@ -8,6 +8,7 @@ Dev
 - Add source maps support for SASS/SCSS
 - Add source maps support for LESS
 - Add source maps support for CoffeeScript
+- Add source maps support for Stylus
 
 
 1.0.1

README.rst

@@ -241,10 +241,13 @@ Stylus
 ``executable``
   Path to Stylus compiler executable. Default: ``"stylus"``.
 
+``sourcemap_enabled``
+  Boolean. Set to ``True`` to enable source maps. Default: ``False``
+
 Example::
 
     STATIC_PRECOMPILER_COMPILERS = (
-        ('static_precompiler.compilers.Stylus', {"executable": "/usr/bin/stylus"),
+        ('static_precompiler.compilers.Stylus', {"executable": "/usr/bin/stylus", "sourcemap_enabled": True),
     )
 
 

static_precompiler/compilers/stylus.py

@@ -19,8 +19,9 @@ class Stylus(base.BaseCompiler):
 
     IMPORT_RE = re.compile(r"@(?:import|require)\s+(.+?)\s*$", re.MULTILINE)
 
-    def __init__(self, executable="stylus"):
+    def __init__(self, executable="stylus", sourcemap_enabled=False):
         self.executable = executable
+        self.is_sourcemap_enabled = sourcemap_enabled
         super(Stylus, self).__init__()
 
     def compile_source(self, source):
@@ -40,9 +41,13 @@ def compile_file(self, source_path):
         full_output_path = self.get_full_output_path(source_path)
         args = [
             self.executable,
+        ]
+        if self.is_sourcemap_enabled:
+            args.append("-m")
+        args.extend([
             full_source_path,
             "-o", os.path.dirname(full_output_path),
-        ]
+        ])
 
         full_output_dirname = os.path.dirname(full_output_path)
         if not os.path.exists(full_output_dirname):

static_precompiler/tests/test_stylus.py

@@ -28,6 +28,22 @@ def test_compile_file(monkeypatch, tmpdir):
 """
 
 
+def test_sourcemap(monkeypatch, tmpdir):
+
+    monkeypatch.setattr("static_precompiler.settings.ROOT", tmpdir.strpath)
+    monkeypatch.setattr("static_precompiler.utils.convert_urls", lambda *args: None)
+
+    compiler = compilers.Stylus(sourcemap_enabled=False)
+    compiler.compile_file("styles/stylus/A.styl")
+    full_output_path = compiler.get_full_output_path("styles/stylus/A.styl")
+    assert not os.path.exists(full_output_path + ".map")
+
+    compiler = compilers.Stylus(sourcemap_enabled=True)
+    compiler.compile_file("styles/stylus/A.styl")
+    full_output_path = compiler.get_full_output_path("styles/stylus/A.styl")
+    assert os.path.exists(full_output_path + ".map")
+
+
 def test_compile_source():
     compiler = compilers.Stylus()