Upgrade to libsass==3.1.0. Resolves #36. Resolves #38.

Author: asottile

libsass

@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <Python.h>
-#include "sass_interface.h"
+#include "sass_context.h"
 
 #if PY_MAJOR_VERSION >= 3
 #define PySass_IF_PY3(three, two) (three)
@@ -37,9 +37,13 @@ static struct PySass_Pair PySass_output_style_enum[] = {
 
 static PyObject *
 PySass_compile_string(PyObject *self, PyObject *args) {
-    struct sass_context *context;
+    struct Sass_Context *ctx;
+    struct Sass_Data_Context *context;
+    struct Sass_Options *options;
     char *string, *include_paths, *image_path;
-    int output_style, source_comments, precision;
+    const char *error_message, *output_string;
+    Sass_Output_Style output_style;
+    int source_comments, error_status, precision;
     PyObject *result;
 
     if (!PyArg_ParseTuple(args,
@@ -49,30 +53,38 @@ PySass_compile_string(PyObject *self, PyObject *args) {
         return NULL;
     }
 
-    context = sass_new_context();
-    context->source_string = string;
-    context->options.output_style = output_style;
-    context->options.source_comments = source_comments;
-    context->options.include_paths = include_paths;
-    context->options.image_path = image_path;
-    context->options.precision = precision;
+    context = sass_make_data_context(string);
+    options = sass_data_context_get_options(context);
+    sass_option_set_output_style(options, output_style);
+    sass_option_set_source_comments(options, source_comments);
+    sass_option_set_include_path(options, include_paths);
+    sass_option_set_image_path(options, image_path);
+    sass_option_set_precision(options, precision);
 
-    sass_compile(context);
+    sass_compile_data_context(context);
 
+    ctx = sass_data_context_get_context(context);
+    error_status = sass_context_get_error_status(ctx);
+    error_message = sass_context_get_error_message(ctx);
+    output_string = sass_context_get_output_string(ctx);
     result = Py_BuildValue(
         PySass_IF_PY3("hy", "hs"),
-        (short int) !context->error_status,
-        context->error_status ? context->error_message : context->output_string
+        (short int) !error_status,
+        error_status ? error_message : output_string
     );
-    sass_free_context(context);
+    sass_delete_data_context(context);
     return result;
 }
 
 static PyObject *
 PySass_compile_filename(PyObject *self, PyObject *args) {
-    struct sass_file_context *context;
+    struct Sass_Context *ctx;
+    struct Sass_File_Context *context;
+    struct Sass_Options *options;
     char *filename, *include_paths, *image_path;
-    int output_style, source_comments, error_status, precision;
+    const char *error_message, *output_string, *source_map_string;
+    Sass_Output_Style output_style;
+    int source_comments, error_status, precision;
     PyObject *source_map_filename, *result;
 
     if (!PyArg_ParseTuple(args,
@@ -82,73 +94,41 @@ PySass_compile_filename(PyObject *self, PyObject *args) {
         return NULL;
     }
 
-    context = sass_new_file_context();
-    context->input_path = filename;
+    context = sass_make_file_context(filename);
+    options = sass_file_context_get_options(context);
+
     if (source_comments && PySass_Bytes_Check(source_map_filename)) {
         size_t source_map_file_len = PySass_Bytes_GET_SIZE(source_map_filename);
         if (source_map_file_len) {
             char *source_map_file = (char *) malloc(source_map_file_len + 1);
             strncpy(
-                source_map_file, 
+                source_map_file,
                 PySass_Bytes_AS_STRING(source_map_filename),
                 source_map_file_len + 1
             );
-            context->options.source_map_file = source_map_file;
+            sass_option_set_source_map_file(options, source_map_file);
         }
     }
-    context->options.output_style = output_style;
-    context->options.source_comments = source_comments;
-    context->options.include_paths = include_paths;
-    context->options.image_path = image_path;
-    context->options.precision = precision;
-
-    sass_compile_file(context);
-
-    error_status = context->error_status;
+    sass_option_set_output_style(options, output_style);
+    sass_option_set_source_comments(options, source_comments);
+    sass_option_set_include_path(options, include_paths);
+    sass_option_set_image_path(options, image_path);
+    sass_option_set_precision(options, precision);
+
+    sass_compile_file_context(context);
+
+    ctx = sass_file_context_get_context(context);
+    error_status = sass_context_get_error_status(ctx);
+    error_message = sass_context_get_error_message(ctx);
+    output_string = sass_context_get_output_string(ctx);
+    source_map_string = sass_context_get_source_map_string(ctx);
     result = Py_BuildValue(
         PySass_IF_PY3("hyy", "hss"),
-        (short int) !context->error_status,
-        error_status ? context->error_message : context->output_string,
-        error_status || context->source_map_string == NULL
-            ? ""
-            : context->source_map_string
-    );
-    sass_free_file_context(context);
-    return result;
-}
-
-static PyObject *
-PySass_compile_dirname(PyObject *self, PyObject *args) {
-    struct sass_folder_context *context;
-    char *search_path, *output_path, *include_paths, *image_path;
-    int output_style, source_comments, precision;
-    PyObject *result;
-
-    if (!PyArg_ParseTuple(args,
-                          PySass_IF_PY3("yyiiyyi", "ssiissi"),
-                          &search_path, &output_path,
-                          &output_style, &source_comments,
-                          &include_paths, &image_path, precision)) {
-        return NULL;
-    }
-
-    context = sass_new_folder_context();
-    context->search_path = search_path;
-    context->output_path = output_path;
-    context->options.output_style = output_style;
-    context->options.source_comments = source_comments;
-    context->options.include_paths = include_paths;
-    context->options.image_path = image_path;
-    context->options.precision = precision;
-
-    sass_compile_folder(context);
-
-    result = Py_BuildValue(
-        PySass_IF_PY3("hy", "hs"),
-        (short int) !context->error_status,
-        context->error_status ? context->error_message : NULL
+        (short int) !error_status,
+        error_status ? error_message : output_string,
+        error_status || source_map_string == NULL ? "" : source_map_string
     );
-    sass_free_folder_context(context);
+    sass_delete_file_context(context);
     return result;
 }
 
@@ -157,8 +137,6 @@ static PyMethodDef PySass_methods[] = {
      "Compile a SASS string."},
     {"compile_filename", PySass_compile_filename, METH_VARARGS,
      "Compile a SASS file."},
-    {"compile_dirname", PySass_compile_dirname, METH_VARARGS,
-     "Compile several SASS files."},
     {NULL, NULL, 0, NULL}
 };
 

pysass.cpp

@@ -19,8 +19,7 @@
 
 from six import string_types, text_type
 
-from _sass import (OUTPUT_STYLES, compile_dirname,
-                   compile_filename, compile_string)
+from _sass import OUTPUT_STYLES, compile_filename, compile_string
 
 __all__ = ('MODES', 'OUTPUT_STYLES', 'SOURCE_COMMENTS', 'CompileError',
            'and_join', 'compile')
@@ -46,10 +45,46 @@
 class CompileError(ValueError):
     """The exception type that is raised by :func:`compile()`.
     It is a subtype of :exc:`exceptions.ValueError`.
-
     """
 
 
+def mkdirp(path):
+    try:
+        os.makedirs(path)
+    except OSError:
+        if os.path.isdir(path):
+            return
+        raise
+
+
+def compile_dirname(
+    search_path, output_path, output_style, source_comments, include_paths,
+    image_path, precision,
+):
+    fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
+    for dirpath, _, filenames in os.walk(search_path):
+        filenames = [
+            filename for filename in filenames if filename.endswith('.scss')
+        ]
+        for filename in filenames:
+            input_filename = os.path.join(dirpath, filename)
+            relpath_to_file = os.path.relpath(input_filename, search_path)
+            output_filename = os.path.join(output_path, relpath_to_file)
+            output_filename = re.sub('.scss$', '.css', output_filename)
+            input_filename = input_filename.encode(fs_encoding)
+            s, v, _ = compile_filename(
+                input_filename, output_style, source_comments, include_paths,
+                image_path, precision, None,
+            )
+            if s:
+                v = v.decode('UTF-8')
+                mkdirp(os.path.dirname(output_filename))
+                with open(output_filename, 'w') as output_file:
+                    output_file.write(v)
+            else:
+                return False, v
+    return True, None
+
 def compile(**kwargs):
     """There are three modes of parameters :func:`compile()` can take:
     ``string``, ``filename``, and ``dirname``.
@@ -302,11 +337,6 @@ def compile(**kwargs):
         except ValueError:
             raise ValueError('dirname must be a pair of (source_dir, '
                              'output_dir)')
-        else:
-            if isinstance(search_path, text_type):
-                search_path = search_path.encode(fs_encoding)
-            if isinstance(output_path, text_type):
-                output_path = output_path.encode(fs_encoding)
         s, v = compile_dirname(search_path, output_path,
                                output_style, source_comments,
                                include_paths, image_path, precision)

sass.py

@@ -2,6 +2,7 @@
 from __future__ import with_statement
 
 import collections
+import contextlib
 import glob
 import json
 import os
@@ -56,7 +57,7 @@ def normalize_path(path):
     'sources': ['test/a.scss'],
     'sourcesContent': [],
     'names': [],
-    'mappings': ';AAKA;EAHE,kBAAkB;;EAIpB,KAAK;IAED,OAAO'
+    'mappings': ';AAKA;EAHE,AAAkB;;EAKpB,AAAK;IACD,AAAO',
 }
 
 B_EXPECTED_CSS = '''\
@@ -82,13 +83,15 @@ def normalize_path(path):
 '''
 
 D_EXPECTED_CSS = '''\
+@charset "UTF-8";
 body {
   background-color: green; }
   body a {
     font: '나눔고딕', sans-serif; }
 '''
 
 D_EXPECTED_CSS_WITH_MAP = '''\
+@charset "UTF-8";
 /* line 6, SOURCE */
 body {
   background-color: green; }
@@ -240,7 +243,8 @@ def test_compile_string(self):
 '''
         actual = sass.compile(string=u'a { color: blue; } /* 유니코드 */')
         self.assertEqual(
-            u'''a {
+            u'''@charset "UTF-8";
+a {
   color: blue; }
 
 /* 유니코드 */''',
@@ -458,7 +462,7 @@ def test_build_one(self):
                     'sources': ['../test/b.scss'],
                     'sourcesContent': [],
                     'names': [],
-                    'mappings': ';AAAA,EAAE;EAEE,WAAW'
+                    'mappings': ';AACA,AAAE;EACE,AAAW',
                 },
                 os.path.join(d, 'css', 'b.scss.css.map')
             )
@@ -476,7 +480,7 @@ def test_build_one(self):
                     'sources': ['../test/d.scss'],
                     'sourcesContent': [],
                     'names': [],
-                    'mappings': ';AAKA;EAHE,kBAAkB;;EAIpB,KAAK;IAED,MAAM'
+                    'mappings': ';AAKA;EAHE,AAAkB;;EAKpB,AAAK;IACD,AAAM',
                 },
                 os.path.join(d, 'css', 'd.scss.css.map')
             )
@@ -673,14 +677,73 @@ def test_sassc_sourcemap(self):
             shutil.rmtree(tmp_dir)
 
 
+@contextlib.contextmanager
+def tempdir():
+    tmpdir = tempfile.mkdtemp()
+    try:
+        yield tmpdir
+    finally:
+        shutil.rmtree(tmpdir)
+
+
+def write_file(filename, contents):
+    with open(filename, 'w') as f:
+        f.write(contents)
+
+
+class CompileDirectoriesTest(unittest.TestCase):
+
+    def test_successful(self):
+        with tempdir() as tmpdir:
+            input_dir = os.path.join(tmpdir, 'input')
+            output_dir = os.path.join(tmpdir, 'output')
+            os.makedirs(os.path.join(input_dir, 'foo'))
+            write_file(os.path.join(input_dir, 'f1.scss'), 'a { b { width: 100%; } }')
+            write_file(os.path.join(input_dir, 'foo/f2.scss'), 'foo { width: 100%; }')
+            # Make sure we don't compile non-scss files
+            write_file(os.path.join(input_dir, 'baz.txt'), 'Hello der')
+
+            # the api for this is weird, why does it need source?
+            sass.compile(dirname=(input_dir, output_dir))
+            assert os.path.exists(output_dir)
+            assert os.path.exists(os.path.join(output_dir, 'foo'))
+            assert os.path.exists(os.path.join(output_dir, 'f1.css'))
+            assert os.path.exists(os.path.join(output_dir, 'foo/f2.css'))
+            assert not os.path.exists(os.path.join(output_dir, 'baz.txt'))
+
+            contentsf1 = open(os.path.join(output_dir, 'f1.css')).read()
+            contentsf2 = open(os.path.join(output_dir, 'foo/f2.css')).read()
+            self.assertEqual(contentsf1, 'a b {\n  width: 100%; }\n')
+            self.assertEqual(contentsf2, 'foo {\n  width: 100%; }\n')
+
+    def test_error(self):
+        with tempdir() as tmpdir:
+            input_dir = os.path.join(tmpdir, 'input')
+            os.makedirs(input_dir)
+            write_file(os.path.join(input_dir, 'bad.scss'), 'a {')
+
+            try:
+                sass.compile(dirname=(input_dir, os.path.join(tmpdir, 'output')))
+                assert False, 'Expected to raise'
+            except sass.CompileError as e:
+                msg, = e.args
+                assert msg.decode('UTF-8').endswith(
+                    'bad.scss:1: invalid property name\n'
+                ), msg
+                return
+            except Exception as e:
+                assert False, 'Expected to raise CompileError but got {0!r}'.format(e)
+
+
 test_cases = [
     SassTestCase,
     CompileTestCase,
     BuilderTestCase,
     ManifestTestCase,
     WsgiTestCase,
     DistutilsTestCase,
-    SasscTestCase
+    SasscTestCase,
+    CompileDirectoriesTest,
 ]
 loader = unittest.defaultTestLoader
 suite = unittest.TestSuite()