first quick rjs plugin implementation.

hyde/ext/plugins/rjs.py

@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+"""
+requirejs plugin
+"""
+
+from hyde.plugin import CLTransformer
+from hyde.fs import File
+
+import re
+import subprocess
+
+
+class RequireJSPlugin(CLTransformer):
+    """
+    The plugin class for requirejs
+    """
+
+    def __init__(self, site):
+        super(RequireJSPlugin, self).__init__(site)
+
+    @property
+    def executable_name(self):
+        return "r.js"
+
+    def _should_replace_imports(self, resource):
+        return getattr(resource, 'meta', {}).get('uses_template', True)
+
+    def begin_site(self):
+        """
+        Find all the less css files and set their relative deploy path.
+        """
+        for resource in self.site.content.walk_resources():
+            if resource.source_file.name_without_extension == "main" and resource.source_file.kind == "js":
+                new_name = resource.source_file.name_without_extension + "-bin.js"
+                target_folder = File(resource.relative_deploy_path).parent
+                resource.relative_deploy_path = target_folder.child(new_name)
+
+    @property
+    def plugin_name(self):
+        """
+        The name of the plugin.
+        """
+        return "rjs"
+
+    def text_resource_complete(self, resource, text):
+        """
+        Save the file to a temporary place and run less compiler.
+        Read the generated file and return the text as output.
+        Set the target path to have a css extension.
+        """
+        if not resource.source_file.kind == 'js' and not resource.source_file.name_without_extension == "main":
+            return
+
+        rjs = self.app
+        source = File.make_temp(text)
+        target = File.make_temp('')
+        args = [unicode(rjs)]
+        args.extend(['-o'])
+        args.extend([unicode(source)])
+        args.extend([("out=" + target.fully_expanded_path)])
+        try:
+            self.call_app(args)
+        except subprocess.CalledProcessError:
+             raise self.template.exception_class(
+                    "Cannot process %s. Error occurred when "
+                    "processing [%s]" % (self.app.name, resource.source_file))
+        return target.read_all()