Merge pull request #47 from vincentbernat/hyde

---

Like optipng.

Maybe we could put all those image related plugins into the same module?

hyde/ext/plugins/jpegoptim.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+"""
+jpegoptim plugin
+"""
+
+from hyde.plugin import CLTransformer
+from hyde.fs import File
+
+class JPEGOptimPlugin(CLTransformer):
+    """
+    The plugin class for JPEGOptim
+    """
+
+    def __init__(self, site):
+        super(JPEGOptimPlugin, self).__init__(site)
+
+    @property
+    def plugin_name(self):
+        """
+        The name of the plugin.
+        """
+        return "jpegoptim"
+
+    def binary_resource_complete(self, resource):
+        """
+        If the site is in development mode, just return.
+        Otherwise, run jpegoptim to compress the jpg file.
+        """
+
+        try:
+            mode = self.site.config.mode
+        except AttributeError:
+            mode = "production"
+
+        if not resource.source_file.kind == 'jpg':
+            return
+
+        if mode.startswith('dev'):
+            self.logger.debug("Skipping jpegoptim in development mode.")
+            return
+
+        supported = [
+            "force",
+            "max=",
+            "strip-all",
+            "strip-com",
+            "strip-exif",
+            "strip-iptc",
+            "strip-icc",
+        ]
+        target = File(self.site.config.deploy_root_path.child(
+                                resource.relative_deploy_path))
+        jpegoptim = self.app
+        args = [str(jpegoptim)]
+        args.extend(self.process_args(supported))
+        args.extend(["-q", str(target)])
+        self.call_app(args)

hyde/plugin.py

@@ -284,12 +284,20 @@ class CLTransformer(Plugin):
             else:
                 descriptive = short = arg
 
+            equal = False
+            if descriptive.endswith("="):
+                descriptive = descriptive[:-1]
+                equal = True
             if descriptive in args or short in args:
-                result.append("%s%s" % (self.option_prefix(descriptive),
-                                        descriptive))
                 val = args[descriptive if descriptive in args else short]
-                if val:
-                    result.append(val)
+                if equal and val:
+                    result.append("%s%s=%s" % (self.option_prefix(descriptive),
+                                              descriptive, str(val)))
+                else:
+                    result.append("%s%s" % (self.option_prefix(descriptive),
+                                            descriptive))
+                    if val:
+                        result.append(str(val))
         return result
 
     def call_app(self, args):