Merge pull request #275 from mhbkb/master

Extend package settings API to support `isCustomized` checking.

Author: zvezdan

pygradle-plugin/src/main/groovy/com/linkedin/gradle/python/util/DefaultPackageSettings.java

@@ -96,6 +96,12 @@ public boolean requiresSourceBuild(PackageInfo packageInfo) {
         return (version != null && version.contains("-"));
     }
 
+    @Override
+    public boolean isCustomized(PackageInfo packageInfo) {
+        // return false by default as no custom build options.
+        return false;
+    }
+
     private boolean isProjectDirectory(PackageInfo packageInfo) {
         File packageDir = packageInfo.getPackageFile();
         String version = packageInfo.getVersion();

pygradle-plugin/src/main/groovy/com/linkedin/gradle/python/util/PackageSettings.java

@@ -94,11 +94,19 @@ public interface PackageSettings<T> {
      * Determines if the package requires a build from source.
      * <p>
      * Even if the binary artifact of the package is available,
-     * the package may need a rebuild because of custom build
-     * options or environment.
+     * the package may need a rebuild because of editable current
+     * project or snapshots.
      *
      * @param t package information object
      * @return true when the package needs a rebuild from source
      */
     boolean requiresSourceBuild(T t);
+
+    /**
+     * Checks if the package is customized.
+     *
+     * @param t package information object
+     * @return true when the package is customized
+     */
+    boolean isCustomized(T t);
 }