diff --git a/build.py b/build.py
index 908bd2fa..1ae901d9 100644
--- a/build.py
+++ b/build.py
@@ -6,6 +6,7 @@
 # which should be included with this package. The terms are also available at 
 # http://www.hardcoded.net/licenses/bsd_license
 
+import sys
 import os
 import os.path as op
 from optparse import OptionParser
@@ -16,7 +17,7 @@ from setuptools import setup, Extension
 
 from hscommon import sphinxgen
 from hscommon.build import (add_to_pythonpath, print_and_do, copy_packages, filereplace,
-    get_module_version, build_all_cocoa_locs, move_all)
+    get_module_version, build_all_cocoa_locs, move_all, copy_sysconfig_files_for_embed)
 from hscommon import loc
 
 def parse_args():
@@ -36,7 +37,6 @@ def parse_args():
     return options
 
 def build_cocoa(edition, dev):
-    from pluginbuilder import build_plugin
     build_cocoa_proxy_module()
     print("Building dg_cocoa.plugin")
     specific_packages = {
@@ -48,14 +48,16 @@ def build_cocoa(edition, dev):
     copy_packages(tocopy, 'build', create_links=dev)
     cocoa_project_path = 'cocoa/{0}'.format(edition)
     shutil.copy(op.join(cocoa_project_path, 'dg_cocoa.py'), 'build')
-    os.chdir('build')
-    # We have to exclude PyQt4 specifically because it's conditionally imported in hscommon.trans
-    build_plugin('dg_cocoa.py', excludes=['PyQt4'], alias=dev)
-    os.chdir('..')
-    pluginpath = op.join(cocoa_project_path, 'dg_cocoa.plugin')
-    if op.exists(pluginpath):
-        shutil.rmtree(pluginpath)
-    shutil.move('build/dist/dg_cocoa.plugin', pluginpath)
+    from pluginbuilder import copy_embeddable_python_dylib, get_python_header_folder, collect_dependencies
+    copy_embeddable_python_dylib('build')
+    if not op.exists('build/PythonHeaders'):
+        os.symlink(get_python_header_folder(), 'build/PythonHeaders')
+    if not op.exists('build/py'):
+        os.mkdir('build/py')
+    sys.path.insert(0, 'build')
+    collect_dependencies('build/dg_cocoa.py', 'build/py', excludes=['PyQt4'])
+    del sys.path[0]
+    copy_sysconfig_files_for_embed('build/py')
     os.chdir(cocoa_project_path)
     print('Generating Info.plist')
     app_version = get_module_version('core_{}'.format(edition))
diff --git a/cocoa/se/dupeguru.xcodeproj/project.pbxproj b/cocoa/se/dupeguru.xcodeproj/project.pbxproj
index d377af31..3a4ba9db 100644
--- a/cocoa/se/dupeguru.xcodeproj/project.pbxproj
+++ b/cocoa/se/dupeguru.xcodeproj/project.pbxproj
@@ -10,13 +10,15 @@
 		8D11072D0486CEB800E47090 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 29B97316FDCFA39411CA2CEA /* main.m */; settings = {ATTRIBUTES = (); }; };
 		8D11072F0486CEB800E47090 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */; };
 		CE073F6309CAE1A3005C1D2F /* help in Resources */ = {isa = PBXBuildFile; fileRef = CE073F5409CAE1A3005C1D2F /* help */; };
+		CE18004D14BDD837001B6329 /* Python in Frameworks */ = {isa = PBXBuildFile; fileRef = CE18004C14BDD837001B6329 /* Python */; };
+		CE18004F14BDD854001B6329 /* Python in CopyFiles */ = {isa = PBXBuildFile; fileRef = CE18004C14BDD837001B6329 /* Python */; };
+		CE18005114BDD87B001B6329 /* py in Resources */ = {isa = PBXBuildFile; fileRef = CE18005014BDD87B001B6329 /* py */; };
 		CE19BC6411199231007CCEB0 /* progress.xib in Resources */ = {isa = PBXBuildFile; fileRef = CE19BC6111199231007CCEB0 /* progress.xib */; };
 		CE27D3C412CCA43800859E67 /* HSAboutBox.m in Sources */ = {isa = PBXBuildFile; fileRef = CE27D3C312CCA43800859E67 /* HSAboutBox.m */; };
 		CE31819D13D85D9B00B6D649 /* about.xib in Resources */ = {isa = PBXBuildFile; fileRef = CE31819913D85D9B00B6D649 /* about.xib */; };
 		CE31819E13D85D9B00B6D649 /* ErrorReportWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = CE31819B13D85D9B00B6D649 /* ErrorReportWindow.xib */; };
 		CE381C9609914ACE003581CE /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = CE381C9409914ACE003581CE /* AppDelegate.m */; };
 		CE381C9C09914ADF003581CE /* ResultWindow.m in Sources */ = {isa = PBXBuildFile; fileRef = CE381C9A09914ADF003581CE /* ResultWindow.m */; };
-		CE381D0509915304003581CE /* dg_cocoa.plugin in Resources */ = {isa = PBXBuildFile; fileRef = CE381CF509915304003581CE /* dg_cocoa.plugin */; };
 		CE41672D141FE1E5004F3F0B /* HSSelectableList.m in Sources */ = {isa = PBXBuildFile; fileRef = CE41672B141FE1E5004F3F0B /* HSSelectableList.m */; };
 		CE45579B0AE3BC2B005A9546 /* Sparkle.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = CE45579A0AE3BC2B005A9546 /* Sparkle.framework */; };
 		CE4557B40AE3BC50005A9546 /* Sparkle.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = CE45579A0AE3BC2B005A9546 /* Sparkle.framework */; };
@@ -52,6 +54,7 @@
 		CE9777D1141F8CB400C13FB5 /* PrioritizeDialog.xib in Resources */ = {isa = PBXBuildFile; fileRef = CE9777CF141F8CB400C13FB5 /* PrioritizeDialog.xib */; };
 		CE9777D5141F9D7600C13FB5 /* HSPopUpList.m in Sources */ = {isa = PBXBuildFile; fileRef = CE9777D4141F9D7600C13FB5 /* HSPopUpList.m */; };
 		CEA175CA1461E8E600776591 /* locale in Resources */ = {isa = PBXBuildFile; fileRef = CEA175C91461E8E600776591 /* locale */; };
+		CEA450B814BDDFD7002DAAF2 /* dg_cocoa.py in Resources */ = {isa = PBXBuildFile; fileRef = CEA450B714BDDFD7002DAAF2 /* dg_cocoa.py */; };
 		CEBE4D74111F0EE1009AAC6D /* HSWindowController.m in Sources */ = {isa = PBXBuildFile; fileRef = CEBE4D73111F0EE1009AAC6D /* HSWindowController.m */; };
 		CEE7EA130FE675C80004E467 /* DetailsPanel.m in Sources */ = {isa = PBXBuildFile; fileRef = CEE7EA120FE675C80004E467 /* DetailsPanel.m */; };
 		CEEB135209C837A2004D2330 /* dupeguru.icns in Resources */ = {isa = PBXBuildFile; fileRef = CEEB135109C837A2004D2330 /* dupeguru.icns */; };
@@ -75,6 +78,7 @@
 			dstSubfolderSpec = 10;
 			files = (
 				CE4557B40AE3BC50005A9546 /* Sparkle.framework in CopyFiles */,
+				CE18004F14BDD854001B6329 /* Python in CopyFiles */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -116,6 +120,8 @@
 		CE112F5F145EF28D009C9E3E /* cs */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = cs; path = ../cs.lproj/about.xib; sourceTree = "<group>"; };
 		CE112F60145EF28D009C9E3E /* cs */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = cs; path = ../cs.lproj/ErrorReportWindow.xib; sourceTree = "<group>"; };
 		CE112F61145EF28D009C9E3E /* cs */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = cs; path = ../cs.lproj/FairwareReminder.xib; sourceTree = "<group>"; };
+		CE18004C14BDD837001B6329 /* Python */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = Python; path = ../../build/Python; sourceTree = "<group>"; };
+		CE18005014BDD87B001B6329 /* py */ = {isa = PBXFileReference; lastKnownFileType = folder; name = py; path = ../../build/py; sourceTree = "<group>"; };
 		CE19BC6111199231007CCEB0 /* progress.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = progress.xib; sourceTree = "<group>"; };
 		CE27D3C212CCA43800859E67 /* HSAboutBox.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = HSAboutBox.h; path = ../../cocoalib/HSAboutBox.h; sourceTree = SOURCE_ROOT; };
 		CE27D3C312CCA43800859E67 /* HSAboutBox.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = HSAboutBox.m; path = ../../cocoalib/HSAboutBox.m; sourceTree = SOURCE_ROOT; };
@@ -130,7 +136,6 @@
 		CE381C9509914ACE003581CE /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = SOURCE_ROOT; };
 		CE381C9A09914ADF003581CE /* ResultWindow.m */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = sourcecode.c.objc; path = ResultWindow.m; sourceTree = SOURCE_ROOT; };
 		CE381C9B09914ADF003581CE /* ResultWindow.h */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = sourcecode.c.h; path = ResultWindow.h; sourceTree = SOURCE_ROOT; };
-		CE381CF509915304003581CE /* dg_cocoa.plugin */ = {isa = PBXFileReference; lastKnownFileType = folder; path = dg_cocoa.plugin; sourceTree = SOURCE_ROOT; };
 		CE41672A141FE1E5004F3F0B /* HSSelectableList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HSSelectableList.h; sourceTree = "<group>"; };
 		CE41672B141FE1E5004F3F0B /* HSSelectableList.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = HSSelectableList.m; sourceTree = "<group>"; };
 		CE41672C141FE1E5004F3F0B /* HSTable.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HSTable.h; sourceTree = "<group>"; };
@@ -219,6 +224,7 @@
 		CE9777D3141F9D7600C13FB5 /* HSPopUpList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HSPopUpList.h; sourceTree = "<group>"; };
 		CE9777D4141F9D7600C13FB5 /* HSPopUpList.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = HSPopUpList.m; sourceTree = "<group>"; };
 		CEA175C91461E8E600776591 /* locale */ = {isa = PBXFileReference; lastKnownFileType = folder; name = locale; path = ../../build/locale; sourceTree = "<group>"; };
+		CEA450B714BDDFD7002DAAF2 /* dg_cocoa.py */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.script.python; name = dg_cocoa.py; path = ../../build/dg_cocoa.py; sourceTree = "<group>"; };
 		CEB57990146ADC5100EDF7D7 /* HSConsts.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = HSConsts.h; path = ../../cocoalib/HSConsts.h; sourceTree = "<group>"; };
 		CEBE4D72111F0EE1009AAC6D /* HSWindowController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HSWindowController.h; sourceTree = "<group>"; };
 		CEBE4D73111F0EE1009AAC6D /* HSWindowController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = HSWindowController.m; sourceTree = "<group>"; };
@@ -275,6 +281,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CE18004D14BDD837001B6329 /* Python in Frameworks */,
 				CE533603142BC034008E5374 /* Quartz.framework in Frameworks */,
 				8D11072F0486CEB800E47090 /* Cocoa.framework in Frameworks */,
 				CE45579B0AE3BC2B005A9546 /* Sparkle.framework in Frameworks */,
@@ -300,6 +307,7 @@
 		1058C7A0FEA54F0111CA2CBB /* Linked Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				CE18004C14BDD837001B6329 /* Python */,
 				CE45579A0AE3BC2B005A9546 /* Sparkle.framework */,
 				1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */,
 				CE533602142BC034008E5374 /* Quartz.framework */,
@@ -341,9 +349,10 @@
 		29B97317FDCFA39411CA2CEA /* Resources */ = {
 			isa = PBXGroup;
 			children = (
+				CEA450B714BDDFD7002DAAF2 /* dg_cocoa.py */,
+				CE18005014BDD87B001B6329 /* py */,
 				CEA175C91461E8E600776591 /* locale */,
 				CE073F5409CAE1A3005C1D2F /* help */,
-				CE381CF509915304003581CE /* dg_cocoa.plugin */,
 				CEFC294309C89E0000D9F998 /* images */,
 				CEEFC0CA10943849001F3A39 /* xib */,
 				CEEB135109C837A2004D2330 /* dupeguru.icns */,
@@ -584,7 +593,6 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				CE381D0509915304003581CE /* dg_cocoa.plugin in Resources */,
 				CE073F6309CAE1A3005C1D2F /* help in Resources */,
 				CEEB135209C837A2004D2330 /* dupeguru.icns in Resources */,
 				CEFC294609C89E3D00D9F998 /* folder32.png in Resources */,
@@ -603,6 +611,8 @@
 				CE31819E13D85D9B00B6D649 /* ErrorReportWindow.xib in Resources */,
 				CE9777D1141F8CB400C13FB5 /* PrioritizeDialog.xib in Resources */,
 				CEA175CA1461E8E600776591 /* locale in Resources */,
+				CE18005114BDD87B001B6329 /* py in Resources */,
+				CEA450B814BDDFD7002DAAF2 /* dg_cocoa.py in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -845,8 +855,8 @@
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				GCC_C_LANGUAGE_STANDARD = c99;
-				GCC_WARN_ABOUT_RETURN_TYPE = YES;
-				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = "\"$(SRCROOT)/../../build/PythonHeaders\"";
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = macosx10.6;
 			};
@@ -857,8 +867,8 @@
 			buildSettings = {
 				ARCHS = "$(NATIVE_ARCH_ACTUAL)";
 				GCC_C_LANGUAGE_STANDARD = c99;
-				GCC_WARN_ABOUT_RETURN_TYPE = YES;
-				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = "\"$(SRCROOT)/../../build/PythonHeaders\"";
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = macosx10.6;
 			};
diff --git a/cocoa/se/main.m b/cocoa/se/main.m
index 7fedbb8e..163a7b58 100644
--- a/cocoa/se/main.m
+++ b/cocoa/se/main.m
@@ -7,17 +7,32 @@ http://www.hardcoded.net/licenses/bsd_license
 */
 
 #import <Cocoa/Cocoa.h>
-#import "Utils.h"
+#import <Python.h>
+#import <wchar.h>
 
 int main(int argc, char *argv[])
 {
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    [Utils setPluginName:@"dg_cocoa"];
-    NSString *pluginPath = [[NSBundle mainBundle]
-                                pathForResource:@"dg_cocoa"
-                                         ofType:@"plugin"];
-    NSBundle *pluginBundle = [NSBundle bundleWithPath:pluginPath];
-    [pluginBundle load];
+    NSString *respath = [[NSBundle mainBundle] resourcePath];
+    NSString *mainpy = [respath stringByAppendingPathComponent:@"dg_cocoa.py"];
+    wchar_t wPythonPath[PATH_MAX+1];
+    NSString *pypath = [respath stringByAppendingPathComponent:@"py"];
+    mbstowcs(wPythonPath, [pypath fileSystemRepresentation], PATH_MAX+1);
+    Py_SetPath(wPythonPath);
+    Py_SetPythonHome(wPythonPath);
+    Py_Initialize();
+    PyEval_InitThreads();
+    PyGILState_STATE gilState = PyGILState_Ensure();
+    FILE* fp = fopen([mainpy UTF8String], "r");
+    PyRun_SimpleFile(fp, [mainpy UTF8String]);
+    fclose(fp);
+    PyGILState_Release(gilState);
+    if (gilState == PyGILState_LOCKED) {
+        PyThreadState_Swap(NULL);
+        PyEval_ReleaseLock();
+    }
+    int result = NSApplicationMain(argc,  (const char **) argv);
+    Py_Finalize();
     [pool release];
-    return NSApplicationMain(argc,  (const char **) argv);
+    return result;
 }