diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -5,7 +5,7 @@
 # Parameters: EXTERNALS_DOWNLOAD_DIR place to download all packages
 #             INSTALL_ROOT place to install everything to
 #             MXE_TOOLCHAIN: the toolchain file to cross-compile using MXE
-# 
+#
 # Example usage: cmake ..\kritadeposx -DEXTERNALS_DOWNLOAD_DIR=/dev2/d -DINSTALL_ROOT=/dev2/i -DWIN64_BUILD=TRUE  -DBOOST_LIBRARYDIR=/dev2/i/lib   -G "Visual Studio 11 Win64"
 
 
@@ -37,11 +37,11 @@
 set(CMAKE_PREFIX_PATH "${EXTPREFIX}")
 
 if (${CMAKE_GENERATOR} STREQUAL "Visual Studio 14 2015 Win64")
-    SET(GLOBAL_PROFILE 
-        -DCMAKE_MODULE_LINKER_FLAGS=/machine:x64 
-        -DCMAKE_EXE_LINKER_FLAGS=/machine:x64 
-        -DCMAKE_SHARED_LINKER_FLAGS=/machine:x64 
-        -DCMAKE_STATIC_LINKER_FLAGS=/machine:x64 
+    SET(GLOBAL_PROFILE
+        -DCMAKE_MODULE_LINKER_FLAGS=/machine:x64
+        -DCMAKE_EXE_LINKER_FLAGS=/machine:x64
+        -DCMAKE_SHARED_LINKER_FLAGS=/machine:x64
+        -DCMAKE_STATIC_LINKER_FLAGS=/machine:x64
     )
 endif ()
 
@@ -105,16 +105,16 @@
 
 if (MSYS)
 	set(PATCH_COMMAND patch)
-    set(GLOBAL_PROFILE ${GLOBAL_PROFILE} 
+    set(GLOBAL_PROFILE ${GLOBAL_PROFILE}
                            -DCMAKE_TOOLCHAIN_FILE=${MXE_TOOLCHAIN}
                            -DCMAKE_FIND_PREFIX_PATH=${CMAKE_PREFIX_PATH}
                            -DCMAKE_SYSTEM_INCLUDE_PATH=${CMAKE_PREFIX_PATH}/include
-                           -DCMAKE_INCLUDE_PATH=${CMAKE_PREFIX_PATH}/include 
+                           -DCMAKE_INCLUDE_PATH=${CMAKE_PREFIX_PATH}/include
                            -DCMAKE_LIBRARY_PATH=${CMAKE_PREFIX_PATH}/lib
                            -DZLIB_ROOT=${CMAKE_PREFIX_PATH}
     )
     set(GLOBAL_AUTOMAKE_PROFILE  --host=i686-pc-mingw32 )
-endif() 
+endif()
 
 if (APPLE)
     set(GLOBAL_PROFILE ${GLOBAL_PROFILE} -DCMAKE_MACOSX_RPATH=ON -DKDE_SKIP_RPATH_SETTINGS=ON -DBUILD_WITH_INSTALL_RPATH=ON -DAPPLE_SUPPRESS_X11_WARNING=ON)
@@ -144,8 +144,13 @@
 if (MINGW)
 	option(ENABLE_PYTHON_DEPS "Enable Python deps (sip, pyqt)" ON)
 	if (ENABLE_PYTHON_DEPS)
-		find_package(PythonInterp 3.6 EXACT)
-		find_package(PythonLibs 3.6 EXACT)
+        if (ENABLE_PYTHON_2)
+            find_package(PythonInterp 2.7 EXACT)
+            find_package(PythonLibs 2.7 EXACT)
+        else(ENABLE_PYTHON_2)
+            find_package(PythonInterp 3.6 EXACT)
+            find_package(PythonLibs 3.6 EXACT)
+        endif(ENABLE_PYTHON_2)
 		if (PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
 			message(STATUS "Python requirements met.")
 			TestCompileLinkPythonLibs(CAN_USE_PYTHON_LIBS)
diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,6 +194,7 @@
 option(KRITA_ENABLE_BROKEN_TESTS "Enable tests that are marked as broken" OFF)
 add_feature_info("Enable Broken Tests" KRITA_ENABLE_BROKEN_TESTS "Runs broken test when \"make test\" is invoked (use -DKRITA_ENABLE_BROKEN_TESTS=ON to enable).")
 
+option(ENABLE_PYTHON_2 "Enables the compiler to look for Python 2.7 instead of Python 3. Some packaged scripts are not compatible with Python 2 and this should only be used if you really have to use 2.7." OFF)
 
 include(MacroJPEG)
 
@@ -218,18 +219,32 @@
 endfunction()
 
 if(MINGW)
-    find_package(PythonInterp 3.6 EXACT)
-    find_package(PythonLibs 3.6 EXACT)
+    if(ENABLE_PYTHON_2)
+        find_package(PythonInterp 2.7 EXACT)
+        find_package(PythonLibs 2.7 EXACT)
+    else(ENABLE_PYTHON_2)
+        find_package(PythonInterp 3.6 EXACT)
+        find_package(PythonLibs 3.6 EXACT)
+    endif(ENABLE_PYTHON_2)
     if (PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
-        find_package(PythonLibrary 3.6)
+        if(ENABLE_PYTHON_2)
+            find_package(PythonLibrary 2.7)
+        else(ENABLE_PYTHON_2)
+            find_package(PythonLibrary 3.6)
+        endif(ENABLE_PYTHON_2)
         TestCompileLinkPythonLibs(CAN_USE_PYTHON_LIBS)
         if (NOT CAN_USE_PYTHON_LIBS)
             message(FATAL_ERROR "Compiling with Python library failed, please check whether the architecture is correct. Python will be disabled.")
         endif (NOT CAN_USE_PYTHON_LIBS)
     endif (PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
 else(MINGW)
-    find_package(PythonInterp 3.0)
-    find_package(PythonLibrary 3.0)
+    if(ENABLE_PYTHON_2)
+        find_package(PythonInterp 2.0)
+        find_package(PythonLibrary 2.0)
+    else(ENABLE_PYTHON_2)
+        find_package(PythonInterp 3.0)
+        find_package(PythonLibrary 3.0)
+    endif(ENABLE_PYTHON_2)
 endif(MINGW)
 
  ########################
@@ -458,7 +473,7 @@
 endif()
 
 add_definitions(-DBOOST_ALL_NO_LIB)
-find_package(Boost 1.55 REQUIRED COMPONENTS system) 
+find_package(Boost 1.55 REQUIRED COMPONENTS system)
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
 ##
 ## Test for GNU Scientific Library
@@ -620,7 +635,7 @@
 set(OLD_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} )
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules )
 set(HAVE_VC FALSE)
-if (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm") 
+if (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
     if(NOT MSVC)
         find_package(Vc 1.1.0)
         set_package_properties(Vc PROPERTIES
diff --git a/cmake/modules/FindPythonLibrary.cmake b/cmake/modules/FindPythonLibrary.cmake
--- a/cmake/modules/FindPythonLibrary.cmake
+++ b/cmake/modules/FindPythonLibrary.cmake
@@ -25,7 +25,11 @@
 
 include(FindPackageHandleStandardArgs)
 
-find_package(PythonInterp)
+if (ENABLE_PYTHON_2)
+    find_package(PythonInterp 2.7 REQUIRED)
+else(ENABLE_PYTHON_2)
+    find_package(PythonInterp 3.6 REQUIRED)
+endif(ENABLE_PYTHON_2)
 
 if (PYTHONINTERP_FOUND)
 
diff --git a/plugins/extensions/pykrita/plugin/CMakeLists.txt b/plugins/extensions/pykrita/plugin/CMakeLists.txt
--- a/plugins/extensions/pykrita/plugin/CMakeLists.txt
+++ b/plugins/extensions/pykrita/plugin/CMakeLists.txt
@@ -3,8 +3,8 @@
 add_definitions(-DQT_NO_KEYWORDS)
 configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
 
-set(SOURCES 
-    plugin.cpp 
+set(SOURCES
+    plugin.cpp
     pyqtpluginsettings.cpp
     utilities.cpp
     PykritaModule.cpp
@@ -12,8 +12,8 @@
     PythonPluginsModel.cpp
 )
 
-ki18n_wrap_ui(SOURCES 
-    info.ui 
+ki18n_wrap_ui(SOURCES
+    info.ui
     manager.ui
 )
 
diff --git a/plugins/extensions/pykrita/plugin/PykritaModule.h b/plugins/extensions/pykrita/plugin/PykritaModule.h
--- a/plugins/extensions/pykrita/plugin/PykritaModule.h
+++ b/plugins/extensions/pykrita/plugin/PykritaModule.h
@@ -25,9 +25,19 @@
 
 #include <Python.h>
 
+#if PY_MAJOR_VERSION >= 3
+#ifndef IS_PY3K
+#define IS_PY3K
+#endif
+#endif
+
 /**
  * Initializer for the built-in Python module.
  */
+#if defined(IS_PY3K)
 PyMODINIT_FUNC PyInit_pykrita();
+#else
+void initpykrita();
+#endif
 
 #endif
diff --git a/plugins/extensions/pykrita/plugin/PykritaModule.cpp b/plugins/extensions/pykrita/plugin/PykritaModule.cpp
--- a/plugins/extensions/pykrita/plugin/PykritaModule.cpp
+++ b/plugins/extensions/pykrita/plugin/PykritaModule.cpp
@@ -27,6 +27,17 @@
 
 #define PYKRITA_INIT PyInit_pykrita
 
+struct module_state {
+    PyObject *error;
+};
+
+#if defined(IS_PY3K)
+#define GETSTATE(m) ((struct module_state*)PyModule_GetState(m))
+#else
+#define GETSTATE(m) (&_state)
+static struct module_state _state;
+#endif
+
 /// \note Namespace name written in uppercase intentionally!
 /// It will appear in debug output from Python plugins...
 namespace PYKRITA
@@ -56,23 +67,48 @@
 }                                                           // anonymous namespace
 
 //BEGIN Python module registration
+#if defined(IS_PY3K)
+// Python 3 initializes modules differently from Python 2
+//
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT
+    , "pykrita"
+    , "The pykrita module"
+    , -1
+    , pykritaMethods
+    , 0
+    , 0
+    , 0
+    , 0
+};
+
+#define INITERROR return NULL
+
 PyMODINIT_FUNC PyInit_pykrita()
+
+#else
+#define INITERROR return
+
+void
+initpykrita(void)
+#endif
 {
-    static struct PyModuleDef moduledef = {
-        PyModuleDef_HEAD_INIT
-        , "pykrita"
-        , "The pykrita module"
-        , -1
-        , pykritaMethods
-        , 0
-        , 0
-        , 0
-        , 0
-    };
+#if defined(IS_PY3K)
     PyObject *pykritaModule = PyModule_Create(&moduledef);
+#else
+    PyObject *pykritaModule = Py_InitModule("pykrita", pykritaMethods);
+#endif
+
+    if (pykritaModule == NULL)
+        INITERROR;
+
     PyModule_AddStringConstant(pykritaModule, "__file__", __FILE__);
+
+#if defined(IS_PY3K)
     return pykritaModule;
+#endif
 }
+
 //END Python module registration
 
 // krita: space-indent on; indent-width 4;
diff --git a/plugins/extensions/pykrita/plugin/PythonPluginManager.cpp b/plugins/extensions/pykrita/plugin/PythonPluginManager.cpp
--- a/plugins/extensions/pykrita/plugin/PythonPluginManager.cpp
+++ b/plugins/extensions/pykrita/plugin/PythonPluginManager.cpp
@@ -59,6 +59,13 @@
         dbgScript << "Ignore desktop file w/o a module to import";
         return false;
     }
+#if PY_MAJOR_VERSION == 2
+    // Check if the plug-in is compatible with Python 2 or not.
+    if (m_properties["X-Python-2-Compatible"].toBool() != true) {
+        dbgScript << "Ignoring plug-in. It is marked incompatible with Python 2.";
+        return false;
+    }
+#endif
 
     return true;
 }
diff --git a/plugins/extensions/pykrita/plugin/krita/__init__.py b/plugins/extensions/pykrita/plugin/krita/__init__.py
--- a/plugins/extensions/pykrita/plugin/krita/__init__.py
+++ b/plugins/extensions/pykrita/plugin/krita/__init__.py
@@ -1,15 +1,17 @@
+from __future__ import print_function
+
 import pykrita
 import os
 import sys
 
-import signal
-signal.signal(signal.SIGINT, signal.SIG_DFL)
-
 from .api import *
 from .decorators import *
 from .dockwidgetfactory import *
 from PyKrita import krita
 
+import signal
+signal.signal(signal.SIGINT, signal.SIG_DFL)
+
 krita_path = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, krita_path)
 print("%s added to PYTHONPATH" % krita_path, file=sys.stderr)
@@ -26,7 +28,10 @@
 import excepthook
 excepthook.install()
 
-import builtins
+if sys.version_info[0] > 2:
+    import builtins
+else:
+    import __builtin__ as builtins
 builtins.i18n = lambda s: QCoreApplication.translate("PyKrita", s)
 builtins.Scripter = Krita.instance()
 builtins.Application = Krita.instance()
diff --git a/plugins/extensions/pykrita/plugin/krita/dockwidgetfactory.py b/plugins/extensions/pykrita/plugin/krita/dockwidgetfactory.py
--- a/plugins/extensions/pykrita/plugin/krita/dockwidgetfactory.py
+++ b/plugins/extensions/pykrita/plugin/krita/dockwidgetfactory.py
@@ -7,7 +7,7 @@
 class DockWidgetFactory(DockWidgetFactoryBase):
 
     def __init__(self, _id, _dockPosition, _klass):
-        super().__init__(_id, _dockPosition)
+        super(DockWidgetFactory, self).__init__(_id, _dockPosition)
         self.klass = _klass
 
     def createDockWidget(self):
diff --git a/plugins/extensions/pykrita/plugin/utilities.cpp b/plugins/extensions/pykrita/plugin/utilities.cpp
--- a/plugins/extensions/pykrita/plugin/utilities.cpp
+++ b/plugins/extensions/pykrita/plugin/utilities.cpp
@@ -76,7 +76,11 @@
             return initStatus;
         }
 
+#if defined(IS_PY3K)
         if (0 != PyImport_AppendInittab(Python::PYKRITA_ENGINE, PyInit_pykrita)) {
+#else
+        if (0 != PyImport_AppendInittab(Python::PYKRITA_ENGINE, initpykrita)) {
+#endif
             initStatus = INIT_CANNOT_LOAD_PYKRITA_MODULE;
             return initStatus;
         }
@@ -101,6 +105,7 @@
 
         pluginManagerInstance.reset(new PythonPluginManager());
 
+#if defined(IS_PY3K)
         // Initialize our built-in module.
         auto pykritaModule = PyInit_pykrita();
 
@@ -109,6 +114,9 @@
             return initStatus;
             //return i18nc("@info:tooltip ", "No <icode>pykrita</icode> built-in module");
         }
+#else
+        initpykrita();
+#endif
 
         initStatus = INIT_OK;
         return initStatus;
@@ -407,12 +415,16 @@
 #ifdef Q_OS_WIN
     QVector<wchar_t> joinedPathsWChars(joinedPaths.size() + 1, 0);
     joinedPaths.toWCharArray(joinedPathsWChars.data());
-    Py_SetPath(joinedPathsWChars.data());
+    PyRun_SimpleString("import sys; import os");
+    QString pathCommand = QString("sys.path += '") + joinedPaths + QString("'.split(os.pathsep)");
+    PyRun_SimpleString(pathCommand.toUtf8().constData());
 #else
     if (KoResourcePaths::getApplicationRoot().contains(".mount_Krita")) {
         QVector<wchar_t> joinedPathsWChars(joinedPaths.size() + 1, 0);
         joinedPaths.toWCharArray(joinedPathsWChars.data());
-        Py_SetPath(joinedPathsWChars.data());
+        PyRun_SimpleString("import sys; import os");
+        QString pathCommand = QString("sys.path += '") + joinedPaths + QString("'.split(os.pathsep)");
+        PyRun_SimpleString(pathCommand.toUtf8().constData());
     }
     else {
         qputenv("PYTHONPATH", joinedPaths.toLocal8Bit());
diff --git a/plugins/extensions/pykrita/sip/CMakeLists.txt b/plugins/extensions/pykrita/sip/CMakeLists.txt
--- a/plugins/extensions/pykrita/sip/CMakeLists.txt
+++ b/plugins/extensions/pykrita/sip/CMakeLists.txt
@@ -6,7 +6,7 @@
 message( ${SIP_INCLUDE_DIR} " - Directory holding the SIP C++ header file.")
 message( ${SIP_DEFAULT_SIP_DIR} " - default SIP dir" )
 
-set(SIP_INCLUDES 
+set(SIP_INCLUDES
     ${SIP_DEFAULT_SIP_DIR}
     ${PYQT5_SIP_DIR}
     ${PYQT_SIP_DIR_OVERRIDE}
@@ -21,7 +21,10 @@
 set(SIP_EXTRA_FILES_DEPEND ${PYKRITA_KRITA_sip_files})
 add_sip_python_module(PyKrita.krita ./krita/kritamod.sip kritalibkis kritaui kritaimage kritalibbrush)
 
-#install(FILES
-#    ./__init__.py
-#    DESTINATION ${PYTHON_SITE_PACKAGES_INSTALL_DIR})
-
+if (ENABLE_PYTHON_2)
+    # Add an init file to turn it into a valid py2 module.
+    # Otherwise PyKrita cannot be loaded.
+    install(FILES
+        ./__init__.py
+        DESTINATION ${PYTHON_SITE_PACKAGES_INSTALL_DIR}/PyKrita)
+endif (ENABLE_PYTHON_2)
diff --git a/plugins/extensions/pykrita/sip/__init__.py b/plugins/extensions/pykrita/sip/__init__.py
new file mode 100644
diff --git a/plugins/python/assignprofiledialog/assignprofiledialog.py b/plugins/python/assignprofiledialog/assignprofiledialog.py
--- a/plugins/python/assignprofiledialog/assignprofiledialog.py
+++ b/plugins/python/assignprofiledialog/assignprofiledialog.py
@@ -9,20 +9,20 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-import sys
-from PyQt5.QtGui import *
-from PyQt5.QtWidgets import *
-from krita import *
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import (QDialogButtonBox, QDialog,
+                             QMessageBox, QComboBox, QVBoxLayout)
+from krita import Extension
 
 
 class AssignProfileDialog(Extension):
 
     def __init__(self, parent):
-        super().__init__(parent)
+        super(AssignProfileDialog, self).__init__(parent)
 
     def assignProfile(self):
         doc = Application.activeDocument()
-        if doc == None:
+        if doc is None:
             QMessageBox.information(Application.activeWindow().qwindow(), "Assign Profile", "There is no active document.")
             return
 
@@ -35,7 +35,7 @@
         vbox = QVBoxLayout(self.dialog)
         vbox.addWidget(self.cmbProfile)
         self.buttonBox = QDialogButtonBox(self.dialog)
-        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.buttonBox.setOrientation(Qt.Horizontal)
         self.buttonBox.setStandardButtons(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
         self.buttonBox.accepted.connect(self.dialog.accept)
         self.buttonBox.accepted.connect(self.accept)
@@ -51,9 +51,10 @@
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("assing_profile_to_image", "Assign Profile to Image")
         action.triggered.connect(self.assignProfile)
 
+
 Scripter.addExtension(AssignProfileDialog(Application))
diff --git a/plugins/python/assignprofiledialog/kritapykrita_assignprofiledialog.desktop b/plugins/python/assignprofiledialog/kritapykrita_assignprofiledialog.desktop
--- a/plugins/python/assignprofiledialog/kritapykrita_assignprofiledialog.desktop
+++ b/plugins/python/assignprofiledialog/kritapykrita_assignprofiledialog.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=assignprofiledialog
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Assign Profile to Image
 Name[ar]=إسناد اللاحات إلى الصّور
diff --git a/plugins/python/colorspace/colorspace.py b/plugins/python/colorspace/colorspace.py
--- a/plugins/python/colorspace/colorspace.py
+++ b/plugins/python/colorspace/colorspace.py
@@ -10,7 +10,7 @@
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
 import krita
-from colorspace import uicolorspace
+from . import uicolorspace
 
 
 class ColorSpaceExtension(krita.Extension):
@@ -20,7 +20,7 @@
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("color_space", "Color Space")
         action.setToolTip("Plugin to change color space to selected documents")
diff --git a/plugins/python/colorspace/kritapykrita_colorspace.desktop b/plugins/python/colorspace/kritapykrita_colorspace.desktop
--- a/plugins/python/colorspace/kritapykrita_colorspace.desktop
+++ b/plugins/python/colorspace/kritapykrita_colorspace.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=colorspace
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Color Space
 Name[ar]=الفضاء اللونيّ
diff --git a/plugins/python/colorspace/uicolorspace.py b/plugins/python/colorspace/uicolorspace.py
--- a/plugins/python/colorspace/uicolorspace.py
+++ b/plugins/python/colorspace/uicolorspace.py
@@ -9,8 +9,8 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-from colorspace import colorspacedialog
-from colorspace.components import colormodelcombobox, colordepthcombobox, colorprofilecombobox
+from . import colorspacedialog
+from .components import colormodelcombobox, colordepthcombobox, colorprofilecombobox
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import (QFormLayout, QListWidget, QListWidgetItem,
                              QAbstractItemView, QComboBox, QDialogButtonBox,
@@ -18,7 +18,7 @@
                              QHBoxLayout, QAbstractScrollArea)
 from PyQt5.QtGui import QIcon
 import krita
-from colorspace import resources_rc
+from . import resources_rc
 
 
 class UIColorSpace(object):
diff --git a/plugins/python/documenttools/documenttools.py b/plugins/python/documenttools/documenttools.py
--- a/plugins/python/documenttools/documenttools.py
+++ b/plugins/python/documenttools/documenttools.py
@@ -10,7 +10,7 @@
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
 import krita
-from documenttools import uidocumenttools
+from . import uidocumenttools
 
 
 class DocumentToolsExtension(krita.Extension):
@@ -20,7 +20,7 @@
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("document_tools", "Document Tools")
         action.setToolTip("Plugin to manipulate properties of selected documents")
diff --git a/plugins/python/documenttools/kritapykrita_documenttools.desktop b/plugins/python/documenttools/kritapykrita_documenttools.desktop
--- a/plugins/python/documenttools/kritapykrita_documenttools.desktop
+++ b/plugins/python/documenttools/kritapykrita_documenttools.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=documenttools
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Document Tools
 Name[ar]=أدوات المستندات
diff --git a/plugins/python/documenttools/uidocumenttools.py b/plugins/python/documenttools/uidocumenttools.py
--- a/plugins/python/documenttools/uidocumenttools.py
+++ b/plugins/python/documenttools/uidocumenttools.py
@@ -9,7 +9,7 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-from documenttools import documenttoolsdialog
+from . import documenttoolsdialog
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import (QFormLayout, QListWidget, QAbstractItemView,
                              QDialogButtonBox, QVBoxLayout, QFrame, QTabWidget,
@@ -71,7 +71,8 @@
         modules = []
 
         for classPath in toolsModule.ToolClasses:
-            _module, _klass = classPath.rsplit('.', maxsplit=1)
+            _module = classPath[:classPath.rfind(".")]
+            _klass = classPath[classPath.rfind(".") + 1:]
             modules.append(dict(module='{0}.{1}'.format(modulePath, _module),
                                 klass=_klass))
 
diff --git a/plugins/python/exportlayers/exportlayers.py b/plugins/python/exportlayers/exportlayers.py
--- a/plugins/python/exportlayers/exportlayers.py
+++ b/plugins/python/exportlayers/exportlayers.py
@@ -10,7 +10,7 @@
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
 import krita
-from exportlayers import uiexportlayers
+from . import uiexportlayers
 
 
 class ExportLayersExtension(krita.Extension):
@@ -20,7 +20,7 @@
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("export_layers", "Export Layers")
         action.setToolTip("Plugin to export layers from a document")
diff --git a/plugins/python/exportlayers/kritapykrita_exportlayers.desktop b/plugins/python/exportlayers/kritapykrita_exportlayers.desktop
--- a/plugins/python/exportlayers/kritapykrita_exportlayers.desktop
+++ b/plugins/python/exportlayers/kritapykrita_exportlayers.desktop
@@ -3,7 +3,7 @@
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=exportlayers
 X-Krita-Manual=Manual.html
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 Name=Export Layers
 Name[ar]=تصدير الطّبقات
 Name[ca]=Exportació de capes
diff --git a/plugins/python/exportlayers/uiexportlayers.py b/plugins/python/exportlayers/uiexportlayers.py
--- a/plugins/python/exportlayers/uiexportlayers.py
+++ b/plugins/python/exportlayers/uiexportlayers.py
@@ -9,7 +9,7 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-from exportlayers import exportlayersdialog
+from . import exportlayersdialog
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import (QFormLayout, QListWidget, QHBoxLayout,
                              QDialogButtonBox, QVBoxLayout, QFrame,
@@ -127,17 +127,20 @@
         self.msgBox.exec_()
 
     def mkdir(self, directory):
+        target_directory = self.directoryTextField.text() + directory
+        if os.path.exists(target_directory) and os.path.isdir(target_directory):
+            return
+
         try:
-            os.makedirs(self.directoryTextField.text() + directory)
+            os.makedirs(target_directory)
         except OSError as e:
-            if e.errno != errno.EEXIST:
-                raise
+            raise e
 
     def export(self, document):
         Application.setBatchmode(self.batchmodeCheckBox.isChecked())
 
         documentName = document.fileName() if document.fileName() else 'Untitled'
-        fileName, extension = str(documentName).rsplit('/', maxsplit=1)[-1].split('.', maxsplit=1)
+        fileName, extension = os.path.splitext(os.path.basename(documentName))
         self.mkdir('/' + fileName)
 
         self._exportLayers(document.rootNode(), self.formatsComboBox.currentText(), '/' + fileName)
@@ -150,7 +153,7 @@
         for node in parentNode.childNodes():
             newDir = ''
             if node.type() == 'grouplayer':
-                newDir = parentDir + '/' + node.name()
+                newDir = os.path.join(parentDir, node.name())
                 self.mkdir(newDir)
             elif not self.exportFilterLayersCheckBox.isChecked() and 'filter' in node.type():
                 continue
@@ -164,8 +167,9 @@
                 elif '[png]' in nodeName:
                     _fileFormat = 'png'
 
-                layerFileName = '{0}{1}/{2}.{3}'.format(self.directoryTextField.text(), parentDir, node.name(), _fileFormat)
-                teste = node.save(layerFileName, self.xResSpinBox.value(), self.yResSpinBox.value())
+                layerFileName = '{0}{1}/{2}.{3}'.format(self.directoryTextField.text(),
+                                                        parentDir, node.name(), _fileFormat)
+                node.save(layerFileName, self.xResSpinBox.value(), self.yResSpinBox.value())
 
             if node.childNodes():
                 self._exportLayers(node, fileFormat, newDir)
diff --git a/plugins/python/filtermanager/components/filtermanagertreemodel.py b/plugins/python/filtermanager/components/filtermanagertreemodel.py
--- a/plugins/python/filtermanager/components/filtermanagertreemodel.py
+++ b/plugins/python/filtermanager/components/filtermanagertreemodel.py
@@ -11,7 +11,7 @@
 '''
 from PyQt5.QtCore import QAbstractItemModel, QFile, QIODevice, QModelIndex, Qt
 from PyQt5.QtWidgets import QApplication, QTreeView
-from filtermanager.components import filtermanagertreeitem
+from . import filtermanagertreeitem
 from PyQt5.QtGui import QPixmap
 
 
diff --git a/plugins/python/filtermanager/filtermanager.py b/plugins/python/filtermanager/filtermanager.py
--- a/plugins/python/filtermanager/filtermanager.py
+++ b/plugins/python/filtermanager/filtermanager.py
@@ -10,7 +10,7 @@
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
 import krita
-from filtermanager import uifiltermanager
+from . import uifiltermanager
 
 
 class FilterManagerExtension(krita.Extension):
@@ -20,7 +20,7 @@
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("filter_manager", "Filter Manager")
         action.setToolTip("Plugin to filters management")
diff --git a/plugins/python/filtermanager/kritapykrita_filtermanager.desktop b/plugins/python/filtermanager/kritapykrita_filtermanager.desktop
--- a/plugins/python/filtermanager/kritapykrita_filtermanager.desktop
+++ b/plugins/python/filtermanager/kritapykrita_filtermanager.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=filtermanager
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Filter Manager
 Name[ar]=مدير المرشّحات
diff --git a/plugins/python/filtermanager/uifiltermanager.py b/plugins/python/filtermanager/uifiltermanager.py
--- a/plugins/python/filtermanager/uifiltermanager.py
+++ b/plugins/python/filtermanager/uifiltermanager.py
@@ -9,8 +9,8 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-from filtermanager import filtermanagerdialog
-from filtermanager.components import (filtercombobox, filtermanagertreemodel)
+from . import filtermanagerdialog
+from .components import (filtercombobox, filtermanagertreemodel)
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import (QFormLayout, QAbstractItemView, QDialogButtonBox,
                              QVBoxLayout, QFrame, QAbstractScrollArea, QWidget,
diff --git a/plugins/python/hello/hello.py b/plugins/python/hello/hello.py
--- a/plugins/python/hello/hello.py
+++ b/plugins/python/hello/hello.py
@@ -9,14 +9,14 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
-"""
-This is a simple example of a Python script for Krita.
-It demonstrates how to set up a custom extension and a custom docker!
-"""
+#
+# This is a simple example of a Python script for Krita.
+# It demonstrates how to set up a custom extension and a custom docker!
+#
 
-from PyQt5.QtCore import qDebug
 from PyQt5.QtWidgets import QWidget, QLabel, QMessageBox
-from krita import Krita, Extension, DockWidget, DockWidgetFactory, DockWidgetFactoryBase
+from krita import (Krita, Extension, DockWidget,
+                   DockWidgetFactory, DockWidgetFactoryBase)
 
 
 def hello():
@@ -39,7 +39,7 @@
         :param parent: Parent widget
         :type parent: :class:`QWidget` or None
         """
-        super().__init__(parent)
+        super(HelloExtension, self).__init__(parent)
 
     def setup(self):
         pass
@@ -65,7 +65,7 @@
         """
         Constructs an instance of HelloDocker and the widget it contains
         """
-        super().__init__()
+        super(HelloDocker, self).__init__()
 
         # The window title is also used in the Docker menu,
         # so it should be set to something sensible!
diff --git a/plugins/python/hello/kritapykrita_hello.desktop b/plugins/python/hello/kritapykrita_hello.desktop
--- a/plugins/python/hello/kritapykrita_hello.desktop
+++ b/plugins/python/hello/kritapykrita_hello.desktop
@@ -3,7 +3,7 @@
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=hello
 X-Krita-Manual=Manual.html
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 Name=Hello World
 Name[ar]=مرحبًا يا عالم
 Name[ca]=Hola món
diff --git a/plugins/python/lastdocumentsdocker/lastdocumentsdocker.py b/plugins/python/lastdocumentsdocker/lastdocumentsdocker.py
--- a/plugins/python/lastdocumentsdocker/lastdocumentsdocker.py
+++ b/plugins/python/lastdocumentsdocker/lastdocumentsdocker.py
@@ -11,7 +11,7 @@
 '''
 from PyQt5.QtWidgets import QWidget, QVBoxLayout, QListView, QPushButton
 import krita
-from lastdocumentsdocker import lastdocumentslistmodel
+from . import lastdocumentslistmodel
 
 
 class LastDocumentsDocker(krita.DockWidget):
diff --git a/plugins/python/palette_docker/kritapykrita_palette_docker.desktop b/plugins/python/palette_docker/kritapykrita_palette_docker.desktop
--- a/plugins/python/palette_docker/kritapykrita_palette_docker.desktop
+++ b/plugins/python/palette_docker/kritapykrita_palette_docker.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=palette_docker
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Palette docker
 Name[ar]=رصيف اللوحات
diff --git a/plugins/python/palette_docker/palette_docker.py b/plugins/python/palette_docker/palette_docker.py
--- a/plugins/python/palette_docker/palette_docker.py
+++ b/plugins/python/palette_docker/palette_docker.py
@@ -32,7 +32,7 @@
     # Init the docker
 
     def __init__(self):
-        super().__init__()
+        super(Palette_Docker, self).__init__()
         # make base-widget and layout
         widget = QWidget()
         layout = QVBoxLayout()
@@ -142,7 +142,7 @@
             pass
         palette = self.currentPalette
         self.colorComboBox.clear()
-        self.colorList.clear()
+        self.colorList = list()
         for i in range(palette.colorsCountTotal()):
             entry = palette.colorSetEntryByIndex(i)
             color = palette.colorForEntry(entry).colorForCanvas(self.canvas())
diff --git a/plugins/python/palette_docker/palette_sortColors.py b/plugins/python/palette_docker/palette_sortColors.py
--- a/plugins/python/palette_docker/palette_sortColors.py
+++ b/plugins/python/palette_docker/palette_sortColors.py
@@ -18,12 +18,10 @@
 
 
 # Importing the relevant dependencies:
-import sys
-import math
 from krita import *
 
 
-class sortColors:
+class sortColors(object):
 
     def __init__(self, name):
         # We want people to select a palette...
diff --git a/plugins/python/quick_settings_docker/kritapykrita_quick_settings_docker.desktop b/plugins/python/quick_settings_docker/kritapykrita_quick_settings_docker.desktop
--- a/plugins/python/quick_settings_docker/kritapykrita_quick_settings_docker.desktop
+++ b/plugins/python/quick_settings_docker/kritapykrita_quick_settings_docker.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=quick_settings_docker
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Quick Settings Docker
 Name[ar]=رصيف بإعدادات سريعة
diff --git a/plugins/python/quick_settings_docker/quick_settings_docker.py b/plugins/python/quick_settings_docker/quick_settings_docker.py
--- a/plugins/python/quick_settings_docker/quick_settings_docker.py
+++ b/plugins/python/quick_settings_docker/quick_settings_docker.py
@@ -28,7 +28,7 @@
     # Init the docker
 
     def __init__(self):
-        super().__init__()
+        super(QuickSettingsDocker, self).__init__()
         # make base-widget and layout
         widget = QWidget()
         layout = QVBoxLayout()
@@ -133,7 +133,7 @@
             brush.setColor(self.brushSizeTableView.palette().color(QPalette.Text))
             circlePainter.setBrush(brush)
             circlePainter.setPen(QPen(QBrush(Qt.transparent), 0))
-            circlePainter.setOpacity(self.opacityList[s] / 100)
+            circlePainter.setOpacity(float(self.opacityList[s]) / 100.0)
             circlePainter.drawEllipse(QPointF(32, 32), 32, 32)
             circlePainter.end()
             brushImage = QPixmap.fromImage(img)
@@ -159,14 +159,14 @@
     @pyqtSlot('QModelIndex')
     def setBrushOpacity(self, index):
         i = index.row()
-        brushOpacity = self.opacityList[i] / 100
+        brushOpacity = float(self.opacityList[i]) / 100.0
         if Application.activeWindow() and len(Application.activeWindow().views()) > 0:
             Application.activeWindow().views()[0].setPaintingOpacity(brushOpacity)
 
     @pyqtSlot('QModelIndex')
     def setBrushFlow(self, index):
         i = index.row()
-        brushOpacity = self.opacityList[i] / 100
+        brushOpacity = float(self.opacityList[i]) / 100.0
         if Application.activeWindow() and len(Application.activeWindow().views()) > 0:
             Application.activeWindow().views()[0].setPaintingFlow(brushOpacity)
 
diff --git a/plugins/python/scripter/debugcontroller.py b/plugins/python/scripter/debugcontroller.py
--- a/plugins/python/scripter/debugcontroller.py
+++ b/plugins/python/scripter/debugcontroller.py
@@ -15,8 +15,13 @@
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 """
-from scripter.debugger_scripter import debugger
-import asyncio
+from .debugger_scripter import debugger
+import sys
+if sys.version_info[0] > 2:
+    import asyncio
+else:
+    # trollius is a port of asyncio for python2.
+    import trollius as asyncio
 
 
 class DebugController (object):
diff --git a/plugins/python/scripter/debugger_scripter/debugger.py b/plugins/python/scripter/debugger_scripter/debugger.py
--- a/plugins/python/scripter/debugger_scripter/debugger.py
+++ b/plugins/python/scripter/debugger_scripter/debugger.py
@@ -17,7 +17,11 @@
 """
 import bdb
 import multiprocessing
-import asyncio
+import sys
+if sys.version_info[0] > 2:
+    import asyncio
+else:
+    import trollius as asyncio
 from . import debuggerformatter
 
 
@@ -97,7 +101,9 @@
 
         while True:
             if self.applicationq.empty():
-                yield from asyncio.sleep(0.3)
+                # 'yield from' is not available in Python 2.
+                for i in asyncio.sleep(0.3):
+                    yield i
             else:
                 while not self.applicationq.empty():
                     self.application_data.update(self.applicationq.get())
@@ -106,15 +112,15 @@
 
     @asyncio.coroutine
     def start(self):
-        yield from self.display()
+        yield self.display()
 
     @asyncio.coroutine
     def step(self):
         self.debugq.put("step")
-        yield from self.display()
+        yield self.display()
 
     @asyncio.coroutine
     def stop(self):
         self.debugq.put("stop")
         self.applicationq.put({"quit": True})
-        yield from self.display()
+        yield self.display()
diff --git a/plugins/python/scripter/documentcontroller.py b/plugins/python/scripter/documentcontroller.py
--- a/plugins/python/scripter/documentcontroller.py
+++ b/plugins/python/scripter/documentcontroller.py
@@ -15,7 +15,7 @@
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 """
-from scripter.document_scripter import document
+from .document_scripter import document
 
 
 class DocumentController(object):
diff --git a/plugins/python/scripter/kritapykrita_scripter.desktop b/plugins/python/scripter/kritapykrita_scripter.desktop
--- a/plugins/python/scripter/kritapykrita_scripter.desktop
+++ b/plugins/python/scripter/kritapykrita_scripter.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=scripter
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Scripter
 Name[ca]=Scripter
diff --git a/plugins/python/scripter/scripter.py b/plugins/python/scripter/scripter.py
--- a/plugins/python/scripter/scripter.py
+++ b/plugins/python/scripter/scripter.py
@@ -15,20 +15,19 @@
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 """
-from PyQt5.QtWidgets import QDialog
 from PyQt5.QtCore import QSettings, QStandardPaths
-from krita import *
-from scripter import uicontroller, documentcontroller, debugcontroller
+from krita import Krita, Extension
+from . import uicontroller, documentcontroller, debugcontroller
 
 
 class ScripterExtension(Extension):
 
     def __init__(self, parent):
-        super().__init__(parent)
+        super(ScripterExtension, self).__init__(parent)
 
     def setup(self):
         pass
-    
+
     def createActions(self, window):
         action = window.createAction("python_scripter", "Scripter")
         action.triggered.connect(self.initialize)
diff --git a/plugins/python/scripter/ui_scripter/actions/closeaction/closeaction.py b/plugins/python/scripter/ui_scripter/actions/closeaction/closeaction.py
--- a/plugins/python/scripter/ui_scripter/actions/closeaction/closeaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/closeaction/closeaction.py
@@ -43,7 +43,7 @@
         msgBox.setStandardButtons(QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel)
         msgBox.setDefaultButton(QMessageBox.Save)
 
-        ret = msgBox.exec()
+        ret = msgBox.exec_()
 
         if ret == QMessageBox.Cancel:
             return
diff --git a/plugins/python/scripter/ui_scripter/actions/newaction/newaction.py b/plugins/python/scripter/ui_scripter/actions/newaction/newaction.py
--- a/plugins/python/scripter/ui_scripter/actions/newaction/newaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/newaction/newaction.py
@@ -44,7 +44,7 @@
         msgBox.setStandardButtons(QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel)
         msgBox.setDefaultButton(QMessageBox.Save)
 
-        ret = msgBox.exec()
+        ret = msgBox.exec_()
 
         if ret == QMessageBox.Cancel:
             return
diff --git a/plugins/python/scripter/ui_scripter/actions/openaction/openaction.py b/plugins/python/scripter/ui_scripter/actions/openaction/openaction.py
--- a/plugins/python/scripter/ui_scripter/actions/openaction/openaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/openaction/openaction.py
@@ -19,6 +19,8 @@
 from PyQt5.QtGui import QKeySequence
 from PyQt5.QtCore import Qt
 
+import os
+
 
 class OpenAction(QAction):
 
@@ -40,16 +42,15 @@
         dialog = QFileDialog(self.scripter.uicontroller.mainWidget)
         dialog.setNameFilter('Python files (*.py)')
 
-        if dialog.exec():
+        if dialog.exec_():
             try:
                 selectedFile = dialog.selectedFiles()[0]
-                fileExtension = selectedFile.rsplit('.', maxsplit=1)[1]
+                _, fileExtension = os.path.splitext(selectedFile)
 
-                if fileExtension == 'py':
+                if fileExtension == '.py':
                     document = self.scripter.documentcontroller.openDocument(selectedFile)
                     self.scripter.uicontroller.setDocumentEditor(document)
                     self.scripter.uicontroller.setStatusBar(document.filePath)
-                    print("open is run")
             except Exception:
                 QMessageBox.information(self.scripter.uicontroller.mainWidget,
                                         'Invalid File',
diff --git a/plugins/python/scripter/ui_scripter/actions/reloadaction/reloadaction.py b/plugins/python/scripter/ui_scripter/actions/reloadaction/reloadaction.py
--- a/plugins/python/scripter/ui_scripter/actions/reloadaction/reloadaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/reloadaction/reloadaction.py
@@ -1,4 +1,21 @@
-from PyQt5.QtWidgets import QAction, QFileDialog, QMessageBox
+"""
+Copyright (c) 2017 Eliakin Costa <eliakim170@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+"""
+from PyQt5.QtWidgets import QAction, QMessageBox
 from PyQt5.QtGui import QKeySequence
 from PyQt5.QtCore import Qt
 
@@ -41,6 +58,5 @@
         document = self.scripter.documentcontroller.openDocument(curr_doc_fpath)
         self.scripter.uicontroller.setDocumentEditor(document)
         self.scripter.uicontroller.setStatusBar(document.filePath)
-        print("reload is run")
 
         return document
diff --git a/plugins/python/scripter/ui_scripter/actions/runaction/docwrapper.py b/plugins/python/scripter/ui_scripter/actions/runaction/docwrapper.py
--- a/plugins/python/scripter/ui_scripter/actions/runaction/docwrapper.py
+++ b/plugins/python/scripter/ui_scripter/actions/runaction/docwrapper.py
@@ -18,7 +18,7 @@
 from PyQt5.QtGui import QTextCursor
 
 
-class DocWrapper:
+class DocWrapper(object):
 
     def __init__(self, textdocument):
         self.textdocument = textdocument
diff --git a/plugins/python/scripter/ui_scripter/actions/runaction/runaction.py b/plugins/python/scripter/ui_scripter/actions/runaction/runaction.py
--- a/plugins/python/scripter/ui_scripter/actions/runaction/runaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/runaction/runaction.py
@@ -19,12 +19,17 @@
 from PyQt5.QtGui import QIcon, QKeySequence
 from PyQt5.QtCore import Qt
 import sys
-from . import docwrapper
-import importlib
-from importlib.machinery import SourceFileLoader
 import traceback
+import inspect
+from . import docwrapper
 
+if sys.version_info[0] > 2:
+    import importlib
+    from importlib.machinery import SourceFileLoader
+else:
+    import imp
 
+PYTHON27 = sys.version_info.major == 2 and sys.version_info.minor == 7
 PYTHON33 = sys.version_info.major == 3 and sys.version_info.minor == 3
 PYTHON34 = sys.version_info.major == 3 and sys.version_info.minor == 4
 EXEC_NAMESPACE = "__main__"  # namespace that user scripts will run in
@@ -75,37 +80,26 @@
 
         try:
             if document and self.editor._documentModified is False:
-                spec = importlib.util.spec_from_file_location(EXEC_NAMESPACE, document.filePath)
-                try:
-                    users_module = importlib.util.module_from_spec(spec)
-                    spec.loader.exec_module(users_module)
-
-                except AttributeError as e:  # no module from spec
-                    if PYTHON34 or PYTHON33:
-                        loader = SourceFileLoader(EXEC_NAMESPACE, document.filePath)
-                        users_module = loader.load_module()
-                    else:
-                        raise e
-
-                try:
-                    # maybe script is to be execed, maybe main needs to be invoked
-                    # if there is a main() then execute it, otherwise don't worry...
+                if PYTHON27:
+                    users_module = self.run_py2_document(document)
+                else:
+                    users_module = self.run_py3_document(document)
+
+                # maybe script is to be execed, maybe main needs to be invoked
+                # if there is a main() then execute it, otherwise don't worry...
+                if hasattr(users_module, "main") and inspect.isfunction(users_module.main):
                     users_module.main()
-                except AttributeError:
-                    pass
-
             else:
                 code = compile(script, '<string>', 'exec')
                 globals_dict = {"__name__": EXEC_NAMESPACE}
                 exec(code, globals_dict)
 
-        except Exception as e:
-            """Provide context (line number and text) for an error that is caught.
-            Ordinarily, syntax and Indent errors are caught during initial
-            compilation in exec(), and the traceback traces back to this file.
-            So these need to be treated separately.
-            Other errors trace back to the file/script being run.
-            """
+        except Exception:
+            # Provide context (line number and text) for an error that is caught.
+            # Ordinarily, syntax and Indent errors are caught during initial
+            # compilation in exec(), and the traceback traces back to this file.
+            # So these need to be treated separately.
+            # Other errors trace back to the file/script being run.
             type_, value_, traceback_ = sys.exc_info()
             if type_ == SyntaxError:
                 errorMessage = "%s\n%s" % (value_.text.rstrip(), " " * (value_.offset - 1) + "^")
@@ -130,3 +124,32 @@
         # scroll to bottom of output
         bottom = self.output.verticalScrollBar().maximum()
         self.output.verticalScrollBar().setValue(bottom)
+
+    def run_py2_document(self, document):
+        """ Loads and executes an external script using Python 2 specific operations
+        and returns the loaded module for further execution if needed.
+        """
+        try:
+            user_module = imp.load_source(EXEC_NAMESPACE, document.filePath)
+        except Exception as e:
+            raise e
+
+        return user_module
+
+    def run_py3_document(self, document):
+        """ Loads and executes an external script using Python 3 specific operations
+        and returns the loaded module for further execution if needed.
+        """
+        spec = importlib.util.spec_from_file_location(EXEC_NAMESPACE, document.filePath)
+        try:
+            users_module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(users_module)
+
+        except AttributeError as e:  # no module from spec
+            if PYTHON34 or PYTHON33:
+                loader = SourceFileLoader(EXEC_NAMESPACE, document.filePath)
+                users_module = loader.load_module()
+            else:
+                raise e
+
+        return users_module
diff --git a/plugins/python/scripter/ui_scripter/actions/settingsaction/settingsaction.py b/plugins/python/scripter/ui_scripter/actions/settingsaction/settingsaction.py
--- a/plugins/python/scripter/ui_scripter/actions/settingsaction/settingsaction.py
+++ b/plugins/python/scripter/ui_scripter/actions/settingsaction/settingsaction.py
@@ -40,7 +40,7 @@
 
     def openSettings(self):
         self.settingsDialog.show()
-        self.settingsDialog.exec()
+        self.settingsDialog.exec_()
 
     def readSettings(self):
         self.settingsDialog.readSettings(self.scripter.settings)
diff --git a/plugins/python/scripter/uicontroller.py b/plugins/python/scripter/uicontroller.py
--- a/plugins/python/scripter/uicontroller.py
+++ b/plugins/python/scripter/uicontroller.py
@@ -15,14 +15,14 @@
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 """
-from PyQt5.QtGui import QTextCursor, QPalette, QFontInfo
+from PyQt5.QtCore import Qt, QObject, QFileInfo, QRect
+from PyQt5.QtGui import QTextCursor, QPalette
 from PyQt5.QtWidgets import (QToolBar, QMenuBar, QTabWidget,
                              QLabel, QVBoxLayout, QMessageBox,
                              QSplitter, QSizePolicy)
-from PyQt5.QtCore import Qt, QObject, QFileInfo, pyqtSlot, QRect
-from scripter.ui_scripter.syntax import syntax, syntaxstyles
-from scripter.ui_scripter.editor import pythoneditor
-from scripter import scripterdialog
+from .ui_scripter.syntax import syntax, syntaxstyles
+from .ui_scripter.editor import pythoneditor
+from . import scripterdialog
 import importlib
 
 KEY_GEOMETRY = "geometry"
@@ -122,7 +122,8 @@
         modules = []
 
         for class_path in actions_module.action_classes:
-            _module, _klass = class_path.rsplit('.', maxsplit=1)
+            _module = class_path[:class_path.rfind(".")]
+            _klass = class_path[class_path.rfind(".") + 1:]
             modules.append(dict(module='{0}.{1}'.format(module_path, _module),
                                 klass=_klass))
 
@@ -141,8 +142,9 @@
         widgetsModule = importlib.import_module(modulePath)
         modules = []
 
-        for classPath in widgetsModule.widgetClasses:
-            _module, _klass = classPath.rsplit('.', maxsplit=1)
+        for class_path in widgetsModule.widgetClasses:
+            _module = class_path[:class_path.rfind(".")]
+            _klass = class_path[class_path.rfind(".") + 1:]
             modules.append(dict(module='{0}.{1}'.format(modulePath, _module),
                                 klass=_klass))
 
diff --git a/plugins/python/tenbrushes/kritapykrita_tenbrushes.desktop b/plugins/python/tenbrushes/kritapykrita_tenbrushes.desktop
--- a/plugins/python/tenbrushes/kritapykrita_tenbrushes.desktop
+++ b/plugins/python/tenbrushes/kritapykrita_tenbrushes.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=tenbrushes
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Ten Brushes
 Name[ar]=عشرُ فُرش
diff --git a/plugins/python/tenbrushes/tenbrushes.py b/plugins/python/tenbrushes/tenbrushes.py
--- a/plugins/python/tenbrushes/tenbrushes.py
+++ b/plugins/python/tenbrushes/tenbrushes.py
@@ -10,7 +10,7 @@
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
 import krita
-from tenbrushes import uitenbrushes
+from . import uitenbrushes
 
 
 class TenBrushesExtension(krita.Extension):
@@ -24,7 +24,7 @@
 
     def setup(self):
         self.readSettings()
-        
+
     def createActions(self, window):
         action = window.createAction("ten_brushes", "Ten Brushes")
         action.setToolTip("Assign ten brush presets to ten shortcuts.")
diff --git a/plugins/python/tenbrushes/uitenbrushes.py b/plugins/python/tenbrushes/uitenbrushes.py
--- a/plugins/python/tenbrushes/uitenbrushes.py
+++ b/plugins/python/tenbrushes/uitenbrushes.py
@@ -12,7 +12,7 @@
 from PyQt5.QtCore import Qt, QSize
 from PyQt5.QtGui import QPixmap, QIcon
 from PyQt5.QtWidgets import (QDialogButtonBox, QLabel, QVBoxLayout, QHBoxLayout)
-from tenbrushes import tenbrushesdialog, dropbutton
+from . import tenbrushesdialog, dropbutton
 import krita
 
 
@@ -44,7 +44,6 @@
         self.vbox.addWidget(self.presetChooser)
         self.vbox.addWidget(self.buttonBox)
 
-
         self.mainDialog.show()
         self.mainDialog.activateWindow()
         self.mainDialog.exec_()
diff --git a/plugins/python/tenscripts/kritapykrita_tenscripts.desktop b/plugins/python/tenscripts/kritapykrita_tenscripts.desktop
--- a/plugins/python/tenscripts/kritapykrita_tenscripts.desktop
+++ b/plugins/python/tenscripts/kritapykrita_tenscripts.desktop
@@ -2,7 +2,7 @@
 Type=Service
 ServiceTypes=Krita/PythonPlugin
 X-KDE-Library=tenscripts
-X-Python-2-Compatible=false
+X-Python-2-Compatible=true
 X-Krita-Manual=Manual.html
 Name=Ten Scripts
 Name[ar]=عشرُ سكربتات
diff --git a/plugins/python/tenscripts/tenscripts.py b/plugins/python/tenscripts/tenscripts.py
--- a/plugins/python/tenscripts/tenscripts.py
+++ b/plugins/python/tenscripts/tenscripts.py
@@ -9,23 +9,29 @@
 
 https://creativecommons.org/publicdomain/zero/1.0/legalcode
 '''
+import sys
+
 from PyQt5.QtWidgets import QMessageBox
 import krita
-from tenscripts import uitenscripts
-import importlib
+from . import uitenscripts
+
+if sys.version_info[0] > 2:
+    import importlib
+else:
+    import imp
 
 
 class TenScriptsExtension(krita.Extension):
 
     def __init__(self, parent):
-       super(TenScriptsExtension, self).__init__(parent)
+        super(TenScriptsExtension, self).__init__(parent)
 
-       self.actions = []
-       self.scripts = []
+        self.actions = []
+        self.scripts = []
 
     def setup(self):
         self.readSettings()
-        
+
     def createActions(self, window):
         action = window.createAction("ten_scripts", "Ten Scripts")
         action.setToolTip("Assign ten scripts to ten shortcuts.")
@@ -62,10 +68,13 @@
         script = self.sender().script
         if script:
             try:
-                spec = importlib.util.spec_from_file_location("users_script", script)
-                users_module = importlib.util.module_from_spec(spec)
-                spec.loader.exec_module(users_module)
-                
+                if sys.version_info[0] > 2:
+                    spec = importlib.util.spec_from_file_location("users_script", script)
+                    users_module = importlib.util.module_from_spec(spec)
+                    spec.loader.exec_module(users_module)
+                else:
+                    users_module = imp.load_source("users_script", script)
+
                 if hasattr(users_module, 'main') and callable(users_module.main):
                     users_module.main()
 
diff --git a/plugins/python/tenscripts/uitenscripts.py b/plugins/python/tenscripts/uitenscripts.py
--- a/plugins/python/tenscripts/uitenscripts.py
+++ b/plugins/python/tenscripts/uitenscripts.py
@@ -13,7 +13,7 @@
 from PyQt5.QtWidgets import (QWidget, QVBoxLayout, QHBoxLayout, QPushButton,
                              QLineEdit, QScrollArea, QGridLayout, QFileDialog,
                              QLabel, QDialogButtonBox)
-from tenscripts import tenscriptsdialog
+from . import tenscriptsdialog
 import krita
 
 
@@ -27,7 +27,7 @@
         self.layout = QVBoxLayout(self.mainDialog)
         self.baseWidget = QWidget()
         self.baseArea = QWidget()
-        self.scrollArea =  QScrollArea()
+        self.scrollArea = QScrollArea()
         self.scriptsLayout = QGridLayout()
 
         self.buttonBox.accepted.connect(self.mainDialog.accept)
@@ -86,7 +86,7 @@
         dialog = QFileDialog(self.mainDialog)
         dialog.setNameFilter('Python files (*.py)')
 
-        if dialog.exec():
+        if dialog.exec_():
             selectedFile = dialog.selectedFiles()[0]
             obj = self.mainDialog.sender()
             textField = self.scriptsLayout.itemAt(self.scriptsLayout.indexOf(obj)-1).widget()