diff -r 31e63e25b4cc -r 64beb9e9c749 py_ext/PythonFileCTNMixin.py
--- a/py_ext/PythonFileCTNMixin.py	Mon Aug 21 20:17:19 2017 +0000
+++ b/py_ext/PythonFileCTNMixin.py	Mon Aug 21 23:22:58 2017 +0300
@@ -23,7 +23,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-import os, re
+import os
+import re
 from lxml import etree
 import util.paths as paths
 
@@ -32,6 +33,7 @@
 from CodeFileTreeNode import CodeFile
 from PythonEditor import PythonEditor
 
+
 class PythonFileCTNMixin(CodeFile):
 
     CODEFILE_NAME = "PyFile"
@@ -59,8 +61,8 @@
                 'xmlns="http://www.w3.org/2001/XMLSchema"',
                 'xmlns:xhtml="http://www.w3.org/1999/xhtml"')
             for cre, repl in [
-                (re.compile("(?<!<xhtml:p>)(?:<!\[CDATA\[)"), "<xhtml:p><![CDATA["),
-                (re.compile("(?:]]>)(?!</xhtml:p>)"), "]]></xhtml:p>")]:
+                    (re.compile("(?<!<xhtml:p>)(?:<!\[CDATA\[)"), "<xhtml:p><![CDATA["),
+                    (re.compile("(?:]]>)(?!</xhtml:p>)"), "]]></xhtml:p>")]:
                 pythonfile_xml = cre.sub(repl, pythonfile_xml)
 
             try:
@@ -85,34 +87,36 @@
 
     PreSectionsTexts = {}
     PostSectionsTexts = {}
-    def GetSection(self,section):
-        return self.PreSectionsTexts.get(section,"") + "\n" + \
+
+    def GetSection(self, section):
+        return self.PreSectionsTexts.get(section, "") + "\n" + \
                getattr(self.CodeFile, section).getanyText() + "\n" + \
-               self.PostSectionsTexts.get(section,"")
+               self.PostSectionsTexts.get(section, "")
 
     def CTNGenerate_C(self, buildpath, locations):
         # location string for that CTN
-        location_str = "_".join(map(lambda x:str(x),
+        location_str = "_".join(map(lambda x: str(x),
                                 self.GetCurrentLocation()))
         configname = self.GetCTRoot().GetProjectConfigNames()[0]
 
         pyextname = self.CTNName()
-        varinfos = map(lambda variable : {
-                    "name": variable.getname(),
-                    "desc" : repr(variable.getdesc()),
-                    "onchangecode" : '"'+variable.getonchange()+\
-                                         "('"+variable.getname()+"')\"" \
-                                     if variable.getonchange() else '""',
-                    "onchange" : repr(variable.getonchange()) \
-                                 if variable.getonchange() else None,
-                    "opts" : repr(variable.getopts()),
-                    "configname" : configname.upper(),
-                    "uppername" : variable.getname().upper(),
-                    "IECtype" : variable.gettype(),
-                    "pyextname" :pyextname},
-                    self.CodeFile.variables.variable)
+        varinfos = map(lambda variable: {
+            "name": variable.getname(),
+            "desc": repr(variable.getdesc()),
+            "onchangecode": '"' + variable.getonchange() +
+            "('" + variable.getname() + "')\""
+            if variable.getonchange() else '""',
+            "onchange": repr(variable.getonchange())
+            if variable.getonchange() else None,
+            "opts": repr(variable.getopts()),
+            "configname": configname.upper(),
+            "uppername": variable.getname().upper(),
+            "IECtype": variable.gettype(),
+            "pyextname": pyextname},
+                       self.CodeFile.variables.variable)
         # python side PLC global variables access stub
-        globalstubs = "\n".join(["""\
+        globalstubs = "\n".join([
+            """\
 _%(name)s_ctype, _%(name)s_unpack, _%(name)s_pack = \\
     TypeTranslator["%(IECtype)s"]
 _PySafeGetPLCGlob_%(name)s = PLCBinary.__SafeGetPLCGlob_%(name)s
@@ -127,8 +131,7 @@
     %(desc)s,
     %(onchange)s,
     %(opts)s))
-""" % varinfo
-      for varinfo in varinfos])
+""" % varinfo for varinfo in varinfos])
 
         # Runtime calls (start, stop, init, and cleanup)
         rtcalls = ""
@@ -170,7 +173,7 @@
 
         # write generated content to python file
         runtimefile_path = os.path.join(buildpath,
-            "runtime_%s.py"%location_str)
+                                        "runtime_%s.py" % location_str)
         runtimefile = open(runtimefile_path, 'w')
         runtimefile.write(PyFileContent.encode('utf-8'))
         runtimefile.close()
@@ -234,14 +237,14 @@
     __SET_VAR(__%(name)s_notifier->,CODE,,__STRING_LITERAL(%(onchangelen)d,%(onchangecode)s));
 """
         vardec = "\n".join([(vardecfmt + vardeconchangefmt
-                             if varinfo["onchange"] else vardecfmt)% varinfo
+                             if varinfo["onchange"] else vardecfmt) % varinfo
                             for varinfo in varinfos])
         varret = "\n".join([varretfmt % varinfo for varinfo in varinfos])
         varpub = "\n".join([(varpubonchangefmt if varinfo["onchange"] else
                              varpubfmt) % varinfo
                             for varinfo in varinfos])
         varinit = "\n".join([varinitonchangefmt % dict(
-                                onchangelen = len(varinfo["onchangecode"]),**varinfo)
+                                onchangelen=len(varinfo["onchangecode"]), **varinfo)
                             for varinfo in varinfos if varinfo["onchange"]])
 
         # TODO : use config name obtained from model instead of default
@@ -278,16 +281,15 @@
 }
 """ % locals()
 
-        Gen_PyCfile_path = os.path.join(buildpath, "PyCFile_%s.c"%location_str)
-        pycfile = open(Gen_PyCfile_path,'w')
+        Gen_PyCfile_path = os.path.join(buildpath, "PyCFile_%s.c" % location_str)
+        pycfile = open(Gen_PyCfile_path, 'w')
         pycfile.write(PyCFileContent)
         pycfile.close()
 
-        matiec_CFLAGS = '"-I%s"'%os.path.abspath(
+        matiec_CFLAGS = '"-I%s"' % os.path.abspath(
             self.GetCTRoot().GetIECLibPath())
 
         return ([(Gen_PyCfile_path, matiec_CFLAGS)],
                 "",
                 True,
-                ("runtime_%s.py"%location_str, file(runtimefile_path,"rb")))
-
+                ("runtime_%s.py" % location_str, file(runtimefile_path, "rb")))