Gui: fix some lint warnings

src/Ext/freecad/project_utility.py

@@ -6,7 +6,7 @@ __url__ = "http://www.freecadweb.org"
 __doc__ = "Tools for extracting or creating project files"
 
 
-import os,sys,string
+import os
 import xml.sax
 import xml.sax.handler
 import xml.sax.xmlreader
@@ -14,58 +14,64 @@ import zipfile
 
 # SAX handler to parse the Document.xml
 class DocumentHandler(xml.sax.handler.ContentHandler):
+    """ Parse content of Document.xml or GuiDocument.xml """
     def __init__(self, dirname):
+        """ Init parser """
+        super().__init__()
         self.files = []
         self.dirname = dirname
 
-    def startElement(self, name, attributes):
-        item=attributes.get("file")
-        if item != None:
-            self.files.append(os.path.join(self.dirname,str(item)))
+    def startElement(self, name, attrs):
+        item = attrs.get("file")
+        if item is not None:
+            self.files.append(os.path.join(self.dirname, str(item)))
 
-    def characters(self, data):
+    def characters(self, content):
         return
 
     def endElement(self, name):
         return
 
 def extractDocument(filename, outpath):
-    zfile=zipfile.ZipFile(filename)
-    files=zfile.namelist()
+    """ Extract files from project archive """
+    zfile = zipfile.ZipFile(filename)
+    files = zfile.namelist()
 
     for i in files:
-        data=zfile.read(i)
-        dirs=i.split("/")
+        data = zfile.read(i)
+        dirs = i.split("/")
         if len(dirs) > 1:
             dirs.pop()
-            curpath=outpath
+            curpath = outpath
             for j in dirs:
-                curpath=curpath+"/"+j
+                curpath = curpath + "/" + j
                 os.mkdir(curpath)
-        output=open(outpath+"/"+i,'wb')
+        output = open(outpath + "/"+i, 'wb')
         output.write(data)
         output.close()
 
 def createDocument(filename, outpath):
-    files=getFilesList(filename)
-    dirname=os.path.dirname(filename)
-    guixml=os.path.join(dirname,"GuiDocument.xml")
+    """ Create project archive """
+    files = getFilesList(filename)
+    dirname = os.path.dirname(filename)
+    guixml = os.path.join(dirname, "GuiDocument.xml")
     if os.path.exists(guixml):
         files.extend(getFilesList(guixml))
-    compress=zipfile.ZipFile(outpath,'w',zipfile.ZIP_DEFLATED)
+    compress = zipfile.ZipFile(outpath, 'w', zipfile.ZIP_DEFLATED)
     for i in files:
-        dirs=os.path.split(i)
-        compress.write(i,dirs[-1],zipfile.ZIP_DEFLATED)
+        dirs = os.path.split(i)
+        compress.write(i, dirs[-1], zipfile.ZIP_DEFLATED)
     compress.close()
 
 def getFilesList(filename):
-    dirname=os.path.dirname(filename)
-    handler=DocumentHandler(dirname)
-    parser=xml.sax.make_parser()
+    """ Determine list of files referenced in a Document.xml or GuiDocument.xml """
+    dirname = os.path.dirname(filename)
+    handler = DocumentHandler(dirname)
+    parser = xml.sax.make_parser()
     parser.setContentHandler(handler)
     parser.parse(filename)
 
-    files=[]
+    files = []
     files.append(filename)
     files.extend(iter(handler.files))
     return files

src/Gui/DlgProjectUtility.cpp

@@ -115,8 +115,9 @@ void DlgProjectUtility::tryCreateArchive(const QString& source, const QString& t
         str << "project_utility.createDocument(\"" << (const char*)source.toUtf8()
             << "\", \"" << (const char*)target.toUtf8() << "\")";
         Gui::Command::runCommand(Gui::Command::App, str.str().c_str());
-        if (openFile)
+        if (openFile) {
             Application::Instance->open((const char*)target.toUtf8(),"FreeCAD");
+        }
     }
     catch (const Base::Exception& e) {
         QMessageBox::critical(this, tr("Failed to create project"), QString::fromLatin1(e.what()));