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POendless loop when tkinter is used
 

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    <p>I had a script which worked fine till I added a file query box for user interactivity. It keeps repeating the question and only quits if the following command (shutil.copy2) is forced to crash by making the in/output files the same. Why?</p> <pre><code>import os, xml, arcpy, shutil, datetime, Tkinter,tkFileDialog from xml.etree import ElementTree as et path=os.getcwd() RootDirectory=path arcpy.env.workspace = path Count=0 Generated_XMLs=RootDirectory+'\GeneratedXML_LOG.txt' f = open(Generated_XMLs, 'a') f.write("Log of Metadata Creation Process - Update: "+str(datetime.datetime.now())+"\n") f.close() for root, dirs, files in os.walk(RootDirectory, topdown=False): #print root, dirs for directory in dirs: currentPath=os.path.join(root,directory) os.chdir(currentPath) arcpy.env.workspace = currentPath print currentPath #def Create_xml(currentPath): FileList = arcpy.ListFeatureClasses() zone="_Zone" for File in FileList: Count+=1 FileDesc_obj = arcpy.Describe(File) FileNm=FileDesc_obj.file print FileNm check_meta=os.listdir(currentPath) existingXML=FileNm[:FileNm.find('.')] existingExtension=FileNm[FileNm.find('.'):] print "XML: "+existingXML print check_meta #if existingXML+'.xml' in check_meta: for f in check_meta: if f.startswith(existingXML) and f.endswith('.xml'): print "exists, file name:", f newMetaFile=FileNm+"_2012Metadata.xml" shutil.copy2(f, newMetaFile) </code></pre> <p>Code which causes the loop</p> <pre><code> else: #print "Does not exist" newMetaFile=FileNm+"_BaseMetadata.xml" root = Tkinter.Tk() file = tkFileDialog.askopenfile(parent=root,mode='rb',title='Choose a xml base file to match with: '+File) if file != None: metafile=os.path.abspath(file.name) file.close() print metafile shutil.copy2(metafile,newMetaFile) print "copied" else: shutil.copy2('L:\Data_Admin\QA\Metadata_python_toolset\Master_Metadata.xml', newMetaFile) tree=et.parse(newMetaFile) print "Processing: "+str(File) </code></pre> <p>Rest of working code</p> <pre><code> for node in tree.findall('.//title'): node.text = str(FileNm) for node in tree.findall('.//northbc'): node.text = str(FileDesc_obj.extent.YMax) for node in tree.findall('.//southbc'): node.text = str(FileDesc_obj.extent.YMin) for node in tree.findall('.//westbc'): node.text = str(FileDesc_obj.extent.XMin) for node in tree.findall('.//eastbc'): node.text = str(FileDesc_obj.extent.XMax) for node in tree.findall('.//native/nondig/formname'): node.text = str(os.getcwd()+"\\"+File) for node in tree.findall('.//native/digform/formname'): node.text = str(FileDesc_obj.featureType) for node in tree.findall('.//avlform/nondig/formname'): node.text = str(FileDesc_obj.extension) for node in tree.findall('.//avlform/digform/formname'): node.text = str(float(os.path.getsize(File))/int(1024))+" KB" for node in tree.findall('.//theme'): node.text = str(FileDesc_obj.spatialReference.name +" ; EPSG: "+str(FileDesc_obj.spatialReference.factoryCode)) print node.text projection_info=[] Zone=FileDesc_obj.spatialReference.name if "GCS" in str(FileDesc_obj.spatialReference.name): projection_info=[FileDesc_obj.spatialReference.GCSName, FileDesc_obj.spatialReference.angularUnitName, FileDesc_obj.spatialReference.datumName, FileDesc_obj.spatialReference.spheroidName] print "Geographic Coordinate system" else: projection_info=[FileDesc_obj.spatialReference.datumName, FileDesc_obj.spatialReference.spheroidName, FileDesc_obj.spatialReference.angularUnitName, Zone[Zone.rfind(zone)-3:]] print "Projected Coordinate system" x=0 for node in tree.findall('.//spdom'): for node2 in node.findall('.//keyword'): print node2.text node2.text = str(projection_info[x]) print node2.text x=x+1 tree.write(newMetaFile) f = open(Generated_XMLs, 'a') f.write(str(Count)+": "+File+"; "+newMetaFile+"; "+currentPath+"\n") f.close() # Create_xml(currentPath) </code></pre>
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