used file counter for file names, one method to be called after images have been copied

jpgSorter.py

@@ -1,9 +1,10 @@
 import os.path
 import exifread
-import time
+from time import localtime, strftime, strptime, mktime
 import shutil
 
 minEventDelta = 60 * 60 * 24 * 4 # 4 days in seconds
+unknownDateFolderName = "Datum unbekannt"
 
 def getMinimumCreationTime(exif_data):
     creationTime = None
@@ -27,22 +28,27 @@ def getMinimumCreationTime(exif_data):
 
     return creationTime
 
-def postprocessImage(images, sourceDir, imageDirectory, fileName):
-    imagePath = os.path.join(sourceDir, fileName)
+def postprocessImage(images, imageDirectory, fileName):
+    imagePath = os.path.join(imageDirectory, fileName)
     image = open(imagePath, 'rb')
+    creationTime = None
     try: 
         exifTags = exifread.process_file(image, details=False)
+        creationTime = getMinimumCreationTime(exifTags)
     except:
         print("invalid exif tags for " + fileName)
-    creationTime = getMinimumCreationTime(exifTags)
 
     # distinct different time types
     if creationTime is None:
-        creationTime = time.gmtime(os.path.getctime(imagePath))
+        creationTime = localtime(os.path.getctime(imagePath))
     else:
-        creationTime = time.strptime(str(creationTime), "%Y:%m:%d %H:%M:%S")
+        try:
+            creationTime = strptime(str(creationTime), "%Y:%m:%d %H:%M:%S")
+        except:
+            creationTime = localtime(os.path.getctime(imagePath))
 
-    images.append((time.mktime(creationTime), imagePath))
+    images.append((mktime(creationTime), imagePath))
+    image.close()
 
 
 def createNewFolder(destinationRoot, year, eventNumber):
@@ -53,21 +59,47 @@ def createNewFolder(destinationRoot, year, eventNumber):
     if not os.path.exists(eventPath):
         os.mkdir(eventPath)
 
+def createUnknownDateFolder(destinationRoot):
+    path = os.path.join(destinationRoot, unknownDateFolderName)
+    if not os.path.exists(path):
+        os.mkdir(path)
+
 
 def writeImages(images, destinationRoot):
     sortedImages = sorted(images)
     previousTime = None
     eventNumber = 0
+    today = strftime("%d/%m/%Y")
 
     for imageTuple in sortedImages:
-        t = time.gmtime(imageTuple[0])
-        year = time.strftime("%Y", t)
-        if (previousTime == None) or ((previousTime + minEventDelta) < imageTuple[0]):
+        t = localtime(imageTuple[0])
+        year = strftime("%Y", t)
+        creationDate = strftime("%d/%m/%Y", t)
+        if(creationDate == today):
+            createUnknownDateFolder(destinationRoot)
+            destination = os.path.join(destinationRoot, unknownDateFolderName)
+            shutil.move(imageTuple[1], destination)
+        else:
+            if (previousTime == None) or ((previousTime + minEventDelta) < imageTuple[0]):
+                previousTime = imageTuple[0]
+                eventNumber = eventNumber + 1
+                createNewFolder(destinationRoot, year, eventNumber)
+            
             previousTime = imageTuple[0]
-            eventNumber = eventNumber + 1
-            createNewFolder(destinationRoot, year, eventNumber)
-        
-        previousTime = imageTuple[0]
 
-        destination = os.path.join(destinationRoot, year, str(eventNumber))
-        shutil.copy(imageTuple[1], destination)
+            destination = os.path.join(destinationRoot, year, str(eventNumber))
+            # it may be possible that an event covers 2 years. 
+            # in such a case put all the images to the even in the old year
+            if not (os.path.exists(destination)):
+                destination = os.path.join(destinationRoot, year-1, str(eventNumber))
+
+            shutil.move(imageTuple[1], destination)
+
+
+def postprocessImages(imageDirectory):
+    images = []
+    for root, dirs, files in os.walk(imageDirectory):
+        for file in files:
+            postprocessImage(images, imageDirectory, file)
+
+    writeImages(images, imageDirectory)