add docstrings to remaining files, delete unneeded __main__ and fix up small comments/code formatting in app/process

phototag/__main__.py

@@ -1,20 +0,0 @@
-import sys
-import os
-import logging
-
-from .app import main
-from . import INPUT_PATH, OUTPUT_PATH
-
-# Ensure that 'input' and 'output' directories are created
-# if not os.path.exists(INPUT_PATH):
-#     logging.fatal('Input directory did not exist, creating and quitting.')
-#     os.makedirs(INPUT_PATH)
-
-# if not os.path.exists(OUTPUT_PATH):
-#     logging.info('Output directory did not exist. Creating...')
-#     os.makedirs(OUTPUT_PATH)
-
-log = logging.getLogger("main")
-
-if __name__ == "__main__":
-    main()

phototag/app.py

@@ -1,3 +1,9 @@
+"""
+app.py
+
+Main app function file for running the program, delegating the tagging operations to different threads.
+"""
+
 import logging
 import os
 from threading import Thread

phototag/process.py

@@ -1,3 +1,9 @@
+"""
+process.py
+
+Holds the FileProcessor object, used for working with images in order to label and edit/tag their metadata.
+"""
+
 import io
 import logging
 import os
@@ -120,6 +126,7 @@ class FileProcessor(object):
                 info = iptcinfo3.IPTCInfo(os.path.join(INPUT_PATH, self.file_name))
                 info["keywords"].extend(labels)
                 info.save()
+
                 # Remove the weird ghost file created by this iptc read/writer.
                 os.remove(os.path.join(INPUT_PATH, self.file_name + "~"))
 

phototag/xmp.py

@@ -1,3 +1,9 @@
+"""
+xmp.py
+
+Holds a helper class for working with .xmp files and adding keywords to the file.
+"""
+
 import xml.etree.ElementTree as ET
 
 # Constant Namespace Types