Getting started

.gitignore

@@ -0,0 +1 @@
+Pipfile*

README.md

@@ -1,3 +1,3 @@
 # EXIF2txt
 
-Write EXIF metadata to text file,.
+Write EXIF metadata to text file.

exif2txt.py

@@ -1,4 +1,8 @@
 # Write EXIF metadata to text file for pelican.photos plugin.
+# The original version of this was 100% hard coded script, this version takes arguments to allow you to do more with it as a single install.
+# The original is here - https://gist.github.com/Jeffmackinnon/92c747b30a873129a28cddacfc61fbe1
+
+import argparse # The library that will parse the arguments.
 
 #import os
 from os import listdir
@@ -11,6 +15,33 @@ from PIL.ExifTags import TAGS
 from fraction import Fraction
 
 
+# Parser
+parser = argparse.ArguemntParser(   prog='exif2txt',
+                                    usage='%(prog)s [options] path',
+                                    allow_abbrev=False,
+                                    description='Write EXIF metadata to text file.',
+                                    epilog='it\'s my first public CLI python script, please be kind.',
+                                )
+
+parser.add_argument('Path',
+                    metavar='path',
+                    type=str,
+                    help='top level path for with the images'
+                    )
+#
+# Need to add the parser for what information we want to add for each
+#           
+
+
+# Execute parse_args()
+args = parser.parse_args()
+input_path = args.Path
+
+# Test to make sure that the Path given is valid.
+if not os.path.isdir(input_path):
+    print('The path specified does not exist')
+    sys.exit()
+
 # The first two functions are borrowed from github user @jpstroop
 # https://gist.github.com/jpstroop/58a21d02370c8ba34dc8f0fdd4206d70
 
@@ -32,10 +63,18 @@ def get_exif(image_path):
     except AttributeError:
         return None
 
+# This is from J0el - https://gist.github.com/Jeffmackinnon/92c747b30a873129a28cddacfc61fbe1?permalink_comment_id=4185193#gistcomment-4185193
+
+def exposure(ExposureTime):
+    try:
+        return( str(Fraction('ExposureTime')))
+    except:
+        return('None')
+
 #Creates a text file with some exif meta data.
 def write_exif_file(directory):
     # Open the exif.txt file, create if it doesn't exist, in the current folder.
-    txt = open(directory+'/exif.txt', 'w')
+    txt = open(directory +'/exif.txt', 'w')
 
     for file in os.listdir(directory):
 
@@ -48,7 +87,7 @@ def write_exif_file(directory):
                 os.path.join(file) + ': ' + 
                 str(image.get('Model')) + 
                 ' with a ' + str(image.get('LensModel')) + 
-                ' - ' + str(image.get('ExposureTime')) + 's, ' + # I want to change this to fractions, but it works for now.
+                ' - ' + str(image.get(exposure(ExposureTime))) + 's, ' + # I want to change this to fractions, but it works for now.
                 'f/' + str(image.get('FNumber')) + 
                 ' at ISO-' +  str(image.get('ISOSpeedRatings')) + 
                 '\n'
@@ -58,20 +97,8 @@ def write_exif_file(directory):
     txt.close()
     return None
 
-# The directory of the source photos, the same as PHOTO_LIBRARY in pelicanconf.py
-# I run this in a WSL instance, but pelican is run on the host windows machine, hence the sample directory
-dir = '/mnt/c/Users/jeff/Pictures' 
-
 # This walks through the directories and for each it calls the write exif file function
-for root, subdirectories, files in os.walk(dir):
+for root, subdirectories, files in os.walk(input_path):
     for subdirectory in subdirectories:
        print(os.path.join(root, subdirectory))
        write_exif_file(os.path.join(root, subdirectory))
-
-# This is from J0el - https://gist.github.com/Jeffmackinnon/92c747b30a873129a28cddacfc61fbe1?permalink_comment_id=4185193#gistcomment-4185193
-
-def exposure(ExposureTime):
-    try:
-    return( str(Fraction('ExposureTime')))
-    except:
-    return('None')