adding imagelist descriptor skeleton

image_list.py

@@ -9,6 +9,7 @@ import hashlib
 from argparse import ArgumentParser 
 
 SQLFILE='list_of_images.sqlite'
+DESCFILE='descriptions.csv'
 IMGMATCH=re.compile('.*\.jpg$|.*\.jpeg$|.*\.png$|.*\.gif$',re.I)
 BADDIRS=['_tn','_med']
 MINSIZE=0
@@ -73,6 +74,9 @@ def createdb(sqlfile):
                width INTEGER,height INTEGER,size INTEGER,\
                fingerprint TEXT,sharpness NUMERIC,\
                R REAL,G REAL, B REAL, BR REAL, BG REAL, BB REAL)')
+    db.execute('CREATE TABLE descriptions (\
+               file PRIMARY KEY TEXT,path TEXT, hash TEXT,\
+               description TEXT)')
     conn.commit() 
     return
 
@@ -692,6 +696,23 @@ def humanize_size(size,precision=1):
         defPrecision=precision
     return "%.*f%s"%(defPrecision,size,suffixes[suffixIndex])
 
+def import_descriptions(options):
+    """ Walk through the path from given [startpath] and read 
+    any DESCFILE, importing the contents in the DB """
+    pass
+
+def export_descriptions(options):
+    """ Get unique paths from DB, matching [startpath], write
+    DESCFILE for each file found. Export gets a format argument:
+     %wx%h %n %d """
+     # width, height, basename, description
+     #%R%G%B %S %F %D
+     # Red Green Blue Sharpness Fingerprint Date(formatting?)
+     # %s %H
+     # filesize Hash
+    pass
+
+
 def main():
     options=setup_options();
     if not os.path.exists(options.sqlfile):