Readd zip name generation

tests/test_zip.py

@@ -0,0 +1,49 @@
+import zipfile
+import shutil
+import os
+import glob
+
+def create_zip_of_scan(folder_path):
+    """Generate a zip file that can be downloaded, with all the scan files in it."""
+    
+    print("Creating zip archive of images (may take some time)...")
+    zip_fname = f'{folder_path}.zip'
+    
+    if not os.path.isfile(zip_fname):
+        shutil.make_archive(
+            folder_path,
+            "zip",
+            folder_path,
+            "images/"
+        )
+    
+    current_zip = get_files_in_zip(zip_fname)
+
+    files = glob.glob(folder_path + '/**/*', recursive=True)
+    files = [i.split(f'{folder_path}\\')[1] for i in files]
+
+    with zipfile.ZipFile(zip_fname, mode="a") as zip:
+        for file in files:
+            if file not in current_zip and ".zip" not in file:
+                print(f'appending {file} to zip')
+                zip.write(os.path.join(folder_path, file), arcname=file)
+            else:
+                print(f'{file} is already in zip')
+
+    images_folder = os.path.join(folder_path, 'images')
+    # Promote key files to the top level of the zip
+    
+    for fname in ["stitched_from_stage.jpg", "stitched.jpg"]:
+        fpath = os.path.join(images_folder, fname)
+        if os.path.exists(fpath):
+            print(f'copying {fpath} to upper level')
+            zip.write(fpath, arcname=fname)
+
+def get_files_in_zip(zip_path):
+
+    zip = zipfile.ZipFile(zip_path)
+    zip = [os.path.normpath(i) for i in zip.namelist()]
+    # list available files in the container, relative to the base
+    return zip
+
+create_zip_of_scan(r"G:\stitching_tests\zip_test")