zipfile program

backupToZip.py

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+#! /usr/bin/env python3
+usage = "backupToZip: usage backupToZip [directory] backup given directory to a zip file, incrementing filename if name already exists"
+
+import zipfile, os, sys
+
+if len(sys.argv)<1:
+    print(usage)
+    sys.exit()
+
+dir = os.path.realpath(sys.argv[1])
+
+#figure out filename based on what already exists.
+number = 1
+while True:
+    zipFilename = os.path.basename(dir)+'-'+str(number)+'.zip'
+    if not os.path.exists(zipFilename):
+        break
+    number += 1
+
+print(F'Creating {zipFilename}')
+backupZip = zipfile.ZipFile(zipFilename, 'w')
+
+for dirName, subDirList, fileList in os.walk(dir):
+    #print(f'Adding files in {dirName}')
+    backupZip.write(dirName)
+
+    for fileName in fileList:
+        #lets not backup other backup files.
+        newBase = os.path.basename(dir)+'-'
+        if fileName.startswith(newBase) and fileName.endswith('.zip'):
+            print(f'skipping {fileName}, is backup file.')
+            continue
+        print(f'adding {fileName}')
+        backupZip.write(os.path.join(dirName, fileName))
+backupZip.close()
+print('done')