getKeyNamesForCollection.py

import json
import requests
import secret
import time

secretVersion = input('To edit production server, enter the name of the secret file: ')
if secretVersion != '':
    try:
        secret = __import__(secretVersion)
        print('Using Production')
    except ImportError:
        print('Using Stage')
else:
    print('Using Stage')

baseURL = secret.baseURL
email = secret.email
password = secret.password
filePath = secret.filePath

collectionHandle = input('enter collection handle please: ')

startTime = time.time()
data = json.dumps({'email': email, 'password': password})
header = {'content-type': 'application/json', 'accept': 'application/json'}
session = requests.post(baseURL+'/rest/login', headers=header, data=data).content
headerAuth = {'content-type': 'application/json', 'accept': 'application/json', 'rest-dspace-token': session}
print('authenticated')


itemList = []
endpoint = baseURL+'/rest/handle/'+collectionHandle
collection = requests.get(endpoint, headers=headerAuth).json()
collectionID = collection['uuid']
print(collectionID)
offset = 0
items = ''
while items != []:
    items = requests.get(baseURL+'/rest/collections/'+str(collectionID)+'/items?limit=200&offset='+str(offset), headers=headerAuth)
    while items.status_code != 200:
        time.sleep(5)
        items = requests.get(baseURL+'/rest/collections/'+str(collectionID)+'/items?limit=200&offset='+str(offset), headers=headerAuth)
    items = items.json()
    for k in range(0, len(items)):
        itemID = items[k]['uuid']
        itemList.append(itemID)
    offset = offset + 200
    print(offset)
elapsedTime = time.time() - startTime
m, s = divmod(elapsedTime, 60)
h, m = divmod(m, 60)
print('Item list creation time: ', '%d:%02d:%02d' % (h, m, s))

dcElements = []
for number, itemID in enumerate(itemList):
    itemsRemaining = len(itemList) - number
    metadata = requests.get(baseURL+'/rest/items/'+str(itemID)+'/metadata', headers=headerAuth).json()
    for l in range(0, len(metadata)):
        keys = metadata[l]['key']
        keys = str(keys)
        if keys in dcElements:
            pass
        if keys not in dcElements:
            dcElements.append(keys)
print(len(dcElements))
print("\'] + [\'".join(dcElements))
print((dcElements))