Initial commit

.gitignore

+config.ini
+/images
+/images/*

alma_digital_representation.py

+# author: wieg
+# 21.01.2021
+
+# Script for testing the Alma Bib api
+# Fetches 2 bib records, cleans the contained xml string 
+# and prints the resulting json to the file jsResponse_noXml.json
+# Without the xml cleaning, the result would look like the Content
+# of jsResponse.json
+
+import requests
+import json
+import configparser
+from pathlib import Path
+
+PROJECT_DIRECTORY_PATH = Path(__file__).resolve().parent
+CONFIG_FILE_NAME = "config.ini"
+CONFIG_FILE_PATH = PROJECT_DIRECTORY_PATH.joinpath(CONFIG_FILE_NAME)
+config = configparser.ConfigParser()
+config.read(CONFIG_FILE_PATH)
+
+ALMA_API_HOST = "https://api-eu.hosted.exlibrisgroup.com"
+ALMA_API_KEY = config["API"]["apikey"]
+ALMA_API_BIBS = ALMA_API_HOST + "/almaws/v1/bibs/"
+
+HEADERS = {
+    "Accept": "application/json",
+    "Content-Type": "application/json",
+    "Authorization": "apikey {apikey}".format(apikey=ALMA_API_KEY)
+}
+
+# List of MMS IDs for which we want the digital representations
+mms_list = ["990104431070205508", "990106380350205508"]
+
+# Initialize dictionary to store the retrieved representation IDs 
+# and file IDs with their respective MMS ID
+# { mms_id : [ representation_id, file_id ], mms_id : [ representation_id, file_id ] }
+rep_id_dict = {}
+
+# Send one GET request per MMS ID
+for mms in mms_list:
+    try:
+        requesturl_rep = ALMA_API_BIBS + "{mms_id}/representations".format(mms_id=mms)
+        print("Request URL is", requesturl_rep)
+        response_rep = requests.get(requesturl_rep, headers=HEADERS)
+    except Exception as e:
+        print(e)
+
+    # Process the response
+    # Retrieve representation ID
+    try:
+        # Deserialize json string to a python dict
+        response_rep_dict = json.loads(response_rep.text)
+        rep_id = response_rep_dict['representation'][0]['id']
+        # Add representation ID to previously created dictionary
+        # Each MMMS ID key has a list as value
+        # The list will be filled with two items: representation ID and file ID
+        rep_id_dict[mms] = []
+        rep_id_dict[mms].append(rep_id)
+        print("Representation ID is", rep_id_dict[mms][0])
+    except Exception as e:
+        print(e)
+
+    # Make another request to the representation files API to retrieve file ID
+    try:
+        requesturl_file = ALMA_API_BIBS + "{mms_id}/representations/{rep_id}/files".format(mms_id=mms, rep_id=rep_id)
+        print("URL for the files API request:", requesturl_file)
+        response_file = requests.get(requesturl_file, headers=HEADERS)
+        print("Status code:", response_file.status_code)
+        print(response_file.text)
+    except Exception as e:
+        print(e)
+
+    # Process the response
+    # Retrieve file ID
+    try:
+        # Deserialize json string to a python dict
+        response_file_dict = json.loads(response_file.text)
+        file_id = response_file_dict['representation_file'][0]['pid']
+        # Add file ID to previously created dictionary
+        # Add file ID as second item to the list corresponding to the MMS key
+        rep_id_dict[mms].append(file_id)
+        print("File ID is", rep_id_dict[mms][1])
+    except Exception as e:
+        print(e)
+
+# Make one GET request to the files API per key in rep_id_dict
+for key in rep_id_dict.keys():
+    try:
+        # Make the request
+        requesturl_img = 'https://slsp-uzb.alma.exlibrisgroup.com/view/delivery/41SLSP_UZB/{rep_id}/{file_id}'.format(rep_id=rep_id_dict[key][0], file_id=rep_id_dict[key][1])
+        params = {"MMSID": key, "RepresentationID": rep_id_dict[key]}
+        # print("Params are:", params)
+        with requests.get(requesturl_img, params=params, headers=HEADERS, stream=True) as response_img:
+            # Process the response
+            print("Status code:", response_img.status_code)
+            with open('images/{mms}.jpg'.format(mms=key), mode='wb') as imagefile:
+                imagefile.write(response_img.content)
+
+    except Exception as e:
+        print(e)
+
+# Get file out of Alma
+# https://slsp-uzb.alma.exlibrisgroup.com//view/delivery/REPRESENTATION_ID/FILE_ID
\ No newline at end of file

configExample.ini

+[API]
+apikey = myapikey
\ No newline at end of file