Sample CONTENTdm Catcher upload script. Uses Catcher class from: https://gist.github.com/saverkamp/9197945

CatcherUploadExample.csv

sampleCatcher.py

#!/usr/bin/python

# sampleCatcher.py
# Updates existing metadata records with CONTENTdm Catcher protocol. (Documentation at: 
# http://contentdm.org/help6/addons/catcher.asp). 
# ***requires SUDS, a third-party SOAP python client: https://fedorahosted.org/suds/***
#
# Given a CSV file with a minimum of four fields: Alias, CDM_id, CDM_field, and Value, this script updates
# one value per row and returns a csv log of transcactions. For file input, currently set to iterate
# through the current directory and process any csv files beginning with "CatcherUpload". Input and 
# transaction files are output to "Completed" directory with timestamp.
#
# Author: Shawn Averkamp
# Last modified: 2014-02-24 

from suds.client import Client
import datetime
import csv
import os
import fnmatch

# set variables for SOAP connection--requires config.ini file

user = 'yourcdmusernamehere'
password = 'yourcdmpasswordhere'
license = 'yourcdmlicensehere'
base = 'yourbaseurl'
port = 'yourportnumberhere'
url = base + ":" + port

class Catcher(object):
    """A CONTENTdm Catcher session."""
    def __init__(self, url=url, user=user, password=password, license=license):
        self.transactions = []
        self.client = Client('https://worldcat.org/webservices/contentdm/catcher/6.0/CatcherService.wsdl')
        self.url = url
        self.user = user
        self.password = password
        self.license = license
     
    def processCONTENTdm(self, action, user, password, license, alias, metadata):
    # function to connect to CatcherServices and process metadata updates
        transaction = self.client.service.processCONTENTdm(action, url, user, password, license, alias, metadata)
        self.transactions.append(transaction)
     
    def edit(self, alias, recordid, field, value):
    #function to edit metadata--call packageMetadata and processCONTENTdm
        metadata = self.packageMetadata('edit', recordid, field, value)
        self.processCONTENTdm('edit', self.user, self.password, self.license, alias, metadata)
     
    def packageMetadata(self, action, recordid, field, value):
    #function to package metadata in metadata wrapper
        action = action
        if action == 'edit':
            metadata = self.client.factory.create('metadataWrapper')
            metadata.metadataList = self.client.factory.create('metadataWrapper.metadataList')
            metadata1 = self.client.factory.create('metadata')
            metadata1.field = 'dmrecord'
            metadata1.value = recordid
            metadata2 = self.client.factory.create('metadata')
            metadata2.field = field
            metadata2.value = value
            metadata.metadataList.metadata = [metadata1, metadata2]
        return metadata

def UnicodeDictReader(str_data, encoding, **kwargs):
    csv_reader = csv.DictReader(str_data, **kwargs)
    # Decode the keys once
    keymap = dict((k, k.decode(encoding)) for k in csv_reader.fieldnames)
    for row in csv_reader:
        yield dict((keymap[k], v.decode(encoding)) for k, v in row.iteritems())

#iterate through current directory to find any files starting with 'CatcherUpload' and process
for file in os.listdir('.'):
    if fnmatch.fnmatch(file, 'CatcherUpload*.csv'):
        csvfile = open(file, 'rb')
        c = UnicodeDictReader(csvfile, encoding='utf-8')

        # create directory for completed files and transaction logs if it doesn't exist
        newdir = 'Completed'
        if not os.path.isdir(newdir):
            os.mkdir(newdir)

        # create csv file for transactions
        today = datetime.datetime.now().strftime('%Y-%m-%d--%H-%M')
        fname = 'Completed/Transactions_' + file[0:-4] + '_' + today + '.csv'
        f = open(fname, 'wb')
        fwtr = csv.writer(f)
        header = ['Alias', 'CDM_id', 'CDM_field', 'Transaction']
        fwtr.writerow(header)

        #initialize Catcher session
        session = Catcher(password=password)

        #iterate through rows in csv and process through Catcher
        for row in c:
            # get values from row and package metadata for edits
            cdmid = row['CDM_page_id']
            alias = row['Alias']
            field = row['CDM_field']
            value = row['Value']
            # package metadata for Catcher and upload if value is not empty
            if value != '':
                session.edit(alias, cdmid, field, value)     
                # write transaction message to file
                fRow = [alias, cdmid, field, session.transactions[-1]]
            else:
                fRow = [alias, cdmid, field, 'No content--not uploaded']
            fwtr.writerow(fRow)

        f.close()
        csvfile.close()
        # append timestamp to upload csv filename and move to Completed directory
        newcsv = 'Completed/' + file[0:-4] + '_' + today + '.csv'
        oldfile = file
        os.rename(oldfile, newcsv)