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metadata_query.py
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78 lines (67 loc) · 2.55 KB
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####
# This script demonstrates how to use the metadata API to query information on a published data source
#
# To run the script, you must have installed Python 3.7 or later.
####
import argparse
import logging
from pprint import pprint
import tableauserverclient as TSC
def main():
parser = argparse.ArgumentParser(description="Use the metadata API to get information on a published data source.")
# Common options; please keep those in sync across all samples
parser.add_argument("--server", "-s", required=True, help="server address")
parser.add_argument("--site", "-S", help="site name")
parser.add_argument(
"--token-name", "-n", required=True, help="name of the personal access token used to sign into the server"
)
parser.add_argument(
"--token-value", "-v", required=True, help="value of the personal access token used to sign into the server"
)
parser.add_argument(
"--logging-level",
"-l",
choices=["debug", "info", "error"],
default="error",
help="desired logging level (set to error by default)",
)
# Options specific to this sample
parser.add_argument(
"datasource_name",
nargs="?",
help="The name of the published datasource. If not present, we query all data sources.",
)
args = parser.parse_args()
# Set logging level based on user input, or error by default
logging_level = getattr(logging, args.logging_level.upper())
logging.basicConfig(level=logging_level)
# Sign in to server
tableau_auth = TSC.PersonalAccessTokenAuth(args.token_name, args.token_value, site_id=args.site)
server = TSC.Server(args.server, use_server_version=True)
with server.auth.sign_in(tableau_auth):
# Execute the query
result = server.metadata.query(
"""
query useMetadataApiToQueryOrdersDatabases($name: String){
publishedDatasources (filter: {name: $name}) {
luid
name
description
projectName
fields {
name
}
}
}""",
{"name": args.datasource_name},
)
# Display warnings/errors (if any)
if result.get("errors"):
print("### Errors/Warnings:")
pprint(result["errors"])
# Print the results
if result.get("data"):
print("### Results:")
pprint(result["data"]["publishedDatasources"])
if __name__ == "__main__":
main()