SruClient class

class almasru.client.SruClient(base_url: str | None = None, is_iz_server: bool | None = None)

Class representing an SRU server

This class is mostly used at the beginning of a process to set the base url of the SRU server.

Note

it is possible to change the base url to connect to another SRU server, but the already fetched records and requests are stored at the class level. They need to be reset.

Variables:

• nsmap – dict describing the name spaces used in records

• parser – etree.XMLParser used to parse records

• records – MMS ID as key and etree.Element of the Marc XML of the record as value

• requests – dict with query__limit pattern as key and almasru.client.SruRequest as value

• base_url – base url of the SRU server

• is_iz_server – flag indicating if the SRU server is related to an IZ. Useful to get almasru.client.IzSruRecord instead of almasru.client.SruRecord

classmethod clean_old_requests() → None

Delete and recreate the requests folder and reset the requests and records attributes

fetch_records(query: str, limit: int = 10) → SruRequest

Fetch records with SRU

Parameters:

• query – string containing the sru query

• limit – int indicating the max number of records to fetch, 10 is the default value

Returns:

almasru.client.SruRequest

classmethod set_base_url(base_url: str) → None

Set the base url of the SRU client

It is required to set this parameter before using the client

Parameters:

base_url – base url of the SRU server