discogs_client package

discogs_client.client module

class discogs_client.client.Client(user_agent, consumer_key=None, consumer_secret=None, token=None, secret=None, user_token=None)

Bases: object

An interface to the Discogs API.

_base_url = 'https://api.discogs.com'

_request_token_url = 'https://api.discogs.com/oauth/request_token'

_authorize_url = 'https://www.discogs.com/oauth/authorize'

_access_token_url = 'https://api.discogs.com/oauth/access_token'

set_consumer_key(consumer_key, consumer_secret)

set_token(token, secret)

get_authorize_url(callback_url=None): Returns a tuple of (<access_token>, <access_secret>, <authorize_url>). Send a Discogs user to the authorize URL to get the verifier for the access token.

get_access_token(verifier): Uses the verifier to exchange a request token for an access token.

_check_user_agent()

_request(method, url, data=None)

_get(url)

_delete(url)

_post(url, data)

_patch(url, data)

_put(url, data)

search(*query, **fields): Search the Discogs database. Returns a paginated list of objects (Artists, Releases, Masters, and Labels). The keyword arguments to this function are serialized into the request’s query string.

artist(id): Fetch an Artist by ID.

release(id): Fetch a Release by ID.

master(id): Fetch a Master by ID.

label(id): Fetch a Label by ID.

list(id): Fetch a List by ID.

user(username): Fetch a User by username.

listing(id): Fetch a Marketplace Listing by ID.

order(id): Fetch an Order by ID.

fee_for(price, currency='USD'): Calculate the fee for selling an item on the Marketplace.

identity(): Return a User object representing the OAuth-authorized user.

property backoff_enabled: bool

property connection_timeout: Return current client connection timeout

property read_timeout: Return current client read timeout

set_timeout(connect: Union[int, float] = 5, read: Union[int, float] = 10) → None

Set request timeout parameters

Parameters:

connect ((Union[int, float], optional)) – Time in seconds after which connect will timeout. Defaults to 5.
read ((Union[int, float], optional)) – Time in seconds after which request will timeout. Defaults to 10.

discogs_client.exceptions module

exception discogs_client.exceptions.DiscogsAPIError

Bases: Exception

Root Exception class for Discogs API errors.

exception discogs_client.exceptions.TooManyAttemptsError

Bases: DiscogsAPIError

Exception class for when the ratelimit for the API is hit too many times consecutively and backing off has not helped.

exception discogs_client.exceptions.ConfigurationError(msg)

Bases: DiscogsAPIError

Exception class for problems with the configuration of this client.

exception discogs_client.exceptions.HTTPError(message, code)

Bases: DiscogsAPIError

Exception class for HTTP errors.

exception discogs_client.exceptions.AuthorizationError(message, code, response)

Bases: HTTPError

The server rejected the client’s credentials.

discogs_client.fetchers module

class discogs_client.fetchers.Fetcher

Bases: object

Base class for Fetchers, which wrap and normalize the APIs of various HTTP libraries.

(It’s a slightly leaky abstraction designed to make testing easier.)

backoff_enabled = True

connect_timeout: Optional[Union[float, int]] = None

read_timeout: Optional[Union[float, int]] = None

fetch(client, method, url, data=None, headers=None, json=True)

Fetch the given request

Parameters:

client (object) – Instantiated discogs_client.client.Client object.
method (str) – HTTP method.
url (str) – API endpoint URL.
data (dict, optional) – data to be sent in the request’s body, by default None.
headers (dict, optional) – HTTP headers, by default None.
json_format (bool, optional) – If True, an object passed with the “data” arg will be converted into a JSON string, by default True.

Returns:

content (bytes) – as returned by Python “Requests”
status_code (int) – as returned by Python “Requests”

Raises:

NotImplementedError – Is raised if a child class doesn’t implement a fetch method.

request(method, url, data, headers, params=None)

class discogs_client.fetchers.LoggingDelegator(fetcher)

Bases: object

Wraps a fetcher and logs all requests.

property last_request

fetch(client, method, url, data=None, headers=None, json=True): Appends passed “fetcher” to a requests list and returns result of fetcher.fetch method

class discogs_client.fetchers.RequestsFetcher

Bases: Fetcher

Fetches via HTTP from the Discogs API (unauthenticated)

fetch(client, method, url, data=None, headers=None, json=True)

Parameters:

client (object) – Unused in this subclass.
method (str) – HTTP method.
url (str) – API endpoint URL.
data (dict, optional) – data to be sent in the request’s body, by default None.
headers (dict, optional) – HTTP headers, by default None.
json_format (bool, optional) – Unused in this subclass, by default True.

Returns:

content (bytes) – as returned by Python “Requests”
status_code (int) – as returned by Python “Requests”

class discogs_client.fetchers.UserTokenRequestsFetcher(user_token)

Bases: Fetcher

Fetches via HTTP from the Discogs API using User-token authentication

fetch(client, method, url, data=None, headers=None, json_format=True)

Fetch the given request on the user’s behalf

Parameters:

client (object) – Unused in this subclass.
method (str) – HTTP method.
url (str) – API endpoint URL.
data (dict, optional) – data to be sent in the request’s body, by default None.
headers (dict, optional) – HTTP headers, by default None.
json_format (bool, optional) – If True, an object passed with the “data” arg will be converted into a JSON string, by default True.

Returns:

content (bytes) – as returned by Python “Requests”
status_code (int) – as returned by Python “Requests”

class discogs_client.fetchers.OAuth2Fetcher(consumer_key, consumer_secret, token=None, secret=None)

Bases: Fetcher

Fetches via HTTP + OAuth 1.0a from the Discogs API.

store_token_from_qs(query_string)

forget_token()

store_token(token, secret)

set_verifier(verifier)

fetch(client, method, url, data=None, headers=None, json_format=True)

Fetch the given request on the user’s behalf

Parameters:

client (object) – Unused in this subclass.
method (str) – HTTP method.
url (str) – API endpoint URL.
data (dict, optional) – Data to be sent in the request’s body, by default None.
headers (dict, optional) – HTTP headers, by default None.
json_format (bool, optional) – If True, an object passed with the “data” arg will be converted into a JSON string, by default True.

Returns:

content (bytes) – as returned by Python “Requests”
status_code (int) – as returned by Python “Requests”

class discogs_client.fetchers.FilesystemFetcher(base_path)

Bases: Fetcher

Fetches from a directory of files.

default_response = ('{"message": "Resource not found."}', 404)

path_with_params = re.compile('(?P<dir>(\\w+/)+)(?P<query>\\w+)\\?(?P<params>.*)')

fetch(client, method, url, data=None, headers=None, json=True)

Fetch the given request

Parameters:

client (object) – Instantiated discogs_client.client.Client object.
method (str) – Unused in this subclass (this fetcher supports GET only).
url (str) – API endpoint URL.
data (dict, optional) – Unused in this subclass (this fetcher supports GET only).
headers (dict, optional) – Unused in this subclass.
json_format (bool, optional) –

Returns:

content (bytes)
status_code (int)

check_alternate_params(base_name, json): parse_qs() result is non-deterministic - a different file might be requested, making the tests fail randomly, depending on the order of parameters in the query. This fixes it by checking for matching file names with a different permutations of the parameters.

class discogs_client.fetchers.MemoryFetcher(responses)

Bases: Fetcher

Fetches from a dict of URL -> (content, status_code).

default_response = ('{"message": "Resource not found."}', 404)

fetch(client, method, url, data=None, headers=None, json=True)

Fetch the given request

Parameters:

client (object) – Unused in this subclass.
method (str) – Unused in this subclass (this fetcher supports GET only).
url (str) – API endpoint URL.
data (dict, optional) – Unused in this subclass (this fetcher supports GET only).
headers (dict, optional) – Unused in this subclass.
json_format (bool, optional) – Unused in this subclass

Returns:

content (bytes)
status_code (int)

discogs_client.models module

class discogs_client.models.SimpleFieldDescriptor(name, writable=False, transform=None)

Bases: object

An attribute that determines its value using the object’s fetch() method.

If transform is a callable, the value will be passed through transform when read. Useful for strings that should be ints, parsing timestamps, etc.

Shorthand for:

@property def foo(self):

return self.fetch(‘foo’)

class discogs_client.models.ObjectFieldDescriptor(name, class_name, optional=False, as_id=False)

Bases: object

An attribute that determines its value using the object’s fetch() method, and passes the resulting value through an APIObject.

If optional = True, the value will be None (rather than an APIObject instance) if the key is missing from the response.

If as_id = True, the value is treated as an ID for the new APIObject rather than a partial dict of the APIObject.

Shorthand for:

@property def baz(self):

return BazClass(self.client, self.fetch(‘baz’))

class discogs_client.models.ListFieldDescriptor(name, class_name)

Bases: object

An attribute that determines its value using the object’s fetch() method, and passes each item in the resulting list through an APIObject.

Shorthand for:

@property def bar(self):

return [BarClass(self.client, d) for d in self.fetch(‘bar’, [])]

class discogs_client.models.ObjectCollectionDescriptor(name, class_name, url_key=None, list_class=None)

Bases: object

An attribute that determines its value by fetching a URL to a paginated list of related objects, and passes each item in the resulting list through an APIObject.

Shorthand for:

@property def frozzes(self):

return PaginatedList(self.client, self.fetch(‘frozzes_url’), ‘frozzes’, FrozClass)

class discogs_client.models.Field(*args, **kwargs)

Bases: object

A placeholder for a descriptor. Is transformed into a descriptor by the APIObjectMeta metaclass when the APIObject classes are created.

_descriptor_class = None

to_descriptor(attr_name)

class discogs_client.models.SimpleField(*args, **kwargs)

Bases: Field

A field that just returns the value of a given JSON key.

_descriptor_class: alias of SimpleFieldDescriptor

class discogs_client.models.ListField(*args, **kwargs)

Bases: Field

A field that returns a list of APIObjects.

_descriptor_class: alias of ListFieldDescriptor

class discogs_client.models.ObjectField(*args, **kwargs)

Bases: Field

A field that returns a single APIObject.

_descriptor_class: alias of ObjectFieldDescriptor

class discogs_client.models.ObjectCollection(*args, **kwargs)

Bases: Field

A field that returns a paginated list of APIObjects.

_descriptor_class: alias of ObjectCollectionDescriptor

class discogs_client.models.APIObjectMeta(name, bases, namespace): Bases: type

class discogs_client.models.APIObject: Bases: object

class discogs_client.models.PrimaryAPIObject(client, dict_)

Bases: APIObject

A first-order API object that has a canonical endpoint of its own.

refresh()

save()

delete()

fetch(key, default=None)

class discogs_client.models.SecondaryAPIObject(client, dict_)

Bases: APIObject

An object that wraps parts of a response and doesn’t have its own endpoint.

fetch(key, default=None)

class discogs_client.models.BasePaginatedResponse(client, url)

Bases: object

Base class for lists of objects spread across many URLs.

property per_page

_invalidate()

_load_pagination_info()

_url_for_page(page)

sort(key, order='asc')

filter(**kwargs)

property pages

property count

page(index)

_transform(item)

class discogs_client.models.PaginatedList(client, url, key, class_)

Bases: BasePaginatedResponse

A paginated list of objects of a particular class.

_transform(item)

class discogs_client.models.Wantlist(client, url, key, class_)

Bases: PaginatedList

add(release, notes=None, notes_public=None, rating=None)

remove(release)

class discogs_client.models.Inventory(client, url, key, class_)

Bases: PaginatedList

add_listing(release, condition, price, status, sleeve_condition=None, comments=None, allow_offers=None, external_id=None, location=None, weight=None, format_quantity=None)

class discogs_client.models.OrderMessagesList(client, url, key, class_)

Bases: PaginatedList

add(message=None, status=None, email_buyer=True, email_seller=False)

class discogs_client.models.MixedPaginatedList(client, url, key)

Bases: BasePaginatedResponse

A paginated list of objects identified by their type parameter.

_transform(item)

class discogs_client.models.Artist(client, dict_)

Bases: PrimaryAPIObject

An object describing an artist

id

name

real_name

images

profile

data_quality

name_variations

url

urls

aliases

members

groups

join: This attribute is only populated when an Artist object is requested via the artists list of a Release object, and if it is a multi-artist release. Usually only the first Artist object in the artists list contains a keyword such as “And”, “Feat”, “Vs”, or similar. This keyword could be used to combine artists together into a single string, for example: “DJ ABC Feat MC Z”. Also check out the artists_sort attribute of a Release object.

role: This attribute is only present when an Artist object is part of a credits list of a Release object.

property releases

class discogs_client.models.Release(client, dict_)

Bases: PrimaryAPIObject

An object describing a Discogs release.

id

title

year

thumb

data_quality

status

genres

images

country

notes

formats

styles

url

videos

tracklist

artists: A list of Artist objects. Even though a release could be by one artist only, this will always be a list.

artists_sort: On multi-artist releases this attribute provides a string containing artists combinend together with a keyword such as “And”, “Feat”, “Vs”, or similar, for example “DJ ABC Feat MC Z”. Also check out at the join attribute of an Artist object.