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Api for ASF's hyp3 system

Project description

asf_hyp3 API CLASS

>>> from asf_hyp3 import API
>>> api = API('username')
>>> api.login()

This module is a Python interface to the hyp3-api which handles making web requests and parsing the output back to python objects. It takes care of adding the username and API key to each request by letting you set them once in the constructor. Pass them in through the username and api_key parameters:

>>> api = API('username', api_key="SAMPLE_API_KEY")
Formats:
  • json by default which will be converted into appropriate data type,
  • csv or any other format returns string of data received
Functions:

login

Logs the user in and gets a valid api key

Parameters:

Required - None

Optional - password, doesPrint, reset_key

Returns:

None

reset_api_key

Sets the user’s api_key to a new random key

Parameters:

Required - None

Optional - doesPrint

Returns:

A dictionary containing the username and new api_key

get_jobs

Parameters:

Required - None

Optional - id(can be a list of ids), status, sub_id, granule, format

Returns:

A list of dictionaries containing job information with the specified attributes.

Job info:
  • id, sub_id, user_id, process_id, status, granule, granule_url, other_granules, other_granule_urls, request_time, processed_time, priority, message

get_job

Parameters:

Required - id

Optional - None

Returns:

A dictionary just like the one referenced in get_jobs

get_products

Parameters:

Required - None

Optional - id, sub_id, sub_ids, sub_name, creation_date, start_date, end_date, name, group_id, group_ids, process_id, page, page_size, format

Returns:

A list of dictionaries containing product information for products with the specified attributes. The list is limited to 100 items, but more items can be retrieved with the page parameter (first page is 0). The default page size can also be changed with the page_size parameter.

Product info contains fields:
  • id, sub_id, name, url, browse_url, browse_thumbnail, browse_geo_immage, browse_geo_xml, size, creation_date
Attributes browse_thumbnail, browse_geo_immage, browse_geo_xml are dictionaries with the following fields:
  • url, epsg, lat_min, lat_max, lon_min, lon_max

get_product

Parameters:

Required - id

Optional - None

Returns:

A dictionary just like the one referenced in get_product

get_products_public

Parameters:Required - group_id Optional - page, format
Returns:A JSON or CSV array with information about all products in the public group with given group_id.

get_process

Parameters:

Required - id

Optional - format

Returns:

A dictionary or a string depending on format containing information about the process.

Return fields are:
  • id, name, description, requires_pair, supports_time_series_processing, requires_dual_pol

get_processes

Parameters:

Required - None

Optional - format

Returns:

A list of dictionaries for all available processes. Each entry is as described by get_process.

get_groups

Parameters:

Required - None

Optional - id, name, format

Returns:

A list of dictionaries containing information about each group.

Return fields are:
  • id, name, description, subscriptions

one_time_process

Schedules a new processing request and returns a dictionary indicating whether or not the request succeeded, and an error message. If the process_id specifies a process that requires a granule pair, then other_granules must also be supplied.

Parameters:

Required - granule, process_id

Optional - other_granules, priority, message

granule:

can be passed a single granule, a list of granule strings, a file name or an open file with granules in it. All granule operations are done with the given process_id.

Returns:

{“status”: “SUCCESS”, “message”: null} or

{“status”: “SUCCESS”, “id”: 1234} or

{“status”: “ERROR”, “message”: A Contextual Message}

one_time_process_batch

Schedules any number of new processing requests through an input file containing descriptions of the jobs.

Parameters:

Required - filename

File (CSV):

granule,process_id,other_granules,priority,message

S1_GRANULE,2,,10,sample message

S1_GRANULE,10,S1_GRANULE,,,

create_subscription

Schedules a new subscription and returns a dictionary indicating whether or not the request succeeded, as well as an error message in the event of failure. If you pass a file path to shapefilepath this will override your entry for location. The shapefilepath must point to one of the files necessary to create your geometry object, not simply their parent directory.

Parameters:

Required - polarization, crop_to_selection, name, process_id, platform

Optional - location, start_date, end_date, description, extra_arguments, enable, project_id, group_id

Returns:

{“status”: “SUCCESS”, “id”: 1234} or

{“status”: “ERROR”, “message”: A Contextual Message}

get_subscriptions

Parameters:

Required - None

Optional - id, process_id, name, location, start_date, end_date, enable, project_id, group_id, format

Returns:

A array of subscription information with the specified attributes or a string depending on format.

Subscription info contains fields:
  • id, process_id, user_id, name, location, start_date, end_date, enabled

get_subscription

Parameters:

Required - id Optional - None

Returns:

A JSON or CSV array with information belonging to the subscription holding the subscription id passed.

Subscriptions info contains fields:
  • id, process_id, user_id, name, location, start_date, end_date, enabled

get_subscriptions_public

Parameters:Required - group_id Optional - format
Returns:A JSON or CSV array with information about all subscriptions in the public group with given group_id.

disable_subscription

Sets the property ‘enabled’ of a subscription to False. No further actions will be taken based on this subscription until it is enabled again. Returns a dictionary indicating whether or not the request succeeded, and an error message in the event it did not.

Parameters:None
Returns:A dictionary just like the one referenced in get_subscriptions

enable_subscription

Sets the property ‘enabled’ of a subscription to True. Further actions will be taken based on this subscription until it is disabled again. Returns a dictionary indicating whether or not the request succeeded, and an error message in the event it did not.

Parameters:None
Returns:A dictionary just like the one referenced in get_subscriptions

modify_subscription

Sets the property ‘name’ and property ‘description’ of a subscription to the passed values, if those values are not None. Returns a dictionary indicating what has changed and if the request was a success.

Parameters:Required: username, id Optional: project_id, name, description, end_date
Returns:A dictionary indicating the updated values. If the request has failed, the dictionary will indicate that instead.

create_group

Create a new subscription group. You can add subscriptions to it by calling modify_group

Parameters:

Required - name

Optional - description

Returns:

A status and an id. Or on failure, a status and a message.

Return fields are:
  • status, (id | message)

modify_group

Modify the attributes of a group with given id. Arguments add_subs and rem_subs must be an iterable of sub_id’s. Similarly, arguments add_users and rem_users must be an iterable of username’s. If a value appears in both an add_* and rem_* argument, it is ignored.

Parameters:

Required - id

Optional - name, description, add_subs, rem_subs, add_users, rem_users, icon

Returns:

A status and a message.

Return fields are:
  • status, message

HYP3 SCRIPTS

>>> from asf_hyp3 import scripts
Functions:

download_products

Calls api.get_products and downloads everything that has not been downloaded yet to the given directory. Filter arguments will be passed to the api.get_products call

Parameters:

Required:

api            The api object to use

Optional:

directory      The destination folder
id             The product id to match
sub_id         The subscription id to match
sub_name       The subscription name to match
creation_date  The creation date to match
verbose        Print verbose output (progress bar and download status)
threads        The number of products to download at a time

load_granules

Searches through a file and finds all strings that look like S1 granules.

Granule Format::
S1A_IW_GRDH_1SDV_YYYYMMDDTHHMMSS_YYYYMMDDTHHMMSS_123456_789ABC_89AB
Parameters:

Required:

filename      The name of the file to search through
Returns:

A list of all granules found in the file

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