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Bill of Lading OCR Python

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The Python OCR SDK supports the Bill of Lading API.

Using the sample below, we are going to illustrate how to extract the data that we want using the OCR SDK.
Bill of Lading sample

Quick-Start

from mindee import Client, product, AsyncPredictResponse

# Init a new client
mindee_client = Client(api_key="my-api-key")

# Load a file from disk
input_doc = mindee_client.source_from_path("/path/to/the/file.ext")

# Load a file from disk and enqueue it.
result: AsyncPredictResponse = mindee_client.enqueue_and_parse(
    product.BillOfLadingV1,
    input_doc,
)

# Print a brief summary of the parsed data
print(result.document)

Output (RST):

########
Document
########
:Mindee ID: 3b5250a1-b52c-4e0b-bc3e-2f0146b04e29
:Filename: default_sample.jpg

Inference
#########
:Product: mindee/bill_of_lading v1.1
:Rotation applied: No

Prediction
==========
:Bill of Lading Number: XYZ123456
:Shipper:
  :Address: 123 OCEAN DRIVE, SHANGHAI, CHINA
  :Email:
  :Name: GLOBAL FREIGHT SOLUTIONS INC.
  :Phone: 86-21-12345678
:Consignee:
  :Address: 789 TRADE STREET, SINGAPORE 567890, SINGAPORE
  :Email:
  :Name: PACIFIC TRADING CO.
  :Phone: 65-65432100
:Notify Party:
  :Address: 789 TRADE STREET, SINGAPORE 567890, SINGAPORE
  :Email:
  :Name: PACIFIC TRADING CO.
  :Phone: 65-65432100
:Carrier:
  :Name: GLOBAL SHIPPING CO.,LTD.
  :Professional Number:
  :SCAC:
:Items:
  +--------------------------------------+--------------+-------------+------------------+----------+-------------+
  | Description                          | Gross Weight | Measurement | Measurement Unit | Quantity | Weight Unit |
  +======================================+==============+=============+==================+==========+=============+
  | ELECTRONIC COMPONENTS\nP/N: 12345... | 500.00       | 1.50        | cbm              | 1.00     | kgs         |
  +--------------------------------------+--------------+-------------+------------------+----------+-------------+
:Port of Loading: SHANGHAI, CHINA
:Port of Discharge: LOS ANGELES, USA
:Place of Delivery: LOS ANGELES, USA
:Date of issue: 2022-09-30
:Departure Date:

Field Types

Standard Fields

These fields are generic and used in several products.

BaseField

Each prediction object contains a set of fields that inherit from the generic BaseField class.
A typical BaseField object will have the following attributes:

  • value (Union[float, str]): corresponds to the field value. Can be None if no value was extracted.
  • confidence (float): the confidence score of the field prediction.
  • bounding_box ([Point, Point, Point, Point]): contains exactly 4 relative vertices (points) coordinates of a right rectangle containing the field in the document.
  • polygon (List[Point]): contains the relative vertices coordinates (Point) of a polygon containing the field in the image.
  • page_id (int): the ID of the page, always None when at document-level.
  • reconstructed (bool): indicates whether an object was reconstructed (not extracted as the API gave it).

Note: A Point simply refers to a List of two numbers ([float, float]).

Aside from the previous attributes, all basic fields have access to a custom __str__ method that can be used to print their value as a string.

DateField

Aside from the basic BaseField attributes, the date field DateField also implements the following:

  • date_object (Date): an accessible representation of the value as a python object. Can be None.

StringField

The text field StringField only has one constraint: its value is an Optional[str].

Specific Fields

Fields which are specific to this product; they are not used in any other product.

Carrier Field

The shipping company responsible for transporting the goods.

A BillOfLadingV1Carrier implements the following attributes:

  • name (str): The name of the carrier.
  • professional_number (str): The professional number of the carrier.
  • scac (str): The Standard Carrier Alpha Code (SCAC) of the carrier.
    Fields which are specific to this product; they are not used in any other product.

Consignee Field

The party to whom the goods are being shipped.

A BillOfLadingV1Consignee implements the following attributes:

  • address (str): The address of the consignee.
  • email (str): The email of the shipper.
  • name (str): The name of the consignee.
  • phone (str): The phone number of the consignee.
    Fields which are specific to this product; they are not used in any other product.

Items Field

The goods being shipped.

A BillOfLadingV1CarrierItem implements the following attributes:

  • description (str): A description of the item.
  • gross_weight (float): The gross weight of the item.
  • measurement (float): The measurement of the item.
  • measurement_unit (str): The unit of measurement for the measurement.
  • quantity (float): The quantity of the item being shipped.
  • weight_unit (str): The unit of measurement for weights.
    Fields which are specific to this product; they are not used in any other product.

Notify Party Field

The party to be notified of the arrival of the goods.

A BillOfLadingV1NotifyParty implements the following attributes:

  • address (str): The address of the notify party.
  • email (str): The email of the shipper.
  • name (str): The name of the notify party.
  • phone (str): The phone number of the notify party.
    Fields which are specific to this product; they are not used in any other product.

Shipper Field

The party responsible for shipping the goods.

A BillOfLadingV1Shipper implements the following attributes:

  • address (str): The address of the shipper.
  • email (str): The email of the shipper.
  • name (str): The name of the shipper.
  • phone (str): The phone number of the shipper.

Attributes

The following fields are extracted for Bill of Lading V1:

Bill of Lading Number

bill_of_lading_number (StringField): A unique identifier assigned to a Bill of Lading document.

print(result.document.inference.prediction.bill_of_lading_number.value)

Carrier

carrier (BillOfLadingV1Carrier): The shipping company responsible for transporting the goods.

print(result.document.inference.prediction.carrier.value)

Items

carrier_items (List[BillOfLadingV1CarrierItem]): The goods being shipped.

for carrier_items_elem in result.document.inference.prediction.carrier_items:
    print(carrier_items_elem.value)

Consignee

consignee (BillOfLadingV1Consignee): The party to whom the goods are being shipped.

print(result.document.inference.prediction.consignee.value)

Date of issue

date_of_issue (DateField): The date when the bill of lading is issued.

print(result.document.inference.prediction.date_of_issue.value)

Departure Date

departure_date (DateField): The date when the vessel departs from the port of loading.

print(result.document.inference.prediction.departure_date.value)

Notify Party

notify_party (BillOfLadingV1NotifyParty): The party to be notified of the arrival of the goods.

print(result.document.inference.prediction.notify_party.value)

Place of Delivery

place_of_delivery (StringField): The place where the goods are to be delivered.

print(result.document.inference.prediction.place_of_delivery.value)

Port of Discharge

port_of_discharge (StringField): The port where the goods are unloaded from the vessel.

print(result.document.inference.prediction.port_of_discharge.value)

Port of Loading

port_of_loading (StringField): The port where the goods are loaded onto the vessel.

print(result.document.inference.prediction.port_of_loading.value)

Shipper

shipper (BillOfLadingV1Shipper): The party responsible for shipping the goods.

print(result.document.inference.prediction.shipper.value)

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Updated about 1 month ago