Class S3PDFCard

API Method to encode a resource as cards

Parameters:

• resource - the S3Resource, or
  • the data items as list [{fieldname: representation, ...}, ...], or
  • a callable that produces such a list of items
• attr - additional encoding parameters (see below)
• layout - the layout (a S3PDFCardLayout subclass, overrides the resource's pdf_card_layout setting
• orderby - orderby-expression for data extraction, overrides the resource's orderby setting
• labels - the labels for the fields,
  • a dict {colname: label}, or
  • a callable that produces it,
  • defaults to the labels of the extracted fields
• pagesize - the PDF page size,
  • a string "A4" or "Letter", or
  • a tuple (width, height), in points
  • defaults to the layout's card size
• margins - the page margins,
  • a tuple (N, E, S, W), in points, or
  • a single number, in points
  • will be computed if omitted
• spacing - the spacing between cards,
  • a tuple (H, V), in points, or
  • a single number, in points
  • defaults to 18 points in both directions
• title - the document title,
  • defaults to title_list crud string of the resource

Returns:

a handle to the output

Overrides: s3codec.S3Codec.encode

Extract the data items from the given resource

Parameters:

• resource - the resource (a filtered S3Resource)
• fields - the fields to extract (array of field selectors)
• orderby - the orderby-expression

Returns:

an S3ResourceData instance

Get the Flowable-instances for the data items

Parameters:

• layout - the S3PDFCardLayout subclass implementing the card layout
• resource - the resource
• items - the data items
• labels - the field labels
• cards_per_page - the number of cards per page