Source code for ocdskit.mapping_sheet

import csv
import re

from ocdskit.exceptions import MissingColumnError
from ocdskit.schema import get_schema_fields
from ocdskit.util import _cast_as_list

# See
INLINE_LINK_RE = re.compile(r'\[([^\]]+)\]\(([^)]+)\)')

[docs]def mapping_sheet(schema, io, order_by=None, infer_required=False, extension_field=None, include_deprecated=True, include_definitions=False): """ Writes information about all field paths in a JSON Schema to a CSV file. :param dict schema: a JSON schema :param io: a file-like object to which to write the rows :param str order_by: the column by which to sort the rows :param bool infer_required: whether to infer that a field is required if "null" is not in its ``type`` :param str extension_field: the property in the JSON schema containing the name of the extension in which each field was defined :param bool include_deprecated: whether to include any deprecated fields :param bool include_definitions: whether to traverse the "definitions" property The CSV's columns are: :``section``: The first part of the JSON path to the field in the data, e.g. ``tender`` :``path``: The JSON path to the field in the data, e.g. ``tender/id`` :``title``: The field's ``title`` in the JSON schema. If the field has no ``title``, defaults to the field's name followed by "*". :``description``: The field's ``description`` in the JSON schema. URLs are removed (see the ``links`` column). :``type``: A comma-separated list of the field's ``type`` in the JSON schema, excluding "null". If the field has no ``type``, defaults to "unknown". :``range``: The field's allowed number of occurrences. * "0..1" if the field defines an optional literal value. * "0..n" if the field defines an optional array. * "1..1" if the field defines a required literal value. * "1..n" if the field defines a required array. :``values``: If the field's schema sets: * ``format``: the ``format`` * ``pattern``: the ``pattern`` * ``enum``: "Enum: " followed by the ``enum`` as a comma-separated list, excluding ``null`` * ``items/enum``: "Enum: " followed by the ``items/enum`` as a comma-separated list, excluding ``null`` :``links``: The URLs extracted from the field's ``description`` :``deprecated``: The OCDS minor version in which the field (or its parent) was deprecated :``deprecationNotes``: The explanation for the deprecation of the field :``extension``: The name of the extension that introduced the JSON path (see the ``extension_field`` parameter) :raises MissingColumnError: if the column by which to order is missing """ rows = [] rows_by_path = {} for field in get_schema_fields(schema): if not include_definitions and field.definition_pointer_components: continue prop = field.schema field.sep = '/' # If the field uses `$ref`, add an extra row for it. This makes it easier to use as a header for the object. # It also preserves the different titles and descriptions of the referrer and referee. if hasattr(prop, '__reference__'): reference = dict(prop.__reference__) prop = dict(prop) if extension_field in reference: prop[extension_field] = reference[extension_field] if 'type' not in reference and 'type' in prop: reference['type'] = prop['type'] _add_row(rows, rows_by_path, field, reference, extension_field, infer_required=infer_required, include_deprecated=include_deprecated) _add_row(rows, rows_by_path, field, prop, extension_field, infer_required=infer_required, include_deprecated=include_deprecated) # If the field is an array, add an extra row for it. This makes it easier to use as a header for the object. if 'items' in prop and 'properties' in prop['items'] and 'title' in prop['items']: row = { 'path': field.path, 'title': prop['items']['title'], 'description': prop['items'].get('description', ''), 'type': prop['items']['type'], 'deprecated': field.deprecated.get('deprecatedVersion'), # deprecation from parent } _add_deprecated(row, prop['items']) _add_row(rows, rows_by_path, field, prop['items'], extension_field, row=row, include_deprecated=include_deprecated) if order_by: try: rows.sort(key=lambda row: row[order_by]) except KeyError as e: raise MissingColumnError("the column '{}' doesn't exist – did you make a typo?".format(order_by)) from e fieldnames = ['section', 'path', 'title', 'description', 'type', 'range', 'values', 'links', 'deprecated', 'deprecationNotes'] if extension_field: fieldnames.append(extension_field) writer = csv.DictWriter(io, fieldnames) writer.writeheader() writer.writerows(rows)
def _add_deprecated(row, schema): if 'deprecated' in schema: row['deprecated'] = schema['deprecated'].get('deprecatedVersion', '') row['deprecationNotes'] = schema['deprecated'].get('description', '') def _add_row(rows, rows_by_path, field, schema, extension_field, *, infer_required=None, include_deprecated=True, row=None): parent = rows_by_path.get(field.path_components[:-1], {}) if not row: row = _make_row(field, schema, infer_required) if extension_field in schema: row['extension'] = schema[extension_field] elif 'extension' in parent: row['extension'] = parent['extension'] if include_deprecated or not row['deprecated']: rows.append(row) rows_by_path[field.path_components] = row def _make_row(field, schema, infer_required): row = { 'path': field.path, 'title': schema.get('title', field.path_components[-1] + '*'), 'deprecated': field.deprecated.get('deprecatedVersion'), # deprecation from parent } if len(field.path_components) > 1: row['section'] = field.path_components[0] else: row['section'] = field.definition_path if 'description' in schema: links = dict(INLINE_LINK_RE.findall(schema['description'])) row['description'] = schema['description'] for key, link in links.items(): row['description'] = row['description'].replace('[' + key + '](' + link + ')', key) row['links'] = ', '.join(links.values()) required = False if 'type' in schema: types = _cast_as_list(schema['type']) if 'null' in types: types.remove('null') elif infer_required: required = 'string' in types or 'integer' in types row['type'] = ', '.join(types) else: row['type'] = 'unknown' if field.required: required = True min_range = '1' if required else '0' max_range = 'n' if row['type'] == 'array' else '1' row['range'] = '{}..{}'.format(min_range, max_range) if 'format' in schema: row['values'] = schema['format'] elif 'pattern' in schema: row['values'] = 'Pattern: ' + schema['pattern'] elif 'enum' in schema: values = list(schema['enum']) if None in values: values.remove(None) row['values'] = 'Enum: ' + ', '.join(values) elif 'items' in schema and 'enum' in schema['items']: values = list(schema['items']['enum']) if None in values: values.remove(None) row['values'] = 'Enum: ' + ', '.join(values) else: row['values'] = '' _add_deprecated(row, schema) return row