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117 lines
4.3 KiB
Python
117 lines
4.3 KiB
Python
from .draft06 import CodeGeneratorDraft06
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class CodeGeneratorDraft07(CodeGeneratorDraft06):
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FORMAT_REGEXS = dict(CodeGeneratorDraft06.FORMAT_REGEXS, **{
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'date': r'^(?P<year>\d{4})-(?P<month>(0[1-9]|1[0-2]))-(?P<day>(0[1-9]|[12]\d|3[01]))\Z',
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'iri': r'^\w+:(\/?\/?)[^\s]+\Z',
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'iri-reference': r'^(\w+:(\/?\/?))?[^#\\\s]*(#[^\\\s]*)?\Z',
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'idn-email': r'^[^@]+@[^@]+\.[^@]+\Z',
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'idn-hostname': r'^(?!-)(xn--)?[a-zA-Z0-9][a-zA-Z0-9-_]{0,61}[a-zA-Z0-9]{0,1}\.(?!-)(xn--)?([a-zA-Z0-9\-]{1,50}|[a-zA-Z0-9-]{1,30}\.[a-zA-Z]{2,})$',
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'relative-json-pointer': r'^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)\Z',
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#'regex': r'',
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'time': (
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r'^(?P<hour>\d{1,2}):(?P<minute>\d{1,2})'
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r'(?::(?P<second>\d{1,2})(?:\.(?P<microsecond>\d{1,6}))?'
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r'([zZ]|[+-]\d\d:\d\d)?)?\Z'
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),
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})
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def __init__(self, definition, resolver=None, formats={}, use_default=True, use_formats=True, detailed_exceptions=True):
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super().__init__(definition, resolver, formats, use_default, use_formats, detailed_exceptions)
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# pylint: disable=duplicate-code
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self._json_keywords_to_function.update((
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('if', self.generate_if_then_else),
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('contentEncoding', self.generate_content_encoding),
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('contentMediaType', self.generate_content_media_type),
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))
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def generate_if_then_else(self):
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"""
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Implementation of if-then-else.
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.. code-block:: python
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{
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'if': {
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'exclusiveMaximum': 0,
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},
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'then': {
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'minimum': -10,
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},
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'else': {
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'multipleOf': 2,
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},
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}
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Valid values are any between -10 and 0 or any multiplication of two.
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"""
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with self.l('try:', optimize=False):
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self.generate_func_code_block(
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self._definition['if'],
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self._variable,
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self._variable_name,
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clear_variables=True
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)
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with self.l('except JsonSchemaValueException:'):
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if 'else' in self._definition:
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self.generate_func_code_block(
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self._definition['else'],
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self._variable,
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self._variable_name,
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clear_variables=True
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)
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else:
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self.l('pass')
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if 'then' in self._definition:
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with self.l('else:'):
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self.generate_func_code_block(
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self._definition['then'],
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self._variable,
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self._variable_name,
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clear_variables=True
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)
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def generate_content_encoding(self):
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"""
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Means decoding value when it's encoded by base64.
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.. code-block:: python
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{
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'contentEncoding': 'base64',
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}
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"""
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if self._definition['contentEncoding'] == 'base64':
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with self.l('if isinstance({variable}, str):'):
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with self.l('try:'):
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self.l('import base64')
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self.l('{variable} = base64.b64decode({variable})')
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with self.l('except Exception:'):
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self.exc('{name} must be encoded by base64')
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with self.l('if {variable} == "":'):
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self.exc('contentEncoding must be base64')
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def generate_content_media_type(self):
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"""
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Means loading value when it's specified as JSON.
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.. code-block:: python
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{
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'contentMediaType': 'application/json',
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}
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"""
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if self._definition['contentMediaType'] == 'application/json':
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with self.l('if isinstance({variable}, bytes):'):
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with self.l('try:'):
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self.l('{variable} = {variable}.decode("utf-8")')
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with self.l('except Exception:'):
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self.exc('{name} must encoded by utf8')
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with self.l('if isinstance({variable}, str):'):
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with self.l('try:'):
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self.l('import json')
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self.l('{variable} = json.loads({variable})')
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with self.l('except Exception:'):
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self.exc('{name} must be valid JSON')
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