Added support for Marshmallow schemas in responses

This commit is contained in:
Fabio Manganiello 2021-05-10 18:42:13 +02:00
parent 2f840200be
commit 69583d2e15
5 changed files with 70 additions and 0 deletions

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@ -0,0 +1,59 @@
import importlib
import json
import os
import re
import sys
from typing import Union, List
from docutils import nodes
from docutils.parsers.rst import Directive
class SchemaDirective(Directive):
"""
Support for response/message schemas in the docs. Format: ``.. schema:: rel_path.SchemaClass(arg1=value1, ...)``,
where ``rel_path`` is the path of the schema relative to ``platypush/schemas``.
"""
has_content = True
_schema_regex = re.compile(r'^\s*(.+?)\s*(\((.+?)\))?\s*$')
_schemas_path = os.path.abspath(
os.path.join(
os.path.dirname(os.path.relpath(__file__)), '..', '..', '..', 'platypush', 'schemas'))
sys.path.insert(0, _schemas_path)
@staticmethod
def _get_field_value(field) -> str:
metadata = getattr(field, 'metadata', {})
return metadata.get('example', metadata.get('description', str(field.__class__.__name__).lower()))
def _parse_schema(self) -> Union[dict, List[dict]]:
m = self._schema_regex.match('\n'.join(self.content))
schema_module_name = '.'.join(['platypush.schemas', *(m.group(1).split('.')[:-1])])
schema_module = importlib.import_module(schema_module_name)
schema_class = getattr(schema_module, m.group(1).split('.')[-1])
schema_args = eval(f'dict({m.group(3)})')
schema = schema_class(**schema_args)
output = {
name: self._get_field_value(field)
for name, field in schema.fields.items()
if not field.load_only
}
return [output] if schema.many else output
def run(self):
content = json.dumps(self._parse_schema(), sort_keys=True, indent=2)
block = nodes.literal_block(content, content)
block['language'] = 'json'
return [block]
def setup(app):
app.add_directive('schema', SchemaDirective)
return {
'version': '0.1',
'parallel_read_safe': True,
'parallel_write_safe': True,
}

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@ -18,6 +18,7 @@ import sys
# import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))
sys.path.insert(0, os.path.abspath("./_ext"))
# -- Project information -----------------------------------------------------
@ -50,6 +51,7 @@ extensions = [
'sphinx.ext.viewcode',
'sphinx.ext.githubpages',
'sphinx_rtd_theme',
'sphinx_marshmallow',
]
# Add any paths that contain templates here, relative to this directory.
@ -134,6 +136,11 @@ html_theme_options = {
'title': 'Firefox Extension',
'internal': False,
},
{
'href': 'https://f-droid.org/en/packages/tech.platypush.platypush/',
'title': 'Android App',
'internal': False,
},
],
}

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@ -8,6 +8,9 @@
# YAML configuration support
pyyaml
# Responses and schemas
marshmallow
# Support for setting thread/process name
# python-prctl

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@ -66,6 +66,7 @@ setup(
'python-dateutil',
'cryptography',
'pyjwt',
'marshmallow',
],
extras_require={