Files
kittycad.py/generate/generate.py
Jess Frazelle 32479cfe2a add types
Signed-off-by: Jess Frazelle <github@jessfraz.com>
2022-02-27 19:58:46 -08:00

299 lines
12 KiB
Python
Executable File

#!/usr/bin/env python3
from openapi_parser.parser.loader import OpenApiParser
import os
import re
package_name = 'kittycad'
def main():
cwd = os.getcwd()
path = os.path.join(cwd, 'spec.json')
print("opening spec file: ", path)
parser = OpenApiParser.open(path)
# Ignore the security definitions.
parser.load_metadata()
parser.load_schemas()
parser.load_path_items()
# Generate the types.
generateTypes(cwd, parser)
# Generate the paths.
def generateTypes(cwd: str, parser: OpenApiParser):
# Make sure we have the directory.
path = os.path.join(cwd, 'kittycad', 'models')
os.makedirs(path, exist_ok=True)
# Generate the types.
data = parser.data
schemas = data['components']['schemas']
for key in schemas:
schema = schemas[key]
generateType(path, key, schema)
def generateType(path: str, name: str, schema: dict):
# Generate the type.
file_name = camel_to_snake(name) + '.py'
file_path = os.path.join(path, file_name)
type_name = schema['type']
print("generating type: ", name, " at: ", file_path)
print(" schema: ", [schema])
f = open(file_path, "w")
if type_name == 'object':
has_date_time = hasDateTime(schema)
if has_date_time:
f.write("import datetime\n")
f.write("from typing import Any, Dict, List, Type, TypeVar, Union\n")
f.write("\n")
f.write("import attr\n")
if has_date_time:
f.write("from dateutil.parser import isoparse\n")
f.write("\n")
refs = getRefs(schema)
for ref in refs:
f.write("from ..models."+camel_to_snake(ref)+" import "+ref+"\n")
f.write("from ..types import UNSET, Unset\n")
f.write("\n")
f.write("T = TypeVar(\"T\", bound=\""+name+"\")\n")
f.write("\n")
f.write("@attr.s(auto_attribs=True)\n")
f.write("class "+name+":\n")
# Write the description.
f.write("\t\"\"\" \"\"\"\n")
# Iterate over the properties.
for property_name in schema['properties']:
property_schema = schema['properties'][property_name]
if 'type' in property_schema:
property_type = property_schema['type']
# Write the property.
if property_type == 'string':
if 'format' in property_schema:
if property_schema['format'] == 'date-time':
f.write("\t"+property_name+": Union[Unset, datetime.datetime] = UNSET\n")
continue
f.write("\t"+property_name+": Union[Unset, str] = UNSET\n")
elif property_type == 'integer':
f.write("\t"+property_name+": Union[Unset, int] = UNSET\n")
elif property_type == 'number':
f.write("\t"+property_name+": Union[Unset, float] = UNSET\n")
elif property_type == 'boolean':
f.write("\t"+property_name+": Union[Unset, bool] = False\n")
else:
print(" unknown type: ", property_type)
elif '$ref' in property_schema:
ref = property_schema['$ref'].replace('#/components/schemas/', '')
f.write("\t"+property_name+": Union[Unset, "+ref+"] = UNSET\n")
else:
print(" unknown schema: ", property_schema)
# Finish writing the class.
f.write("\n")
f.write("\tadditional_properties: Dict[str, Any] = attr.ib(init=False, factory=dict)\n")
# Now let's write the to_dict method.
f.write("\n")
f.write("\tdef to_dict(self) -> Dict[str, Any]:\n")
# Iternate over the properties.
for property_name in schema['properties']:
property_schema = schema['properties'][property_name]
if 'type' in property_schema:
property_type = property_schema['type']
# Write the property.
if property_type == 'string':
if 'format' in property_schema:
if property_schema['format'] == 'date-time':
f.write("\t\t"+property_name+": Union[Unset, str] = UNSET\n")
f.write("\t\tif not isinstance(self."+property_name+", Unset):\n")
f.write("\t\t\t"+property_name+" = self."+property_name+".isoformat()\n")
continue
f.write("\t"+property_name+" = self."+property_name+"\n")
elif property_type == 'integer':
f.write("\t"+property_name+" = self."+property_name+"\n")
elif property_type == 'number':
f.write("\t"+property_name+" = self."+property_name+"\n")
elif property_type == 'boolean':
f.write("\t"+property_name+" = self."+property_name+"\n")
else:
print(" unknown type: ", property_type)
elif '$ref' in property_schema:
ref = property_schema['$ref'].replace('#/components/schemas/', '')
f.write("\t\t"+property_name+": Union[Unset, str] = UNSET\n")
f.write("\t\tif not isinstance(self."+property_name+", Unset):\n")
f.write("\t\t\t"+property_name+" = self."+property_name+".value\n")
else:
print(" unknown schema: ", property_schema)
# Finish writing the to_dict method.
f.write("\n")
f.write("\t\tfield_dict: Dict[str, Any] = {}\n")
f.write("\t\tfield_dict.update(self.additional_properties)\n")
f.write("\t\tfield_dict.update({})\n")
# Iternate over the properties.
for property_name in schema['properties']:
# Write the property.
f.write("\t\tif "+property_name+" is not UNSET:\n")
f.write("\t\t\tfield_dict['"+property_name+"'] = "+property_name+"\n")
f.write("\n")
f.write("\t\treturn field_dict\n")
# Now let's write the from_dict method.
f.write("\n")
f.write("\t@classmethod\n")
f.write("\tdef from_dict(cls: Type[T], src_dict: Dict[str, Any]) -> T:\n")
f.write("\t\td = src_dict.copy()\n")
# Iternate over the properties.
for property_name in schema['properties']:
property_schema = schema['properties'][property_name]
if 'type' in property_schema:
property_type = property_schema['type']
# Write the property.
if property_type == 'string':
if 'format' in property_schema:
if property_schema['format'] == 'date-time':
f.write("\t\t_"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\t\t"+property_name+": Union[Unset, datetime.datetime]\n")
f.write("\t\tif not isinstance(_"+property_name+", Unset):\n")
f.write("\t\t\t"+property_name+" = UNSET\n")
f.write("\t\telse:\n")
f.write("\t\t\t"+property_name+" = isoparse(_"+property_name+")\n")
f.write("\n")
continue
f.write("\t"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\n")
elif property_type == 'integer':
f.write("\t"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\n")
elif property_type == 'number':
f.write("\t"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\n")
elif property_type == 'boolean':
f.write("\t"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\n")
else:
print(" unknown type: ", property_type)
elif '$ref' in property_schema:
ref = property_schema['$ref'].replace('#/components/schemas/', '')
f.write("\t\t_"+property_name+" = d.pop(\"" +property_name+"\", UNSET)\n")
f.write("\t\t"+property_name+": Union[Unset, "+ref+"]\n")
f.write("\t\tif not isinstance(_"+property_name+", Unset):\n")
f.write("\t\t\t"+property_name+" = UNSET\n")
f.write("\t\telse:\n")
f.write("\t\t\t"+property_name+" = "+ref+"(_"+property_name+")\n")
f.write("\n")
else:
print(" unknown schema: ", property_schema)
# Finish writing the from_dict method.
f.write("\n")
f.write("\t\t"+camel_to_snake(name)+" = cls(\n")
# Iternate over the properties.
for property_name in schema['properties']:
# Write the property.
f.write("\t\t\t"+property_name+"= "+property_name+",\n")
# Close the class.
f.write("\t\t)\n")
f.write("\n")
f.write("\t\t"+camel_to_snake(name)+".additional_properties = d\n")
f.write("return "+camel_to_snake(name)+"\n")
# write the rest of the class.
f.write("\n")
f.write("\t@property\n")
f.write("\tdef additional_keys(self) -> List[str]:\n")
f.write("\t\treturn list(self.additional_properties.keys())\n")
f.write("\n")
f.write("\tdef __getitem__(self, key: str) -> Any:\n")
f.write("\t\treturn self.additional_properties[key]\n")
f.write("\n")
f.write("\tdef __setitem__(self, key: str, value: Any) -> None:\n")
f.write("\t\tself.additional_properties[key] = value\n")
f.write("\n")
f.write("\tdef __delitem__(self, key: str) -> None:\n")
f.write("\t\tdel self.additional_properties[key]\n")
f.write("\n")
f.write("\tdef __contains__(self, key: str) -> bool:\n")
f.write("\t\treturn key in self.additional_properties\n")
elif type_name == 'string' and 'enum' in schema:
f.write("from enum import Enum\n")
f.write("\n")
f.write("class "+name+"(str, Enum):\n")
# Iterate over the properties.
for value in schema['enum']:
f.write("\t"+camel_to_screaming_snake(value)+" = '"+value+"'\n")
# close the enum.
f.write("\n")
f.write("\tdef __str__(self) -> str:\n")
f.write("\t\treturn str(self.value)\n")
else:
print(" unsupported type: ", type_name)
return
def hasDateTime(schema: dict) -> bool:
# Generate the type.
if 'type' in schema:
type_name = schema['type']
if type_name == 'object':
# Iternate over the properties.
for property_name in schema['properties']:
property_schema = schema['properties'][property_name]
has_date_time = hasDateTime(property_schema)
if has_date_time:
return True
elif type_name == 'string' and 'format' in schema:
if schema['format'] == 'date-time':
return True
return False
def getRefs(schema: dict) -> [str]:
refs = []
if '$ref' in schema:
refs.append(schema['$ref'].replace('#/components/schemas/', ''))
else:
# Generate the type.
type_name = schema['type']
if type_name == 'object':
# Iternate over the properties.
for property_name in schema['properties']:
property_schema = schema['properties'][property_name]
schema_refs = getRefs(property_schema)
for ref in schema_refs:
if ref not in refs:
refs.append(ref)
return refs
def camel_to_snake(name: str):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()
def camel_to_screaming_snake(name: str):
name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).upper()
if (__name__ == '__main__'):
exit_code = main()
exit(exit_code)