306 lines
9.4 KiB
Python
306 lines
9.4 KiB
Python
# Author: uPesy
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# License: AGPL v3
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# Project: https://github.com/uPesy/easyeda2kicad.py
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# Global imports
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from __future__ import annotations
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from dataclasses import dataclass
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import logging
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import os
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import requests
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import re
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import textwrap
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#
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import pprint
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import json
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import pickle
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API_ENDPOINT = "https://easyeda.com/api/products/{lcsc_id}/components?version=6.4.19.5"
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ENDPOINT_3D_MODEL = "https://easyeda.com/analyzer/api/3dmodel/{uuid}"
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VRML_HEADER = "#VRML V2.0 utf8\n# 3D model generated by KiBot (using easyeda2kicad.py code)\n"
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USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0'
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class EasyedaApi:
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def __init__(self) -> None:
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self.headers = {"Accept-Encoding": "gzip, deflate",
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"Accept": "application/json, text/javascript, */*; q=0.01",
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"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
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"User-Agent": USER_AGENT}
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def get_info_from_easyeda_api(self, lcsc_id: str) -> dict:
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r = requests.get(url=API_ENDPOINT.format(lcsc_id=lcsc_id), headers=self.headers)
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api_response = r.json()
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if not api_response or (
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"code" in api_response and api_response["success"] is False
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):
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logging.debug(f"{api_response}")
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return {}
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return r.json()
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def get_cad_data_of_component(self, lcsc_id: str) -> dict:
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cp_cad_info = self.get_info_from_easyeda_api(lcsc_id=lcsc_id)
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if cp_cad_info == {}:
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return {}
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return cp_cad_info["result"]
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def get_raw_3d_model_obj(self, uuid: str) -> str:
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r = requests.get(
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url=ENDPOINT_3D_MODEL.format(uuid=uuid),
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headers={"User-Agent": self.headers["User-Agent"]},
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)
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if r.status_code != requests.codes.ok:
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logging.error(f"No 3D model data found for uuid:{uuid} on easyeda")
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return None
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return r.content.decode()
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def convert_to_mm(dim: float) -> float:
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return float(dim) * 10 * 0.0254
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@dataclass
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class Ee3dModelBase:
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x: float = 0.0
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y: float = 0.0
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z: float = 0.0
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def convert_to_mm(self) -> None:
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self.x = convert_to_mm(self.x)
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self.y = convert_to_mm(self.y)
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self.z = convert_to_mm(self.z)
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@dataclass
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class Ee3dModel:
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name: str
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uuid: str
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translation: Ee3dModelBase
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rotation: Ee3dModelBase
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raw_obj: str = None
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def convert_to_mm(self) -> None:
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self.translation.convert_to_mm()
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# self.translation.z = self.translation.z
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@dataclass
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class Ki3dModelBase:
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x: float = 0.0
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y: float = 0.0
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z: float = 0.0
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@dataclass
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class Ki3dModel:
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name: str
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translation: Ki3dModelBase
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rotation: Ki3dModelBase
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raw_wrl: str = None
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class Easyeda3dModelImporter:
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def __init__(self, easyeda_cp_cad_data, download_raw_3d_model: bool):
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self.input = easyeda_cp_cad_data
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self.download_raw_3d_model = download_raw_3d_model
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self.output = self.create_3d_model()
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def create_3d_model(self):
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ee_data = (
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self.input["packageDetail"]["dataStr"]["shape"]
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if isinstance(self.input, dict)
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else self.input
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)
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if model_3d_info := self.get_3d_model_info(ee_data=ee_data):
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model_3d: Ee3dModel = self.parse_3d_model_info(info=model_3d_info)
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if self.download_raw_3d_model:
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model_3d.raw_obj = EasyedaApi().get_raw_3d_model_obj(uuid=model_3d.uuid)
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return model_3d
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logging.warning("No 3D model available for this component")
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return None
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def get_3d_model_info(self, ee_data: str) -> dict:
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for line in ee_data:
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ee_designator = line.split("~")[0]
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if ee_designator == "SVGNODE":
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raw_json = line.split("~")[1:][0]
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return json.loads(raw_json)["attrs"]
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return {}
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def parse_3d_model_info(self, info: dict):
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return Ee3dModel(
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name=info["title"],
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uuid=info["uuid"],
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translation=Ee3dModelBase(
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x=info["c_origin"].split(",")[0],
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y=info["c_origin"].split(",")[1],
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z=info["z"],
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),
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rotation=Ee3dModelBase(*(info["c_rotation"].split(","))),
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)
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def get_materials(obj_data: str) -> dict:
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material_regex = "newmtl .*?endmtl"
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matchs = re.findall(pattern=material_regex, string=obj_data, flags=re.DOTALL)
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materials = {}
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for match in matchs:
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material = {}
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for value in match.splitlines():
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if value.startswith("newmtl"):
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material_id = value.split(" ")[1]
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elif value.startswith("Ka"):
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material["ambient_color"] = value.split(" ")[1:]
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elif value.startswith("Kd"):
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material["diffuse_color"] = value.split(" ")[1:]
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elif value.startswith("Ks"):
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material["specular_color"] = value.split(" ")[1:]
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elif value.startswith("d"):
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material["transparency"] = value.split(" ")[1]
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materials[material_id] = material
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# logging.error(materials)
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return materials
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def get_vertices(obj_data: str) -> list:
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vertices_regex = "v (.*?)\n"
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matchs = re.findall(pattern=vertices_regex, string=obj_data, flags=re.DOTALL)
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return [
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" ".join([str(round(float(coord) / 2.54, 4)) for coord in vertice.split(" ")])
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for vertice in matchs
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]
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def generate_wrl_model(model_3d: Ee3dModel) -> Ki3dModel:
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materials = get_materials(obj_data=model_3d.raw_obj)
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vertices = get_vertices(obj_data=model_3d.raw_obj)
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raw_wrl = VRML_HEADER
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# Define all the materials
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for id, mat in materials.items():
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mat_str = textwrap.dedent(
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f"""
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Shape {{
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appearance Appearance {{
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material DEF MATERIAL_{id} Material {{
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ambientIntensity 0.2
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diffuseColor {' '.join(mat['diffuse_color'])}
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specularColor {' '.join(mat['specular_color'])}
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shininess 0.5
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transparency 0.0
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}}
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}}
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}}"""
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)
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raw_wrl += mat_str
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# Define the shapes
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shapes = model_3d.raw_obj.split("usemtl")[1:]
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for shape in shapes:
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lines = shape.splitlines()
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material_id = lines[0].replace(" ", "")
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material = materials[material_id]
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index_counter = 0
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link_dict = {}
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coord_index = []
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points = []
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for line in lines[1:]:
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if len(line) > 0:
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face = [int(index) for index in line.replace("//", "").split(" ")[1:]]
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face_index = []
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for index in face:
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if index not in link_dict:
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link_dict[index] = index_counter
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face_index.append(str(index_counter))
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points.append(vertices[index - 1])
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index_counter += 1
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else:
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face_index.append(str(link_dict[index]))
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face_index.append("-1")
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coord_index.append(",".join(face_index) + ",")
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points.insert(-1, points[-1])
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shape_str = textwrap.dedent(
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f"""
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Shape {{
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geometry IndexedFaceSet {{
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ccw TRUE
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solid FALSE
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coord DEF co Coordinate {{
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point [
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{(", ").join(points)}
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]
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}}
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coordIndex [
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{"".join(coord_index)}
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]
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}}
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appearance Appearance {{material USE MATERIAL_{material_id}}}
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}}"""
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)
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raw_wrl += shape_str
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return Ki3dModel(
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translation=None, rotation=None, name=model_3d.name, raw_wrl=raw_wrl
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)
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class Exporter3dModelKicad:
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def __init__(self, model_3d: Ee3dModel):
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self.input = model_3d
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self.output = (
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generate_wrl_model(model_3d=model_3d)
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if model_3d and model_3d.raw_obj
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else None
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)
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def export(self, lib_path: str) -> None:
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if self.output:
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with open(
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file=f"{lib_path}.3dshapes/{self.output.name}.wrl",
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mode="w",
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encoding="utf-8",
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) as my_lib:
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my_lib.write(self.output.raw_wrl)
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component_id = 'C2895617'
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#
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if False:
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a = EasyedaApi()
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res = a.get_cad_data_of_component(component_id)
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print(pprint.pformat(res))
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if not res:
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logging.error('Not found')
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exit(1)
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c = Easyeda3dModelImporter(res, True)
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# print("********************************************")
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# print(pprint.pformat(c.__dict__))
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with open('model.pkl', 'wb') as file:
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pickle.dump(c, file)
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else:
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with open('model.pkl', 'rb') as file:
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c = pickle.load(file)
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# print(pprint.pformat(c.__dict__))
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with open('model.obj', 'w') as file:
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file.write(c.output.raw_obj)
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exporter = Exporter3dModelKicad(model_3d=c.output)
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os.makedirs('a.3dshapes', exist_ok=True)
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exporter.export('a')
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if exporter.output:
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filename = f"{exporter.output.name}.wrl"
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lib_path = "a.3dshapes"
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logging.error(f"Created 3D model for ID: {component_id}\n"
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f" 3D model name: {exporter.output.name}\n"
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f" 3D model path: {os.path.join(lib_path, filename)}")
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