136 lines
3.4 KiB
Python
136 lines
3.4 KiB
Python
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import os
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from typing import Dict, List
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import re
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from jinja2.environment import Template
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sysPath = os.getcwd()
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protoAddress = f"{sysPath}/protobuf"
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tempPath = f"{sysPath}/storage/temp"
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daoPath = f"{sysPath}/storage/dao"
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class ProtoOption(object):
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def __init__(self, method: str) -> None:
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super().__init__()
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self.method = method
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self.option = []
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self.ret = []
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def add_option(self, opt: List[str]):
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self.option.extend(opt)
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def add_ret(self, opt: List[str]):
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self.ret.extend(opt)
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def __str__(self) -> str:
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req = ", ".join([f"{i[0]} {i[1]}" for i in self.option])
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resp = ", ".join([f"{i[0]} {i[1]}" for i in self.ret])
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return f"{self.method}({req})({resp})"
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def dist_to_ProOpt(req, resp) -> List[ProtoOption]:
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def parse_type(l: str) -> List[str]:
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l = l.strip()
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if l == "":
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return []
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opt = l.split(";")
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result = []
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for l_opt in opt:
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l_opt = l_opt.strip()
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l_list = l_opt.split()
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if len(l_list) == 0:
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continue
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val = l_list[0]
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if val == "BaseKey":
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val = "*proto.BaseKey"
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result.append([l_list[1].capitalize(), val])
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elif val == "repeated":
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val = f"[]{l_list[1]}"
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result.append([l_list[2].capitalize(), val])
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else:
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result.append([l_list[1].capitalize(), val])
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return result
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lists = []
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for key, value in req.items():
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p = ProtoOption(method=key)
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p.add_option(parse_type(value))
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p.add_ret(parse_type(resp.get(key, "")))
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lists.append(p)
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return lists
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def parse_protobuf_to_Opt(name: str) -> List[ProtoOption]:
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gather_req = re.compile(r'^(.*?)Request\s+{(.*?)}$')
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gather_resp = re.compile(r'^(.*?)Response\s+{(.*?)}$')
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with open(f"{protoAddress}/{name}", "r", encoding="utf-8") as fp:
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text = fp.read()
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text = re.sub(r'//.+', "", text) # 去掉注释
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text = text.replace("\n", "")
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result = text.split("message")[1:]
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reqDist = {}
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respDist = {}
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for r in result:
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req = gather_req.findall(r)
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resp = gather_resp.findall(r)
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if len(req) != 0:
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req = req[0]
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reqDist[req[0].strip()] = req[1].strip()
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if len(resp) != 0:
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resp = resp[0]
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respDist[resp[0].strip()] = resp[1].strip()
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return dist_to_ProOpt(reqDist, respDist)
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def load_protobuf() -> List[ProtoOption]:
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for _, _, file_name_list in os.walk(protoAddress):
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break
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li = []
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for name in file_name_list:
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if name.endswith("x.proto"):
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li.extend(parse_protobuf_to_Opt(name))
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return li
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def go_fmt(path: str):
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os.system(f"go fmt {path}")
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def load_template(name: str) -> str:
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with open(f"{tempPath}/{name}", "r", encoding="utf-8") as fp:
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return fp.read()
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def gen_dao_interface(proto):
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tem_text = load_template("dao.template")
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template = Template(tem_text)
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text = template.render(keys=proto)
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temp_path = f"{daoPath}/interface.gen.go"
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with open(temp_path, 'w', encoding='utf-8') as f:
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f.write(text)
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def format_code_go():
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go_fmt(f"{daoPath}/interface.gen.go")
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def main():
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# 加载 protobuf
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protobuf = load_protobuf()
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# 生成 dao 接口
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gen_dao_interface(protobuf)
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format_code_go()
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if __name__ == "__main__":
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main()
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