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import os
import pathlib
import time
import traceback
import uuid
from concurrent import futures
import grpc
from proto_py import word2pdf_pb2, word2pdf_pb2_grpc
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
_HOST = os.environ.get("HOSTNAME", "localhost")
_PORT = '8080'
class FormatData(word2pdf_pb2_grpc.FormatDataServicer):
def DoFormat(self, request, context):
"""
proto 定义方法
:param request:
:param context:
:return:
"""
data = request.text
doc_path, pdf_path, pdf_file_path = self.get_doc_pdf_path()
with open(doc_path, "wb") as f:
f.write(data)
if self.word2pdf_linux(doc_path, pdf_path):
try:
with open(pdf_file_path, "rb") as f:
pdf_data = f.read()
except:
traceback.format_exc()
else:
pdf_data = b"fail"
return word2pdf_pb2.Data(text=pdf_data)
def get_doc_pdf_path(self):
"""
获取文件路径
:return:
"""
baseDir = os.getcwd()
p = pathlib.Path(baseDir)
u_name = str(uuid.uuid4()).replace("-", "")
doc_name = u_name + ".docx"
pdf_name = u_name + ".pdf"
pdf_path = p / f"filepath/pdf/"
doc_path = p / f"filepath/doc/{doc_name}"
pdf_file_path = p / f"filepath/pdf/{pdf_name}"
print(doc_path, pdf_path, pdf_file_path)
return rf"{doc_path}", rf"{pdf_path}", rf"{pdf_file_path}"
def word2pdf_win(self, doc_path, pdf_path):
"""
windows 生成
:param doc_path:
:param pdf_path:
:return:
"""
from win32com import client
import pythoncom
pythoncom.CoInitialize()
word = client.DispatchEx("Word.Application")
worddoc = word.Documents.Open(doc_path)
try:
worddoc.SaveAs(pdf_path, FileFormat=17)
except Exception as e:
print(e)
return False
finally:
worddoc.Close()
return True
def word2pdf_linux(self, doc_path, pdf_path):
"""
linux 生成 pdf ,利用 libreoffice 命令
:param doc_path:
:param pdf_path:
:return:
"""
try:
os.system(f"soffice --headless --invisible --convert-to pdf {doc_path} --outdir {pdf_path} ")
except:
traceback.format_exc()
return False
return True
def serve():
"""
rpc 服务
:return:
"""
grpcServer = grpc.server(futures.ThreadPoolExecutor(max_workers=4))
word2pdf_pb2_grpc.add_FormatDataServicer_to_server(FormatData(), grpcServer)
grpcServer.add_insecure_port(_HOST + ':' + _PORT)
grpcServer.start()
try:
while True:
time.sleep(_ONE_DAY_IN_SECONDS)
except KeyboardInterrupt:
grpcServer.stop(0)
if __name__ == '__main__':
serve()
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