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GuangXin_Printer
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feat: 添加线程锁

This commit is contained in:
caoqianming 2025-09-10 16:08:51 +08:00
parent be409273bb
commit 78da5f3873
1 changed files with 43 additions and 32 deletions
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75
GxPrint.py
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@ -20,7 +20,8 @@ from pystray import MenuItem
import socket
import logging
from logging.handlers import RotatingFileHandler
import sys
import time
import threading
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
@ -142,43 +143,53 @@ def save_pdf_from_binary(pdf_binary, file_path):
with open(file_path, 'wb') as file:
file.write(pdf_binary)
request_lock = threading.Lock()
@app.route('/prints/', methods=['POST', 'OPTIONS'])
def str_printer():
if request.method == 'OPTIONS': # 跨域请求预检
return jsonify({"message": "OK"}), 200
print_commands = request.json.get('printer_commands', None)
print_name = request.json.get('printer_name', None)
tsclibrary = ctypes.WinDLL(".//TSCLIB.dll")
if not request_lock.acquire(timeout=30):
logger.warning("打印请求超时，系统繁忙")
return jsonify({
"err_msg": "系统繁忙，请稍后再试",
"err_code": "system_busy"
}), 503
try:
tsclibrary.openportW(print_name)
except Exception as e:
logger.error(f"打印机名称无效: {e}")
return jsonify({"err_msg": "打印机名称无效","err_code": "printer_name_error"}), 400
tsclibrary.clearbuffer()
try:
for item in print_commands:
if 'WINTEXT' in item:
item_list = item.replace('WINTEXT ', '').split(',')
tsclibrary.windowsfontW(
item_list[0],
item_list[1],
item_list[2],
item_list[3],
item_list[4],
item_list[5],
item_list[6],
item_list[7])
else:
tsclibrary.sendcommandW(item)
tsclibrary.closeport()
logger.info("打印成功")
except Exception as e:
logger.error(f"打印失败: {e}")
icon.notify(message=f"打印失败: {e}", title="标签打印")
return jsonify({"err_msg": "打印失败", "err_code": "print_failed"}), 500
return jsonify({}), 200
print_commands = request.json.get('printer_commands', None)
print_name = request.json.get('printer_name', None)
tsclibrary = ctypes.WinDLL(".//TSCLIB.dll")
try:
tsclibrary.openportW(print_name)
except Exception as e:
logger.error(f"打印机名称无效: {e}")
return jsonify({"err_msg": "打印机名称无效","err_code": "printer_name_error"}), 400
tsclibrary.clearbuffer()
try:
for item in print_commands:
if 'WINTEXT' in item:
item_list = item.replace('WINTEXT ', '').split(',')
tsclibrary.windowsfontW(
item_list[0],
item_list[1],
item_list[2],
item_list[3],
item_list[4],
item_list[5],
item_list[6],
item_list[7])
else:
tsclibrary.sendcommandW(item)
tsclibrary.closeport()
logger.info("打印成功")
except Exception as e:
logger.error(f"打印失败: {e}")
icon.notify(message=f"打印失败: {e}", title="标签打印")
return jsonify({"err_msg": "打印失败", "err_code": "print_failed"}), 500
return jsonify({}), 200
finally:
request_lock.release()
if __name__ == '__main__':