打印机忙后打印，只有重新启动才可以帮助您

问题描述

在我使用的项目中：

python == 3.8
openpyxl == 3.0.5
pywin32 == 228

有时用户会打电话给我，告诉他们他们将文档发送到打印机，但是无法打印。在打印机上出现标签-“忙”。仅在重启打印机后，工作才能进行得更远。我发布了创建Excel的打印函数和类。

def print_excel_file(printer_name,path_to_file):
    win32api.ShellExecute(
        0,'printto',path_to_file,'{}'.format(printer_name),'.',0
    )

from openpyxl import load_workbook
import os
import app_config as config
import printers.printers as p
from datetime import datetime
import shutil
import time


class EditExcelTemplate:
    def __init__(self,template_name):
        Now = datetime.Now()
        report_name = "_{}{}{}_{}{}{}_{}".format(Now.year,Now.month,Now.day,Now.hour,Now.minute,Now.second,Now.microsecond)
        self.report_path = config.EXCEL_REPORT_PATH.format(template_name +
                                                           report_name)

        shutil.copy(src=config.EXCEL_TEMPLATE_PATH.format(template_name),dst=self.report_path)

        # self.wb = load_workbook(filename=config.EXCEL_TEMPLATE_PATH.format(template_name))
        start_load = time.time()
        self.wb = load_workbook(filename=self.report_path,keep_links=False,keep_vba=False,data_only=True)
        end_load = time.time()
        print('WORKBOOK|{0}|LOADED|{1}'.format(self.report_path.split('\\')[-1],str(end_load - start_load)))
        self.ws = self.wb.active
        self.answer = {'file_name': template_name.upper()}

    def write_workbook(self,row_dest,column_dest,value):
        c = self.ws.cell(row=row_dest,column=column_dest)
        c.value = value

    def save_excel(self):
        self.wb.save(self.report_path)
        self.wb.close()

    def print_excel(self,printer_no):
        p.print_excel(printer_no=printer_no,path_to_file=self.report_path)

解决方法

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openpyxl printing python pywin32