有没有办法追踪robocopy的进度

时间:2018-12-21 13:34:09

标签: python tkinter subprocess robocopy

我用tkinter制作了进度条。我正在尝试让进度条跟踪复制进度。有没有办法查看自动复制的进度并将其用于进度条?

我知道可以通过计算源目录的大小然后检查目标目录的大小来解决。它确实有效,但是我无法检查robocopy是否跳过了任何内容,然后进度条将永远持续下去。

我将此代码用于robocopy:

subprocess.call(["robocopy", os.path.dirname(file_path), new_destination, filename[0], "/V", "/ETA", "/W:3", "/R:3",
                          "/TEE", "/LOG+:" +
                          new_destination + "copy.log"])

如果可能的话,我想用robocopy输出中的进度更新进度条,如果不可能,那是一种检查robocopy是否完成的方法。

谢谢!

1 个答案:

答案 0 :(得分:0)

首先,当我按下一个按钮并选择了要复制的文件/目录时,我检查了它们的总大小。我将其保存,并将进度条的最大值设置为总大小。然后执行start_calc方法。

for item in self.file_and_directory_list:
            folder = ""
            my_file = ""
            if os.path.isdir(item):
                folder = item
            else:
                my_file = item

            if folder != "":
                print("folder")
                for (path, dirs, files) in os.walk(folder):
                    for file in files:
                        filename = os.path.join(path, file)
                        folder_size += os.path.getsize(filename)
            else:
                folder_size += os.path.getsize(item)

        if os.path.exists(new_destination):
            for (path, dirs, files) in os.walk(new_destination):
                for file in files:
                    filename = os.path.join(path, file)
                    folder_size += os.path.getsize(filename)

        processing_bar_copy_files["maximum"] = folder_size

        processing_bar_copy_files["value"] = 0

        threading.Thread(target=self.start_calc, args=(folder_size, new_destination)).start()   

start_calc方法,我在其中计算目标目录的大小,并检查它是否比源目录小。如果较小,则进度条的值将设置为目标目录的大小:

def start_calc(self, source_folder_size, new_destination):
    folder = new_destination
    dest_folder_size = 0

    try:
        for (path, dirs, files) in os.walk(folder):
            for file in files:
                filename = os.path.join(path, file)
                dest_folder_size += os.path.getsize(filename)
    except Exception as error:
        tkinter.messagebox.showerror(f"Er is iets fout gegaan:\n{error}")
    finally:
        if processing_bar_copy_files["value"] < processing_bar_copy_files["maximum"]:
            processing_bar_copy_files["value"] = dest_folder_size
            progress_percentage = (processing_bar_copy_files["value"] / processing_bar_copy_files["maximum"]) * 100
            progress_text_var.set(str("{:.1f}".format(progress_percentage) + "%"))
            self.size = dest_folder_size
            window.after(500, self.start_calc, source_folder_size, new_destination)

如果文件复制完成,进度条将被删除并停止,并将按钮放回原位。