我正在尝试使用模块
win32print
从 Python 打印 pdf 文件,但我可以打印成功的唯一方法是文本。
hPrinter = win32print.OpenPrinter("\\\\Server\Printer")
filename = "test.pdf"
try:
hJob = win32print.StartDocPrinter(hPrinter, 1, ('PrintJobName', None, 'RAW'))
try:
win32api.ShellExecute(0, "print", filename, None, ".", 0)
win32print.StartPagePrinter(hPrinter)
win32print.WritePrinter(hPrinter, "test") # Instead of raw text is there a way to print PDF File ?
win32print.EndPagePrinter(hPrinter)
finally:
win32print.EndDocPrinter(hPrinter)
finally:
win32print.ClosePrinter(hPrinter)
因此,我需要打印“test.pdf”文件,而不是打印文本。
我也尝试过使用
win32api.ShellExecute(0, "print", filename, None, ".", 0)
但它不起作用,经过一些测试(例如(getprinter,getdefault,setprinter,setdefaultprinter))它似乎没有连接打印机。所以这样我就没法工作了。
这是我使用的代码!
win32print.SetDefaultPrinter(hPrinter)
win32api.ShellExecute(0, "print", filename, None, ".", 0)
我想要一个能够每天打印大约 100 个 pdf 文件的解决方案 每约 200 页长。文件存储在特定目录中。
import win32api
import win32print
from glob import glob
# A List containing the system printers
all_printers = [printer[2] for printer in win32print.EnumPrinters(2)]
# Ask the user to select a printer
printer_num = int(input("Choose a printer:\n"+"\n".join([f"{n} {p}" for n, p in enumerate(all_printers)])+"\n"))
# set the default printer
win32print.SetDefaultPrinter(all_printers[printer_num])
pdf_dir = "D:/path/to/pdf_dir/**/*"
for f in glob(pdf_dir, recursive=True):
win32api.ShellExecute(0, "print", f, None, ".", 0)
input("press any key to exit")
备注:
虽然不是直接回答问题,但我无法抗拒使用
tkinter
制作 GUI 的机会。可以轻松更改它以选择一个目录 - 以及其中的所有文件 - 而不是单个文件。
import win32api
import win32print
import traceback
from tkinter.filedialog import askopenfilename
from tkinter import *
from tkinter import font # * doesn't import font or messagebox
from tkinter import messagebox
root = Tk()
root.title("Python Printer")
root.geometry("410x310")
root.resizable(False, False)
root.tk.call('encoding', 'system', 'utf-8')
def font_size(fs):
return font.Font(family='Helvetica', size=fs, weight='bold')
# Add a grid
mainframe = Frame(root)
#mainframe.grid(column=0,row=0, sticky=(N,W,E,S) )
mainframe.grid(column=0,row=0, sticky=(N) )
mainframe.columnconfigure(0, weight = 1)
mainframe.rowconfigure(0, weight = 1)
mainframe.pack(pady = 10, padx = 0)
# Create a _printer variable
_printer = StringVar(root)
# Create a _color variable
_color = StringVar(root)
_filename = ""
# on change dropdown value
def sel_printer(*args):
print( _printer.get() )
# link function to change dropdown
_printer.trace('w', sel_printer)
def sel_color(*args):
print( _color.get() )
# link function to change dropdown
_color.trace('w', sel_color)
def UploadAction(event=None):
global _filename
# _filename = filedialog.askopenfilename() - pre python 3.6.8
_filename = askopenfilename() # post python 3.6.8
#print('Selected:', _filename)
def PrintAction(event=None):
PRINTER_DEFAULTS = {"DesiredAccess":win32print.PRINTER_ALL_ACCESS}
pHandle = win32print.OpenPrinter(_printer.get(), PRINTER_DEFAULTS)
properties = win32print.GetPrinter(pHandle, 2)
properties['pDevMode'].Color = 1 if str(_color.get()) == "Color" else 2
properties['pDevMode'].Copies = 1
win32print.SetPrinter(pHandle, 2, properties, 0)
if not _filename:
messagebox.showerror("Error", "No File Selected")
return
elif not _printer.get():
messagebox.showerror("Error", "No Printer Selected")
return
try:
#win32print.SetDefaultPrinter(_printer.get())
win32api.ShellExecute(0, "print", _filename, None, ".", 0)
win32print.ClosePrinter(pHandle)
except:
pass
messagebox.showerror("Error", "There was an error printing the file :(")
choices = [printer[2] for printer in win32print.EnumPrinters(2)]
_printer.set(win32print.GetDefaultPrinter()) # set the default option
popupMenu = OptionMenu(mainframe, _printer, *choices)
popupMenu['font'] = font_size(12)
Label(mainframe, text="SELECT PRINTER").grid(row = 1, column = 1)
popupMenu.grid(row = 2, column =1)
# Dictionary with options
choices = ["COLOR", "MONOCHROME"]
_color.set("COLOR") # set the default option
popupMenu2 = OptionMenu(mainframe, _color, *choices)
popupMenu2['font'] = font_size(12)
Label(mainframe, text="COLOR MODE").grid(row = 3, column = 1)
popupMenu2.grid(row = 4, column =1)
Label(mainframe, text="SELECT FILE").grid(row = 5, column = 1)
button = Button(mainframe, text=u"\uD83D\uDCC1" ' BROWSE', command=UploadAction)
button['font'] = font_size(12)
button.grid(row = 6, column =1)
_copies = IntVar()
_copies.set(1)
def copies_increase(event=None):
_copies.set(_copies.get() + 1)
def copies_decrease(event=None):
_copies.set(_copies.get() - 1)
if _copies.get() < 1 :
_copies.set(1)
Label(mainframe, textvariable=_copies).grid(columnspan=2)
button_frame = Frame(mainframe)
button_frame.grid(columnspan=2)
dec_button = Button(button_frame, text=u"\u2212", command=copies_decrease, fg="dark green", bg = "white", height=1, width=3 )
dec_button['font'] = font_size(10)
inc_button = Button(button_frame, text=u"\uFF0B", command=copies_increase, fg="dark green", bg = "white", height=1, width=3 )
inc_button['font'] = font_size(10)
button_frame.columnconfigure(0, weight=1)
button_frame.columnconfigure(1, weight=1)
dec_button.grid(row=0, column=0, sticky=W+E)
inc_button.grid(row=0, column=1, sticky=W+E)
Label(mainframe).grid(row = 10, column = 1)
p_button = Button(mainframe, text=u'\uD83D\uDDB6' + " PRINT", command=PrintAction, fg="dark green", bg = "white")
p_button['font'] = font_size(18)
p_button.grid(row = 11, column =1)
root.mainloop()
来源:
PS:我可能不会赢得赏金,但我确实很喜欢制作 GUI。
tkinter
布局是最难的部分!
编辑:截至 2024 年,导入
from tkinter.filedialog import askopenfilename
的用法为 askopenfilename
;不是filedialog.askopenfilename
。这似乎在 Python 3.6.8+ 版本的某个时候发生了变化。
这是我使用过的代码,它工作正常。
name = win32print.GetDefaultPrinter() # verify that it matches with the name of your printer
printdefaults = {"DesiredAccess": win32print.PRINTER_ALL_ACCESS} # Doesn't work with PRINTER_ACCESS_USE
handle = win32print.OpenPrinter(name, printdefaults)
level = 2
attributes = win32print.GetPrinter(handle, level)
#attributes['pDevMode'].Duplex = 1 #no flip
#attributes['pDevMode'].Duplex = 2 #flip up
attributes['pDevMode'].Duplex = 3 #flip over
win32print.SetPrinter(handle, level, attributes, 0)
win32print.GetPrinter(handle, level)['pDevMode'].Duplex
win32api.ShellExecute(0,'print','manual1.pdf','.','/manualstoprint',0)
你可以试试
win32print.SetDefaultPrinter("\\\\Server\Printer")
此方法接受一个字符串,而不是您尝试传递它的打印机对象。