Skip to content

Fixes and updates #78

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
CristiFati wants to merge 7 commits into
base: master
Choose a base branch
from
Open

Fixes and updates #78

Changes from 1 commit
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
855150c
Minor: format and spacing
CristiFati Dec 3, 2021
21e19d2
Python 3 syntax
CristiFati Dec 3, 2021
a0f19d4
Define argtypes and restype for functions called via CTypes
CristiFati Dec 3, 2021
0b22e6e
'import *' is lame
CristiFati Dec 3, 2021
e6e28ba
Fix errors
CristiFati Dec 3, 2021
ffc457c
Some error handling + ReadPrinter code fix (didn't execute before)
CristiFati Dec 3, 2021
229c90b
Verbose output
CristiFati Dec 3, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Define argtypes and restype for functions called via CTypes
  • Loading branch information
@CristiFati
CristiFati committed Dec 3, 2021
commit a0f19d4df002a9dd0b8b137fa452d77b57ef8921
25 changes: 23 additions & 2 deletions recipes/Python/305690_Enumerate_printer_job/recipe-305690.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
import time
from ctypes import *
from ctypes import wintypes as wt


"""
This script enumerates printer jobs from a specified default printer. This information includes Jobid, Document name,
Expand All @@ -18,8 +20,27 @@
license GPL

"""

LPPRINTER_DEFAULTS = wt.LPVOID

ws = WinDLL("winspool.drv")

ws.ClosePrinter.argtypes = (wt.HANDLE,)
ws.ClosePrinter.restype = wt.BOOL

ws.EnumJobsA.argtypes = (wt.HANDLE, wt.DWORD, wt.DWORD, wt.DWORD, wt.LPBYTE, wt.DWORD, wt.LPDWORD, wt.LPDWORD)
ws.EnumJobsA.restype = wt.BOOL

ws.GetDefaultPrinterA.argtypes = (wt.LPSTR, wt.LPDWORD)
ws.GetDefaultPrinterA.restype = wt.BOOL

ws.OpenPrinterA.argtypes = (wt.LPSTR, POINTER(wt.HANDLE), LPPRINTER_DEFAULTS)
ws.OpenPrinterA.restype = wt.BOOL

ws.ReadPrinter.argtypes = (wt.HANDLE, wt.LPVOID, wt.DWORD, wt.LPDWORD)
ws.ReadPrinter.restype = wt.BOOL


#-- Job Status meaning
JOB_STATUS_PAUSED = 0x00000001
JOB_STATUS_ERROR = 0x00000002
Expand Down Expand Up @@ -130,7 +151,7 @@ def ReadPrinterData(self, hPrinter):

def GetDefaultPrinter(self):
#-- Get the default printer
plen = c_long()
plen = wt.DWORD()
ret = ws.GetDefaultPrinterA(None, byref(plen))
pname = c_buffer(plen.value)
ret = ws.GetDefaultPrinterA(pname, byref(plen))
Expand All @@ -140,7 +161,7 @@ def OpenPrinter(self, prtname = None):
#-- Let open our printer
if prtname == None:
self.prtname = self.GetDefaultPrinter()
self.handle = c_ulong()
self.handle = wt.HANDLE()
ret = ws.OpenPrinterA(self.prtname, byref(self.handle), None)
return self.handle

Expand Down