> >>> "mhenry1384" <[EMAIL PROTECTED]> 08/16/05 11:48 PM >>>
> I am trying to run a program and filter the output on Windows XP.
> Since I want to filter the output, I'd like to read it a line at a time
> and only print the lines I care about.
>
> p = subprocess.Popen(["doxygen.exe", r"Doxyfile.cfg"],
> stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
Install pywin32 .
Use:
read(p.stdout, SIZE)
read(p.stderr, SIZE)
Having defined read() as the below. The subprocess generally still
needs to flush stdout and stderr.
- Josiah
import msvcrt
import pywintypes
from win32file import ReadFile
from win32pipe import PeekNamedPipe
def read(stdout_or_stderr, maxsize):
try:
x = msvcrt.get_osfhandle(stdout_or_stderr.fileno())
(read, nAvail, nMessage) = PeekNamedPipe(x, 0)
if maxsize < nAvail:
nAvail = maxsize
if nAvail > 0:
(errCode, read) = ReadFile(x, nAvail, None)
except pywintypes.error, e:
errno = e.args[0]
if errno == 109: # other end disconnected
stdout_or_stderr.close()
else:
raise
return read
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