python Programming Glossary: os.dup2

http://stackoverflow.com/questions/1423345/can-i-run-a-python-script-as-a-service

null' 'r' so open out_log 'a ' 0 se open err_log 'a ' 0 os.dup2 si.fileno sys.stdin.fileno os.dup2 so.fileno sys.stdout.fileno.. se open err_log 'a ' 0 os.dup2 si.fileno sys.stdin.fileno os.dup2 so.fileno sys.stdout.fileno os.dup2 se.fileno sys.stderr.fileno.. sys.stdin.fileno os.dup2 so.fileno sys.stdout.fileno os.dup2 se.fileno sys.stderr.fileno except Exception e sys.stderr.write..

How do I prevent a C shared library to print on stdout in python?

http://stackoverflow.com/questions/5081657/how-do-i-prevent-a-c-shared-library-to-print-on-stdout-in-python

open ' dev null' 'w' oldstdout os.dup sys.stdout.fileno os.dup2 devnull.fileno 1 # We still pretend this is a call to my library.. pretend this is a call to my library libc.printf hello n os.dup2 oldstdout 1 This one also fails to prevent hello from printing... def _redirect_stdout to sys.stdout.close # implicit flush os.dup2 to.fileno fd # fd writes to 'to' file sys.stdout os.fdopen fd..

How do I duplicate sys.stdout to a log file in python?

http://stackoverflow.com/questions/616645/how-do-i-duplicate-sys-stdout-to-a-log-file-in-python

all output goes to the log. Daemon mode works great using os.dup2 . I can't find a way to tee all output to a log in interactive.. # redirect stdout and stderr to the log file opened above os.dup2 so.fileno sys.stdout.fileno os.dup2 se.fileno sys.stderr.fileno.. log file opened above os.dup2 so.fileno sys.stdout.fileno os.dup2 se.fileno sys.stderr.fileno The nice thing about this is that..

Redirect stdout from python for C calls

http://stackoverflow.com/questions/8804893/redirect-stdout-from-python-for-c-calls

os.dup 1 5. devnull os.open ' dev null' os.O_WRONLY 6. os.dup2 devnull 1 7. os.close devnull 8. sys.stdout os.fdopen newstdout.. # and overwrite the value for stdout file descriptor 1 os.dup2 devnull 1 # Close devnull after duplication no longer needed..

spawning process from python

http://stackoverflow.com/questions/972362/spawning-process-from-python

dev null os.open os.devnull os.O_RDWR # standard input 0 os.dup2 0 1 os.dup2 0 2 # and finally let's execute the executable for.. os.devnull os.O_RDWR # standard input 0 os.dup2 0 1 os.dup2 0 2 # and finally let's execute the executable for the daemon..

Redirecting FORTRAN (called via F2PY) output in Python

http://stackoverflow.com/questions/977840/redirecting-fortran-called-via-f2py-output-in-python

tuple save os.dup 1 os.dup 2 # put dev null fds on 1 and 2 os.dup2 null_fds 0 1 os.dup2 null_fds 1 2 # run the function fortran_function.. 2 # put dev null fds on 1 and 2 os.dup2 null_fds 0 1 os.dup2 null_fds 1 2 # run the function fortran_function # restore file.. # restore file descriptors so I can print the results os.dup2 save 0 1 os.dup2 save 1 2 # close the temporary fds os.close..