111 lines
2.3 KiB
Python
111 lines
2.3 KiB
Python
|
"""quietconsole - A module to keep console I/O quiet but dump it when needed"""
|
||
|
|
import types
|
||
|
|
import sys
|
||
|
|
|
||
|
|
class _PseudoStdin:
|
||
|
|
def __init__(self, stdouterr):
|
||
|
|
self.keep_stdin = sys.stdin
|
||
|
|
sys.stdin = self
|
||
|
|
self.keep_stdouterr = stdouterr
|
||
|
|
|
||
|
|
def __del__(self):
|
||
|
|
self.keep_stdin = self.keep_stdouterr = None
|
||
|
|
|
||
|
|
def _revert(self):
|
||
|
|
"""Return to old state, with true stdio"""
|
||
|
|
if self.keep_stdin == None:
|
||
|
|
return
|
||
|
|
sys.stdin = self.keep_stdin
|
||
|
|
self.keep_stdin = None
|
||
|
|
self.keep_stdouterr._revert(1)
|
||
|
|
self.keep_stdouterr = None
|
||
|
|
|
||
|
|
def read(self, *args):
|
||
|
|
self._revert()
|
||
|
|
return apply(sys.stdin.read, args)
|
||
|
|
|
||
|
|
def readlines(self, *args):
|
||
|
|
self._revert()
|
||
|
|
return apply(sys.stdin.readlines, args)
|
||
|
|
|
||
|
|
def readline(self, *args):
|
||
|
|
self._revert()
|
||
|
|
return apply(sys.stdin.readline, args)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
self._revert()
|
||
|
|
sys.stdin.close()
|
||
|
|
|
||
|
|
class _PseudoStdouterr:
|
||
|
|
def __init__(self):
|
||
|
|
self.keep_stdout = sys.stdout
|
||
|
|
self.keep_stderr = sys.stderr
|
||
|
|
sys.stdout = sys.stderr = self
|
||
|
|
self.data = []
|
||
|
|
|
||
|
|
def __del__(self):
|
||
|
|
self.keep_stdout = self.keep_stderr = None
|
||
|
|
|
||
|
|
def _revert(self, dumpdata=0):
|
||
|
|
if self.keep_stdout == None:
|
||
|
|
return
|
||
|
|
sys.stdout = self.keep_stdout
|
||
|
|
sys.stderr = self.keep_stderr
|
||
|
|
sys.keep_stdout = self.keep_stderr = None
|
||
|
|
if dumpdata and self.data:
|
||
|
|
for d in self.data:
|
||
|
|
sys.stdout.write(d)
|
||
|
|
self.data = None
|
||
|
|
|
||
|
|
def write(self, arg):
|
||
|
|
self.data.append(arg)
|
||
|
|
|
||
|
|
def writelines(self, arg):
|
||
|
|
for d in arg:
|
||
|
|
self.data.append(arg)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
self.keep_stdout = self.keep_stderr = self.data = None
|
||
|
|
|
||
|
|
beenhere = 0
|
||
|
|
|
||
|
|
def install():
|
||
|
|
global beenhere
|
||
|
|
if beenhere:
|
||
|
|
return
|
||
|
|
beenhere = 1
|
||
|
|
# There's no point in re-installing if the console has been active
|
||
|
|
obj = _PseudoStdouterr()
|
||
|
|
_PseudoStdin(obj)
|
||
|
|
# No need to keep the objects, they're saved in sys.std{in,out,err}
|
||
|
|
|
||
|
|
def revert():
|
||
|
|
if type(sys.stdin) == types.FileType:
|
||
|
|
return # Not installed
|
||
|
|
sys.stdin._revert()
|
||
|
|
|
||
|
|
def _test():
|
||
|
|
import time
|
||
|
|
install()
|
||
|
|
print "You will not see this yet"
|
||
|
|
time.sleep(1)
|
||
|
|
print "You will not see this yet"
|
||
|
|
time.sleep(1)
|
||
|
|
print "You will not see this yet"
|
||
|
|
time.sleep(1)
|
||
|
|
print "You will not see this yet"
|
||
|
|
time.sleep(1)
|
||
|
|
print "You will not see this yet"
|
||
|
|
time.sleep(1)
|
||
|
|
print "5 seconds have passed, now you may type something"
|
||
|
|
rv = sys.stdin.readline()
|
||
|
|
print "You typed", rv
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
_test()
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|