mirror of
https://github.com/abakh/nbsdgames.git
synced 2025-02-02 15:07:27 -05:00
107 lines
2.8 KiB
Python
107 lines
2.8 KiB
Python
import sys, os
|
|
from time import localtime, ctime
|
|
|
|
|
|
class LogFile:
|
|
|
|
def __init__(self, filename=None, limitsize=32768):
|
|
if filename is None:
|
|
filename = sys.argv[0]
|
|
if filename.endswith('.py'):
|
|
filename = filename[:-3]
|
|
filename += '.log'
|
|
self.limitsize = limitsize
|
|
if not self._open(filename):
|
|
import tempfile
|
|
filename = os.path.join(tempfile.gettempdir(),
|
|
os.path.basename(filename))
|
|
if not self._open(filename):
|
|
self.f = self.filename = None
|
|
self.lasttime = None
|
|
|
|
def close(self):
|
|
if self.f is not None:
|
|
self.f.close()
|
|
self.f = None
|
|
|
|
def __nonzero__(self):
|
|
return self.f is not None
|
|
|
|
def _open(self, filename):
|
|
try:
|
|
self.f = open(filename, 'r+', 1)
|
|
self.f.seek(0, 2)
|
|
except IOError:
|
|
# The open r+ might have failed simply because the file
|
|
# does not exist. Try to create it.
|
|
try:
|
|
self.f = open(filename, 'w+', 1)
|
|
except (OSError, IOError):
|
|
return 0
|
|
except OSError:
|
|
return 0
|
|
self.filename = filename
|
|
if self.f.tell() > 0:
|
|
print >> self.f
|
|
print >> self.f, '='*44
|
|
return 1
|
|
|
|
def _check(self):
|
|
if self.f is None:
|
|
return 0
|
|
lt = localtime()
|
|
if lt[:4] != self.lasttime:
|
|
self.lasttime = lt[:4]
|
|
if self.f.tell() >= self.limitsize:
|
|
self.f.seek(-(self.limitsize>>1), 1)
|
|
data = self.f.read()
|
|
self.f.seek(0)
|
|
self.f.write('(...)' + data)
|
|
self.f.truncate()
|
|
self.f.write('========= %s =========\n' % ctime())
|
|
return 1
|
|
|
|
def write(self, data):
|
|
if self._check():
|
|
self.f.write(data)
|
|
|
|
def writelines(self, data):
|
|
if self._check():
|
|
self.f.writelines(data)
|
|
|
|
def flush(self):
|
|
if self._check():
|
|
self.f.flush()
|
|
|
|
|
|
class Logger:
|
|
stdout_captured = 0
|
|
stderr_captured = 0
|
|
|
|
def __init__(self, f):
|
|
self.targets = [f]
|
|
|
|
def capture_stdout(self):
|
|
if not Logger.stdout_captured:
|
|
self.targets.append(sys.stdout)
|
|
sys.stdout = self
|
|
Logger.stdout_captured = 1
|
|
|
|
def capture_stderr(self):
|
|
if not Logger.stderr_captured:
|
|
self.targets.append(sys.stderr)
|
|
sys.stderr = self
|
|
Logger.stderr_captured = 1
|
|
|
|
def write(self, data):
|
|
for f in self.targets:
|
|
f.write(data)
|
|
|
|
def writelines(self, data):
|
|
for f in self.targets:
|
|
f.writelines(data)
|
|
|
|
def flush(self):
|
|
for f in self.targets:
|
|
f.flush()
|