0

changed windows logging to be a special output stream

This commit is contained in:
Andrew Brown
2011-11-01 00:03:32 -04:00
parent 6a67841b44
commit 470440563c
2 changed files with 87 additions and 84 deletions

View File

@@ -113,19 +113,22 @@ HIGHLIGHT = {
}
class OverviewerHandler(logging.Handler):
def __init__(self, stream=sys.stderr):
logging.Handler.__init__(self)
self.stream = stream
class WindowsOutputStream(object):
"""A file-like object that proxies sys.stderr and interprets simple ANSI
escape codes for color, translating them to the appropriate Windows calls.
"""
def __init__(self, stream=None):
assert platform.system() == 'Windows'
self.stream = stream or sys.stderr
# go go gadget ctypes
if platform.system() == 'Windows':
self.GetStdHandle = ctypes.windll.kernel32.GetStdHandle
self.SetConsoleTextAttribute = ctypes.windll.kernel32.SetConsoleTextAttribute
self.STD_OUTPUT_HANDLE = ctypes.c_int(0xFFFFFFF5)
self.output_handle = self.GetStdHandle(self.STD_OUTPUT_HANDLE)
if self.output_handle == 0xFFFFFFFF:
raise Exception("Something failed in WindowsColorFormatter")
self.GetStdHandle = ctypes.windll.kernel32.GetStdHandle
self.SetConsoleTextAttribute = ctypes.windll.kernel32.SetConsoleTextAttribute
self.STD_OUTPUT_HANDLE = ctypes.c_int(0xFFFFFFF5)
self.output_handle = self.GetStdHandle(self.STD_OUTPUT_HANDLE)
if self.output_handle == 0xFFFFFFFF:
raise Exception("Something failed in WindowsColorFormatter")
# default is white text on a black background
@@ -144,78 +147,73 @@ class OverviewerHandler(logging.Handler):
self.SetConsoleTextAttribute(self.output_handle,
ctypes.c_int(self.currentForeground | self.currentBackground | self.currentBold))
def emit(self, record):
msg = str(self.format(record))
def write(self, s):
msg_strm = StringIO(msg)
msg_strm = StringIO(s)
# only on Windows do we do this fancy ANSI parsing magic
if platform.system() == 'Windows':
while (True):
c = msg_strm.read(1)
if c == '': break
if c == '\033':
c1 = msg_strm.read(1)
if c1 != '[': #
sys.stream.write(c + c1)
continue
c2 = msg_strm.read(2)
if c2 == "0m": # RESET_SEQ
self.updateWinColor(Fore=FOREGROUND_WHITE, Back=BACKGROUND_BLACK)
while (True):
c = msg_strm.read(1)
if c == '': break
if c == '\033':
c1 = msg_strm.read(1)
if c1 != '[': #
sys.stream.write(c + c1)
continue
c2 = msg_strm.read(2)
if c2 == "0m": # RESET_SEQ
self.updateWinColor(Fore=FOREGROUND_WHITE, Back=BACKGROUND_BLACK)
elif c2 == "1;":
color = ""
while(True):
nc = msg_strm.read(1)
if nc == 'm': break
color += nc
color = int(color)
if (color >= 40): # background
color = color - 40
if color == BLACK:
self.updateWinColor(Back=BACKGROUND_BLACK)
if color == RED:
self.updateWinColor(Back=BACKGROUND_RED)
elif color == GREEN:
self.updateWinColor(Back=BACKGROUND_GREEN)
elif color == YELLOW:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_GREEN)
elif color == BLUE:
self.updateWinColor(Back=BACKGROUND_BLUE)
elif color == MAGENTA:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_BLUE)
elif color == CYAN:
self.updateWinColor(Back=BACKGROUND_GREEN | BACKGROUND_BLUE)
elif color == WHITE:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE)
elif (color >= 30): # foreground
color = color - 30
if color == BLACK:
self.updateWinColor(Fore=FOREGROUND_BLACK)
if color == RED:
self.updateWinColor(Fore=FOREGROUND_RED)
elif color == GREEN:
self.updateWinColor(Fore=FOREGROUND_GREEN)
elif color == YELLOW:
self.updateWinColor(Fore=FOREGROUND_RED | FOREGROUND_GREEN)
elif color == BLUE:
self.updateWinColor(Fore=FOREGROUND_BLUE)
elif color == MAGENTA:
self.updateWinColor(Fore=FOREGROUND_RED | FOREGROUND_BLUE)
elif color == CYAN:
self.updateWinColor(Fore=FOREGROUND_GREEN | FOREGROUND_BLUE)
elif color == WHITE:
self.updateWinColor(Fore=FOREGROUND_WHITE)
elif c2 == "1;":
color = ""
while(True):
nc = msg_strm.read(1)
if nc == 'm': break
color += nc
color = int(color)
if (color >= 40): # background
color = color - 40
if color == BLACK:
self.updateWinColor(Back=BACKGROUND_BLACK)
if color == RED:
self.updateWinColor(Back=BACKGROUND_RED)
elif color == GREEN:
self.updateWinColor(Back=BACKGROUND_GREEN)
elif color == YELLOW:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_GREEN)
elif color == BLUE:
self.updateWinColor(Back=BACKGROUND_BLUE)
elif color == MAGENTA:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_BLUE)
elif color == CYAN:
self.updateWinColor(Back=BACKGROUND_GREEN | BACKGROUND_BLUE)
elif color == WHITE:
self.updateWinColor(Back=BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE)
elif (color >= 30): # foreground
color = color - 30
if color == BLACK:
self.updateWinColor(Fore=FOREGROUND_BLACK)
if color == RED:
self.updateWinColor(Fore=FOREGROUND_RED)
elif color == GREEN:
self.updateWinColor(Fore=FOREGROUND_GREEN)
elif color == YELLOW:
self.updateWinColor(Fore=FOREGROUND_RED | FOREGROUND_GREEN)
elif color == BLUE:
self.updateWinColor(Fore=FOREGROUND_BLUE)
elif color == MAGENTA:
self.updateWinColor(Fore=FOREGROUND_RED | FOREGROUND_BLUE)
elif color == CYAN:
self.updateWinColor(Fore=FOREGROUND_GREEN | FOREGROUND_BLUE)
elif color == WHITE:
self.updateWinColor(Fore=FOREGROUND_WHITE)
elif c2 == "1m": # BOLD_SEQ
pass
else:
self.stream.write(c)
else:
self.stream.write(msg)
elif c2 == "1m": # BOLD_SEQ
pass
else:
self.stream.write(c)
self.stream.write("\n")
@@ -284,7 +282,7 @@ class DumbFormatter(HighlightingFormatter):
class ANSIColorFormatter(HighlightingFormatter):
"""Highlights and colorizes log entries with ANSI escape sequences
"""Uses ANSI escape sequences to enable GLORIOUS EXTRA-COLOR!
"""
def highlight(self, record):