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py3: Fix colored output for console logger not working

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Kovid Goyal 2019-04-11 15:10:05 +05:30
parent cf0ae84e80
commit efa6ae353a
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 11 additions and 5 deletions
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2
src/calibre/utils/logging.py
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@ -23,7 +23,7 @@ class Stream(object):
def __init__(self, stream=None):
if stream is None:
stream = io.BytesIO()
self.stream = stream
self.stream = getattr(stream, 'buffer', stream)
self._prints = partial(prints, safe_encode=True, file=stream)
def flush(self):

14
src/calibre/utils/terminal.py
View File

@ -185,6 +185,7 @@ class Detect(object):
class ColoredStream(Detect):
def __init__(self, stream=None, fg=None, bg=None, bold=False):
stream = getattr(stream, 'buffer', stream)
Detect.__init__(self, stream)
self.fg, self.bg, self.bold = fg, bg, bold
if self.set_console is not None:
@ -192,16 +193,21 @@ class ColoredStream(Detect):
if not self.bg:
self.wval |= self.default_console_text_attributes & 0xF0
def cwrite(self, what):
if not isinstance(what, bytes):
what = what.encode('ascii')
self.stream.write(what)
def __enter__(self):
if not self.isatty:
return self
if self.isansi:
if self.bold:
self.stream.write(ATTRIBUTES['bold'])
self.cwrite(ATTRIBUTES['bold'])
if self.bg is not None:
self.stream.write(BACKGROUNDS[self.bg])
self.cwrite(BACKGROUNDS[self.bg])
if self.fg is not None:
self.stream.write(COLORS[self.fg])
self.cwrite(COLORS[self.fg])
elif self.set_console is not None:
if self.wval != 0:
self.set_console(self.file_handle, self.wval)
@ -213,7 +219,7 @@ class ColoredStream(Detect):
if not self.fg and not self.bg and not self.bold:
return
if self.isansi:
self.stream.write(RESET)
self.cwrite(RESET)
self.stream.flush()
elif self.set_console is not None:
self.set_console(self.file_handle, self.default_console_text_attributes)