def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
python类WINDOWS的实例源码
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
def hidden_cursor(file):
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
