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"""
Sets up the terminal color scheme.
"""
import sys
from django.utils import termcolors
def supports_color():
"""
Returns True if the running system's terminal supports color, and False
otherwise.
"""
unsupported_platform = (sys.platform in ('win32', 'Pocket PC'))
# isatty is not always implemented, #6223.
is_a_tty = hasattr(sys.stdout, 'isatty') and sys.stdout.isatty()
if unsupported_platform or not is_a_tty:
return False
return True
def color_style():
"""Returns a Style object with the Django color scheme."""
if not supports_color():
return no_style()
class dummy: pass
style = dummy()
style.ERROR = termcolors.make_style(fg='red', opts=('bold',))
style.ERROR_OUTPUT = termcolors.make_style(fg='red', opts=('bold',))
style.NOTICE = termcolors.make_style(fg='red')
style.SQL_FIELD = termcolors.make_style(fg='green', opts=('bold',))
style.SQL_COLTYPE = termcolors.make_style(fg='green')
style.SQL_KEYWORD = termcolors.make_style(fg='yellow')
style.SQL_TABLE = termcolors.make_style(opts=('bold',))
return style
def no_style():
"""Returns a Style object that has no colors."""
class dummy:
def __getattr__(self, attr):
return lambda x: x
return dummy()
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