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github-python-corpus

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ctypes.windll.kernel32.SetConsoleWindowInfo(stdout_handle, True, byref(info))
def scroll_to_quarter(line):
"""Scroll up so that the specified line is at least 25% of the screen deep"""
lines = line - get_viewport()[1]
viewport_height = get_viewport()[3] - get_viewport()[1]
if lines < viewport_height / 4:
scroll_buffer(lines - viewport_height / 4)
def read_input():
"""Read one input event from the console input buffer"""
while True:
record = stdin_handle.ReadConsoleInput(1)[0]
if record.EventType == KEY_EVENT and record.KeyDown:
return record
def write_input(key_code, char, control_state):
"""Emulate a key press with the given key code and control key mask"""
record = PyINPUT_RECORDType(KEY_EVENT)
record.KeyDown = True
record.VirtualKeyCode = key_code
record.Char = char
record.ControlKeyState = control_state
stdin_handle.WriteConsoleInput([record])
def write_str(s):
"""
Output s to stdout, while processing the color sequences
"""
def write_with_sane_cursor(s):
"""
Under Win10, write() no longer advances the cursor to the next line after writing in the last column; so we
use a custom function to restore that behavior when needed
"""
buffer_width = get_buffer_size()[0]
cursor_before = get_cursor()[0]
sys.__stdout__.write(s)
sys.__stdout__.flush()
cursor_after = get_cursor()[0]
if (buffer_width > 0
and (cursor_before + len(s)) % buffer_width == 0
and cursor_after > 0):
# We have written over until the last column, but the cursor is NOT pushed to the next line; so we push it
# ourselves
sys.__stdout__.write(' \r')
i = 0
buf = ''
attr = get_text_attributes()
while i < len(s):
c = s[i]
if c == chr(27):
if buf:
# We have some characters, apply attributes and write them out
set_text_attributes(attr)
write_with_sane_cursor(buf)
buf = ''
# Process color commands to compute and set new attributes
target = s[i + 1]
command = s[i + 2]
component = s[i + 3]
i += 3
# Escape sequence format is [ESC][TGT][OP][COMP], where:
# * ESC is the Escape character: chr(27)
# * TGT is the target: 'F' for foreground, 'B' for background
# * OP is the operation: 'S' (set), 'C' (clear), 'T' (toggle) a component
# * COMP is the color component: 'R', 'G', 'B' or 'X' (bright)
if target == 'F':
name_prefix = 'FOREGROUND'
else:
name_prefix = 'BACKGROUND'
if component == 'R':
name_suffix = 'RED'
elif component == 'G':
name_suffix = 'GREEN'
elif component == 'B':
name_suffix = 'BLUE'
else:
name_suffix = 'BRIGHT'
if command == 'S':
operator = lambda x, y: x | y
elif command == 'C':
operator = lambda x, y: x & ~y
else:
operator = lambda x, y: x ^ y
import console
# We use the bit masks defined at the end of console.py by computing
# the name and accessing the module's dictionary (FOREGROUND_RED,
# BACKGROUND_BRIGHT etc)
bit_mask = console.__dict__[name_prefix + '_' + name_suffix]
attr = operator(attr, bit_mask)
else:
# Regular character, just append to the buffer
buf += c
i += 1