def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
python类error()的实例源码
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
# Possible reference before assignment fix
oldch = None
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def put(self, x, y, text, fg, bg):
"""
Puts a string at the desired coordinates using the provided colors.
:param x: X position
:param y: Y position
:param text: Text to write
:param fg: Foreground color number
:param bg: Background color number
"""
self.mutex.acquire()
if x < self.width and y < self.height:
try:
self.screen.addstr(int(y), int(x),
symbols.encode(text),
self.pairs[fg, bg])
except curses.error:
# Ignore out of bounds error
pass
self.mutex.release()
def _start_ui(self, stdscr):
"""TODO docs"""
rogue_height = 26
rogue_width = 84
# using a pad instead of the default win, it's safer
self.stdscr = curses.newpad(rogue_height, rogue_width)
self.stdscr.nodelay(True)
curses.curs_set(False)
self.draw_from_rogue()
minlogsize = 4
if curses.LINES - 1 >= rogue_height + minlogsize:
# there's enough space to show the logs
self.logpad = curses.newpad(curses.LINES - 1, curses.COLS - 1)
while True:
if self.timer_callback:
self.timer_callback()
time.sleep(self.sleep_time)
if self.keypress_callback:
try:
key = self.stdscr.getkey()
event = Event()
event.char = key
self.keypress_callback(event)
except curses.error:
pass
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def supported(cls, stream=sys.stdout):
"""
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except:
# guess false in case of error
return False
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
def deposit():
printMsg("Loading bitcoin address...")
# connect to node and get new wallet address
try:
addr = rpc_connection.getnewaddress()
except (socket.error, httplib.CannotSendRequest):
printMsg("getnewaddress http error", COLOR_RED)
time.sleep(2)
return False
# show off the new address!
printMsg(addr, COLOR_GREEN, 1)
showQR(addr, 'M')
# called by withdraw() to display segment of a list as a menu
def showQR(addr, errcorr):
# generate QR code and display on LED grid
code = pyqrcode.create(addr, error=errcorr, version=3)
t = code.text(1)
row = 31
col = 0
bufferInit()
for i in t:
if i != '\n':
bufferPixel(row, col, 255-int(i)*255, 255-int(i)*255, 255-int(i)*255)
col += 1
else:
row -= 1
col = 0
bufferDraw()
#time.sleep(0.001)
# give us a chance to scan it
time.sleep(QRTIME)
# draw blocks since last difficulty adjustment
def supported(cls, stream=sys.stdout):
"""A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except Exception:
# guess false in case of error
return False
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def __init__(self, stream, charset=None):
# our Enterprise logic follows
self.stream_isatty = stream.isatty()
if charset is None:
charset = ENTERPRISE_CHARSET if self.stream_isatty else '.'
super(QubesSpinnerEnterpriseEdition, self).__init__(stream, charset)
if self.stream_isatty:
try:
curses.setupterm()
self.has_terminfo = True
self.cub1 = curses.tigetstr('cub1').decode()
except (curses.error, io.UnsupportedOperation):
# we are in very non-Enterprise environment
self.has_terminfo = False
else:
self.cub1 = ''
def supported(cls, stream=sys.stdout):
"""is platform supported
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except Exception:
# guess false in case of error
return False
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
def _printResults(self, flavor, errors, formatter):
"""
Print a group of errors to the stream.
@param flavor: A string indicating the kind of error (e.g. 'TODO').
@param errors: A list of errors, often L{failure.Failure}s, but
sometimes 'todo' errors.
@param formatter: A callable that knows how to format the errors.
"""
for reason, cases in self._groupResults(errors, formatter):
self._writeln(self._doubleSeparator)
self._writeln(flavor)
self._write(reason)
self._writeln('')
for case in cases:
self._writeln(case.id())
def supported(cls, stream=sys.stdout):
"""
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except:
# guess false in case of error
return False
def _insert_printable_char(self, ch):
(y, x) = self.win.getyx()
if y < self.maxy or x < self.maxx:
if self.insert_mode:
oldch = self.win.inch()
# The try-catch ignores the error we trigger from some curses
# versions by trying to write into the lowest-rightmost spot
# in the window.
try:
self.win.addch(ch)
except curses.error:
pass
if self.insert_mode:
(backy, backx) = self.win.getyx()
if curses.ascii.isprint(oldch):
self._insert_printable_char(oldch)
self.win.move(backy, backx)
def supported(cls, stream=sys.stdout):
"""
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except:
# guess false in case of error
return False
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
def supported(cls, stream=sys.stdout):
"""
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except Exception:
# guess false in case of error
return False
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
def print_line(line, highlight=False):
"""A thin wrapper around curses's addstr()."""
global lineno
try:
if highlight:
line += " " * (win.getmaxyx()[1] - len(line))
win.addstr(lineno, 0, line, curses.A_REVERSE)
else:
win.addstr(lineno, 0, line, 0)
except curses.error:
lineno = 0
win.refresh()
raise
else:
lineno += 1
# --- curses stuff
def print_line(line, highlight=False):
"""A thin wrapper around curses's addstr()."""
global lineno
try:
if highlight:
line += " " * (win.getmaxyx()[1] - len(line))
win.addstr(lineno, 0, line, curses.A_REVERSE)
else:
win.addstr(lineno, 0, line, 0)
except curses.error:
lineno = 0
win.refresh()
raise
else:
lineno += 1
# --- /curses stuff
def print_line(line, highlight=False):
"""A thin wrapper around curses's addstr()."""
global lineno
try:
if highlight:
line += " " * (win.getmaxyx()[1] - len(line))
win.addstr(lineno, 0, line, curses.A_REVERSE)
else:
win.addstr(lineno, 0, line, 0)
except curses.error:
lineno = 0
win.refresh()
raise
else:
lineno += 1
# --- /curses stuff
def refresh_window(procs, disks_read, disks_write):
"""Print results on screen by using curses."""
curses.endwin()
templ = "%-5s %-7s %11s %11s %s"
win.erase()
disks_tot = "Total DISK READ: %s | Total DISK WRITE: %s" \
% (bytes2human(disks_read), bytes2human(disks_write))
print_line(disks_tot)
header = templ % ("PID", "USER", "DISK READ", "DISK WRITE", "COMMAND")
print_line(header, highlight=True)
for p in procs:
line = templ % (
p.pid,
p._username[:7],
bytes2human(p._read_per_sec),
bytes2human(p._write_per_sec),
p._cmdline)
try:
print_line(line)
except curses.error:
break
win.refresh()
