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[svn r62835] Add ANSI colouring to the Win32 console. 

This gives a nice display for py.test,
and during pypy translation.

the "markup" function should not be used any more.

--HG--
branch : trunk
This commit is contained in:
afa 2009-03-11 02:40:08 +01:00
parent ab3f409b4e
commit 4be27f5078
4 changed files with 182 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
py/code/excinfo.py
View File

@ -275,7 +275,7 @@ class ReprEntry(Repr):
self.reprfuncargs.toterminal(tw)
for line in self.lines:
red = line.startswith("E ")
tw.line(tw.markup(bold=True, red=red, text=line))
tw.line(line, bold=True, red=red)
if self.reprlocals:
#tw.sep(self.localssep, "Locals")
tw.line("")

164
py/io/terminalwriter.py
View File

@ -14,6 +14,57 @@ def _getdimensions():
height,width = struct.unpack( "hhhh", call ) [:2]
return height, width
if sys.platform == 'win32':
# ctypes access to the Windows console
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
FOREGROUND_BLUE = 0x0001 # text color contains blue.
FOREGROUND_GREEN = 0x0002 # text color contains green.
FOREGROUND_RED = 0x0004 # text color contains red.
FOREGROUND_WHITE = 0x0007
FOREGROUND_INTENSITY = 0x0008 # text color is intensified.
BACKGROUND_BLUE = 0x0010 # background color contains blue.
BACKGROUND_GREEN = 0x0020 # background color contains green.
BACKGROUND_RED = 0x0040 # background color contains red.
BACKGROUND_WHITE = 0x0007
BACKGROUND_INTENSITY = 0x0080 # background color is intensified.
def GetStdHandle(kind):
import ctypes
return ctypes.windll.kernel32.GetStdHandle(kind)
def SetConsoleTextAttribute(handle, attr):
import ctypes
ctypes.windll.kernel32.SetConsoleTextAttribute(
handle, attr)
def _getdimensions():
import ctypes
from ctypes import wintypes
SHORT = ctypes.c_short
class COORD(ctypes.Structure):
_fields_ = [('X', SHORT),
('Y', SHORT)]
class SMALL_RECT(ctypes.Structure):
_fields_ = [('Left', SHORT),
('Top', SHORT),
('Right', SHORT),
('Bottom', SHORT)]
class CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
_fields_ = [('dwSize', COORD),
('dwCursorPosition', COORD),
('wAttributes', wintypes.WORD),
('srWindow', SMALL_RECT),
('dwMaximumWindowSize', COORD)]
STD_OUTPUT_HANDLE = -11
handle = GetStdHandle(STD_OUTPUT_HANDLE)
info = CONSOLE_SCREEN_BUFFER_INFO()
ctypes.windll.kernel32.GetConsoleScreenBufferInfo(
handle, ctypes.byref(info))
return info.dwSize.Y, info.dwSize.X
def get_terminal_width():
try:
height, width = _getdimensions()
@ -31,15 +82,46 @@ def ansi_print(text, esc, file=None, newline=True, flush=False):
if file is None:
file = sys.stderr
text = text.rstrip()
if esc and sys.platform != "win32" and file.isatty():
if not isinstance(esc, tuple):
if esc and not isinstance(esc, tuple):
esc = (esc,)
if esc and sys.platform != "win32" and file.isatty():
text = (''.join(['\x1b[%sm' % cod for cod in esc]) +
text +
'\x1b[0m') # ANSI color code "reset"
if newline:
text += '\n'
if esc and sys.platform == "win32" and file.isatty():
if 1 in esc:
bold = True
esc = tuple(x for x in esc if x != 1)
else:
bold = False
esctable = {() : FOREGROUND_WHITE, # normal
(31,): FOREGROUND_RED, # red
(32,): FOREGROUND_GREEN, # green
(33,): FOREGROUND_GREEN|FOREGROUND_RED, # yellow
(34,): FOREGROUND_BLUE, # blue
(35,): FOREGROUND_BLUE|FOREGROUND_RED, # purple
(36,): FOREGROUND_BLUE|FOREGROUND_GREEN, # cyan
(37,): FOREGROUND_WHITE, # white
(39,): FOREGROUND_WHITE, # reset
}
attr = esctable.get(esc, FOREGROUND_WHITE)
if bold:
attr |= FOREGROUND_INTENSITY
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
if file is sys.stderr:
handle = GetStdHandle(STD_ERROR_HANDLE)
else:
handle = GetStdHandle(STD_OUTPUT_HANDLE)
SetConsoleTextAttribute(handle, attr)
file.write(text)
SetConsoleTextAttribute(handle, FOREGROUND_WHITE)
else:
file.write(text)
if flush:
file.flush()
@ -60,8 +142,7 @@ class TerminalWriter(object):
file = WriteFile(file)
self._file = file
self.fullwidth = get_terminal_width()
self.hasmarkup = sys.platform != "win32" and \
hasattr(file, 'isatty') and file.isatty()
self.hasmarkup = hasattr(file, 'isatty') and file.isatty()
def _escaped(self, text, esc):
if esc and self.hasmarkup:
@ -119,6 +200,81 @@ class TerminalWriter(object):
self._file.write('\n')
self._file.flush()
class Win32ConsoleWriter(object):
def __init__(self, file=None, stringio=False):
if file is None:
if stringio:
self.stringio = file = py.std.cStringIO.StringIO()
else:
file = py.std.sys.stdout
elif callable(file):
file = WriteFile(file)
self._file = file
self.fullwidth = get_terminal_width()
self.hasmarkup = hasattr(file, 'isatty') and file.isatty()
def sep(self, sepchar, title=None, fullwidth=None, **kw):
if fullwidth is None:
fullwidth = self.fullwidth
# On a Windows console, writing in the last column
# causes a line feed.
fullwidth -= 1
# the goal is to have the line be as long as possible
# under the condition that len(line) <= fullwidth
if title is not None:
# we want 2 + 2*len(fill) + len(title) <= fullwidth
# i.e. 2 + 2*len(sepchar)*N + len(title) <= fullwidth
# 2*len(sepchar)*N <= fullwidth - len(title) - 2
# N <= (fullwidth - len(title) - 2) // (2*len(sepchar))
N = (fullwidth - len(title) - 2) // (2*len(sepchar))
fill = sepchar * N
line = "%s %s %s" % (fill, title, fill)
else:
# we want len(sepchar)*N <= fullwidth
# i.e. N <= fullwidth // len(sepchar)
line = sepchar * (fullwidth // len(sepchar))
# in some situations there is room for an extra sepchar at the right,
# in particular if we consider that with a sepchar like "_ " the
# trailing space is not important at the end of the line
if len(line) + len(sepchar.rstrip()) <= fullwidth:
line += sepchar.rstrip()
self.line(line, **kw)
def write(self, s, **kw):
if s:
s = str(s)
if self.hasmarkup:
handle = GetStdHandle(STD_OUTPUT_HANDLE)
if self.hasmarkup and kw:
attr = 0
if kw.pop('bold', False):
attr |= FOREGROUND_INTENSITY
if kw.pop('red', False):
attr |= FOREGROUND_RED
elif kw.pop('blue', False):
attr |= FOREGROUND_BLUE
elif kw.pop('green', False):
attr |= FOREGROUND_GREEN
else:
attr |= FOREGROUND_WHITE
SetConsoleTextAttribute(handle, attr)
self._file.write(s)
self._file.flush()
if self.hasmarkup:
SetConsoleTextAttribute(handle, FOREGROUND_WHITE)
def line(self, s='', **kw):
self.write(s + '\n', **kw)
if sys.platform == 'win32':
TerminalWriter = Win32ConsoleWriter
class WriteFile(object):
def __init__(self, writemethod):
self.write = writemethod

11
py/io/testing/test_terminalwriter.py
View File

@ -1,7 +1,11 @@
import py
import os
import os, sys
from py.__.io import terminalwriter
def skip_win32():
if sys.platform == 'win32':
py.test.skip('Not relevant on win32')
def test_terminalwriter_computes_width():
py.magic.patch(terminalwriter, 'get_terminal_width', lambda: 42)
try:
@ -36,6 +40,7 @@ class BaseTests:
tw.sep("-", fullwidth=60)
l = self.getlines()
assert len(l) == 1
skip_win32()
assert l[0] == "-" * 60 + "\n"
def test_sep_with_title(self):
@ -43,14 +48,17 @@ class BaseTests:
tw.sep("-", "hello", fullwidth=60)
l = self.getlines()
assert len(l) == 1
skip_win32()
assert l[0] == "-" * 26 + " hello " + "-" * 27 + "\n"
def test__escaped(self):
skip_win32()
tw = self.getwriter()
text2 = tw._escaped("hello", (31))
assert text2.find("hello") != -1
def test_markup(self):
skip_win32()
tw = self.getwriter()
for bold in (True, False):
for color in ("red", "green"):
@ -65,6 +73,7 @@ class BaseTests:
tw.line("x", bold=True)
tw.write("x\n", red=True)
l = self.getlines()
skip_win32()
assert len(l[0]) > 2, l
assert len(l[1]) > 2, l

16
py/test/plugin/pytest_terminal.py
View File

@ -40,13 +40,13 @@ class TerminalReporter:
self.currentfspath = fspath
self._tw.write(res)
def write_ensure_prefix(self, prefix, extra=""):
def write_ensure_prefix(self, prefix, extra="", **kwargs):
if self.currentfspath != prefix:
self._tw.line()
self.currentfspath = prefix
self._tw.write(prefix)
if extra:
self._tw.write(extra)
self._tw.write(extra, **kwargs)
self.currentfspath = -2
def ensure_newline(self):
@ -77,13 +77,13 @@ class TerminalReporter:
def getoutcomeword(self, event):
if event.passed:
return self._tw.markup("PASS", green=True)
return "PASS", dict(green=True)
elif event.failed:
return self._tw.markup("FAIL", red=True)
return "FAIL", dict(red=True)
elif event.skipped:
return "SKIP"
else:
return self._tw.markup("???", red=True)
return "???", dict(red=True)
def pyevent_internalerror(self, event):
for line in str(event.repr).split("\n"):
@ -139,13 +139,17 @@ class TerminalReporter:
def pyevent_itemtestreport(self, event):
fspath = event.colitem.fspath
cat, letter, word = self.getcategoryletterword(event)
if isinstance(word, tuple):
word, markup = word
else:
markup = {}
self.stats.setdefault(cat, []).append(event)
if not self.config.option.verbose:
self.write_fspath_result(fspath, letter)
else:
info = event.colitem.repr_metainfo()
line = info.verboseline(basedir=self.curdir) + " "
self.write_ensure_prefix(line, word)
self.write_ensure_prefix(line, word, **markup)
def pyevent_collectionreport(self, event):
if not event.passed: