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Diffstat (limited to 'eggs/py-1.4.0-py2.6.egg/py/_io')
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/__init__.py | 1 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/__init__.pyo | bin | 0 -> 212 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/capture.py | 355 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/capture.pyo | bin | 0 -> 15430 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.py | 54 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.pyo | bin | 0 -> 2656 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.py | 285 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.pyo | bin | 0 -> 11264 bytes |
8 files changed, 695 insertions, 0 deletions
diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.py b/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.py new file mode 100644 index 0000000..835f01f --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.py @@ -0,0 +1 @@ +""" input/output helping """ diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.pyo b/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.pyo Binary files differnew file mode 100644 index 0000000..cff901c --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/__init__.pyo diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/capture.py b/eggs/py-1.4.0-py2.6.egg/py/_io/capture.py new file mode 100644 index 0000000..7ad5fa9 --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/capture.py @@ -0,0 +1,355 @@ +import os +import sys +import py +import tempfile + +try: + from io import StringIO +except ImportError: + from StringIO import StringIO + +if sys.version_info < (3,0): + class TextIO(StringIO): + def write(self, data): + if not isinstance(data, unicode): + data = unicode(data, getattr(self, '_encoding', 'UTF-8')) + StringIO.write(self, data) +else: + TextIO = StringIO + +try: + from io import BytesIO +except ImportError: + class BytesIO(StringIO): + def write(self, data): + if isinstance(data, unicode): + raise TypeError("not a byte value: %r" %(data,)) + StringIO.write(self, data) + +patchsysdict = {0: 'stdin', 1: 'stdout', 2: 'stderr'} + +class FDCapture: + """ Capture IO to/from a given os-level filedescriptor. """ + + def __init__(self, targetfd, tmpfile=None, now=True, patchsys=False): + """ save targetfd descriptor, and open a new + temporary file there. If no tmpfile is + specified a tempfile.Tempfile() will be opened + in text mode. + """ + self.targetfd = targetfd + if tmpfile is None and targetfd != 0: + f = tempfile.TemporaryFile('wb+') + tmpfile = dupfile(f, encoding="UTF-8") + f.close() + self.tmpfile = tmpfile + self._savefd = os.dup(self.targetfd) + if patchsys: + self._oldsys = getattr(sys, patchsysdict[targetfd]) + if now: + self.start() + + def start(self): + try: + os.fstat(self._savefd) + except OSError: + raise ValueError("saved filedescriptor not valid, " + "did you call start() twice?") + if self.targetfd == 0 and not self.tmpfile: + fd = os.open(devnullpath, os.O_RDONLY) + os.dup2(fd, 0) + os.close(fd) + if hasattr(self, '_oldsys'): + setattr(sys, patchsysdict[self.targetfd], DontReadFromInput()) + else: + os.dup2(self.tmpfile.fileno(), self.targetfd) + if hasattr(self, '_oldsys'): + setattr(sys, patchsysdict[self.targetfd], self.tmpfile) + + def done(self): + """ unpatch and clean up, returns the self.tmpfile (file object) + """ + os.dup2(self._savefd, self.targetfd) + os.close(self._savefd) + if self.targetfd != 0: + self.tmpfile.seek(0) + if hasattr(self, '_oldsys'): + setattr(sys, patchsysdict[self.targetfd], self._oldsys) + return self.tmpfile + + def writeorg(self, data): + """ write a string to the original file descriptor + """ + tempfp = tempfile.TemporaryFile() + try: + os.dup2(self._savefd, tempfp.fileno()) + tempfp.write(data) + finally: + tempfp.close() + + +def dupfile(f, mode=None, buffering=0, raising=False, encoding=None): + """ return a new open file object that's a duplicate of f + + mode is duplicated if not given, 'buffering' controls + buffer size (defaulting to no buffering) and 'raising' + defines whether an exception is raised when an incompatible + file object is passed in (if raising is False, the file + object itself will be returned) + """ + try: + fd = f.fileno() + except AttributeError: + if raising: + raise + return f + newfd = os.dup(fd) + mode = mode and mode or f.mode + if sys.version_info >= (3,0): + if encoding is not None: + mode = mode.replace("b", "") + buffering = True + return os.fdopen(newfd, mode, buffering, encoding, closefd=True) + else: + f = os.fdopen(newfd, mode, buffering) + if encoding is not None: + return EncodedFile(f, encoding) + return f + +class EncodedFile(object): + def __init__(self, _stream, encoding): + self._stream = _stream + self.encoding = encoding + + def write(self, obj): + if isinstance(obj, unicode): + obj = obj.encode(self.encoding) + elif isinstance(obj, str): + pass + else: + obj = str(obj) + self._stream.write(obj) + + def writelines(self, linelist): + data = ''.join(linelist) + self.write(data) + + def __getattr__(self, name): + return getattr(self._stream, name) + +class Capture(object): + def call(cls, func, *args, **kwargs): + """ return a (res, out, err) tuple where + out and err represent the output/error output + during function execution. + call the given function with args/kwargs + and capture output/error during its execution. + """ + so = cls() + try: + res = func(*args, **kwargs) + finally: + out, err = so.reset() + return res, out, err + call = classmethod(call) + + def reset(self): + """ reset sys.stdout/stderr and return captured output as strings. """ + if hasattr(self, '_reset'): + raise ValueError("was already reset") + self._reset = True + outfile, errfile = self.done(save=False) + out, err = "", "" + if outfile and not outfile.closed: + out = outfile.read() + outfile.close() + if errfile and errfile != outfile and not errfile.closed: + err = errfile.read() + errfile.close() + return out, err + + def suspend(self): + """ return current snapshot captures, memorize tempfiles. """ + outerr = self.readouterr() + outfile, errfile = self.done() + return outerr + + +class StdCaptureFD(Capture): + """ This class allows to capture writes to FD1 and FD2 + and may connect a NULL file to FD0 (and prevent + reads from sys.stdin). If any of the 0,1,2 file descriptors + is invalid it will not be captured. + """ + def __init__(self, out=True, err=True, mixed=False, + in_=True, patchsys=True, now=True): + self._options = locals() + self._save() + if now: + self.startall() + + def _save(self): + in_ = self._options['in_'] + out = self._options['out'] + err = self._options['err'] + mixed = self._options['mixed'] + patchsys = self._options['patchsys'] + if in_: + try: + self.in_ = FDCapture(0, tmpfile=None, now=False, + patchsys=patchsys) + except OSError: + pass + if out: + tmpfile = None + if hasattr(out, 'write'): + tmpfile = out + try: + self.out = FDCapture(1, tmpfile=tmpfile, + now=False, patchsys=patchsys) + self._options['out'] = self.out.tmpfile + except OSError: + pass + if err: + if out and mixed: + tmpfile = self.out.tmpfile + elif hasattr(err, 'write'): + tmpfile = err + else: + tmpfile = None + try: + self.err = FDCapture(2, tmpfile=tmpfile, + now=False, patchsys=patchsys) + self._options['err'] = self.err.tmpfile + except OSError: + pass + + def startall(self): + if hasattr(self, 'in_'): + self.in_.start() + if hasattr(self, 'out'): + self.out.start() + if hasattr(self, 'err'): + self.err.start() + + def resume(self): + """ resume capturing with original temp files. """ + self.startall() + + def done(self, save=True): + """ return (outfile, errfile) and stop capturing. """ + outfile = errfile = None + if hasattr(self, 'out') and not self.out.tmpfile.closed: + outfile = self.out.done() + if hasattr(self, 'err') and not self.err.tmpfile.closed: + errfile = self.err.done() + if hasattr(self, 'in_'): + tmpfile = self.in_.done() + if save: + self._save() + return outfile, errfile + + def readouterr(self): + """ return snapshot value of stdout/stderr capturings. """ + l = [] + for name in ('out', 'err'): + res = "" + if hasattr(self, name): + f = getattr(self, name).tmpfile + f.seek(0) + res = f.read() + f.truncate(0) + f.seek(0) + l.append(res) + return l + +class StdCapture(Capture): + """ This class allows to capture writes to sys.stdout|stderr "in-memory" + and will raise errors on tries to read from sys.stdin. It only + modifies sys.stdout|stderr|stdin attributes and does not + touch underlying File Descriptors (use StdCaptureFD for that). + """ + def __init__(self, out=True, err=True, in_=True, mixed=False, now=True): + self._oldout = sys.stdout + self._olderr = sys.stderr + self._oldin = sys.stdin + if out and not hasattr(out, 'file'): + out = TextIO() + self.out = out + if err: + if mixed: + err = out + elif not hasattr(err, 'write'): + err = TextIO() + self.err = err + self.in_ = in_ + if now: + self.startall() + + def startall(self): + if self.out: + sys.stdout = self.out + if self.err: + sys.stderr = self.err + if self.in_: + sys.stdin = self.in_ = DontReadFromInput() + + def done(self, save=True): + """ return (outfile, errfile) and stop capturing. """ + outfile = errfile = None + if self.out and not self.out.closed: + sys.stdout = self._oldout + outfile = self.out + outfile.seek(0) + if self.err and not self.err.closed: + sys.stderr = self._olderr + errfile = self.err + errfile.seek(0) + if self.in_: + sys.stdin = self._oldin + return outfile, errfile + + def resume(self): + """ resume capturing with original temp files. """ + self.startall() + + def readouterr(self): + """ return snapshot value of stdout/stderr capturings. """ + out = err = "" + if self.out: + out = self.out.getvalue() + self.out.truncate(0) + self.out.seek(0) + if self.err: + err = self.err.getvalue() + self.err.truncate(0) + self.err.seek(0) + return out, err + +class DontReadFromInput: + """Temporary stub class. Ideally when stdin is accessed, the + capturing should be turned off, with possibly all data captured + so far sent to the screen. This should be configurable, though, + because in automated test runs it is better to crash than + hang indefinitely. + """ + def read(self, *args): + raise IOError("reading from stdin while output is captured") + readline = read + readlines = read + __iter__ = read + + def fileno(self): + raise ValueError("redirected Stdin is pseudofile, has no fileno()") + def isatty(self): + return False + def close(self): + pass + +try: + devnullpath = os.devnull +except AttributeError: + if os.name == 'nt': + devnullpath = 'NUL' + else: + devnullpath = '/dev/null' diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/capture.pyo b/eggs/py-1.4.0-py2.6.egg/py/_io/capture.pyo Binary files differnew file mode 100644 index 0000000..21b8e59 --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/capture.pyo diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.py b/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.py new file mode 100644 index 0000000..afc968d --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.py @@ -0,0 +1,54 @@ +import py +import sys, os.path + +builtin_repr = repr + +reprlib = py.builtin._tryimport('repr', 'reprlib') + +class SafeRepr(reprlib.Repr): + """ subclass of repr.Repr that limits the resulting size of repr() + and includes information on exceptions raised during the call. + """ + def repr(self, x): + return self._callhelper(reprlib.Repr.repr, self, x) + + def repr_instance(self, x, level): + return self._callhelper(builtin_repr, x) + + def _callhelper(self, call, x, *args): + try: + # Try the vanilla repr and make sure that the result is a string + s = call(x, *args) + except py.builtin._sysex: + raise + except: + cls, e, tb = sys.exc_info() + exc_name = getattr(cls, '__name__', 'unknown') + try: + exc_info = str(e) + except sysex: + raise + except: + exc_info = 'unknown' + return '<[%s("%s") raised in repr()] %s object at 0x%x>' % ( + exc_name, exc_info, x.__class__.__name__, id(x)) + else: + if len(s) > self.maxsize: + i = max(0, (self.maxsize-3)//2) + j = max(0, self.maxsize-3-i) + s = s[:i] + '...' + s[len(s)-j:] + return s + +def saferepr(obj, maxsize=240): + """ return a size-limited safe repr-string for the given object. + Failing __repr__ functions of user instances will be represented + with a short exception info and 'saferepr' generally takes + care to never raise exceptions itself. This function is a wrapper + around the Repr/reprlib functionality of the standard 2.6 lib. + """ + # review exception handling + srepr = SafeRepr() + srepr.maxstring = maxsize + srepr.maxsize = maxsize + srepr.maxother = 160 + return srepr.repr(obj) diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.pyo b/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.pyo Binary files differnew file mode 100644 index 0000000..ffbde23 --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/saferepr.pyo diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.py b/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.py new file mode 100644 index 0000000..1d9b80f --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.py @@ -0,0 +1,285 @@ +""" + +Helper functions for writing to terminals and files. + +""" + + +import sys, os +import py + +win32_and_ctypes = False +if sys.platform == "win32": + try: + import ctypes + win32_and_ctypes = True + except ImportError: + pass + +def _getdimensions(): + import termios,fcntl,struct + call = fcntl.ioctl(1,termios.TIOCGWINSZ,"\000"*8) + height,width = struct.unpack( "hhhh", call ) [:2] + return height, width + + +def get_terminal_width(): + try: + height, width = _getdimensions() + except py.builtin._sysex: + raise + except: + # FALLBACK + width = int(os.environ.get('COLUMNS', 80)) + else: + # XXX the windows getdimensions may be bogus, let's sanify a bit + if width < 40: + width = 80 + return width + +terminal_width = get_terminal_width() + +# XXX unify with _escaped func below +def ansi_print(text, esc, file=None, newline=True, flush=False): + if file is None: + file = sys.stderr + text = text.rstrip() + 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 win32_and_ctypes 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) + oldcolors = GetConsoleInfo(handle).wAttributes + attr |= (oldcolors & 0x0f0) + SetConsoleTextAttribute(handle, attr) + file.write(text) + SetConsoleTextAttribute(handle, oldcolors) + else: + file.write(text) + + if flush: + file.flush() + +def should_do_markup(file): + return hasattr(file, 'isatty') and file.isatty() \ + and os.environ.get('TERM') != 'dumb' \ + and not (sys.platform.startswith('java') and os._name == 'nt') + +class TerminalWriter(object): + _esctable = dict(black=30, red=31, green=32, yellow=33, + blue=34, purple=35, cyan=36, white=37, + Black=40, Red=41, Green=42, Yellow=43, + Blue=44, Purple=45, Cyan=46, White=47, + bold=1, light=2, blink=5, invert=7) + + # XXX deprecate stringio argument + def __init__(self, file=None, stringio=False, encoding=None): + if file is None: + if stringio: + self.stringio = file = py.io.TextIO() + else: + file = py.std.sys.stdout + if hasattr(file, 'encoding'): + encoding = file.encoding + elif hasattr(file, '__call__'): + file = WriteFile(file, encoding=encoding) + self.encoding = encoding + self._file = file + self.fullwidth = get_terminal_width() + self.hasmarkup = should_do_markup(file) + + def _escaped(self, text, esc): + if esc and self.hasmarkup: + text = (''.join(['\x1b[%sm' % cod for cod in esc]) + + text +'\x1b[0m') + return text + + def markup(self, text, **kw): + esc = [] + for name in kw: + if name not in self._esctable: + raise ValueError("unknown markup: %r" %(name,)) + if kw[name]: + esc.append(self._esctable[name]) + return self._escaped(text, tuple(esc)) + + def sep(self, sepchar, title=None, fullwidth=None, **kw): + if fullwidth is None: + fullwidth = self.fullwidth + # 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: + if not isinstance(self._file, WriteFile): + s = self._getbytestring(s) + if self.hasmarkup and kw: + s = self.markup(s, **kw) + self._file.write(s) + self._file.flush() + + def _getbytestring(self, s): + # XXX review this and the whole logic + if self.encoding and sys.version_info[0] < 3 and isinstance(s, unicode): + return s.encode(self.encoding) + elif not isinstance(s, str): + try: + return str(s) + except UnicodeEncodeError: + return "<print-error '%s' object>" % type(s).__name__ + return s + + def line(self, s='', **kw): + self.write(s, **kw) + self.write('\n') + +class Win32ConsoleWriter(TerminalWriter): + def write(self, s, **kw): + if s: + oldcolors = None + if self.hasmarkup and kw: + handle = GetStdHandle(STD_OUTPUT_HANDLE) + oldcolors = GetConsoleInfo(handle).wAttributes + default_bg = oldcolors & 0x00F0 + attr = default_bg + 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_BLACK # (oldcolors & 0x0007) + + SetConsoleTextAttribute(handle, attr) + if not isinstance(self._file, WriteFile): + s = self._getbytestring(s) + self._file.write(s) + self._file.flush() + if oldcolors: + SetConsoleTextAttribute(handle, oldcolors) + + def line(self, s="", **kw): + self.write(s+"\n", **kw) + +class WriteFile(object): + def __init__(self, writemethod, encoding=None): + self.encoding = encoding + self._writemethod = writemethod + + def write(self, data): + if self.encoding: + data = data.encode(self.encoding) + self._writemethod(data) + + def flush(self): + return + + +if win32_and_ctypes: + TerminalWriter = Win32ConsoleWriter + import ctypes + from ctypes import wintypes + + # ctypes access to the Windows console + STD_OUTPUT_HANDLE = -11 + STD_ERROR_HANDLE = -12 + FOREGROUND_BLACK = 0x0000 # black text + 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_BLACK = 0x0000 # background color black + BACKGROUND_BLUE = 0x0010 # background color contains blue. + BACKGROUND_GREEN = 0x0020 # background color contains green. + BACKGROUND_RED = 0x0040 # background color contains red. + BACKGROUND_WHITE = 0x0070 + BACKGROUND_INTENSITY = 0x0080 # background color is intensified. + + 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)] + + def GetStdHandle(kind): + return ctypes.windll.kernel32.GetStdHandle(kind) + + SetConsoleTextAttribute = \ + ctypes.windll.kernel32.SetConsoleTextAttribute + + def GetConsoleInfo(handle): + info = CONSOLE_SCREEN_BUFFER_INFO() + ctypes.windll.kernel32.GetConsoleScreenBufferInfo(\ + handle, ctypes.byref(info)) + return info + + def _getdimensions(): + handle = GetStdHandle(STD_OUTPUT_HANDLE) + info = GetConsoleInfo(handle) + # Substract one from the width, otherwise the cursor wraps + # and the ending \n causes an empty line to display. + return info.dwSize.Y, info.dwSize.X - 1 + diff --git a/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.pyo b/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.pyo Binary files differnew file mode 100644 index 0000000..49ab00c --- /dev/null +++ b/eggs/py-1.4.0-py2.6.egg/py/_io/terminalwriter.pyo |