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  • Committer: Ian Clatworthy
  • Date: 2009-12-03 23:21:16 UTC
  • mfrom: (4852.4.1 RCStoVCS)
  • mto: This revision was merged to the branch mainline in revision 4860.
  • Revision ID: ian.clatworthy@canonical.com-20091203232116-f8igfvc6muqrn4yx
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bzrlib/win32utils.py
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# Copyright (C) 2005-2010 Canonical Ltd
 
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# Copyright (C) 2006, 2007 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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import glob
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import os
 
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import re
 
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import shlex
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import struct
 
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import StringIO
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import sys
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from bzrlib import cmdline
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# Windows version
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if sys.platform == 'win32':
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                'WorkingSetSize': mem_struct.WorkingSetSize,
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                'QuotaPeakPagedPoolUsage': mem_struct.QuotaPeakPagedPoolUsage,
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                'QuotaPagedPoolUsage': mem_struct.QuotaPagedPoolUsage,
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                'QuotaPeakNonPagedPoolUsage':
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                    mem_struct.QuotaPeakNonPagedPoolUsage,
 
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                'QuotaPeakNonPagedPoolUsage': mem_struct.QuotaPeakNonPagedPoolUsage,
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                'QuotaNonPagedPoolUsage': mem_struct.QuotaNonPagedPoolUsage,
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                'PagefileUsage': mem_struct.PagefileUsage,
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                'PeakPagefileUsage': mem_struct.PeakPagefileUsage,
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                   ' or win32process')
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        return
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    if short:
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        # using base-2 units (see HACKING.txt).
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        trace.note('WorkingSize %7dKiB'
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                   '\tPeakWorking %7dKiB\t%s',
 
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        trace.note('WorkingSize %7dKB'
 
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                   '\tPeakWorking %7dKB\t%s',
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                   info['WorkingSetSize'] / 1024,
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                   info['PeakWorkingSetSize'] / 1024,
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                   message)
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        return
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    if message:
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        trace.note('%s', message)
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    trace.note('WorkingSize       %8d KiB', info['WorkingSetSize'] / 1024)
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    trace.note('PeakWorking       %8d KiB', info['PeakWorkingSetSize'] / 1024)
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    trace.note('PagefileUsage     %8d KiB', info.get('PagefileUsage', 0) / 1024)
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    trace.note('PeakPagefileUsage %8d KiB',
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               info.get('PeakPagefileUsage', 0) / 1024)
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    trace.note('PrivateUsage      %8d KiB', info.get('PrivateUsage', 0) / 1024)
 
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    trace.note('WorkingSize       %8d KB', info['WorkingSetSize'] / 1024)
 
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    trace.note('PeakWorking       %8d KB', info['PeakWorkingSetSize'] / 1024)
 
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    trace.note('PagefileUsage     %8d KB', info.get('PagefileUsage', 0) / 1024)
 
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    trace.note('PeakPagefileUsage %8d KB', info.get('PeakPagefileUsage', 0) / 1024)
 
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    trace.note('PrivateUsage      %8d KB', info.get('PrivateUsage', 0) / 1024)
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    trace.note('PageFaultCount    %8d', info.get('PageFaultCount', 0))
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        return (defaultx, defaulty)
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    # To avoid problem with redirecting output via pipe
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    # we need to use stderr instead of stdout
 
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    # need to use stderr instead of stdout
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    h = ctypes.windll.kernel32.GetStdHandle(WIN32_STDERR_HANDLE)
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    csbi = ctypes.create_string_buffer(22)
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    res = ctypes.windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
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    if res:
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        (bufx, bufy, curx, cury, wattr,
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        left, top, right, bottom, maxx, maxy) = struct.unpack(
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            "hhhhHhhhhhh", csbi.raw)
 
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        left, top, right, bottom, maxx, maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)
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        sizex = right - left + 1
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        sizey = bottom - top + 1
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        return (sizex, sizey)
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def _ensure_unicode(s):
 
395
    from bzrlib import osutils
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    if s and type(s) != unicode:
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        from bzrlib import osutils
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        s = s.decode(osutils.get_user_encoding())
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def _ensure_with_dir(path):
417
 
    if (not os.path.split(path)[0] or path.startswith(u'*')
418
 
        or path.startswith(u'?')):
 
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    if not os.path.split(path)[0] or path.startswith(u'*') or path.startswith(u'?'):
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        return u'./' + path, True
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    else:
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        return path, False
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            trace.mutter('Unable to set hidden attribute on %r: %s', path, e)
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522
 
525
 
def _command_line_to_argv(command_line, single_quotes_allowed=False):
526
 
    """Convert a Unicode command line into a list of argv arguments.
527
 
 
528
 
    It performs wildcard expansion to make wildcards act closer to how they
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    work in posix shells, versus how they work by default on Windows. Quoted
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    arguments are left untouched.
531
 
 
532
 
    :param command_line: The unicode string to split into an arg list.
533
 
    :param single_quotes_allowed: Whether single quotes are accepted as quoting
534
 
                                  characters like double quotes. False by
535
 
                                  default.
536
 
    :return: A list of unicode strings.
537
 
    """
538
 
    s = cmdline.Splitter(command_line, single_quotes_allowed=single_quotes_allowed)
539
 
    # Now that we've split the content, expand globs if necessary
 
523
 
 
524
class UnicodeShlex(object):
 
525
    """This is a very simplified version of shlex.shlex.
 
526
 
 
527
    The main change is that it supports non-ascii input streams. The internal
 
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    structure is quite simplified relative to shlex.shlex, since we aren't
 
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    trying to handle multiple input streams, etc. In fact, we don't use a
 
530
    file-like api either.
 
531
    """
 
532
 
 
533
    def __init__(self, uni_string):
 
534
        self._input = uni_string
 
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        self._input_iter = iter(self._input)
 
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        self._whitespace_match = re.compile(u'\s').match
 
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        self._word_match = re.compile(u'\S').match
 
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        self._quote_chars = u'"'
 
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        # self._quote_match = re.compile(u'[\'"]').match
 
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        self._escape_match = lambda x: None # Never matches
 
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        self._escape = '\\'
 
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        # State can be
 
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        #   ' ' - after whitespace, starting a new token
 
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        #   'a' - after text, currently working on a token
 
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        #   '"' - after ", currently in a "-delimited quoted section
 
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        #   "\" - after '\', checking the next char
 
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        self._state = ' '
 
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        self._token = [] # Current token being parsed
 
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550
    def _get_token(self):
 
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        # Were there quote chars as part of this token?
 
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        quoted = False
 
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        quoted_state = None
 
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        for nextchar in self._input_iter:
 
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            if self._state == ' ':
 
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                if self._whitespace_match(nextchar):
 
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                    # if self._token: return token
 
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                    continue
 
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                elif nextchar in self._quote_chars:
 
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                    self._state = nextchar # quoted state
 
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                elif self._word_match(nextchar):
 
562
                    self._token.append(nextchar)
 
563
                    self._state = 'a'
 
564
                else:
 
565
                    raise AssertionError('wtttf?')
 
566
            elif self._state in self._quote_chars:
 
567
                quoted = True
 
568
                if nextchar == self._state: # End of quote
 
569
                    self._state = 'a' # posix allows 'foo'bar to translate to
 
570
                                      # foobar
 
571
                elif self._state == '"' and nextchar == self._escape:
 
572
                    quoted_state = self._state
 
573
                    self._state = nextchar
 
574
                else:
 
575
                    self._token.append(nextchar)
 
576
            elif self._state == self._escape:
 
577
                if nextchar == '\\':
 
578
                    self._token.append('\\')
 
579
                elif nextchar == '"':
 
580
                    self._token.append(nextchar)
 
581
                else:
 
582
                    self._token.append('\\' + nextchar)
 
583
                self._state = quoted_state
 
584
            elif self._state == 'a':
 
585
                if self._whitespace_match(nextchar):
 
586
                    if self._token:
 
587
                        break # emit this token
 
588
                    else:
 
589
                        continue # no token to emit
 
590
                elif nextchar in self._quote_chars:
 
591
                    # Start a new quoted section
 
592
                    self._state = nextchar
 
593
                # escape?
 
594
                elif (self._word_match(nextchar)
 
595
                      or nextchar in self._quote_chars
 
596
                      # or whitespace_split?
 
597
                      ):
 
598
                    self._token.append(nextchar)
 
599
                else:
 
600
                    raise AssertionError('state == "a", char: %r'
 
601
                                         % (nextchar,))
 
602
            else:
 
603
                raise AssertionError('unknown state: %r' % (self._state,))
 
604
        result = ''.join(self._token)
 
605
        self._token = []
 
606
        if not quoted and result == '':
 
607
            result = None
 
608
        return quoted, result
 
609
 
 
610
    def __iter__(self):
 
611
        return self
 
612
 
 
613
    def next(self):
 
614
        quoted, token = self._get_token()
 
615
        if token is None:
 
616
            raise StopIteration
 
617
        return quoted, token
 
618
 
 
619
 
 
620
def _command_line_to_argv(command_line):
 
621
    """Convert a Unicode command line into a set of argv arguments.
 
622
 
 
623
    This does wildcard expansion, etc. It is intended to make wildcards act
 
624
    closer to how they work in posix shells, versus how they work by default on
 
625
    Windows.
 
626
    """
 
627
    s = UnicodeShlex(command_line)
 
628
    # Now that we've split the content, expand globs
540
629
    # TODO: Use 'globbing' instead of 'glob.glob', this gives us stuff like
541
630
    #       '**/' style globs
542
631
    args = []
550
639
 
551
640
if has_ctypes and winver != 'Windows 98':
552
641
    def get_unicode_argv():
553
 
        prototype = ctypes.WINFUNCTYPE(ctypes.c_wchar_p)
554
 
        GetCommandLineW = prototype(("GetCommandLineW",
555
 
                                     ctypes.windll.kernel32))
556
 
        command_line = GetCommandLineW()
557
 
        if command_line is None:
558
 
            raise ctypes.WinError()
 
642
        LPCWSTR = ctypes.c_wchar_p
 
643
        INT = ctypes.c_int
 
644
        POINTER = ctypes.POINTER
 
645
        prototype = ctypes.WINFUNCTYPE(LPCWSTR)
 
646
        GetCommandLine = prototype(("GetCommandLineW",
 
647
                                    ctypes.windll.kernel32))
 
648
        prototype = ctypes.WINFUNCTYPE(POINTER(LPCWSTR), LPCWSTR, POINTER(INT))
 
649
        command_line = GetCommandLine()
559
650
        # Skip the first argument, since we only care about parameters
560
 
        argv = _command_line_to_argv(command_line)[1:]
 
651
        argv = _command_line_to_argv(GetCommandLine())[1:]
561
652
        if getattr(sys, 'frozen', None) is None:
562
653
            # Invoked via 'python.exe' which takes the form:
563
654
            #   python.exe [PYTHON_OPTIONS] C:\Path\bzr [BZR_OPTIONS]