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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import os, types, re, time, errno
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import os, types, re, time, errno, sys
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from stat import S_ISREG, S_ISDIR, S_ISLNK, ST_MODE, ST_SIZE
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from errors import bailout, BzrError
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from trace import mutter
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from bzrlib.errors import BzrError
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from bzrlib.trace import mutter
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def make_readonly(filename):
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_QUOTE_RE = re.compile(r'([^a-zA-Z0-9.,:/_~-])')
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_SLASH_RE = re.compile(r'[\\/]+')
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"""Return shell-quoted filename"""
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## We could be a bit more terse by using double-quotes etc
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f = _QUOTE_RE.sub(r'\\\1', f)
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"""Return a quoted filename filename
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This previously used backslash quoting, but that works poorly on
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# TODO: I'm not really sure this is the best format either.x
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if _QUOTE_RE.search(f):
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elif S_ISLNK(mode):
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raise BzrError("can't handle file kind with mode %o of %r" % (mode, f))
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raise BzrError("can't handle file kind with mode %o of %r" % (mode, f))
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def kind_marker(kind):
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elif kind == 'directory':
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elif kind == 'symlink':
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raise BzrError('invalid file kind %r' % kind)
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"""Copy a file to a backup.
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Backups are named in GNU-style, with a ~ suffix.
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If the file is already a backup, it's not copied.
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outf = file(bfn, 'wb')
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def rename(path_from, path_to):
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"""Basically the same as os.rename() just special for win32"""
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if sys.platform == 'win32':
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if e.errno != e.ENOENT:
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os.rename(path_from, path_to)
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def is_inside(dir, fname):
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"""True if fname is inside dir.
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The parameters should typically be passed to os.path.normpath first, so
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that . and .. and repeated slashes are eliminated, and the separators
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are canonical for the platform.
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>>> is_inside('src', 'src/foo.c')
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>>> is_inside('src', 'srccontrol')
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>>> is_inside('src', 'src/a/a/a/foo.c')
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>>> is_inside('foo.c', 'foo.c')
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# XXX: Most callers of this can actually do something smarter by
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# looking at the inventory
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if dir[-1] != os.sep:
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return fname.startswith(dir)
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def is_inside_any(dir_list, fname):
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"""True if fname is inside any of given dirs."""
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for dirname in dir_list:
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if is_inside(dirname, fname):
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def pumpfile(fromfile, tofile):
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"""Copy contents of one file to another."""
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tofile.write(fromfile.read())
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tt = time.localtime(t)
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offset = local_time_offset(t)
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bailout("unsupported timezone format %r",
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raise BzrError("unsupported timezone format %r",
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['options are "utc", "original", "local"'])
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return (time.strftime("%a %Y-%m-%d %H:%M:%S", tt)
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if hasattr(os, 'urandom'): # python 2.4 and later
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rand_bytes = os.urandom
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elif sys.platform == 'linux2':
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rand_bytes = file('/dev/urandom', 'rb').read
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# FIXME: No good on non-Linux
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_rand_file = file('/dev/urandom', 'rb')
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rand_bytes = _rand_file.read
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# not well seeded, but better than nothing
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s += chr(random.randint(0, 255))
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## TODO: We could later have path objects that remember their list
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>>> splitpath('a/../b')
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Traceback (most recent call last):
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BzrError: ("sorry, '..' not allowed in path", [])
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BzrError: sorry, '..' not allowed in path
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assert isinstance(p, types.StringTypes)
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mutter('external command: %s' % `cmd`)
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if os.system(cmd):
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if not ignore_errors:
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bailout('command failed')
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raise BzrError('command failed')
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def _read_config_value(name):
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"""Read a config value from the file ~/.bzr.conf/<name>
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Return None if the file does not exist"""
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f = file(os.path.join(config_dir(), name), "r")
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return f.read().decode(bzrlib.user_encoding).rstrip("\r\n")
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if e.errno == errno.ENOENT:
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"""Return a sequence of possible editor binaries for the current platform"""
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e = _read_config_value("editor")
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if os.name == "windows":
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elif os.name == "posix":
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yield os.environ["EDITOR"]
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def _run_editor(filename):
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"""Try to execute an editor to edit the commit message. Returns True on success,
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for e in _get_editor():
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x = os.spawnvp(os.P_WAIT, e, (e, filename))
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raise BzrError("Could not start any editor. Please specify $EDITOR or use ~/.bzr.conf/editor")
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def get_text_message(infotext, ignoreline = "default"):
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if ignoreline == "default":
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ignoreline = "-- This line and the following will be ignored --"
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tmp_fileno, msgfilename = tempfile.mkstemp()
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msgfile = os.close(tmp_fileno)
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if infotext is not None and infotext != "":
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msgfile = file(msgfilename, "w")
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msgfile.write("\n\n%s\n\n%s" % (ignoreline, infotext))
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if not _run_editor(msgfilename):
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lastline, nlines = 0, 0
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for line in file(msgfilename, "r"):
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stripped_line = line.strip()
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# strip empty line before the log message starts
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if stripped_line != "":
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# check for the ignore line only if there
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# is additional information at the end
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if hasinfo and stripped_line == ignoreline:
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# keep track of the last line that had some content
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if stripped_line != "":
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# delete empty lines at the end
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# add a newline at the end, if needed
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if not msg[-1].endswith("\n"):
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return "%s%s" % ("".join(msg), "\n")
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# delete the msg file in any case
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try: os.unlink(msgfilename)
added
removed
bzrlib/osutils.py
