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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, sys
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from stat import S_ISREG, S_ISDIR, S_ISLNK, ST_MODE, ST_SIZE
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import os, types, re, time, types
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from stat import S_ISREG, S_ISDIR, ST_MODE, ST_SIZE
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from bzrlib.errors import BzrError
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from bzrlib.trace import mutter
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from errors import bailout
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def make_readonly(filename):
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"""Make a filename read-only."""
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elif S_ISDIR(mode):
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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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bailout("can't handle file kind of %r" % fp)
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def fingerprint_file(f):
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return {'size': size,
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'sha1': s.hexdigest()}
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"""Return per-user configuration directory.
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By default this is ~/.bzr.conf/
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TODO: Global option --config-dir to override this.
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return os.path.expanduser("~/.bzr.conf")
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"""Calculate automatic user identification.
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Returns (realname, email).
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Only used when none is set in the environment or the id file.
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This previously used the FQDN as the default domain, but that can
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be very slow on machines where DNS is broken. So now we simply
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"""Return email-style username.
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Something similar to 'Martin Pool <mbp@sourcefrog.net>'
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:todo: Check it's reasonably well-formed.
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:todo: Allow taking it from a dotfile to help people on windows
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who can't easily set variables.
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:todo: Cope without pwd module, which is only on unix.
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e = os.environ.get('BZREMAIL') or os.environ.get('EMAIL')
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# XXX: Any good way to get real user name on win32?
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uid = os.getuid()
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w = pwd.getpwuid(uid)
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gecos = w.pw_gecos.decode(bzrlib.user_encoding)
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username = w.pw_name.decode(bzrlib.user_encoding)
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comma = gecos.find(',')
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realname = gecos[:comma]
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realname, junk = w.pw_gecos.split(',', 1)
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return '%s <%s@%s>' % (realname, w.pw_name, socket.getfqdn())
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except ImportError:
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realname = username = getpass.getuser().decode(bzrlib.user_encoding)
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return realname, (username + '@' + socket.gethostname())
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"""Return the full user id from a file or environment variable.
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TODO: Allow taking this from a file in the branch directory too
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for per-branch ids."""
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v = os.environ.get('BZREMAIL')
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return v.decode(bzrlib.user_encoding)
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return (open(os.path.join(config_dir(), "email"))
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.decode(bzrlib.user_encoding)
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if e.errno != errno.ENOENT:
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v = os.environ.get('EMAIL')
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return v.decode(bzrlib.user_encoding)
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"""Return email-style username.
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Something similar to 'Martin Pool <mbp@sourcefrog.net>'
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TODO: Check it's reasonably well-formed.
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name, email = _auto_user_id()
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return '%s <%s>' % (name, email)
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_EMAIL_RE = re.compile(r'[\w+.-]+@[\w+.-]+')
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import getpass, socket
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return '<%s@%s>' % (getpass.getuser(), socket.getfqdn())
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def user_email():
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"""Return just the email component of a username."""
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e = os.environ.get('BZREMAIL') or os.environ.get('EMAIL')
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m = _EMAIL_RE.search(e)
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m = re.search(r'[\w+.-]+@[\w+.-]+', e)
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raise BzrError("%r doesn't seem to contain a reasonable email address" % e)
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bailout('%r is not a reasonable email address' % e)
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return m.group(0)
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return _auto_user_id()[1]
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import getpass, socket
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return '%s@%s' % (getpass.getuser(), socket.getfqdn())
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def compare_files(a, b):
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"""Returns true if equal in contents"""
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def local_time_offset(t=None):
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"""Return offset of local zone from GMT, either at present or at time t."""
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# python2.3 localtime() can't take None
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if time.localtime(t).tm_isdst and time.daylight:
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return -time.timezone
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def format_date(t, offset=0, timezone='original'):
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# TODO: don't read the whole thing in one go.
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result = a.read() == b.read()
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def format_date(t, inutc=False):
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## TODO: Perhaps a global option to use either universal or local time?
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## Or perhaps just let people set $TZ?
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assert isinstance(t, float)
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if timezone == 'utc':
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tt = time.gmtime(t)
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elif timezone == 'original':
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tt = time.gmtime(t + offset)
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elif timezone == 'local':
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tt = time.localtime(t)
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offset = local_time_offset(t)
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raise BzrError("unsupported timezone format %r",
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['options are "utc", "original", "local"'])
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zonename = time.tzname[1]
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offset = - time.altzone
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zonename = time.tzname[0]
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offset = - time.timezone
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return (time.strftime("%a %Y-%m-%d %H:%M:%S", tt)
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+ ' %+03d%02d' % (offset / 3600, (offset / 60) % 60))
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+ ' ' + zonename + ' '
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+ '%+03d%02d' % (offset / 3600, (offset / 60) % 60))
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def compact_date(when):
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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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# split on either delimiter because people might use either on
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ps = re.split(r'[\\/]', p)
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ps = [f for f in p.split('/') if f != '.']
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raise BzrError("sorry, %r not allowed in path" % f)
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elif (f == '.') or (f == ''):
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bailout("sorry, %r not allowed in path" % f)
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assert isinstance(p, list)
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if (f == '..') or (f == None) or (f == ''):
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raise BzrError("sorry, %r not allowed in path" % f)
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return os.path.join(*p)
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if (f == '..') or (f is None) or (f == ''):
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bailout("sorry, %r not allowed in path" % f)
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def appendpath(p1, p2):
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return os.path.join(p1, p2)
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def extern_command(cmd, ignore_errors = False):
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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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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)
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bailout('command failed')