16
16
# along with this program; if not, write to the Free Software
17
17
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19
import os, types, re, time, types
19
import os, types, re, time, errno, sys
20
20
from stat import S_ISREG, S_ISDIR, S_ISLNK, ST_MODE, ST_SIZE
22
from errors import bailout
22
from bzrlib.errors import BzrError
23
from bzrlib.trace import mutter
24
26
def make_readonly(filename):
25
27
"""Make a filename read-only."""
54
59
elif S_ISLNK(mode):
57
bailout("can't handle file kind with mode %o of %r" % (mode, f))
62
raise BzrError("can't handle file kind with mode %o of %r" % (mode, f))
65
def kind_marker(kind):
68
elif kind == 'directory':
70
elif kind == 'symlink':
73
raise BzrError('invalid file kind %r' % kind)
78
"""Copy a file to a backup.
80
Backups are named in GNU-style, with a ~ suffix.
82
If the file is already a backup, it's not copied.
95
outf = file(bfn, 'wb')
101
def rename(path_from, path_to):
102
"""Basically the same as os.rename() just special for win32"""
103
if sys.platform == 'win32':
107
if e.errno != e.ENOENT:
109
os.rename(path_from, path_to)
132
def is_inside(dir, fname):
133
"""True if fname is inside dir.
135
return os.path.commonprefix([dir, fname]) == dir
138
def is_inside_any(dir_list, fname):
139
"""True if fname is inside any of given dirs."""
140
# quick scan for perfect match
141
if fname in dir_list:
144
for dirname in dir_list:
145
if is_inside(dirname, fname):
78
151
def pumpfile(fromfile, tofile):
79
152
"""Copy contents of one file to another."""
80
153
tofile.write(fromfile.read())
118
"""Return email-style username.
120
Something similar to 'Martin Pool <mbp@sourcefrog.net>'
122
:todo: Check it's reasonably well-formed.
124
:todo: Allow taking it from a dotfile to help people on windows
125
who can't easily set variables.
127
:todo: Cope without pwd module, which is only on unix.
129
e = os.environ.get('BZREMAIL') or os.environ.get('EMAIL')
186
def fingerprint_file(f):
192
return {'size': size,
193
'sha1': s.hexdigest()}
197
"""Return per-user configuration directory.
199
By default this is ~/.bzr.conf/
201
TODO: Global option --config-dir to override this.
203
return os.path.expanduser("~/.bzr.conf")
207
"""Calculate automatic user identification.
209
Returns (realname, email).
211
Only used when none is set in the environment or the id file.
213
This previously used the FQDN as the default domain, but that can
214
be very slow on machines where DNS is broken. So now we simply
219
# XXX: Any good way to get real user name on win32?
136
223
uid = os.getuid()
137
224
w = pwd.getpwuid(uid)
225
gecos = w.pw_gecos.decode(bzrlib.user_encoding)
226
username = w.pw_name.decode(bzrlib.user_encoding)
139
227
comma = gecos.find(',')
143
231
realname = gecos[:comma]
144
return '%s <%s@%s>' % (realname, w.pw_name, socket.getfqdn())
145
235
except ImportError:
148
import getpass, socket
149
return '<%s@%s>' % (getpass.getuser(), socket.getfqdn())
237
realname = username = getpass.getuser().decode(bzrlib.user_encoding)
239
return realname, (username + '@' + socket.gethostname())
243
"""Return the full user id from a file or environment variable.
245
TODO: Allow taking this from a file in the branch directory too
246
for per-branch ids."""
247
v = os.environ.get('BZREMAIL')
249
return v.decode(bzrlib.user_encoding)
252
return (open(os.path.join(config_dir(), "email"))
254
.decode(bzrlib.user_encoding)
257
if e.errno != errno.ENOENT:
260
v = os.environ.get('EMAIL')
262
return v.decode(bzrlib.user_encoding)
268
"""Return email-style username.
270
Something similar to 'Martin Pool <mbp@sourcefrog.net>'
272
TODO: Check it's reasonably well-formed.
278
name, email = _auto_user_id()
280
return '%s <%s>' % (name, email)
285
_EMAIL_RE = re.compile(r'[\w+.-]+@[\w+.-]+')
152
286
def user_email():
153
287
"""Return just the email component of a username."""
154
e = os.environ.get('BZREMAIL') or os.environ.get('EMAIL')
157
m = re.search(r'[\w+.-]+@[\w+.-]+', e)
290
m = _EMAIL_RE.search(e)
159
bailout('%r is not a reasonable email address' % e)
292
raise BzrError("%r doesn't seem to contain a reasonable email address" % e)
160
293
return m.group(0)
163
import getpass, socket
164
return '%s@%s' % (getpass.getuser(), socket.getfqdn())
295
return _auto_user_id()[1]
169
299
def compare_files(a, b):
170
300
"""Returns true if equal in contents"""
171
# TODO: don't read the whole thing in one go.
172
result = a.read() == b.read()
177
def local_time_offset():
312
def local_time_offset(t=None):
313
"""Return offset of local zone from GMT, either at present or at time t."""
314
# python2.3 localtime() can't take None
318
if time.localtime(t).tm_isdst and time.daylight:
179
319
return -time.altzone
181
321
return -time.timezone
197
335
tt = time.gmtime(t + offset)
198
336
elif timezone == 'local':
199
337
tt = time.localtime(t)
200
offset = local_time_offset()
338
offset = local_time_offset(t)
202
bailout("unsupported timezone format %r",
340
raise BzrError("unsupported timezone format %r",
203
341
['options are "utc", "original", "local"'])
205
343
return (time.strftime("%a %Y-%m-%d %H:%M:%S", tt)
219
357
if hasattr(os, 'urandom'): # python 2.4 and later
220
358
rand_bytes = os.urandom
359
elif sys.platform == 'linux2':
360
rand_bytes = file('/dev/urandom', 'rb').read
222
# FIXME: No good on non-Linux
223
_rand_file = file('/dev/urandom', 'rb')
224
rand_bytes = _rand_file.read
362
# not well seeded, but better than nothing
367
s += chr(random.randint(0, 255))
227
372
## TODO: We could later have path objects that remember their list
241
386
>>> splitpath('a/../b')
242
387
Traceback (most recent call last):
244
BzrError: ("sorry, '..' not allowed in path", [])
389
BzrError: sorry, '..' not allowed in path
246
391
assert isinstance(p, types.StringTypes)
247
ps = [f for f in p.split('/') if f != '.']
393
# split on either delimiter because people might use either on
395
ps = re.split(r'[\\/]', p)
250
bailout("sorry, %r not allowed in path" % f)
400
raise BzrError("sorry, %r not allowed in path" % f)
401
elif (f == '.') or (f == ''):
254
408
assert isinstance(p, list)
256
if (f == '..') or (f is None) or (f == ''):
257
bailout("sorry, %r not allowed in path" % f)
410
if (f == '..') or (f == None) or (f == ''):
411
raise BzrError("sorry, %r not allowed in path" % f)
412
return os.path.join(*p)
261
415
def appendpath(p1, p2):
419
return os.path.join(p1, p2)
268
422
def extern_command(cmd, ignore_errors = False):
269
423
mutter('external command: %s' % `cmd`)
270
424
if os.system(cmd):
271
425
if not ignore_errors:
272
bailout('command failed')
426
raise BzrError('command failed')
429
def _read_config_value(name):
430
"""Read a config value from the file ~/.bzr.conf/<name>
431
Return None if the file does not exist"""
433
f = file(os.path.join(config_dir(), name), "r")
434
return f.read().decode(bzrlib.user_encoding).rstrip("\r\n")
436
if e.errno == errno.ENOENT:
442
"""Return a sequence of possible editor binaries for the current platform"""
443
e = _read_config_value("editor")
447
if os.name == "windows":
449
elif os.name == "posix":
451
yield os.environ["EDITOR"]
456
def _run_editor(filename):
457
"""Try to execute an editor to edit the commit message. Returns True on success,
459
for e in _get_editor():
460
x = os.spawnvp(os.P_WAIT, e, (e, filename))
467
raise BzrError("Could not start any editor. Please specify $EDITOR or use ~/.bzr.conf/editor")
471
def get_text_message(infotext, ignoreline = "default"):
474
if ignoreline == "default":
475
ignoreline = "-- This line and the following will be ignored --"
478
tmp_fileno, msgfilename = tempfile.mkstemp()
479
msgfile = os.close(tmp_fileno)
480
if infotext is not None and infotext != "":
482
msgfile = file(msgfilename, "w")
483
msgfile.write("\n\n%s\n\n%s" % (ignoreline, infotext))
488
if not _run_editor(msgfilename):
493
lastline, nlines = 0, 0
494
for line in file(msgfilename, "r"):
495
stripped_line = line.strip()
496
# strip empty line before the log message starts
498
if stripped_line != "":
502
# check for the ignore line only if there
503
# is additional information at the end
504
if hasinfo and stripped_line == ignoreline:
507
# keep track of the last line that had some content
508
if stripped_line != "":
514
# delete empty lines at the end
516
# add a newline at the end, if needed
517
if not msg[-1].endswith("\n"):
518
return "%s%s" % ("".join(msg), "\n")
522
# delete the msg file in any case
523
try: os.unlink(msgfilename)