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 errors import bailout, BzrError
23
from trace import mutter
24
26
def make_readonly(filename):
25
27
"""Make a filename read-only."""
91
def is_inside(dir, fname):
92
"""True if fname is inside dir.
94
return os.path.commonprefix([dir, fname]) == dir
97
def is_inside_any(dir_list, fname):
98
"""True if fname is inside any of given dirs."""
99
# quick scan for perfect match
100
if fname in dir_list:
103
for dirname in dir_list:
104
if is_inside(dirname, fname):
78
110
def pumpfile(fromfile, tofile):
79
111
"""Copy contents of one file to another."""
80
112
tofile.write(fromfile.read())
84
116
"""Return a new UUID"""
86
## XXX: Could alternatively read /proc/sys/kernel/random/uuid on
87
## Linux, but we need something portable for other systems;
88
## preferably an implementation in Python.
89
bailout('uuids not allowed!')
90
return chomp(os.popen('uuidgen').readline())
93
if s and (s[-1] == '\n'):
118
return file('/proc/sys/kernel/random/uuid').readline().rstrip('\n')
120
return chomp(os.popen('uuidgen').readline())
101
## TODO: Maybe read in chunks to handle big files
102
125
if hasattr(f, 'tell'):
103
126
assert f.tell() == 0
106
134
return s.hexdigest()
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')
145
def fingerprint_file(f):
151
return {'size': size,
152
'sha1': s.hexdigest()}
156
"""Return per-user configuration directory.
158
By default this is ~/.bzr.conf/
160
TODO: Global option --config-dir to override this.
162
return os.path.expanduser("~/.bzr.conf")
166
"""Calculate automatic user identification.
168
Returns (realname, email).
170
Only used when none is set in the environment or the id file.
172
This previously used the FQDN as the default domain, but that can
173
be very slow on machines where DNS is broken. So now we simply
178
# XXX: Any good way to get real user name on win32?
136
182
uid = os.getuid()
137
183
w = pwd.getpwuid(uid)
184
gecos = w.pw_gecos.decode(bzrlib.user_encoding)
185
username = w.pw_name.decode(bzrlib.user_encoding)
139
186
comma = gecos.find(',')
143
190
realname = gecos[:comma]
144
return '%s <%s@%s>' % (realname, w.pw_name, socket.getfqdn())
145
194
except ImportError:
148
import getpass, socket
149
return '<%s@%s>' % (getpass.getuser(), socket.getfqdn())
196
realname = username = getpass.getuser().decode(bzrlib.user_encoding)
198
return realname, (username + '@' + socket.gethostname())
202
"""Return the full user id from a file or environment variable.
204
TODO: Allow taking this from a file in the branch directory too
205
for per-branch ids."""
206
v = os.environ.get('BZREMAIL')
208
return v.decode(bzrlib.user_encoding)
211
return (open(os.path.join(config_dir(), "email"))
213
.decode(bzrlib.user_encoding)
216
if e.errno != errno.ENOENT:
219
v = os.environ.get('EMAIL')
221
return v.decode(bzrlib.user_encoding)
227
"""Return email-style username.
229
Something similar to 'Martin Pool <mbp@sourcefrog.net>'
231
TODO: Check it's reasonably well-formed.
237
name, email = _auto_user_id()
239
return '%s <%s>' % (name, email)
244
_EMAIL_RE = re.compile(r'[\w+.-]+@[\w+.-]+')
152
245
def user_email():
153
246
"""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)
249
m = _EMAIL_RE.search(e)
159
bailout('%r is not a reasonable email address' % e)
251
bailout("%r doesn't seem to contain a reasonable email address" % e)
160
252
return m.group(0)
163
import getpass, socket
164
return '%s@%s' % (getpass.getuser(), socket.getfqdn())
254
return _auto_user_id()[1]
169
258
def compare_files(a, b):
170
259
"""Returns true if equal in contents"""
171
# TODO: don't read the whole thing in one go.
172
result = a.read() == b.read()
177
271
def local_time_offset(t=None):
178
272
"""Return offset of local zone from GMT, either at present or at time t."""
273
# python2.3 localtime() can't take None
179
277
if time.localtime(t).tm_isdst and time.daylight:
180
278
return -time.altzone
220
316
if hasattr(os, 'urandom'): # python 2.4 and later
221
317
rand_bytes = os.urandom
318
elif sys.platform == 'linux2':
319
rand_bytes = file('/dev/urandom', 'rb').read
223
# FIXME: No good on non-Linux
224
_rand_file = file('/dev/urandom', 'rb')
225
rand_bytes = _rand_file.read
321
# not well seeded, but better than nothing
326
s += chr(random.randint(0, 255))
228
331
## TODO: We could later have path objects that remember their list
245
348
BzrError: ("sorry, '..' not allowed in path", [])
247
350
assert isinstance(p, types.StringTypes)
248
ps = [f for f in p.split('/') if f != '.']
352
# split on either delimiter because people might use either on
354
ps = re.split(r'[\\/]', p)
251
359
bailout("sorry, %r not allowed in path" % f)
360
elif (f == '.') or (f == ''):
255
367
assert isinstance(p, list)
257
if (f == '..') or (f is None) or (f == ''):
369
if (f == '..') or (f == None) or (f == ''):
258
370
bailout("sorry, %r not allowed in path" % f)
371
return os.path.join(*p)
262
374
def appendpath(p1, p2):
378
return os.path.join(p1, p2)
269
381
def extern_command(cmd, ignore_errors = False):