32
def resolve_homedir_file( file ):
33
"""Given a filename, which could be absolute or relative to the CWD, this
34
returns a pair of 'resolved' filenames: the name of the file relative to
35
the homedir and the full, absolute filename. Neither of the returned
36
filenames are guaranteed nor required to exist. But the supplied
37
filename will cause an error if it is not iteself or when resolved (if
38
it is a symlink) under the homedirectory.
41
home_dir_prefix = os.path.realpath( the.full_home_dir ) + os.sep
43
# obtain absolute filename
44
abs_file = os.path.abspath( file )
46
# if absolute filename is not under home directory, attempt to
48
if abs_file[ : len( home_dir_prefix ) ] != home_dir_prefix:
49
parts = os.path.split( file )
50
if os.path.exists( parts[ 0 ] ):
51
abs_file = os.path.join(
52
os.path.realpath( parts[ 0 ] ), parts[ 1 ] )
54
# absolute file must now be under home directory and exist
55
if abs_file[ : len( home_dir_prefix ) ] != home_dir_prefix:
56
raise the.program.FatalError(
57
'not under home directory: %s' % file )
60
rel_file = abs_file[ len( home_dir_prefix ) : ]
62
return ( rel_file, abs_file )
66
32
def expand_files( files, recurse = True ):
67
33
"""Returns a unique, sorted list of relative files, calculated from the list
68
34
provided, which is made up from individual files and directories
43
home_dir_prefix = os.path.realpath( the.full_home_dir ) + os.sep
78
45
# iterate through file list
80
( rel_file, abs_file ) = self.resolve_homedir_file( file )
82
# check that file exists in repository
47
parts = os.path.split( file )
48
abs_file = os.path.join(
49
os.path.realpath( parts[ 0 ] ), parts[ 1 ] )
51
# check the file is in the home directory
52
if abs_file[ : len( home_dir_prefix ) ] != home_dir_prefix:
53
raise the.program.FatalError(
54
'not under home directory: %s' % abs_file )
57
rel_file = abs_file[ len( home_dir_prefix ) : ]
59
# check if file exists in repository
83
60
repo_file = os.path.join( the.repo.full_dir, rel_file )
84
61
if not os.path.lexists( repo_file ):
85
62
raise the.program.FatalError(