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# This module was originally part of distutils.
from BuildManager import *
import os
__all__ = ["copy_file", "move_file"]
# for generating verbose output in 'copy_file()'
_copy_action = { None: 'copying',
'hard': 'hard linking',
'sym': 'symbolically linking' }
def _copy_file_contents (src, dst, buffer_size=16*1024):
"""Copy the file 'src' to 'dst'; both must be filenames. Any error
opening either file, reading from 'src', or writing to 'dst', raises
BuildManagerFileError. Data is read/written in chunks of 'buffer_size'
bytes (default 16k). No attempt is made to handle anything apart from
regular files.
"""
# Stolen from shutil module in the standard library, but with
# custom error-handling added.
fsrc = None
fdst = None
try:
try:
fsrc = open(src, 'rb')
except os.error as e:
(errno, errstr) = e.args
raise Error("could not open %s: %s" % (src, errstr))
try:
fdst = open(dst, 'wb')
except os.error as e:
(errno, errstr) = e.args
raise Error("could not create %s: %s" % (dst, errstr))
while 1:
try:
buf = fsrc.read(buffer_size)
except os.error as e:
(errno, errstr) = e.args
raise Error("could not read from %s: %s" % (src, errstr))
if not buf:
break
try:
fdst.write(buf)
except os.error as e:
(errno, errstr) = e.args
raise Error("could not write to %s: %s" % (dst, errstr))
finally:
if fdst:
fdst.close()
if fsrc:
fsrc.close()
def copy_file (src, dst, preserve_mode=1, preserve_times=1, link=None,
dryrun=False):
"""Copy a file 'src' to 'dst'. If 'dst' is a directory, then 'src' is
copied there with the same name; otherwise, it must be a filename. (If
log_perror("could not create location dir");
return -1;
}
} else if (!S_ISDIR(buf.st_mode)) {
log_message("not a dir %s, will unlink and mkdir", location);
if (unlink(location)) {
log_perror("could not unlink");
return -1;
}
if (mkdir(location, 0755)) {
log_perror("could not create location dir");
return -1;
}
}
#ifndef DISABLE_MEDIAS
if (!strcmp(fs, "vfat")) {
my_modprobe("nls_cp437", ANY_DRIVER_TYPE, NULL);
my_modprobe("nls_iso8859_1", ANY_DRIVER_TYPE, NULL);
my_modprobe("vfat", ANY_DRIVER_TYPE, NULL);
opts = "check=relaxed";
}
if (!strcmp(fs, "ntfs")) {
my_modprobe("ntfs", ANY_DRIVER_TYPE, NULL);
}
if (!strcmp(fs, "reiserfs"))
my_modprobe("reiserfs", ANY_DRIVER_TYPE, NULL);
if (!strcmp(fs, "reiser4"))
my_modprobe("reiser4", ANY_DRIVER_TYPE, NULL);
if (!strcmp(fs, "jfs"))
my_modprobe("jfs", ANY_DRIVER_TYPE, NULL);
if (!strcmp(fs, "xfs"))
my_modprobe("xfs", ANY_DRIVER_TYPE, NULL);
if (!strcmp(fs, "ext4"))
my_modprobe("ext4", ANY_DRIVER_TYPE, NULL);
if (!strcmp(fs, "btrfs"))
my_modprobe("btrfs", ANY_DRIVER_TYPE, NULL);
#endif
if (!strcmp(fs, "iso9660"))
my_modprobe("isofs", ANY_DRIVER_TYPE, NULL);
#ifndef DISABLE_NETWORK
if (!strcmp(fs, "nfs")) {
my_modprobe("nfs", ANY_DRIVER_TYPE, NULL);
log_message("preparing nfsmount for %s", dev);
rc = nfsmount_prepare(dev, &opts);
if (rc != 0)
return rc;
}
#endif
rc = mount(dev, location, fs, flags, opts);
if (rc != 0) {
log_perror("mount failed");
rmdir(location);
}
return rc;
}
|
