def copy(src, dst, hardlink=False, keep_symlink=True):
'''Copy a file to another location with a bunch of link handling'''
assert not P.isdir(src), 'Source path must not be a dir'
assert not P.isdir(dst), 'Destination path must not be a dir'
if keep_symlink and P.islink(src):
assert not P.isabs(readlink(src)), 'Cannot copy symlink that points to an absolute path (%s)' % src
logger.debug('%8s %s -> %s' % ('symlink', src, dst))
if P.exists(dst):
assert readlink(dst) == readlink(src), 'Refusing to retarget already-exported symlink %s' % dst
else:
symlink(readlink(src), dst)
return
if P.exists(dst):
assert hash_file(src) == hash_file(dst), 'Refusing to overwrite already exported dst %s' % dst
else:
if hardlink:
try:
link(src, dst)
logger.debug('%8s %s -> %s' % ('hardlink', src, dst))
return
except OSError, o:
if o.errno != errno.EXDEV: # Invalid cross-device link, not an error, fall back to copy
raise
logger.debug('%8s %s -> %s' % ('copy', src, dst))
shutil.copy2(src, dst)
# Bugfix, make it writeable
mode = os.stat(dst)[stat.ST_MODE]
os.chmod(dst, mode | stat.S_IWUSR)
def copy(src, dst, hardlink=False, keep_symlink=True):
'''Copy a file to another location with a bunch of link handling'''
assert not P.isdir(src), 'Source path must not be a dir'
assert not P.isdir(dst), 'Destination path must not be a dir'
if keep_symlink and P.islink(src):
assert not P.isabs(readlink(src)), 'Cannot copy symlink that points to an absolute path (%s)' % src
logger.debug('%8s %s -> %s' % ('symlink', src, dst))
if P.exists(dst):
assert readlink(dst) == readlink(src), 'Refusing to retarget already-exported symlink %s' % dst
else:
symlink(readlink(src), dst)
return
if P.exists(dst):
assert hash_file(src) == hash_file(dst), 'Refusing to overwrite already exported dst %s' % dst
else:
if hardlink:
try:
link(src, dst)
logger.debug('%8s %s -> %s' % ('hardlink', src, dst))
return
except OSError, o:
# Invalid cross-device link, not an error, fall back to copy
if o.errno != errno.EXDEV:
raise
logger.debug('%8s %s -> %s' % ('copy', src, dst))
shutil.copyfile(src, dst)
# Bugfix, make it writeable
mode = os.stat(dst)[stat.ST_MODE]
os.chmod(dst, mode | stat.S_IWUSR)
def copy(src, dst, hardlink=False, keep_symlink=True):
assert not P.isdir(src), 'Source path must not be a dir'
assert not P.isdir(dst), 'Destination path must not be a dir'
if keep_symlink and P.islink(src):
assert not P.isabs(readlink(src)), 'Cannot copy symlink that points to an absolute path (%s)' % src
logger.debug('%8s %s -> %s' % ('symlink', src, dst))
if P.exists(dst):
assert readlink(dst) == readlink(src), 'Refusing to retarget already-exported symlink %s' % dst
else:
symlink(readlink(src), dst)
return
if P.exists(dst):
assert hash_file(src) == hash_file(dst), 'Refusing to overwrite already exported dst %s' % dst
else:
if hardlink:
try:
link(src, dst)
logger.debug('%8s %s -> %s' % ('hardlink', src, dst))
return
except OSError, o:
if o.errno != errno.EXDEV: # Invalid cross-device link, not an error, fall back to copy
raise
logger.debug('%8s %s -> %s' % ('copy', src, dst))
shutil.copy2(src, dst)
def copy(src, dst, hardlink=False, keep_symlink=True):
'''Copy a file to another location with a bunch of link handling'''
assert not P.isdir(src), 'Source path must not be a dir'
assert not P.isdir(dst), 'Destination path must not be a dir'
# There is nothing we can do about absolute sym links in system dirs. We just
# trace those to the source and copy.
if keep_symlink and P.islink(src):
if P.isabs(readlink(src)):
m = re.match('^/usr', readlink(src))
if m:
print("Resolving absolute link: ", src)
while P.islink(src) and \
P.isabs(readlink(src)) \
and os.path.basename(src) == os.path.basename(readlink(src)):
src = readlink(src)
print("Resolved to: ", src)
if keep_symlink and P.islink(src):
assert not P.isabs(readlink(src)), \
'Cannot copy symlink that points to an absolute path (%s)' % src
logger.debug('%8s %s -> %s' % ('symlink', src, dst))
# Some of the libraries are both in our install dir and in USGS conda's package.
# That is because they do not provide headers for cspice for example.
# So below we will run into trouble. Just overwrite any library we built
# with the one from conda.
if P.exists(dst):
is_soft_link = True
try:
link_val = readlink(dst)
except:
is_soft_link = False
if (not is_soft_link) or (readlink(dst) != readlink(src)):
print("Will overwrite " + dst + " with " + src)
os.remove(dst)
if not P.exists(dst):
try:
symlink(readlink(src), dst)
except:
pass
return
if P.exists(dst):
if hash_file(src) != hash_file(dst):
print("Will overwrite " + dst + " with " + src +
" having a different hash.")
else:
if hardlink:
try:
link(src, dst)
logger.debug('%8s %s -> %s' % ('hardlink', src, dst))
return
except OSError as o:
# Invalid cross-device link, not an error, fall back to copy
if o.errno != errno.EXDEV:
raise
logger.debug('%8s %s -> %s' % ('copy', src, dst))
shutil.copyfile(src, dst)
# Bugfix, make it writeable
mode = os.stat(dst)[stat.ST_MODE]
os.chmod(dst, mode | stat.S_IWUSR)