def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
def _os_link(*args):
raise OSError(0, "linking unsupported")
old_link = os.link
os.link = _os_link
try:
copy_file(self.source, self.target, link='hard')
finally:
os.link = old_link
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
python类copy_file()的实例源码
def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
def _os_link(*args):
raise OSError(0, "linking unsupported")
old_link = os.link
os.link = _os_link
try:
copy_file(self.source, self.target, link='hard')
finally:
os.link = old_link
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
def _os_link(*args):
raise OSError(0, "linking unsupported")
old_link = os.link
os.link = _os_link
try:
copy_file(self.source, self.target, link='hard')
finally:
os.link = old_link
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
def _os_link(*args):
raise OSError(0, "linking unsupported")
old_link = os.link
os.link = _os_link
try:
copy_file(self.source, self.target, link='hard')
finally:
os.link = old_link
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
def _os_link(*args):
raise OSError(0, "linking unsupported")
old_link = os.link
os.link = _os_link
try:
copy_file(self.source, self.target, link='hard')
finally:
os.link = old_link
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
def test_copy_file_hard_link_failure(self):
# If hard linking fails, copy_file() falls back on copying file
# (some special filesystems don't support hard linking even under
# Unix, see issue #8876).
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
with patch("os.link", side_effect=OSError(0, "linking unsupported")):
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertFalse(os.path.samestat(st2, st3), (st2, st3))
for fn in (self.source, self.target):
with open(fn, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def test_copy_file(self):
src_dir = self.mkdtemp()
foo = os.path.join(src_dir, 'foo')
write_file(foo, 'content')
dst_dir = self.mkdtemp()
copy_file(foo, dst_dir)
self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
def test_copy_file_hard_link(self):
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertTrue(os.path.samestat(st2, st3), (st2, st3))
with open(self.source, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def test_copy_file(self):
src_dir = self.mkdtemp()
foo = os.path.join(src_dir, 'foo')
write_file(foo, 'content')
dst_dir = self.mkdtemp()
copy_file(foo, dst_dir)
self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
def test_copy_file_hard_link(self):
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertTrue(os.path.samestat(st2, st3), (st2, st3))
with open(self.source, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def test_copy_file(self):
src_dir = self.mkdtemp()
foo = os.path.join(src_dir, 'foo')
write_file(foo, 'content')
dst_dir = self.mkdtemp()
copy_file(foo, dst_dir)
self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
def test_copy_file_hard_link(self):
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertTrue(os.path.samestat(st2, st3), (st2, st3))
with open(self.source, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def test_copy_file(self):
src_dir = self.mkdtemp()
foo = os.path.join(src_dir, 'foo')
write_file(foo, 'content')
dst_dir = self.mkdtemp()
copy_file(foo, dst_dir)
self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
def test_copy_file_hard_link(self):
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertTrue(os.path.samestat(st2, st3), (st2, st3))
with open(self.source, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile,
preserve_mode=1, preserve_times=1, link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(
infile, outfile,
preserve_mode, preserve_times,
not self.force,
link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
def test_copy_file(self):
src_dir = self.mkdtemp()
foo = os.path.join(src_dir, 'foo')
write_file(foo, 'content')
dst_dir = self.mkdtemp()
copy_file(foo, dst_dir)
self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
def test_copy_file_hard_link(self):
with open(self.source, 'w') as f:
f.write('some content')
st = os.stat(self.source)
copy_file(self.source, self.target, link='hard')
st2 = os.stat(self.source)
st3 = os.stat(self.target)
self.assertTrue(os.path.samestat(st, st2), (st, st2))
self.assertTrue(os.path.samestat(st2, st3), (st2, st3))
with open(self.source, 'r') as f:
self.assertEqual(f.read(), 'some content')
def copy_file(self, infile, outfile, preserve_mode=1, preserve_times=1,
link=None, level=1):
"""Copy a file respecting verbose, dry-run and force flags. (The
former two default to whatever is in the Distribution object, and
the latter defaults to false for commands that don't define it.)"""
return file_util.copy_file(infile, outfile, preserve_mode,
preserve_times, not self.force, link,
dry_run=self.dry_run)
def _copy_files(self, filelist):
self.outfiles = []
if not filelist:
return
self.mkpath(self.install_dir)
for f in filelist:
self.copy_file(f, self.install_dir)
self.outfiles.append(os.path.join(self.install_dir, f))
