Python file_util.copy_file方法代码示例

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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') 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
def test_copy_file_hard_link(self):
        with open(self.source, 'w') as f:
            f.write('some content')
        # Check first that copy_file() will not fall back on copying the file
        # instead of creating the hard link.
        try:
            os.link(self.source, self.target)
        except OSError as e:
            self.skipTest('os.link: %s' % e)
        else:
            unlink(self.target)
        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') 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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) 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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)) 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
def copy_tree(src, dst, preserve_mode=1, preserve_times=1,
              preserve_symlinks=0, update=0, verbose=1, dry_run=0):
    """Copy an entire directory tree 'src' to a new location 'dst'.

    Both 'src' and 'dst' must be directory names.  If 'src' is not a
    directory, raise DistutilsFileError.  If 'dst' does not exist, it is
    created with 'mkpath()'.  The end result of the copy is that every
    file in 'src' is copied to 'dst', and directories under 'src' are
    recursively copied to 'dst'.  Return the list of files that were
    copied or might have been copied, using their output name.  The
    return value is unaffected by 'update' or 'dry_run': it is simply
    the list of all files under 'src', with the names changed to be
    under 'dst'.

    'preserve_mode' and 'preserve_times' are the same as for
    'copy_file'; note that they only apply to regular files, not to
    directories.  If 'preserve_symlinks' is true, symlinks will be
    copied as symlinks (on platforms that support them!); otherwise
    (the default), the destination of the symlink will be copied.
    'update' and 'verbose' are the same as for 'copy_file'.
    """
    from distutils.file_util import copy_file

    if not dry_run and not os.path.isdir(src):
        raise DistutilsFileError, \
              "cannot copy tree '%s': not a directory" % src
    try:
        names = os.listdir(src)
    except os.error, (errno, errstr):
        if dry_run:
            names = []
        else:
            raise DistutilsFileError, \
                  "error listing files in '%s': %s" % (src, errstr) 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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'))) 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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') 

# 需要导入模块: from distutils import file_util [as 别名]
# 或者: from distutils.file_util import copy_file [as 别名]
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)