Python distutils.file_util.copy_file() Examples

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 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 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') 

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 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 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 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') 

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') 

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 copydir_run_2to3(src, dest, template=None, fixer_names=None,
                     options=None, explicit=None):
    """Recursively copy a directory, only copying new and changed files,
    running run_2to3 over all newly copied Python modules afterward.

    If you give a template string, it's parsed like a MANIFEST.in.
    """
    from distutils.dir_util import mkpath
    from distutils.file_util import copy_file
    from distutils.filelist import FileList
    filelist = FileList()
    curdir = os.getcwd()
    os.chdir(src)
    try:
        filelist.findall()
    finally:
        os.chdir(curdir)
    filelist.files[:] = filelist.allfiles
    if template:
        for line in template.splitlines():
            line = line.strip()
            if not line: continue
            filelist.process_template_line(line)
    copied = []
    for filename in filelist.files:
        outname = os.path.join(dest, filename)
        mkpath(os.path.dirname(outname))
        res = copy_file(os.path.join(src, filename), outname, update=1)
        if res[1]: copied.append(outname)
    run_2to3([fn for fn in copied if fn.lower().endswith('.py')],
             fixer_names=fixer_names, options=options, explicit=explicit)
    return copied 

def copy_tree (src, dst,
               preserve_mode=1,
               preserve_times=1,
               preserve_symlinks=0,
               update=0,
               verbose=0,
               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) 

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_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) 

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) 

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_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_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) 

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_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 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 copydir_run_2to3(src, dest, template=None, fixer_names=None,
                     options=None, explicit=None):
    """Recursively copy a directory, only copying new and changed files,
    running run_2to3 over all newly copied Python modules afterward.

    If you give a template string, it's parsed like a MANIFEST.in.
    """
    from distutils.dir_util import mkpath
    from distutils.file_util import copy_file
    from distutils.filelist import FileList
    filelist = FileList()
    curdir = os.getcwd()
    os.chdir(src)
    try:
        filelist.findall()
    finally:
        os.chdir(curdir)
    filelist.files[:] = filelist.allfiles
    if template:
        for line in template.splitlines():
            line = line.strip()
            if not line: continue
            filelist.process_template_line(line)
    copied = []
    for filename in filelist.files:
        outname = os.path.join(dest, filename)
        mkpath(os.path.dirname(outname))
        res = copy_file(os.path.join(src, filename), outname, update=1)
        if res[1]: copied.append(outname)
    run_2to3([fn for fn in copied if fn.lower().endswith('.py')],
             fixer_names=fixer_names, options=options, explicit=explicit)
    return copied 

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 _rename_new_config_file(self, path):
        """
        Renames old configuration file
        """
        config_file = "configuration"
        dt = unicode(datetime.datetime.now())
        timestamp = time.strftime('%Y_%m_%d_%H_%M')
        new_file = '{}/{}_{}.stc'.format(
            self.file_handler.localPath(),
            config_file,
            timestamp
        )

        file_util.copy_file(path, new_file) 

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)