Remove shutil.copytree backport

Not necessary since Python 3.8

datasette/utils/__init__.py

@@ -19,6 +19,7 @@ import urllib
 from collections import Counter, OrderedDict, namedtuple
 from collections.abc import Iterable
 from contextlib import contextmanager
+from shutil import copytree
 
 import aiofiles
 import click
@@ -26,7 +27,6 @@ import markupsafe
 import mergedeep
 import yaml
 
-from .shutil_backport import copytree
 from .sqlite import sqlite3, supports_table_xinfo
 
 if typing.TYPE_CHECKING:

datasette/utils/shutil_backport.py

@@ -1,102 +0,0 @@
-"""
-Backported from Python 3.8.
-
-This code is licensed under the Python License:
-https://github.com/python/cpython/blob/v3.8.3/LICENSE
-"""
-
-import os
-from shutil import Error, copy, copy2, copystat
-
-
-def _copytree(
-    entries,
-    src,
-    dst,
-    symlinks,
-    ignore,
-    copy_function,
-    ignore_dangling_symlinks,
-    dirs_exist_ok=False,
-):
-    if ignore is not None:
-        ignored_names = ignore(src, set(os.listdir(src)))
-    else:
-        ignored_names = set()
-
-    os.makedirs(dst, exist_ok=dirs_exist_ok)
-    errors = []
-    use_srcentry = copy_function is copy2 or copy_function is copy
-
-    for srcentry in entries:
-        if srcentry.name in ignored_names:
-            continue
-        srcname = os.path.join(src, srcentry.name)
-        dstname = os.path.join(dst, srcentry.name)
-        srcobj = srcentry if use_srcentry else srcname
-        try:
-            if srcentry.is_symlink():
-                linkto = os.readlink(srcname)
-                if symlinks:
-                    os.symlink(linkto, dstname)
-                    copystat(srcobj, dstname, follow_symlinks=not symlinks)
-                else:
-                    if not os.path.exists(linkto) and ignore_dangling_symlinks:
-                        continue
-                    if srcentry.is_dir():
-                        copytree(
-                            srcobj,
-                            dstname,
-                            symlinks,
-                            ignore,
-                            copy_function,
-                            dirs_exist_ok=dirs_exist_ok,
-                        )
-                    else:
-                        copy_function(srcobj, dstname)
-            elif srcentry.is_dir():
-                copytree(
-                    srcobj,
-                    dstname,
-                    symlinks,
-                    ignore,
-                    copy_function,
-                    dirs_exist_ok=dirs_exist_ok,
-                )
-            else:
-                copy_function(srcentry, dstname)
-        except Error as err:
-            errors.extend(err.args[0])
-        except OSError as why:
-            errors.append((srcname, dstname, str(why)))
-    try:
-        copystat(src, dst)
-    except OSError as why:
-        # Copying file access times may fail on Windows
-        if getattr(why, "winerror", None) is None:
-            errors.append((src, dst, str(why)))
-    if errors:
-        raise Error(errors)
-    return dst
-
-
-def copytree(
-    src,
-    dst,
-    symlinks=False,
-    ignore=None,
-    copy_function=copy2,
-    ignore_dangling_symlinks=False,
-    dirs_exist_ok=False,
-):
-    with os.scandir(src) as entries:
-        return _copytree(
-            entries=entries,
-            src=src,
-            dst=dst,
-            symlinks=symlinks,
-            ignore=ignore,
-            copy_function=copy_function,
-            ignore_dangling_symlinks=ignore_dangling_symlinks,
-            dirs_exist_ok=dirs_exist_ok,
-        )