gh-112578: Fix RuntimeWarning when running zipfile (GH-112579)

1 files changed, 70 insertions, 3 deletions

diff --git a/Lib/zipfile/__init__.py b/Lib/zipfile/__init__.py
index 2b28a07..fe629ed 100644
--- a/Lib/zipfile/__init__.py
+++ b/Lib/zipfile/__init__.py
@@ -2227,12 +2227,79 @@ class PyZipFile(ZipFile):
         return (fname, archivename)
 
 
+def main(args=None):
+    import argparse
+
+    description = 'A simple command-line interface for zipfile module.'
+    parser = argparse.ArgumentParser(description=description)
+    group = parser.add_mutually_exclusive_group(required=True)
+    group.add_argument('-l', '--list', metavar='<zipfile>',
+                       help='Show listing of a zipfile')
+    group.add_argument('-e', '--extract', nargs=2,
+                       metavar=('<zipfile>', '<output_dir>'),
+                       help='Extract zipfile into target dir')
+    group.add_argument('-c', '--create', nargs='+',
+                       metavar=('<name>', '<file>'),
+                       help='Create zipfile from sources')
+    group.add_argument('-t', '--test', metavar='<zipfile>',
+                       help='Test if a zipfile is valid')
+    parser.add_argument('--metadata-encoding', metavar='<encoding>',
+                        help='Specify encoding of member names for -l, -e and -t')
+    args = parser.parse_args(args)
+
+    encoding = args.metadata_encoding
+
+    if args.test is not None:
+        src = args.test
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            badfile = zf.testzip()
+        if badfile:
+            print("The following enclosed file is corrupted: {!r}".format(badfile))
+        print("Done testing")
+
+    elif args.list is not None:
+        src = args.list
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            zf.printdir()
+
+    elif args.extract is not None:
+        src, curdir = args.extract
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            zf.extractall(curdir)
+
+    elif args.create is not None:
+        if encoding:
+            print("Non-conforming encodings not supported with -c.",
+                  file=sys.stderr)
+            sys.exit(1)
+
+        zip_name = args.create.pop(0)
+        files = args.create
+
+        def addToZip(zf, path, zippath):
+            if os.path.isfile(path):
+                zf.write(path, zippath, ZIP_DEFLATED)
+            elif os.path.isdir(path):
+                if zippath:
+                    zf.write(path, zippath)
+                for nm in sorted(os.listdir(path)):
+                    addToZip(zf,
+                             os.path.join(path, nm), os.path.join(zippath, nm))
+            # else: ignore
+
+        with ZipFile(zip_name, 'w') as zf:
+            for path in files:
+                zippath = os.path.basename(path)
+                if not zippath:
+                    zippath = os.path.basename(os.path.dirname(path))
+                if zippath in ('', os.curdir, os.pardir):
+                    zippath = ''
+                addToZip(zf, path, zippath)
+
+
 from ._path import (  # noqa: E402
     Path,
 
     # used privately for tests
     CompleteDirs,  # noqa: F401
 )
-
-# used privately for tests
-from .__main__ import main  # noqa: F401, E402