add zsh h()

venv/lib/python2.7/site-packages/wheel/cli/pack.py

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+from __future__ import print_function
+
+import os.path
+import re
+import sys
+
+from wheel.cli import WheelError
+from wheel.wheelfile import WheelFile
+
+DIST_INFO_RE = re.compile(r"^(?P<namever>(?P<name>.+?)-(?P<ver>\d.*?))\.dist-info$")
+
+
+def pack(directory, dest_dir, build_number):
+    """Repack a previously unpacked wheel directory into a new wheel file.
+
+    The .dist-info/WHEEL file must contain one or more tags so that the target
+    wheel file name can be determined.
+
+    :param directory: The unpacked wheel directory
+    :param dest_dir: Destination directory (defaults to the current directory)
+    """
+    # Find the .dist-info directory
+    dist_info_dirs = [fn for fn in os.listdir(directory)
+                      if os.path.isdir(os.path.join(directory, fn)) and DIST_INFO_RE.match(fn)]
+    if len(dist_info_dirs) > 1:
+        raise WheelError('Multiple .dist-info directories found in {}'.format(directory))
+    elif not dist_info_dirs:
+        raise WheelError('No .dist-info directories found in {}'.format(directory))
+
+    # Determine the target wheel filename
+    dist_info_dir = dist_info_dirs[0]
+    name_version = DIST_INFO_RE.match(dist_info_dir).group('namever')
+
+    # Add the build number if specific
+    if build_number:
+        name_version += '-' + build_number
+
+    # Read the tags from .dist-info/WHEEL
+    with open(os.path.join(directory, dist_info_dir, 'WHEEL')) as f:
+        tags = [line.split(' ')[1].rstrip() for line in f if line.startswith('Tag: ')]
+        if not tags:
+            raise WheelError('No tags present in {}/WHEEL; cannot determine target wheel filename'
+                             .format(dist_info_dir))
+
+    # Reassemble the tags for the wheel file
+    impls = sorted({tag.split('-')[0] for tag in tags})
+    abivers = sorted({tag.split('-')[1] for tag in tags})
+    platforms = sorted({tag.split('-')[2] for tag in tags})
+    tagline = '-'.join(['.'.join(impls), '.'.join(abivers), '.'.join(platforms)])
+
+    # Repack the wheel
+    wheel_path = os.path.join(dest_dir, '{}-{}.whl'.format(name_version, tagline))
+    with WheelFile(wheel_path, 'w') as wf:
+        print("Repacking wheel as {}...".format(wheel_path), end='')
+        sys.stdout.flush()
+        wf.write_files(directory)
+
+    print('OK')