Replace click-completion with click's own completion code

docs/advanced.rst

@@ -568,11 +568,15 @@ A 3rd party plugin, `tox-pipenv`_ is also available to use Pipenv natively with
 
 To enable completion in fish, add this to your configuration::
 
-    eval (pipenv --completion)
+    eval (env _PIPENV_COMPLETE=fish_source pipenv)
 
-Alternatively, with bash or zsh, add this to your configuration::
+Alternatively, with zsh, add this to your configuration::
 
-    eval "$(pipenv --completion)"
+    eval "$(_PIPENV_COMPLETE=zsh_source pipenv)"
+
+Alternatively, with bash, add this to your configuration::
+
+    eval "$(_PIPENV_COMPLETE=bash_source pipenv)"
 
 Magic shell completions are now enabled!
 

news/4786.feature.rst

@@ -0,0 +1 @@
+Replace ``click-completion`` with ``click``'s own completion implementation.

pipenv/cli/command.py

@@ -12,16 +12,12 @@
 from pipenv.exceptions import PipenvOptionsError
 from pipenv.patched import crayons
 from pipenv.utils import subprocess_run
-from pipenv.vendor import click_completion
 from pipenv.vendor.click import (
     Choice, argument, echo, edit, group, option, pass_context, secho, types,
     version_option
 )
 
 
-# Enable shell completion.
-click_completion.init()
-
 subcommand_context = CONTEXT_SETTINGS.copy()
 subcommand_context.update({
     "ignore_unknown_options": True,
@@ -38,12 +34,6 @@
 @option("--envs", is_flag=True, default=False, help="Output Environment Variable options.")
 @option("--rm", is_flag=True, default=False, help="Remove the virtualenv.")
 @option("--bare", is_flag=True, default=False, help="Minimal output.")
-@option(
-    "--completion",
-    is_flag=True,
-    default=False,
-    help="Output completion (to be executed by the shell).",
-)
 @option("--man", is_flag=True, default=False, help="Display manpage.")
 @option(
     "--support",
@@ -63,29 +53,12 @@ def cli(
     envs=False,
     rm=False,
     bare=False,
-    completion=False,
     man=False,
     support=None,
     help=False,
     site_packages=None,
     **kwargs
 ):
-    # Handle this ASAP to make shell startup fast.
-    if completion:
-        from .. import shells
-
-        try:
-            shell = shells.detect_info(state.project)[0]
-        except shells.ShellDetectionFailure:
-            echo(
-                "Fail to detect shell. Please provide the {} environment "
-                "variable.".format(crayons.normal("PIPENV_SHELL", bold=True)),
-                err=True,
-            )
-            ctx.abort()
-        print(click_completion.get_code(shell=shell, prog_name="pipenv"))
-        return 0
-
     from ..core import (
         cleanup_virtualenv, do_clear, do_py, do_where, ensure_project,
         format_help, system_which, warn_in_virtualenv

pipenv/core.py

@@ -12,8 +12,6 @@
 import pipfile
 import vistir
 
-from click_completion import init as init_completion
-
 from pipenv import environments, exceptions, pep508checker, progress
 from pipenv._compat import decode_for_output, fix_utf8
 from pipenv.patched import crayons
@@ -66,8 +64,7 @@
     INSTALL_LABEL = "   "
     INSTALL_LABEL2 = "   "
     STARTING_LABEL = "   "
-# Enable shell completion.
-init_completion()
+
 # Disable colors, for the color blind and others who do not prefer colors.
 if environments.PIPENV_COLORBLIND:
     crayons.disable()