delete some dead code

src/pip/_internal/cli/base_command.py

@@ -50,7 +50,6 @@
 class Command(object):
     name = None  # type: Optional[str]
     usage = None  # type: Optional[str]
-    hidden = False  # type: bool
     ignore_require_venv = False  # type: bool
 
     def __init__(self, isolated=False):

src/pip/_internal/download.py

@@ -35,13 +35,11 @@
 from pip._internal.utils.encoding import auto_decode
 from pip._internal.utils.filesystem import check_path_owner
 from pip._internal.utils.glibc import libc_ver
-from pip._internal.utils.logging import indent_log
 from pip._internal.utils.misc import (
-    ARCHIVE_EXTENSIONS, ask_path_exists, backup_dir, call_subprocess, consume,
-    display_path, format_size, get_installed_version, rmtree,
-    split_auth_from_netloc, splitext, unpack_file,
+    ARCHIVE_EXTENSIONS, ask_path_exists, backup_dir, consume, display_path,
+    format_size, get_installed_version, rmtree, split_auth_from_netloc,
+    splitext, unpack_file,
 )
-from pip._internal.utils.setuptools_build import SETUPTOOLS_SHIM
 from pip._internal.utils.temp_dir import TempDirectory
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 from pip._internal.utils.ui import DownloadProgressProvider
@@ -767,42 +765,6 @@ def unpack_file_url(
         _copy_file(from_path, download_dir, link)
 
 
-def _copy_dist_from_dir(link_path, location):
-    """Copy distribution files in `link_path` to `location`.
-
-    Invoked when user requests to install a local directory. E.g.:
-
-        pip install .
-        pip install ~/dev/git-repos/python-prompt-toolkit
-
-    """
-
-    # Note: This is currently VERY SLOW if you have a lot of data in the
-    # directory, because it copies everything with `shutil.copytree`.
-    # What it should really do is build an sdist and install that.
-    # See https://github.com/pypa/pip/issues/2195
-
-    if os.path.isdir(location):
-        rmtree(location)
-
-    # build an sdist
-    setup_py = 'setup.py'
-    sdist_args = [sys.executable]
-    sdist_args.append('-c')
-    sdist_args.append(SETUPTOOLS_SHIM % setup_py)
-    sdist_args.append('sdist')
-    sdist_args += ['--dist-dir', location]
-    logger.info('Running setup.py sdist for %s', link_path)
-
-    with indent_log():
-        call_subprocess(sdist_args, cwd=link_path)
-
-    # unpack sdist into `location`
-    sdist = os.path.join(location, os.listdir(location)[0])
-    logger.info('Unpacking sdist %s into %s', sdist, location)
-    unpack_file(sdist, location, content_type=None, link=None)
-
-
 class PipXmlrpcTransport(xmlrpc_client.Transport):
     """Provide a `xmlrpclib.Transport` implementation via a `PipSession`
     object.

src/pip/_internal/req/req_set.py

@@ -173,12 +173,6 @@ def has_requirement(self, project_name):
             return True
         return False
 
-    @property
-    def has_requirements(self):
-        # type: () -> List[InstallRequirement]
-        return list(req for req in self.requirements.values() if not
-                    req.constraint) or self.unnamed_requirements
-
     def get_requirement(self, project_name):
         # type: (str) -> InstallRequirement
         for name in project_name, project_name.lower():

src/pip/_internal/utils/misc.py

@@ -3,7 +3,6 @@
 import contextlib
 import errno
 import io
-import locale
 # we have a submodule named 'logging' which would shadow this if we used the
 # regular name:
 import logging as std_logging
@@ -774,32 +773,6 @@ def call_subprocess(
     return None
 
 
-def read_text_file(filename):
-    # type: (str) -> str
-    """Return the contents of *filename*.
-
-    Try to decode the file contents with utf-8, the preferred system encoding
-    (e.g., cp1252 on some Windows machines), and latin1, in that order.
-    Decoding a byte string with latin1 will never raise an error. In the worst
-    case, the returned string will contain some garbage characters.
-
-    """
-    with open(filename, 'rb') as fp:
-        data = fp.read()
-
-    encodings = ['utf-8', locale.getpreferredencoding(False), 'latin1']
-    for enc in encodings:
-        try:
-            # https://github.com/python/mypy/issues/1174
-            data = data.decode(enc)  # type: ignore
-        except UnicodeDecodeError:
-            continue
-        break
-
-    assert not isinstance(data, bytes)  # Latin1 should have worked.
-    return data
-
-
 def _make_build_dir(build_dir):
     os.makedirs(build_dir)
     write_delete_marker_file(build_dir)

src/pip/_internal/utils/ui.py

@@ -8,10 +8,7 @@
 from signal import SIGINT, default_int_handler, signal
 
 from pip._vendor import six
-from pip._vendor.progress.bar import (
-    Bar, ChargingBar, FillingCirclesBar, FillingSquaresBar, IncrementalBar,
-    ShadyBar,
-)
+from pip._vendor.progress.bar import Bar, FillingCirclesBar, IncrementalBar
 from pip._vendor.progress.helpers import HIDE_CURSOR, SHOW_CURSOR, WritelnMixin
 from pip._vendor.progress.spinner import Spinner
 
@@ -216,20 +213,6 @@ class DownloadIncrementalBar(BaseDownloadProgressBar,  # type: ignore
     pass
 
 
-class DownloadChargingBar(BaseDownloadProgressBar,  # type: ignore
-                          ChargingBar):
-    pass
-
-
-class DownloadShadyBar(BaseDownloadProgressBar, ShadyBar):  # type: ignore
-    pass
-
-
-class DownloadFillingSquaresBar(BaseDownloadProgressBar,  # type: ignore
-                                FillingSquaresBar):
-    pass
-
-
 class DownloadFillingCirclesBar(BaseDownloadProgressBar,  # type: ignore
                                 FillingCirclesBar):
     pass

tests/functional/test_help.py

@@ -81,9 +81,6 @@ def test_help_commands_equally_functional(in_memory_pip):
     assert all(len(o) > 0 for o in out)
 
     for name, cls in commands.items():
-        if cls.hidden:
-            continue
-
         assert (
             in_memory_pip.pip('help', name).stdout ==
             in_memory_pip.pip(name, '--help').stdout != ""

tests/unit/test_req.py

@@ -4,7 +4,7 @@
 import tempfile
 
 import pytest
-from mock import Mock, mock_open, patch
+from mock import patch
 from pip._vendor import pkg_resources
 from pip._vendor.packaging.markers import Marker
 from pip._vendor.packaging.requirements import Requirement
@@ -23,7 +23,6 @@
 from pip._internal.req.req_file import process_line
 from pip._internal.req.req_tracker import RequirementTracker
 from pip._internal.resolve import Resolver
-from pip._internal.utils.misc import read_text_file
 from tests.lib import DATA_DIR, assert_raises_regexp, requirements_file
 
 
@@ -317,21 +316,6 @@ def test_hashed_deps_on_require_hashes(self):
         ))
 
 
-@pytest.mark.parametrize(('file_contents', 'expected'), [
-    (b'\xf6\x80', b'\xc3\xb6\xe2\x82\xac'),  # cp1252
-    (b'\xc3\xb6\xe2\x82\xac', b'\xc3\xb6\xe2\x82\xac'),  # utf-8
-    (b'\xc3\xb6\xe2', b'\xc3\x83\xc2\xb6\xc3\xa2'),  # Garbage
-])
-def test_egg_info_data(file_contents, expected):
-    om = mock_open(read_data=file_contents)
-    em = Mock()
-    em.return_value = 'cp1252'
-    with patch('pip._internal.utils.misc.open', om, create=True):
-        with patch('locale.getpreferredencoding', em):
-            ret = read_text_file('foo')
-    assert ret == expected.decode('utf-8')
-
-
 class TestInstallRequirement(object):
     def setup(self):
         self.tempdir = tempfile.mkdtemp()