Merge pull request #63 from brenda-br/Fix-35HEADmaster

Restructure Project and Deployment

14 files changed, 0 insertions, 1679 deletions

diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py
deleted file mode 100644
index e589bb9..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-"""Subpackage containing all of pip's command line interface related code
-"""
-
-# This file intentionally does not import submodules
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/__init__.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/__init__.cpython-37.pyc
deleted file mode 100644
index 2a9f1c0..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/__init__.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/autocompletion.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/autocompletion.cpython-37.pyc
deleted file mode 100644
index 5368708..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/autocompletion.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/base_command.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/base_command.cpython-37.pyc
deleted file mode 100644
index 0a13ac6..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/base_command.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/cmdoptions.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/cmdoptions.cpython-37.pyc
deleted file mode 100644
index 79e406d..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/cmdoptions.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/main_parser.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/main_parser.cpython-37.pyc
deleted file mode 100644
index b4248f2..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/main_parser.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/parser.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/parser.cpython-37.pyc
deleted file mode 100644
index cb35c86..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/parser.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/status_codes.cpython-37.pyc b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/status_codes.cpython-37.pyc
deleted file mode 100644
index 217d9ca..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/__pycache__/status_codes.cpython-37.pyc
+++ /dev/null
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py
deleted file mode 100644
index 0a04199..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/autocompletion.py
+++ /dev/null
@@ -1,152 +0,0 @@
-"""Logic that powers autocompletion installed by ``pip completion``.
-"""
-
-import optparse
-import os
-import sys
-
-from pip._internal.cli.main_parser import create_main_parser
-from pip._internal.commands import commands_dict, get_summaries
-from pip._internal.utils.misc import get_installed_distributions
-
-
-def autocomplete():
-    """Entry Point for completion of main and subcommand options.
-    """
-    # Don't complete if user hasn't sourced bash_completion file.
-    if 'PIP_AUTO_COMPLETE' not in os.environ:
-        return
-    cwords = os.environ['COMP_WORDS'].split()[1:]
-    cword = int(os.environ['COMP_CWORD'])
-    try:
-        current = cwords[cword - 1]
-    except IndexError:
-        current = ''
-
-    subcommands = [cmd for cmd, summary in get_summaries()]
-    options = []
-    # subcommand
-    try:
-        subcommand_name = [w for w in cwords if w in subcommands][0]
-    except IndexError:
-        subcommand_name = None
-
-    parser = create_main_parser()
-    # subcommand options
-    if subcommand_name:
-        # special case: 'help' subcommand has no options
-        if subcommand_name == 'help':
-            sys.exit(1)
-        # special case: list locally installed dists for show and uninstall
-        should_list_installed = (
-            subcommand_name in ['show', 'uninstall'] and
-            not current.startswith('-')
-        )
-        if should_list_installed:
-            installed = []
-            lc = current.lower()
-            for dist in get_installed_distributions(local_only=True):
-                if dist.key.startswith(lc) and dist.key not in cwords[1:]:
-                    installed.append(dist.key)
-            # if there are no dists installed, fall back to option completion
-            if installed:
-                for dist in installed:
-                    print(dist)
-                sys.exit(1)
-
-        subcommand = commands_dict[subcommand_name]()
-
-        for opt in subcommand.parser.option_list_all:
-            if opt.help != optparse.SUPPRESS_HELP:
-                for opt_str in opt._long_opts + opt._short_opts:
-                    options.append((opt_str, opt.nargs))
-
-        # filter out previously specified options from available options
-        prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]]
-        options = [(x, v) for (x, v) in options if x not in prev_opts]
-        # filter options by current input
-        options = [(k, v) for k, v in options if k.startswith(current)]
-        # get completion type given cwords and available subcommand options
-        completion_type = get_path_completion_type(
-            cwords, cword, subcommand.parser.option_list_all,
-        )
-        # get completion files and directories if ``completion_type`` is
-        # ``<file>``, ``<dir>`` or ``<path>``
-        if completion_type:
-            options = auto_complete_paths(current, completion_type)
-            options = ((opt, 0) for opt in options)
-        for option in options:
-            opt_label = option[0]
-            # append '=' to options which require args
-            if option[1] and option[0][:2] == "--":
-                opt_label += '='
-            print(opt_label)
-    else:
-        # show main parser options only when necessary
-
-        opts = [i.option_list for i in parser.option_groups]
-        opts.append(parser.option_list)
-        opts = (o for it in opts for o in it)
-        if current.startswith('-'):
-            for opt in opts:
-                if opt.help != optparse.SUPPRESS_HELP:
-                    subcommands += opt._long_opts + opt._short_opts
-        else:
-            # get completion type given cwords and all available options
-            completion_type = get_path_completion_type(cwords, cword, opts)
-            if completion_type:
-                subcommands = auto_complete_paths(current, completion_type)
-
-        print(' '.join([x for x in subcommands if x.startswith(current)]))
-    sys.exit(1)
-
-
-def get_path_completion_type(cwords, cword, opts):
-    """Get the type of path completion (``file``, ``dir``, ``path`` or None)
-
-    :param cwords: same as the environmental variable ``COMP_WORDS``
-    :param cword: same as the environmental variable ``COMP_CWORD``
-    :param opts: The available options to check
-    :return: path completion type (``file``, ``dir``, ``path`` or None)
-    """
-    if cword < 2 or not cwords[cword - 2].startswith('-'):
-        return
-    for opt in opts:
-        if opt.help == optparse.SUPPRESS_HELP:
-            continue
-        for o in str(opt).split('/'):
-            if cwords[cword - 2].split('=')[0] == o:
-                if not opt.metavar or any(
-                        x in ('path', 'file', 'dir')
-                        for x in opt.metavar.split('/')):
-                    return opt.metavar
-
-
-def auto_complete_paths(current, completion_type):
-    """If ``completion_type`` is ``file`` or ``path``, list all regular files
-    and directories starting with ``current``; otherwise only list directories
-    starting with ``current``.
-
-    :param current: The word to be completed
-    :param completion_type: path completion type(`file`, `path` or `dir`)i
-    :return: A generator of regular files and/or directories
-    """
-    directory, filename = os.path.split(current)
-    current_path = os.path.abspath(directory)
-    # Don't complete paths if they can't be accessed
-    if not os.access(current_path, os.R_OK):
-        return
-    filename = os.path.normcase(filename)
-    # list all files that start with ``filename``
-    file_list = (x for x in os.listdir(current_path)
-                 if os.path.normcase(x).startswith(filename))
-    for f in file_list:
-        opt = os.path.join(current_path, f)
-        comp_file = os.path.normcase(os.path.join(directory, f))
-        # complete regular files when there is not ``<dir>`` after option
-        # complete directories when there is ``<file>``, ``<path>`` or
-        # ``<dir>``after option
-        if completion_type != 'dir' and os.path.isfile(opt):
-            yield comp_file
-        elif os.path.isdir(opt):
-            yield os.path.join(comp_file, '')
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py
deleted file mode 100644
index 3ceea49..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/base_command.py
+++ /dev/null
@@ -1,341 +0,0 @@
-"""Base Command class, and related routines"""
-from __future__ import absolute_import, print_function
-
-import logging
-import logging.config
-import optparse
-import os
-import platform
-import sys
-import traceback
-
-from pip._internal.cli import cmdoptions
-from pip._internal.cli.parser import (
-    ConfigOptionParser, UpdatingDefaultsHelpFormatter,
-)
-from pip._internal.cli.status_codes import (
-    ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR,
-    VIRTUALENV_NOT_FOUND,
-)
-from pip._internal.download import PipSession
-from pip._internal.exceptions import (
-    BadCommand, CommandError, InstallationError, PreviousBuildDirError,
-    UninstallationError,
-)
-from pip._internal.index import PackageFinder
-from pip._internal.locations import running_under_virtualenv
-from pip._internal.req.constructors import (
-    install_req_from_editable, install_req_from_line,
-)
-from pip._internal.req.req_file import parse_requirements
-from pip._internal.utils.deprecation import deprecated
-from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
-from pip._internal.utils.misc import (
-    get_prog, normalize_path, redact_password_from_url,
-)
-from pip._internal.utils.outdated import pip_version_check
-from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-
-if MYPY_CHECK_RUNNING:
-    from typing import Optional, List, Tuple, Any  # noqa: F401
-    from optparse import Values  # noqa: F401
-    from pip._internal.cache import WheelCache  # noqa: F401
-    from pip._internal.req.req_set import RequirementSet  # noqa: F401
-
-__all__ = ['Command']
-
-logger = logging.getLogger(__name__)
-
-
-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):
-        # type: (bool) -> None
-        parser_kw = {
-            'usage': self.usage,
-            'prog': '%s %s' % (get_prog(), self.name),
-            'formatter': UpdatingDefaultsHelpFormatter(),
-            'add_help_option': False,
-            'name': self.name,
-            'description': self.__doc__,
-            'isolated': isolated,
-        }
-
-        self.parser = ConfigOptionParser(**parser_kw)
-
-        # Commands should add options to this option group
-        optgroup_name = '%s Options' % self.name.capitalize()
-        self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
-
-        # Add the general options
-        gen_opts = cmdoptions.make_option_group(
-            cmdoptions.general_group,
-            self.parser,
-        )
-        self.parser.add_option_group(gen_opts)
-
-    def run(self, options, args):
-        # type: (Values, List[Any]) -> Any
-        raise NotImplementedError
-
-    def _build_session(self, options, retries=None, timeout=None):
-        # type: (Values, Optional[int], Optional[int]) -> PipSession
-        session = PipSession(
-            cache=(
-                normalize_path(os.path.join(options.cache_dir, "http"))
-                if options.cache_dir else None
-            ),
-            retries=retries if retries is not None else options.retries,
-            insecure_hosts=options.trusted_hosts,
-        )
-
-        # Handle custom ca-bundles from the user
-        if options.cert:
-            session.verify = options.cert
-
-        # Handle SSL client certificate
-        if options.client_cert:
-            session.cert = options.client_cert
-
-        # Handle timeouts
-        if options.timeout or timeout:
-            session.timeout = (
-                timeout if timeout is not None else options.timeout
-            )
-
-        # Handle configured proxies
-        if options.proxy:
-            session.proxies = {
-                "http": options.proxy,
-                "https": options.proxy,
-            }
-
-        # Determine if we can prompt the user for authentication or not
-        session.auth.prompting = not options.no_input
-
-        return session
-
-    def parse_args(self, args):
-        # type: (List[str]) -> Tuple
-        # factored out for testability
-        return self.parser.parse_args(args)
-
-    def main(self, args):
-        # type: (List[str]) -> int
-        options, args = self.parse_args(args)
-
-        # Set verbosity so that it can be used elsewhere.
-        self.verbosity = options.verbose - options.quiet
-
-        level_number = setup_logging(
-            verbosity=self.verbosity,
-            no_color=options.no_color,
-            user_log_file=options.log,
-        )
-
-        if sys.version_info[:2] == (3, 4):
-            deprecated(
-                "Python 3.4 support has been deprecated. pip 19.1 will be the "
-                "last one supporting it. Please upgrade your Python as Python "
-                "3.4 won't be maintained after March 2019 (cf PEP 429).",
-                replacement=None,
-                gone_in='19.2',
-            )
-        elif sys.version_info[:2] == (2, 7):
-            message = (
-                "A future version of pip will drop support for Python 2.7."
-            )
-            if platform.python_implementation() == "CPython":
-                message = (
-                    "Python 2.7 will reach the end of its life on January "
-                    "1st, 2020. Please upgrade your Python as Python 2.7 "
-                    "won't be maintained after that date. "
-                ) + message
-            deprecated(message, replacement=None, gone_in=None)
-
-        # TODO: Try to get these passing down from the command?
-        #       without resorting to os.environ to hold these.
-        #       This also affects isolated builds and it should.
-
-        if options.no_input:
-            os.environ['PIP_NO_INPUT'] = '1'
-
-        if options.exists_action:
-            os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
-
-        if options.require_venv and not self.ignore_require_venv:
-            # If a venv is required check if it can really be found
-            if not running_under_virtualenv():
-                logger.critical(
-                    'Could not find an activated virtualenv (required).'
-                )
-                sys.exit(VIRTUALENV_NOT_FOUND)
-
-        try:
-            status = self.run(options, args)
-            # FIXME: all commands should return an exit status
-            # and when it is done, isinstance is not needed anymore
-            if isinstance(status, int):
-                return status
-        except PreviousBuildDirError as exc:
-            logger.critical(str(exc))
-            logger.debug('Exception information:', exc_info=True)
-
-            return PREVIOUS_BUILD_DIR_ERROR
-        except (InstallationError, UninstallationError, BadCommand) as exc:
-            logger.critical(str(exc))
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except CommandError as exc:
-            logger.critical('ERROR: %s', exc)
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except BrokenStdoutLoggingError:
-            # Bypass our logger and write any remaining messages to stderr
-            # because stdout no longer works.
-            print('ERROR: Pipe to stdout was broken', file=sys.stderr)
-            if level_number <= logging.DEBUG:
-                traceback.print_exc(file=sys.stderr)
-
-            return ERROR
-        except KeyboardInterrupt:
-            logger.critical('Operation cancelled by user')
-            logger.debug('Exception information:', exc_info=True)
-
-            return ERROR
-        except BaseException:
-            logger.critical('Exception:', exc_info=True)
-
-            return UNKNOWN_ERROR
-        finally:
-            allow_version_check = (
-                # Does this command have the index_group options?
-                hasattr(options, "no_index") and
-                # Is this command allowed to perform this check?
-                not (options.disable_pip_version_check or options.no_index)
-            )
-            # Check if we're using the latest version of pip available
-            if allow_version_check:
-                session = self._build_session(
-                    options,
-                    retries=0,
-                    timeout=min(5, options.timeout)
-                )
-                with session:
-                    pip_version_check(session, options)
-
-            # Shutdown the logging module
-            logging.shutdown()
-
-        return SUCCESS
-
-
-class RequirementCommand(Command):
-
-    @staticmethod
-    def populate_requirement_set(requirement_set,  # type: RequirementSet
-                                 args,             # type: List[str]
-                                 options,          # type: Values
-                                 finder,           # type: PackageFinder
-                                 session,          # type: PipSession
-                                 name,             # type: str
-                                 wheel_cache       # type: Optional[WheelCache]
-                                 ):
-        # type: (...) -> None
-        """
-        Marshal cmd line args into a requirement set.
-        """
-        # NOTE: As a side-effect, options.require_hashes and
-        #       requirement_set.require_hashes may be updated
-
-        for filename in options.constraints:
-            for req_to_add in parse_requirements(
-                    filename,
-                    constraint=True, finder=finder, options=options,
-                    session=session, wheel_cache=wheel_cache):
-                req_to_add.is_direct = True
-                requirement_set.add_requirement(req_to_add)
-
-        for req in args:
-            req_to_add = install_req_from_line(
-                req, None, isolated=options.isolated_mode,
-                use_pep517=options.use_pep517,
-                wheel_cache=wheel_cache
-            )
-            req_to_add.is_direct = True
-            requirement_set.add_requirement(req_to_add)
-
-        for req in options.editables:
-            req_to_add = install_req_from_editable(
-                req,
-                isolated=options.isolated_mode,
-                use_pep517=options.use_pep517,
-                wheel_cache=wheel_cache
-            )
-            req_to_add.is_direct = True
-            requirement_set.add_requirement(req_to_add)
-
-        for filename in options.requirements:
-            for req_to_add in parse_requirements(
-                    filename,
-                    finder=finder, options=options, session=session,
-                    wheel_cache=wheel_cache,
-                    use_pep517=options.use_pep517):
-                req_to_add.is_direct = True
-                requirement_set.add_requirement(req_to_add)
-        # If --require-hashes was a line in a requirements file, tell
-        # RequirementSet about it:
-        requirement_set.require_hashes = options.require_hashes
-
-        if not (args or options.editables or options.requirements):
-            opts = {'name': name}
-            if options.find_links:
-                raise CommandError(
-                    'You must give at least one requirement to %(name)s '
-                    '(maybe you meant "pip %(name)s %(links)s"?)' %
-                    dict(opts, links=' '.join(options.find_links)))
-            else:
-                raise CommandError(
-                    'You must give at least one requirement to %(name)s '
-                    '(see "pip help %(name)s")' % opts)
-
-    def _build_package_finder(
-        self,
-        options,               # type: Values
-        session,               # type: PipSession
-        platform=None,         # type: Optional[str]
-        python_versions=None,  # type: Optional[List[str]]
-        abi=None,              # type: Optional[str]
-        implementation=None    # type: Optional[str]
-    ):
-        # type: (...) -> PackageFinder
-        """
-        Create a package finder appropriate to this requirement command.
-        """
-        index_urls = [options.index_url] + options.extra_index_urls
-        if options.no_index:
-            logger.debug(
-                'Ignoring indexes: %s',
-                ','.join(redact_password_from_url(url) for url in index_urls),
-            )
-            index_urls = []
-
-        return PackageFinder(
-            find_links=options.find_links,
-            format_control=options.format_control,
-            index_urls=index_urls,
-            trusted_hosts=options.trusted_hosts,
-            allow_all_prereleases=options.pre,
-            session=session,
-            platform=platform,
-            versions=python_versions,
-            abi=abi,
-            implementation=implementation,
-            prefer_binary=options.prefer_binary,
-        )
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py
deleted file mode 100644
index 5cf5ee9..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/cmdoptions.py
+++ /dev/null
@@ -1,809 +0,0 @@
-"""
-shared options and groups
-
-The principle here is to define options once, but *not* instantiate them
-globally. One reason being that options with action='append' can carry state
-between parses. pip parses general options twice internally, and shouldn't
-pass on state. To be consistent, all options will follow this design.
-
-"""
-from __future__ import absolute_import
-
-import textwrap
-import warnings
-from distutils.util import strtobool
-from functools import partial
-from optparse import SUPPRESS_HELP, Option, OptionGroup
-
-from pip._internal.exceptions import CommandError
-from pip._internal.locations import USER_CACHE_DIR, src_prefix
-from pip._internal.models.format_control import FormatControl
-from pip._internal.models.index import PyPI
-from pip._internal.utils.hashes import STRONG_HASHES
-from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-from pip._internal.utils.ui import BAR_TYPES
-
-if MYPY_CHECK_RUNNING:
-    from typing import Any, Callable, Dict, List, Optional, Union  # noqa: F401
-    from optparse import OptionParser, Values  # noqa: F401
-    from pip._internal.cli.parser import ConfigOptionParser  # noqa: F401
-
-
-def raise_option_error(parser, option, msg):
-    """
-    Raise an option parsing error using parser.error().
-
-    Args:
-      parser: an OptionParser instance.
-      option: an Option instance.
-      msg: the error text.
-    """
-    msg = '{} error: {}'.format(option, msg)
-    msg = textwrap.fill(' '.join(msg.split()))
-    parser.error(msg)
-
-
-def make_option_group(group, parser):
-    # type: (Dict[str, Any], ConfigOptionParser) -> OptionGroup
-    """
-    Return an OptionGroup object
-    group  -- assumed to be dict with 'name' and 'options' keys
-    parser -- an optparse Parser
-    """
-    option_group = OptionGroup(parser, group['name'])
-    for option in group['options']:
-        option_group.add_option(option())
-    return option_group
-
-
-def check_install_build_global(options, check_options=None):
-    # type: (Values, Optional[Values]) -> None
-    """Disable wheels if per-setup.py call options are set.
-
-    :param options: The OptionParser options to update.
-    :param check_options: The options to check, if not supplied defaults to
-        options.
-    """
-    if check_options is None:
-        check_options = options
-
-    def getname(n):
-        return getattr(check_options, n, None)
-    names = ["build_options", "global_options", "install_options"]
-    if any(map(getname, names)):
-        control = options.format_control
-        control.disallow_binaries()
-        warnings.warn(
-            'Disabling all use of wheels due to the use of --build-options '
-            '/ --global-options / --install-options.', stacklevel=2,
-        )
-
-
-def check_dist_restriction(options, check_target=False):
-    # type: (Values, bool) -> None
-    """Function for determining if custom platform options are allowed.
-
-    :param options: The OptionParser options.
-    :param check_target: Whether or not to check if --target is being used.
-    """
-    dist_restriction_set = any([
-        options.python_version,
-        options.platform,
-        options.abi,
-        options.implementation,
-    ])
-
-    binary_only = FormatControl(set(), {':all:'})
-    sdist_dependencies_allowed = (
-        options.format_control != binary_only and
-        not options.ignore_dependencies
-    )
-
-    # Installations or downloads using dist restrictions must not combine
-    # source distributions and dist-specific wheels, as they are not
-    # gauranteed to be locally compatible.
-    if dist_restriction_set and sdist_dependencies_allowed:
-        raise CommandError(
-            "When restricting platform and interpreter constraints using "
-            "--python-version, --platform, --abi, or --implementation, "
-            "either --no-deps must be set, or --only-binary=:all: must be "
-            "set and --no-binary must not be set (or must be set to "
-            ":none:)."
-        )
-
-    if check_target:
-        if dist_restriction_set and not options.target_dir:
-            raise CommandError(
-                "Can not use any platform or abi specific options unless "
-                "installing via '--target'"
-            )
-
-
-###########
-# options #
-###########
-
-help_ = partial(
-    Option,
-    '-h', '--help',
-    dest='help',
-    action='help',
-    help='Show help.',
-)  # type: Callable[..., Option]
-
-isolated_mode = partial(
-    Option,
-    "--isolated",
-    dest="isolated_mode",
-    action="store_true",
-    default=False,
-    help=(
-        "Run pip in an isolated mode, ignoring environment variables and user "
-        "configuration."
-    ),
-)  # type: Callable[..., Option]
-
-require_virtualenv = partial(
-    Option,
-    # Run only if inside a virtualenv, bail if not.
-    '--require-virtualenv', '--require-venv',
-    dest='require_venv',
-    action='store_true',
-    default=False,
-    help=SUPPRESS_HELP
-)  # type: Callable[..., Option]
-
-verbose = partial(
-    Option,
-    '-v', '--verbose',
-    dest='verbose',
-    action='count',
-    default=0,
-    help='Give more output. Option is additive, and can be used up to 3 times.'
-)  # type: Callable[..., Option]
-
-no_color = partial(
-    Option,
-    '--no-color',
-    dest='no_color',
-    action='store_true',
-    default=False,
-    help="Suppress colored output",
-)  # type: Callable[..., Option]
-
-version = partial(
-    Option,
-    '-V', '--version',
-    dest='version',
-    action='store_true',
-    help='Show version and exit.',
-)  # type: Callable[..., Option]
-
-quiet = partial(
-    Option,
-    '-q', '--quiet',
-    dest='quiet',
-    action='count',
-    default=0,
-    help=(
-        'Give less output. Option is additive, and can be used up to 3'
-        ' times (corresponding to WARNING, ERROR, and CRITICAL logging'
-        ' levels).'
-    ),
-)  # type: Callable[..., Option]
-
-progress_bar = partial(
-    Option,
-    '--progress-bar',
-    dest='progress_bar',
-    type='choice',
-    choices=list(BAR_TYPES.keys()),
-    default='on',
-    help=(
-        'Specify type of progress to be displayed [' +
-        '|'.join(BAR_TYPES.keys()) + '] (default: %default)'
-    ),
-)  # type: Callable[..., Option]
-
-log = partial(
-    Option,
-    "--log", "--log-file", "--local-log",
-    dest="log",
-    metavar="path",
-    help="Path to a verbose appending log."
-)  # type: Callable[..., Option]
-
-no_input = partial(
-    Option,
-    # Don't ask for input
-    '--no-input',
-    dest='no_input',
-    action='store_true',
-    default=False,
-    help=SUPPRESS_HELP
-)  # type: Callable[..., Option]
-
-proxy = partial(
-    Option,
-    '--proxy',
-    dest='proxy',
-    type='str',
-    default='',
-    help="Specify a proxy in the form [user:passwd@]proxy.server:port."
-)  # type: Callable[..., Option]
-
-retries = partial(
-    Option,
-    '--retries',
-    dest='retries',
-    type='int',
-    default=5,
-    help="Maximum number of retries each connection should attempt "
-         "(default %default times).",
-)  # type: Callable[..., Option]
-
-timeout = partial(
-    Option,
-    '--timeout', '--default-timeout',
-    metavar='sec',
-    dest='timeout',
-    type='float',
-    default=15,
-    help='Set the socket timeout (default %default seconds).',
-)  # type: Callable[..., Option]
-
-skip_requirements_regex = partial(
-    Option,
-    # A regex to be used to skip requirements
-    '--skip-requirements-regex',
-    dest='skip_requirements_regex',
-    type='str',
-    default='',
-    help=SUPPRESS_HELP,
-)  # type: Callable[..., Option]
-
-
-def exists_action():
-    # type: () -> Option
-    return Option(
-        # Option when path already exist
-        '--exists-action',
-        dest='exists_action',
-        type='choice',
-        choices=['s', 'i', 'w', 'b', 'a'],
-        default=[],
-        action='append',
-        metavar='action',
-        help="Default action when a path already exists: "
-             "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort).",
-    )
-
-
-cert = partial(
-    Option,
-    '--cert',
-    dest='cert',
-    type='str',
-    metavar='path',
-    help="Path to alternate CA bundle.",
-)  # type: Callable[..., Option]
-
-client_cert = partial(
-    Option,
-    '--client-cert',
-    dest='client_cert',
-    type='str',
-    default=None,
-    metavar='path',
-    help="Path to SSL client certificate, a single file containing the "
-         "private key and the certificate in PEM format.",
-)  # type: Callable[..., Option]
-
-index_url = partial(
-    Option,
-    '-i', '--index-url', '--pypi-url',
-    dest='index_url',
-    metavar='URL',
-    default=PyPI.simple_url,
-    help="Base URL of Python Package Index (default %default). "
-         "This should point to a repository compliant with PEP 503 "
-         "(the simple repository API) or a local directory laid out "
-         "in the same format.",
-)  # type: Callable[..., Option]
-
-
-def extra_index_url():
-    return Option(
-        '--extra-index-url',
-        dest='extra_index_urls',
-        metavar='URL',
-        action='append',
-        default=[],
-        help="Extra URLs of package indexes to use in addition to "
-             "--index-url. Should follow the same rules as "
-             "--index-url.",
-    )
-
-
-no_index = partial(
-    Option,
-    '--no-index',
-    dest='no_index',
-    action='store_true',
-    default=False,
-    help='Ignore package index (only looking at --find-links URLs instead).',
-)  # type: Callable[..., Option]
-
-
-def find_links():
-    # type: () -> Option
-    return Option(
-        '-f', '--find-links',
-        dest='find_links',
-        action='append',
-        default=[],
-        metavar='url',
-        help="If a url or path to an html file, then parse for links to "
-             "archives. If a local path or file:// url that's a directory, "
-             "then look for archives in the directory listing.",
-    )
-
-
-def trusted_host():
-    # type: () -> Option
-    return Option(
-        "--trusted-host",
-        dest="trusted_hosts",
-        action="append",
-        metavar="HOSTNAME",
-        default=[],
-        help="Mark this host as trusted, even though it does not have valid "
-             "or any HTTPS.",
-    )
-
-
-def constraints():
-    # type: () -> Option
-    return Option(
-        '-c', '--constraint',
-        dest='constraints',
-        action='append',
-        default=[],
-        metavar='file',
-        help='Constrain versions using the given constraints file. '
-        'This option can be used multiple times.'
-    )
-
-
-def requirements():
-    # type: () -> Option
-    return Option(
-        '-r', '--requirement',
-        dest='requirements',
-        action='append',
-        default=[],
-        metavar='file',
-        help='Install from the given requirements file. '
-        'This option can be used multiple times.'
-    )
-
-
-def editable():
-    # type: () -> Option
-    return Option(
-        '-e', '--editable',
-        dest='editables',
-        action='append',
-        default=[],
-        metavar='path/url',
-        help=('Install a project in editable mode (i.e. setuptools '
-              '"develop mode") from a local project path or a VCS url.'),
-    )
-
-
-src = partial(
-    Option,
-    '--src', '--source', '--source-dir', '--source-directory',
-    dest='src_dir',
-    metavar='dir',
-    default=src_prefix,
-    help='Directory to check out editable projects into. '
-    'The default in a virtualenv is "<venv path>/src". '
-    'The default for global installs is "<current dir>/src".'
-)  # type: Callable[..., Option]
-
-
-def _get_format_control(values, option):
-    # type: (Values, Option) -> Any
-    """Get a format_control object."""
-    return getattr(values, option.dest)
-
-
-def _handle_no_binary(option, opt_str, value, parser):
-    # type: (Option, str, str, OptionParser) -> None
-    existing = _get_format_control(parser.values, option)
-    FormatControl.handle_mutual_excludes(
-        value, existing.no_binary, existing.only_binary,
-    )
-
-
-def _handle_only_binary(option, opt_str, value, parser):
-    # type: (Option, str, str, OptionParser) -> None
-    existing = _get_format_control(parser.values, option)
-    FormatControl.handle_mutual_excludes(
-        value, existing.only_binary, existing.no_binary,
-    )
-
-
-def no_binary():
-    # type: () -> Option
-    format_control = FormatControl(set(), set())
-    return Option(
-        "--no-binary", dest="format_control", action="callback",
-        callback=_handle_no_binary, type="str",
-        default=format_control,
-        help="Do not use binary packages. Can be supplied multiple times, and "
-             "each time adds to the existing value. Accepts either :all: to "
-             "disable all binary packages, :none: to empty the set, or one or "
-             "more package names with commas between them. Note that some "
-             "packages are tricky to compile and may fail to install when "
-             "this option is used on them.",
-    )
-
-
-def only_binary():
-    # type: () -> Option
-    format_control = FormatControl(set(), set())
-    return Option(
-        "--only-binary", dest="format_control", action="callback",
-        callback=_handle_only_binary, type="str",
-        default=format_control,
-        help="Do not use source packages. Can be supplied multiple times, and "
-             "each time adds to the existing value. Accepts either :all: to "
-             "disable all source packages, :none: to empty the set, or one or "
-             "more package names with commas between them. Packages without "
-             "binary distributions will fail to install when this option is "
-             "used on them.",
-    )
-
-
-platform = partial(
-    Option,
-    '--platform',
-    dest='platform',
-    metavar='platform',
-    default=None,
-    help=("Only use wheels compatible with <platform>. "
-          "Defaults to the platform of the running system."),
-)  # type: Callable[..., Option]
-
-
-python_version = partial(
-    Option,
-    '--python-version',
-    dest='python_version',
-    metavar='python_version',
-    default=None,
-    help=("Only use wheels compatible with Python "
-          "interpreter version <version>. If not specified, then the "
-          "current system interpreter minor version is used. A major "
-          "version (e.g. '2') can be specified to match all "
-          "minor revs of that major version.  A minor version "
-          "(e.g. '34') can also be specified."),
-)  # type: Callable[..., Option]
-
-
-implementation = partial(
-    Option,
-    '--implementation',
-    dest='implementation',
-    metavar='implementation',
-    default=None,
-    help=("Only use wheels compatible with Python "
-          "implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
-          " or 'ip'. If not specified, then the current "
-          "interpreter implementation is used.  Use 'py' to force "
-          "implementation-agnostic wheels."),
-)  # type: Callable[..., Option]
-
-
-abi = partial(
-    Option,
-    '--abi',
-    dest='abi',
-    metavar='abi',
-    default=None,
-    help=("Only use wheels compatible with Python "
-          "abi <abi>, e.g. 'pypy_41'.  If not specified, then the "
-          "current interpreter abi tag is used.  Generally "
-          "you will need to specify --implementation, "
-          "--platform, and --python-version when using "
-          "this option."),
-)  # type: Callable[..., Option]
-
-
-def prefer_binary():
-    # type: () -> Option
-    return Option(
-        "--prefer-binary",
-        dest="prefer_binary",
-        action="store_true",
-        default=False,
-        help="Prefer older binary packages over newer source packages."
-    )
-
-
-cache_dir = partial(
-    Option,
-    "--cache-dir",
-    dest="cache_dir",
-    default=USER_CACHE_DIR,
-    metavar="dir",
-    help="Store the cache data in <dir>."
-)  # type: Callable[..., Option]
-
-
-def no_cache_dir_callback(option, opt, value, parser):
-    """
-    Process a value provided for the --no-cache-dir option.
-
-    This is an optparse.Option callback for the --no-cache-dir option.
-    """
-    # The value argument will be None if --no-cache-dir is passed via the
-    # command-line, since the option doesn't accept arguments.  However,
-    # the value can be non-None if the option is triggered e.g. by an
-    # environment variable, like PIP_NO_CACHE_DIR=true.
-    if value is not None:
-        # Then parse the string value to get argument error-checking.
-        try:
-            strtobool(value)
-        except ValueError as exc:
-            raise_option_error(parser, option=option, msg=str(exc))
-
-    # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool()
-    # converted to 0 (like "false" or "no") caused cache_dir to be disabled
-    # rather than enabled (logic would say the latter).  Thus, we disable
-    # the cache directory not just on values that parse to True, but (for
-    # backwards compatibility reasons) also on values that parse to False.
-    # In other words, always set it to False if the option is provided in
-    # some (valid) form.
-    parser.values.cache_dir = False
-
-
-no_cache = partial(
-    Option,
-    "--no-cache-dir",
-    dest="cache_dir",
-    action="callback",
-    callback=no_cache_dir_callback,
-    help="Disable the cache.",
-)  # type: Callable[..., Option]
-
-no_deps = partial(
-    Option,
-    '--no-deps', '--no-dependencies',
-    dest='ignore_dependencies',
-    action='store_true',
-    default=False,
-    help="Don't install package dependencies.",
-)  # type: Callable[..., Option]
-
-build_dir = partial(
-    Option,
-    '-b', '--build', '--build-dir', '--build-directory',
-    dest='build_dir',
-    metavar='dir',
-    help='Directory to unpack packages into and build in. Note that '
-         'an initial build still takes place in a temporary directory. '
-         'The location of temporary directories can be controlled by setting '
-         'the TMPDIR environment variable (TEMP on Windows) appropriately. '
-         'When passed, build directories are not cleaned in case of failures.'
-)  # type: Callable[..., Option]
-
-ignore_requires_python = partial(
-    Option,
-    '--ignore-requires-python',
-    dest='ignore_requires_python',
-    action='store_true',
-    help='Ignore the Requires-Python information.'
-)  # type: Callable[..., Option]
-
-no_build_isolation = partial(
-    Option,
-    '--no-build-isolation',
-    dest='build_isolation',
-    action='store_false',
-    default=True,
-    help='Disable isolation when building a modern source distribution. '
-         'Build dependencies specified by PEP 518 must be already installed '
-         'if this option is used.'
-)  # type: Callable[..., Option]
-
-
-def no_use_pep517_callback(option, opt, value, parser):
-    """
-    Process a value provided for the --no-use-pep517 option.
-
-    This is an optparse.Option callback for the no_use_pep517 option.
-    """
-    # Since --no-use-pep517 doesn't accept arguments, the value argument
-    # will be None if --no-use-pep517 is passed via the command-line.
-    # However, the value can be non-None if the option is triggered e.g.
-    # by an environment variable, for example "PIP_NO_USE_PEP517=true".
-    if value is not None:
-        msg = """A value was passed for --no-use-pep517,
-        probably using either the PIP_NO_USE_PEP517 environment variable
-        or the "no-use-pep517" config file option. Use an appropriate value
-        of the PIP_USE_PEP517 environment variable or the "use-pep517"
-        config file option instead.
-        """
-        raise_option_error(parser, option=option, msg=msg)
-
-    # Otherwise, --no-use-pep517 was passed via the command-line.
-    parser.values.use_pep517 = False
-
-
-use_pep517 = partial(
-    Option,
-    '--use-pep517',
-    dest='use_pep517',
-    action='store_true',
-    default=None,
-    help='Use PEP 517 for building source distributions '
-         '(use --no-use-pep517 to force legacy behaviour).'
-)  # type: Any
-
-no_use_pep517 = partial(
-    Option,
-    '--no-use-pep517',
-    dest='use_pep517',
-    action='callback',
-    callback=no_use_pep517_callback,
-    default=None,
-    help=SUPPRESS_HELP
-)  # type: Any
-
-install_options = partial(
-    Option,
-    '--install-option',
-    dest='install_options',
-    action='append',
-    metavar='options',
-    help="Extra arguments to be supplied to the setup.py install "
-         "command (use like --install-option=\"--install-scripts=/usr/local/"
-         "bin\"). Use multiple --install-option options to pass multiple "
-         "options to setup.py install. If you are using an option with a "
-         "directory path, be sure to use absolute path.",
-)  # type: Callable[..., Option]
-
-global_options = partial(
-    Option,
-    '--global-option',
-    dest='global_options',
-    action='append',
-    metavar='options',
-    help="Extra global options to be supplied to the setup.py "
-         "call before the install command.",
-)  # type: Callable[..., Option]
-
-no_clean = partial(
-    Option,
-    '--no-clean',
-    action='store_true',
-    default=False,
-    help="Don't clean up build directories."
-)  # type: Callable[..., Option]
-
-pre = partial(
-    Option,
-    '--pre',
-    action='store_true',
-    default=False,
-    help="Include pre-release and development versions. By default, "
-         "pip only finds stable versions.",
-)  # type: Callable[..., Option]
-
-disable_pip_version_check = partial(
-    Option,
-    "--disable-pip-version-check",
-    dest="disable_pip_version_check",
-    action="store_true",
-    default=False,
-    help="Don't periodically check PyPI to determine whether a new version "
-         "of pip is available for download. Implied with --no-index.",
-)  # type: Callable[..., Option]
-
-
-# Deprecated, Remove later
-always_unzip = partial(
-    Option,
-    '-Z', '--always-unzip',
-    dest='always_unzip',
-    action='store_true',
-    help=SUPPRESS_HELP,
-)  # type: Callable[..., Option]
-
-
-def _merge_hash(option, opt_str, value, parser):
-    # type: (Option, str, str, OptionParser) -> None
-    """Given a value spelled "algo:digest", append the digest to a list
-    pointed to in a dict by the algo name."""
-    if not parser.values.hashes:
-        parser.values.hashes = {}  # type: ignore
-    try:
-        algo, digest = value.split(':', 1)
-    except ValueError:
-        parser.error('Arguments to %s must be a hash name '
-                     'followed by a value, like --hash=sha256:abcde...' %
-                     opt_str)
-    if algo not in STRONG_HASHES:
-        parser.error('Allowed hash algorithms for %s are %s.' %
-                     (opt_str, ', '.join(STRONG_HASHES)))
-    parser.values.hashes.setdefault(algo, []).append(digest)
-
-
-hash = partial(
-    Option,
-    '--hash',
-    # Hash values eventually end up in InstallRequirement.hashes due to
-    # __dict__ copying in process_line().
-    dest='hashes',
-    action='callback',
-    callback=_merge_hash,
-    type='string',
-    help="Verify that the package's archive matches this "
-         'hash before installing. Example: --hash=sha256:abcdef...',
-)  # type: Callable[..., Option]
-
-
-require_hashes = partial(
-    Option,
-    '--require-hashes',
-    dest='require_hashes',
-    action='store_true',
-    default=False,
-    help='Require a hash to check each requirement against, for '
-         'repeatable installs. This option is implied when any package in a '
-         'requirements file has a --hash option.',
-)  # type: Callable[..., Option]
-
-
-##########
-# groups #
-##########
-
-general_group = {
-    'name': 'General Options',
-    'options': [
-        help_,
-        isolated_mode,
-        require_virtualenv,
-        verbose,
-        version,
-        quiet,
-        log,
-        no_input,
-        proxy,
-        retries,
-        timeout,
-        skip_requirements_regex,
-        exists_action,
-        trusted_host,
-        cert,
-        client_cert,
-        cache_dir,
-        no_cache,
-        disable_pip_version_check,
-        no_color,
-    ]
-}  # type: Dict[str, Any]
-
-index_group = {
-    'name': 'Package Index Options',
-    'options': [
-        index_url,
-        extra_index_url,
-        no_index,
-        find_links,
-    ]
-}  # type: Dict[str, Any]
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py
deleted file mode 100644
index b17c749..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/main_parser.py
+++ /dev/null
@@ -1,104 +0,0 @@
-"""A single place for constructing and exposing the main parser
-"""
-
-import os
-import sys
-
-from pip import __version__
-from pip._internal.cli import cmdoptions
-from pip._internal.cli.parser import (
-    ConfigOptionParser, UpdatingDefaultsHelpFormatter,
-)
-from pip._internal.commands import (
-    commands_dict, get_similar_commands, get_summaries,
-)
-from pip._internal.exceptions import CommandError
-from pip._internal.utils.misc import get_prog
-from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-
-if MYPY_CHECK_RUNNING:
-    from typing import Tuple, List  # noqa: F401
-
-
-__all__ = ["create_main_parser", "parse_command"]
-
-
-def create_main_parser():
-    # type: () -> ConfigOptionParser
-    """Creates and returns the main parser for pip's CLI
-    """
-
-    parser_kw = {
-        'usage': '\n%prog <command> [options]',
-        'add_help_option': False,
-        'formatter': UpdatingDefaultsHelpFormatter(),
-        'name': 'global',
-        'prog': get_prog(),
-    }
-
-    parser = ConfigOptionParser(**parser_kw)
-    parser.disable_interspersed_args()
-
-    pip_pkg_dir = os.path.abspath(os.path.join(
-        os.path.dirname(__file__), "..", "..",
-    ))
-    parser.version = 'pip %s from %s (python %s)' % (
-        __version__, pip_pkg_dir, sys.version[:3],
-    )
-
-    # add the general options
-    gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
-    parser.add_option_group(gen_opts)
-
-    # so the help formatter knows
-    parser.main = True  # type: ignore
-
-    # create command listing for description
-    command_summaries = get_summaries()
-    description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries]
-    parser.description = '\n'.join(description)
-
-    return parser
-
-
-def parse_command(args):
-    # type: (List[str]) -> Tuple[str, List[str]]
-    parser = create_main_parser()
-
-    # Note: parser calls disable_interspersed_args(), so the result of this
-    # call is to split the initial args into the general options before the
-    # subcommand and everything else.
-    # For example:
-    #  args: ['--timeout=5', 'install', '--user', 'INITools']
-    #  general_options: ['--timeout==5']
-    #  args_else: ['install', '--user', 'INITools']
-    general_options, args_else = parser.parse_args(args)
-
-    # --version
-    if general_options.version:
-        sys.stdout.write(parser.version)  # type: ignore
-        sys.stdout.write(os.linesep)
-        sys.exit()
-
-    # pip || pip help -> print_help()
-    if not args_else or (args_else[0] == 'help' and len(args_else) == 1):
-        parser.print_help()
-        sys.exit()
-
-    # the subcommand name
-    cmd_name = args_else[0]
-
-    if cmd_name not in commands_dict:
-        guess = get_similar_commands(cmd_name)
-
-        msg = ['unknown command "%s"' % cmd_name]
-        if guess:
-            msg.append('maybe you meant "%s"' % guess)
-
-        raise CommandError(' - '.join(msg))
-
-    # all the args without the subcommand
-    cmd_args = args[:]
-    cmd_args.remove(cmd_name)
-
-    return cmd_name, cmd_args
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py
deleted file mode 100644
index e1eaac4..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/parser.py
+++ /dev/null
@@ -1,261 +0,0 @@
-"""Base option parser setup"""
-from __future__ import absolute_import
-
-import logging
-import optparse
-import sys
-import textwrap
-from distutils.util import strtobool
-
-from pip._vendor.six import string_types
-
-from pip._internal.cli.status_codes import UNKNOWN_ERROR
-from pip._internal.configuration import Configuration, ConfigurationError
-from pip._internal.utils.compat import get_terminal_size
-
-logger = logging.getLogger(__name__)
-
-
-class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
-    """A prettier/less verbose help formatter for optparse."""
-
-    def __init__(self, *args, **kwargs):
-        # help position must be aligned with __init__.parseopts.description
-        kwargs['max_help_position'] = 30
-        kwargs['indent_increment'] = 1
-        kwargs['width'] = get_terminal_size()[0] - 2
-        optparse.IndentedHelpFormatter.__init__(self, *args, **kwargs)
-
-    def format_option_strings(self, option):
-        return self._format_option_strings(option, ' <%s>', ', ')
-
-    def _format_option_strings(self, option, mvarfmt=' <%s>', optsep=', '):
-        """
-        Return a comma-separated list of option strings and metavars.
-
-        :param option:  tuple of (short opt, long opt), e.g: ('-f', '--format')
-        :param mvarfmt: metavar format string - evaluated as mvarfmt % metavar
-        :param optsep:  separator
-        """
-        opts = []
-
-        if option._short_opts:
-            opts.append(option._short_opts[0])
-        if option._long_opts:
-            opts.append(option._long_opts[0])
-        if len(opts) > 1:
-            opts.insert(1, optsep)
-
-        if option.takes_value():
-            metavar = option.metavar or option.dest.lower()
-            opts.append(mvarfmt % metavar.lower())
-
-        return ''.join(opts)
-
-    def format_heading(self, heading):
-        if heading == 'Options':
-            return ''
-        return heading + ':\n'
-
-    def format_usage(self, usage):
-        """
-        Ensure there is only one newline between usage and the first heading
-        if there is no description.
-        """
-        msg = '\nUsage: %s\n' % self.indent_lines(textwrap.dedent(usage), "  ")
-        return msg
-
-    def format_description(self, description):
-        # leave full control over description to us
-        if description:
-            if hasattr(self.parser, 'main'):
-                label = 'Commands'
-            else:
-                label = 'Description'
-            # some doc strings have initial newlines, some don't
-            description = description.lstrip('\n')
-            # some doc strings have final newlines and spaces, some don't
-            description = description.rstrip()
-            # dedent, then reindent
-            description = self.indent_lines(textwrap.dedent(description), "  ")
-            description = '%s:\n%s\n' % (label, description)
-            return description
-        else:
-            return ''
-
-    def format_epilog(self, epilog):
-        # leave full control over epilog to us
-        if epilog:
-            return epilog
-        else:
-            return ''
-
-    def indent_lines(self, text, indent):
-        new_lines = [indent + line for line in text.split('\n')]
-        return "\n".join(new_lines)
-
-
-class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
-    """Custom help formatter for use in ConfigOptionParser.
-
-    This is updates the defaults before expanding them, allowing
-    them to show up correctly in the help listing.
-    """
-
-    def expand_default(self, option):
-        if self.parser is not None:
-            self.parser._update_defaults(self.parser.defaults)
-        return optparse.IndentedHelpFormatter.expand_default(self, option)
-
-
-class CustomOptionParser(optparse.OptionParser):
-
-    def insert_option_group(self, idx, *args, **kwargs):
-        """Insert an OptionGroup at a given position."""
-        group = self.add_option_group(*args, **kwargs)
-
-        self.option_groups.pop()
-        self.option_groups.insert(idx, group)
-
-        return group
-
-    @property
-    def option_list_all(self):
-        """Get a list of all options, including those in option groups."""
-        res = self.option_list[:]
-        for i in self.option_groups:
-            res.extend(i.option_list)
-
-        return res
-
-
-class ConfigOptionParser(CustomOptionParser):
-    """Custom option parser which updates its defaults by checking the
-    configuration files and environmental variables"""
-
-    def __init__(self, *args, **kwargs):
-        self.name = kwargs.pop('name')
-
-        isolated = kwargs.pop("isolated", False)
-        self.config = Configuration(isolated)
-
-        assert self.name
-        optparse.OptionParser.__init__(self, *args, **kwargs)
-
-    def check_default(self, option, key, val):
-        try:
-            return option.check_value(key, val)
-        except optparse.OptionValueError as exc:
-            print("An error occurred during configuration: %s" % exc)
-            sys.exit(3)
-
-    def _get_ordered_configuration_items(self):
-        # Configuration gives keys in an unordered manner. Order them.
-        override_order = ["global", self.name, ":env:"]
-
-        # Pool the options into different groups
-        section_items = {name: [] for name in override_order}
-        for section_key, val in self.config.items():
-            # ignore empty values
-            if not val:
-                logger.debug(
-                    "Ignoring configuration key '%s' as it's value is empty.",
-                    section_key
-                )
-                continue
-
-            section, key = section_key.split(".", 1)
-            if section in override_order:
-                section_items[section].append((key, val))
-
-        # Yield each group in their override order
-        for section in override_order:
-            for key, val in section_items[section]:
-                yield key, val
-
-    def _update_defaults(self, defaults):
-        """Updates the given defaults with values from the config files and
-        the environ. Does a little special handling for certain types of
-        options (lists)."""
-
-        # Accumulate complex default state.
-        self.values = optparse.Values(self.defaults)
-        late_eval = set()
-        # Then set the options with those values
-        for key, val in self._get_ordered_configuration_items():
-            # '--' because configuration supports only long names
-            option = self.get_option('--' + key)
-
-            # Ignore options not present in this parser. E.g. non-globals put
-            # in [global] by users that want them to apply to all applicable
-            # commands.
-            if option is None:
-                continue
-
-            if option.action in ('store_true', 'store_false', 'count'):
-                try:
-                    val = strtobool(val)
-                except ValueError:
-                    error_msg = invalid_config_error_message(
-                        option.action, key, val
-                    )
-                    self.error(error_msg)
-
-            elif option.action == 'append':
-                val = val.split()
-                val = [self.check_default(option, key, v) for v in val]
-            elif option.action == 'callback':
-                late_eval.add(option.dest)
-                opt_str = option.get_opt_string()
-                val = option.convert_value(opt_str, val)
-                # From take_action
-                args = option.callback_args or ()
-                kwargs = option.callback_kwargs or {}
-                option.callback(option, opt_str, val, self, *args, **kwargs)
-            else:
-                val = self.check_default(option, key, val)
-
-            defaults[option.dest] = val
-
-        for key in late_eval:
-            defaults[key] = getattr(self.values, key)
-        self.values = None
-        return defaults
-
-    def get_default_values(self):
-        """Overriding to make updating the defaults after instantiation of
-        the option parser possible, _update_defaults() does the dirty work."""
-        if not self.process_default_values:
-            # Old, pre-Optik 1.5 behaviour.
-            return optparse.Values(self.defaults)
-
-        # Load the configuration, or error out in case of an error
-        try:
-            self.config.load()
-        except ConfigurationError as err:
-            self.exit(UNKNOWN_ERROR, str(err))
-
-        defaults = self._update_defaults(self.defaults.copy())  # ours
-        for option in self._get_all_options():
-            default = defaults.get(option.dest)
-            if isinstance(default, string_types):
-                opt_str = option.get_opt_string()
-                defaults[option.dest] = option.check_value(opt_str, default)
-        return optparse.Values(defaults)
-
-    def error(self, msg):
-        self.print_usage(sys.stderr)
-        self.exit(UNKNOWN_ERROR, "%s\n" % msg)
-
-
-def invalid_config_error_message(action, key, val):
-    """Returns a better error message when invalid configuration option
-    is provided."""
-    if action in ('store_true', 'store_false'):
-        return ("{0} is not a valid value for {1} option, "
-                "please specify a boolean value like yes/no, "
-                "true/false or 1/0 instead.").format(val, key)
-
-    return ("{0} is not a valid value for {1} option, "
-            "please specify a numerical value like 1/0 "
-            "instead.").format(val, key)
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py
deleted file mode 100644
index 275360a..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/cli/status_codes.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from __future__ import absolute_import
-
-SUCCESS = 0
-ERROR = 1
-UNKNOWN_ERROR = 2
-VIRTUALENV_NOT_FOUND = 3
-PREVIOUS_BUILD_DIR_ERROR = 4
-NO_MATCHES_FOUND = 23