Remove pip's vendoring in favor of setup.cfg

As rest of fetchcode does not use vendoring, it has been dopped
alltogether.

Signed-off-by: Alexander Mazuruk <a.mazuruk@samsung.com>

Author: aalexanderr

setup.cfg

@@ -26,6 +26,7 @@ install_requires =
     packageurl-python
     requests
     six
+    tenacity
 setup_requires = setuptools_scm[toml] >= 4
 
 [options.packages.find]

src/fetchcode/vcs/pip/_internal/exceptions.py

@@ -3,7 +3,7 @@
 from itertools import groupby
 from typing import TYPE_CHECKING, Dict, List
 
-from fetchcode.vcs.pip._vendor.requests.models import Request, Response
+from requests.models import Request, Response
 
 if TYPE_CHECKING:
     from hashlib import _Hash

src/fetchcode/vcs/pip/_internal/utils/compat.py

@@ -19,7 +19,7 @@ def has_tls() -> bool:
     except ImportError:
         pass
 
-    from fetchcode.vcs.pip._vendor.urllib3.util import IS_PYOPENSSL
+    from urllib3.util import IS_PYOPENSSL
 
     return IS_PYOPENSSL
 

src/fetchcode/vcs/pip/_internal/utils/logging.py

@@ -17,12 +17,7 @@
     import dummy_threading as threading  # type: ignore
 
 
-try:
-    from fetchcode.vcs.pip._vendor import colorama
-# Lots of different errors can come from this, including SystemError and
-# ImportError.
-except Exception:
-    colorama = None
+colorama = None
 
 
 _log_state = threading.local()

src/fetchcode/vcs/pip/_internal/utils/misc.py

@@ -33,7 +33,7 @@
     cast,
 )
 
-from fetchcode.vcs.pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
+from tenacity import retry, stop_after_delay, wait_fixed
 
 from fetchcode.vcs.pip._internal.exceptions import CommandError
 from fetchcode.vcs.pip._internal.utils.compat import WINDOWS, stdlib_pkgs