1 files changed, 0 insertions, 88 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py
deleted file mode 100644
index 82e084a..0000000
--- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/req/req_tracker.py
+++ /dev/null
@@ -1,88 +0,0 @@
-from __future__ import absolute_import
-
-import contextlib
-import errno
-import hashlib
-import logging
-import os
-
-from pip._internal.utils.temp_dir import TempDirectory
-from pip._internal.utils.typing import MYPY_CHECK_RUNNING
-
-if MYPY_CHECK_RUNNING:
-    from typing import Set, Iterator  # noqa: F401
-    from pip._internal.req.req_install import InstallRequirement  # noqa: F401
-    from pip._internal.models.link import Link  # noqa: F401
-
-logger = logging.getLogger(__name__)
-
-
-class RequirementTracker(object):
-
-    def __init__(self):
-        # type: () -> None
-        self._root = os.environ.get('PIP_REQ_TRACKER')
-        if self._root is None:
-            self._temp_dir = TempDirectory(delete=False, kind='req-tracker')
-            self._temp_dir.create()
-            self._root = os.environ['PIP_REQ_TRACKER'] = self._temp_dir.path
-            logger.debug('Created requirements tracker %r', self._root)
-        else:
-            self._temp_dir = None
-            logger.debug('Re-using requirements tracker %r', self._root)
-        self._entries = set()  # type: Set[InstallRequirement]
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        self.cleanup()
-
-    def _entry_path(self, link):
-        # type: (Link) -> str
-        hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest()
-        return os.path.join(self._root, hashed)
-
-    def add(self, req):
-        # type: (InstallRequirement) -> None
-        link = req.link
-        info = str(req)
-        entry_path = self._entry_path(link)
-        try:
-            with open(entry_path) as fp:
-                # Error, these's already a build in progress.
-                raise LookupError('%s is already being built: %s'
-                                  % (link, fp.read()))
-        except IOError as e:
-            if e.errno != errno.ENOENT:
-                raise
-            assert req not in self._entries
-            with open(entry_path, 'w') as fp:
-                fp.write(info)
-            self._entries.add(req)
-            logger.debug('Added %s to build tracker %r', req, self._root)
-
-    def remove(self, req):
-        # type: (InstallRequirement) -> None
-        link = req.link
-        self._entries.remove(req)
-        os.unlink(self._entry_path(link))
-        logger.debug('Removed %s from build tracker %r', req, self._root)
-
-    def cleanup(self):
-        # type: () -> None
-        for req in set(self._entries):
-            self.remove(req)
-        remove = self._temp_dir is not None
-        if remove:
-            self._temp_dir.cleanup()
-        logger.debug('%s build tracker %r',
-                     'Removed' if remove else 'Cleaned',
-                     self._root)
-
-    @contextlib.contextmanager
-    def track(self, req):
-        # type: (InstallRequirement) -> Iterator[None]
-        self.add(req)
-        yield
-        self.remove(req)