Merge pull request #18 from sarugaku/pipenv-2421-setuppy-modulenotfou…

…nderror

Be more resilient when running setup.py

news/18.bugfix

@@ -0,0 +1 @@
+Fixed an issue with resolving certain packages which imported and executed other libraries (such as ``versioneer``) during ``setup.py`` execution.

src/requirementslib/__init__.py

@@ -1,5 +1,5 @@
 # -*- coding=utf-8 -*-
-__version__ = "1.0.6"
+__version__ = "1.0.7"
 
 
 from .exceptions import RequirementError

src/requirementslib/models/requirements.py

@@ -236,12 +236,14 @@ def get_name(self):
         ):
             from distutils.core import run_setup
 
+            old_curdir = os.path.abspath(os.getcwd())
             try:
+                os.chdir(str(self.setup_path.parent))
                 dist = run_setup(self.setup_path.as_posix(), stop_after="init")
                 name = dist.get_name()
             except (FileNotFoundError, IOError) as e:
                 dist = None
-            except (NameError, RuntimeError) as e:
+            except Exception as e:
                 from .._compat import InstallRequirement, make_abstract_dist
 
                 try:
@@ -257,6 +259,8 @@ def get_name(self):
                     name = dist.project_name
                 except (TypeError, ValueError, AttributeError) as e:
                     dist = None
+            finally:
+                os.chdir(old_curdir)
         hashed_loc = hashlib.sha256(loc.encode("utf-8")).hexdigest()
         hashed_name = hashed_loc[-7:]
         if not name or name == "UNKNOWN":