Use except/as, now supported by Python 2.6

pkg_resources/__init__.py

@@ -843,8 +843,7 @@ class WorkingSet(object):
                 try:
                     resolvees = shadow_set.resolve(req, env, installer)
 
-                except ResolutionError:
-                    v = sys.exc_info()[1]
+                except ResolutionError as v:
                     # save error info
                     error_info[dist] = v
                     if fallback:
@@ -1340,8 +1339,8 @@ class MarkerEvaluation(object):
         """
         try:
             cls.evaluate_marker(text)
-        except SyntaxError:
-            return cls.normalize_exception(sys.exc_info()[1])
+        except SyntaxError as e:
+            return cls.normalize_exception(e)
         return False
 
     @staticmethod
@@ -1456,8 +1455,7 @@ class MarkerEvaluation(object):
             env[new_key] = env.pop(key)
         try:
             result = _markerlib.interpret(text, env)
-        except NameError:
-            e = sys.exc_info()[1]
+        except NameError as e:
             raise SyntaxError(e.args[0])
         return result
 

setuptools/command/easy_install.py

@@ -698,13 +698,11 @@ Please make the appropriate changes for your system and try again.
             distros = WorkingSet([]).resolve(
                 [requirement], self.local_index, self.easy_install
             )
-        except DistributionNotFound:
-            e = sys.exc_info()[1]
+        except DistributionNotFound as e:
             raise DistutilsError(
                 "Could not find required distribution %s" % e.args
             )
-        except VersionConflict:
-            e = sys.exc_info()[1]
+        except VersionConflict as e:
             raise DistutilsError(
                 "Installed distribution %s conflicts with requirement %s"
                 % e.args
@@ -1044,8 +1042,7 @@ See the setuptools documentation for the "develop" command for more info.
         )
         try:
             run_setup(setup_script, args)
-        except SystemExit:
-            v = sys.exc_info()[1]
+        except SystemExit as v:
             raise DistutilsError("Setup script exited with %s" % (v.args[0],))
 
     def build_and_install(self, setup_script, setup_base):
@@ -1889,8 +1886,7 @@ def chmod(path, mode):
     log.debug("changing mode of %s to %o", path, mode)
     try:
         _chmod(path, mode)
-    except os.error:
-        e = sys.exc_info()[1]
+    except os.error as e:
         log.debug("chmod failed: %s", e)
 
 

setuptools/command/sdist.py

@@ -70,7 +70,8 @@ class sdist(orig.sdist):
         try:
             orig.sdist.read_template(self)
         except:
-            sys.exc_info()[2].tb_next.tb_frame.f_locals['template'].close()
+            _, _, tb = sys.exc_info()
+            tb.tb_next.tb_frame.f_locals['template'].close()
             raise
 
     # Beginning with Python 2.7.2, 3.1.4, and 3.2.1, this leaky file handle

setuptools/command/upload_docs.py

@@ -169,8 +169,7 @@ class upload_docs(upload):
             conn.putheader('Authorization', auth)
             conn.endheaders()
             conn.send(body)
-        except socket.error:
-            e = sys.exc_info()[1]
+        except socket.error as e:
             self.announce(str(e), log.ERROR)
             return
 

setuptools/dist.py

@@ -131,8 +131,7 @@ def check_entry_points(dist, attr, value):
     """Verify that entry_points map is parseable"""
     try:
         pkg_resources.EntryPoint.parse_map(value)
-    except ValueError:
-        e = sys.exc_info()[1]
+    except ValueError as e:
         raise DistutilsSetupError(e)
 
 def check_test_suite(dist, attr, value):

setuptools/msvc9_support.py

@@ -50,8 +50,7 @@ def find_vcvarsall(version):
 def query_vcvarsall(version, *args, **kwargs):
     try:
         return unpatched['query_vcvarsall'](version, *args, **kwargs)
-    except distutils.errors.DistutilsPlatformError:
-        exc = sys.exc_info()[1]
+    except distutils.errors.DistutilsPlatformError as exc:
         if exc and "vcvarsall.bat" in exc.args[0]:
             message = 'Microsoft Visual C++ %0.1f is required (%s).' % (version, exc.args[0])
             if int(version) == 9:

setuptools/package_index.py

@@ -699,25 +699,21 @@ class PackageIndex(Environment):
             return local_open(url)
         try:
             return open_with_auth(url, self.opener)
-        except (ValueError, httplib.InvalidURL):
-            v = sys.exc_info()[1]
+        except (ValueError, httplib.InvalidURL) as v:
             msg = ' '.join([str(arg) for arg in v.args])
             if warning:
                 self.warn(warning, msg)
             else:
                 raise DistutilsError('%s %s' % (url, msg))
-        except urllib2.HTTPError:
-            v = sys.exc_info()[1]
+        except urllib2.HTTPError as v:
             return v
-        except urllib2.URLError:
-            v = sys.exc_info()[1]
+        except urllib2.URLError as v:
             if warning:
                 self.warn(warning, v.reason)
             else:
                 raise DistutilsError("Download error for %s: %s"
                                      % (url, v.reason))
-        except httplib.BadStatusLine:
-            v = sys.exc_info()[1]
+        except httplib.BadStatusLine as v:
             if warning:
                 self.warn(warning, v.line)
             else:
@@ -726,8 +722,7 @@ class PackageIndex(Environment):
                     'down, %s' %
                     (url, v.line)
                 )
-        except httplib.HTTPException:
-            v = sys.exc_info()[1]
+        except httplib.HTTPException as v:
             if warning:
                 self.warn(warning, v)
             else:

setuptools/sandbox.py

@@ -199,8 +199,7 @@ def run_setup(setup_script, args):
                 ns = dict(__file__=setup_script, __name__='__main__')
                 _execfile(setup_script, ns)
             DirectorySandbox(setup_dir).run(runner)
-        except SystemExit:
-            v = sys.exc_info()[1]
+        except SystemExit as v:
             if v.args and v.args[0]:
                 raise
             # Normal exit, just return

setuptools/tests/test_packageindex.py

@@ -15,8 +15,7 @@ class TestPackageIndex:
         url = 'http://127.0.0.1:0/nonesuch/test_package_index'
         try:
             v = index.open_url(url)
-        except Exception:
-            v = sys.exc_info()[1]
+        except Exception as v:
             assert url in str(v)
         else:
             assert isinstance(v, HTTPError)
@@ -32,8 +31,7 @@ class TestPackageIndex:
         url = 'url:%20https://svn.plone.org/svn/collective/inquant.contentmirror.plone/trunk'
         try:
             v = index.open_url(url)
-        except Exception:
-            v = sys.exc_info()[1]
+        except Exception as v:
             assert url in str(v)
         else:
             assert isinstance(v, HTTPError)
@@ -50,8 +48,7 @@ class TestPackageIndex:
         url = 'http://example.com'
         try:
             v = index.open_url(url)
-        except Exception:
-            v = sys.exc_info()[1]
+        except Exception as v:
             assert 'line' in str(v)
         else:
             raise AssertionError('Should have raise here!')
@@ -68,8 +65,7 @@ class TestPackageIndex:
         url = 'http://http://svn.pythonpaste.org/Paste/wphp/trunk'
         try:
             index.open_url(url)
-        except distutils.errors.DistutilsError:
-            error = sys.exc_info()[1]
+        except distutils.errors.DistutilsError as error:
             msg = unicode(error)
             assert 'nonnumeric port' in msg or 'getaddrinfo failed' in msg or 'Name or service not known' in msg
             return

setuptools/tests/test_sdist.py

@@ -174,8 +174,7 @@ class TestSdistTest:
         # The manifest should be UTF-8 encoded
         try:
             u_contents = contents.decode('UTF-8')
-        except UnicodeDecodeError:
-            e = sys.exc_info()[1]
+        except UnicodeDecodeError as e:
             self.fail(e)
 
         # The manifest should contain the UTF-8 filename
@@ -217,8 +216,7 @@ class TestSdistTest:
             # The manifest should be UTF-8 encoded
             try:
                 contents.decode('UTF-8')
-            except UnicodeDecodeError:
-                e = sys.exc_info()[1]
+            except UnicodeDecodeError as e:
                 self.fail(e)
 
             # The manifest should contain the UTF-8 filename
@@ -258,8 +256,7 @@ class TestSdistTest:
             # The manifest should be UTF-8 encoded
             try:
                 contents.decode('UTF-8')
-            except UnicodeDecodeError:
-                e = sys.exc_info()[1]
+            except UnicodeDecodeError as e:
                 self.fail(e)
 
             # The Latin-1 filename should have been skipped
@@ -328,8 +325,7 @@ class TestSdistTest:
             with quiet():
                 try:
                     cmd.read_manifest()
-                except UnicodeDecodeError:
-                    e = sys.exc_info()[1]
+                except UnicodeDecodeError as e:
                     self.fail(e)
 
             # The Latin-1 filename should have been skipped