Use 'except ... as' syntax

This syntax works on Python 2.6 through 3.x.  lib/ansible/module_utils
(and lib/ansible/modules) need to support Python 2.4, so I didn't touch
those.

lib/ansible/cli/doc.py

@@ -120,7 +120,7 @@ class DocCLI(CLI):
                     # this typically means we couldn't even parse the docstring, not just that the YAML is busted,
                     # probably a quoting issue.
                     raise AnsibleError("Parsing produced an empty object.")
-            except Exception, e:
+            except Exception as e:
                 self.display.vvv(traceback.print_exc())
                 raise AnsibleError("module %s missing documentation (or could not parse documentation): %s\n" % (module, str(e)))
 

lib/ansible/cli/pull.py

@@ -196,7 +196,7 @@ class PullCLI(CLI):
             os.chdir('/')
             try:
                 shutil.rmtree(self.options.dest)
-            except Exception, e:
+            except Exception as e:
                 self.display.error("Failed to remove %s: %s" % (self.options.dest, str(e)))
 
         return rc

lib/ansible/executor/process/worker.py

@@ -67,7 +67,7 @@ class WorkerProcess(multiprocessing.Process):
             if fileno is not None:
                 try:
                     self._new_stdin = os.fdopen(os.dup(fileno))
-                except OSError, e:
+                except OSError as e:
                     # couldn't dupe stdin, most likely because it's
                     # not a valid file descriptor, so we just rely on
                     # using the one that was passed in
@@ -137,7 +137,7 @@ class WorkerProcess(multiprocessing.Process):
                 except:
                     # FIXME: most likely an abort, catch those kinds of errors specifically
                     break
-            except Exception, e:
+            except Exception as e:
                 debug("WORKER EXCEPTION: %s" % e)
                 debug("WORKER EXCEPTION: %s" % traceback.format_exc())
                 try:

lib/ansible/executor/task_executor.py

@@ -125,14 +125,14 @@ class TaskExecutor:
             result = json.dumps(res)
             debug("done dumping result, returning")
             return result
-        except AnsibleError, e:
+        except AnsibleError as e:
             return dict(failed=True, msg=to_unicode(e, nonstring='simplerepr'))
         finally:
             try:
                 self._connection.close()
             except AttributeError:
                 pass
-            except Exception, e:
+            except Exception as e:
                 debug("error closing connection: %s" % to_unicode(e))
 
     def _get_loop_items(self):
@@ -187,7 +187,7 @@ class TaskExecutor:
 
             try:
                 tmp_task = self._task.copy()
-            except AnsibleParserError, e:
+            except AnsibleParserError as e:
                 results.append(dict(failed=True, msg=str(e)))
                 continue
 

lib/ansible/inventory/__init__.py

@@ -143,7 +143,7 @@ class Inventory(object):
                 return re.search(pattern_str[1:], str)
             else:
                 return fnmatch.fnmatch(str, pattern_str)
-        except Exception, e:
+        except Exception as e:
             raise AnsibleError('invalid host pattern: %s' % pattern_str)
 
     def _match_list(self, items, item_attr, pattern_str):
@@ -153,7 +153,7 @@ class Inventory(object):
                 pattern = re.compile(fnmatch.translate(pattern_str))
             else:
                 pattern = re.compile(pattern_str[1:])
-        except Exception, e:
+        except Exception as e:
             raise AnsibleError('invalid host pattern: %s' % pattern_str)
 
         for item in items:

lib/ansible/inventory/script.py

@@ -46,7 +46,7 @@ class InventoryScript:
         cmd = [ self.filename, "--list" ]
         try:
             sp = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        except OSError, e:
+        except OSError as e:
             raise AnsibleError("problem running %s (%s)" % (' '.join(cmd), e))
         (stdout, stderr) = sp.communicate()
 
@@ -153,7 +153,7 @@ class InventoryScript:
         cmd = [self.filename, "--host", host.name]
         try:
             sp = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        except OSError, e:
+        except OSError as e:
             raise AnsibleError("problem running %s (%s)" % (' '.join(cmd), e))
         (out, err) = sp.communicate()
         if out.strip() == '':

lib/ansible/playbook/conditional.py

@@ -66,7 +66,7 @@ class Conditional:
             for conditional in self.when:
                 if not self._check_conditional(conditional, templar, all_vars):
                     return False
-        except Exception, e:
+        except Exception as e:
             raise AnsibleError("The conditional check '%s' failed. The error was: %s" % (conditional, e), obj=ds)
 
         return True

lib/ansible/plugins/cache/jsonfile.py

@@ -45,7 +45,7 @@ class CacheModule(BaseCacheModule):
         if not os.path.exists(self._cache_dir):
             try:
                 os.makedirs(self._cache_dir)
-            except (OSError,IOError), e:
+            except (OSError,IOError) as e:
                 self._display.warning("error while trying to create cache dir %s : %s" % (self._cache_dir, str(e)))
                 return None
 
@@ -60,7 +60,7 @@ class CacheModule(BaseCacheModule):
         cachefile = "%s/%s" % (self._cache_dir, key)
         try:
             f = codecs.open(cachefile, 'r', encoding='utf-8')
-        except (OSError,IOError), e:
+        except (OSError,IOError) as e:
             self._display.warning("error while trying to read %s : %s" % (cachefile, str(e)))
             pass
         else:
@@ -81,7 +81,7 @@ class CacheModule(BaseCacheModule):
         cachefile = "%s/%s" % (self._cache_dir, key)
         try:
             f = codecs.open(cachefile, 'w', encoding='utf-8')
-        except (OSError,IOError), e:
+        except (OSError,IOError) as e:
             self._display.warning("error while trying to write to %s : %s" % (cachefile, str(e)))
             pass
         else:
@@ -94,7 +94,7 @@ class CacheModule(BaseCacheModule):
         cachefile = "%s/%s" % (self._cache_dir, key)
         try:
             st = os.stat(cachefile)
-        except (OSError,IOError), e:
+        except (OSError,IOError) as e:
             if e.errno == errno.ENOENT:
                 return False
             else:
@@ -126,7 +126,7 @@ class CacheModule(BaseCacheModule):
         try:
             st = os.stat(cachefile)
             return True
-        except (OSError,IOError), e:
+        except (OSError,IOError) as e:
             if e.errno == errno.ENOENT:
                 return False
             else:
@@ -137,7 +137,7 @@ class CacheModule(BaseCacheModule):
         del self._cache[key]
         try:
             os.remove("%s/%s" % (self._cache_dir, key))
-        except (OSError,IOError), e:
+        except (OSError,IOError) as e:
             pass #TODO: only pass on non existing?
 
     def flush(self):

lib/ansible/plugins/filter/core.py

@@ -152,7 +152,7 @@ def version_compare(value, version, operator='eq', strict=False):
     try:
         method = getattr(py_operator, operator)
         return method(Version(str(value)), Version(str(version)))
-    except Exception, e:
+    except Exception as e:
         raise errors.AnsibleFilterError('Version comparison: %s' % e)
 
 def regex_escape(string):

lib/ansible/plugins/filter/mathstuff.py

@@ -80,14 +80,14 @@ def logarithm(x, base=math.e):
             return math.log10(x)
         else:
             return math.log(x, base)
-    except TypeError, e:
+    except TypeError as e:
         raise errors.AnsibleFilterError('log() can only be used on numbers: %s' % str(e))
 
 
 def power(x, y):
     try:
         return math.pow(x, y)
-    except TypeError, e:
+    except TypeError as e:
         raise errors.AnsibleFilterError('pow() can only be used on numbers: %s' % str(e))
 
 
@@ -97,7 +97,7 @@ def inversepower(x, base=2):
             return math.sqrt(x)
         else:
             return math.pow(x, 1.0/float(base))
-    except TypeError, e:
+    except TypeError as e:
         raise errors.AnsibleFilterError('root() can only be used on numbers: %s' % str(e))
 
 

lib/ansible/plugins/lookup/consul_kv.py

@@ -67,7 +67,7 @@ except ImportError:
 try:
     import consul
     HAS_CONSUL = True
-except ImportError, e:
+except ImportError as e:
     HAS_CONSUL = False
 
 
@@ -104,7 +104,7 @@ class LookupModule(LookupBase):
                             values.append(r['Value'])
                     else:
                         values.append(results[1]['Value'])
-        except Exception, e:
+        except Exception as e:
             raise AnsibleError(
                 "Error locating '%s' in kv store. Error was %s" % (term, e))
 
@@ -127,7 +127,7 @@ class LookupModule(LookupBase):
                     name, value = param.split('=')
                     assert name in paramvals, "% not a valid consul lookup parameter" % name
                     paramvals[name] = value
-        except (ValueError, AssertionError), e:
+        except (ValueError, AssertionError) as e:
             raise AnsibleError(e)
 
         return paramvals

lib/ansible/plugins/lookup/credstash.py

@@ -41,7 +41,7 @@ class LookupModule(LookupBase):
                 val = credstash.getSecret(term, **kwargs)
             except credstash.ItemNotFound:
                 raise AnsibleError('Key {0} not found'.format(term))
-            except Exception, e:
+            except Exception as e:
                 raise AnsibleError('Encountered exception while fetching {0}: {1}'.format(term, e.message))
             ret.append(val)
 

lib/ansible/plugins/lookup/dig.py

@@ -141,7 +141,7 @@ class LookupModule(LookupBase):
                         try:
                             nsaddr = dns.resolver.query(ns)[0].address
                             nameservers.append(nsaddr)
-                        except Exception, e:
+                        except Exception as e:
                             raise AnsibleError("dns lookup NS: ", str(e))
                     myres.nameservers = nameservers
                 continue
@@ -176,7 +176,7 @@ class LookupModule(LookupBase):
                 domain = n.to_text()
             except dns.exception.SyntaxError:
                 pass
-            except Exception, e:
+            except Exception as e:
                 raise AnsibleError("dns.reversename unhandled exception", str(e))
 
         try:
@@ -196,7 +196,7 @@ class LookupModule(LookupBase):
                         rd['ttl']       = answers.rrset.ttl
 
                         ret.append(rd)
-                    except Exception, e:
+                    except Exception as e:
                         ret.append(str(e))
 
         except dns.resolver.NXDOMAIN:
@@ -205,7 +205,7 @@ class LookupModule(LookupBase):
             ret.append("")
         except dns.resolver.Timeout:
             ret.append('')
-        except dns.exception.DNSException, e:
+        except dns.exception.DNSException as e:
             raise AnsibleError("dns.resolver unhandled exception", e)
 
         return ret

lib/ansible/plugins/lookup/ini.py

@@ -47,7 +47,7 @@ class LookupModule(LookupBase):
         # Retrieve a single value
         try:
             value = self.cp.get(section, key)
-        except ConfigParser.NoOptionError, e:
+        except ConfigParser.NoOptionError as e:
             return dflt
         return value
 
@@ -76,7 +76,7 @@ class LookupModule(LookupBase):
                     name, value = param.split('=')
                     assert(name in paramvals)
                     paramvals[name] = value
-            except (ValueError, AssertionError), e:
+            except (ValueError, AssertionError) as e:
                 raise errors.AnsibleError(e)
 
             path = self._loader.path_dwim_relative(basedir, 'files', paramvals['file'])

lib/ansible/plugins/lookup/nested.py

@@ -32,7 +32,7 @@ class LookupModule(LookupBase):
         for x in terms:
             try:
                 intermediate = listify_lookup_plugin_terms(x, templar=self._templar, loader=self._loader, fail_on_undefined=True)
-            except UndefinedError, e:
+            except UndefinedError as e:
                 raise AnsibleUndefinedVariable("One of the nested variables was undefined. The error was: %s" % e)
             results.append(intermediate)
         return results

lib/ansible/plugins/lookup/sequence.py

@@ -186,7 +186,7 @@ class LookupModule(LookupBase):
                 try:
                     if not self.parse_simple_args(term):
                         self.parse_kv_args(parse_kv(term))
-                except Exception, e:
+                except Exception as e:
                     raise AnsibleError("unknown error parsing with_sequence arguments: %r. Error was: %s" % (term, e))
 
                 self.sanity_check()

lib/ansible/plugins/lookup/shelvefile.py

@@ -55,7 +55,7 @@ class LookupModule(LookupBase):
                     assert(name in paramvals)
                     paramvals[name] = value
 
-            except (ValueError, AssertionError), e:
+            except (ValueError, AssertionError) as e:
                 # In case "file" or "key" are not present
                 raise AnsibleError(e)
 

lib/ansible/plugins/strategies/__init__.py

@@ -382,7 +382,7 @@ class StrategyBase:
             data = self._loader.load_from_file(included_file._filename)
             if data is None:
                 return []
-        except AnsibleError, e:
+        except AnsibleError as e:
             for host in included_file._hosts:
                 tr = TaskResult(host=host, task=included_file._task, return_data=dict(failed=True, reason=str(e)))
                 iterator.mark_host_failed(host)
@@ -455,7 +455,7 @@ class StrategyBase:
                             loader=self._loader,
                             variable_manager=self._variable_manager
                         )
-                    except AnsibleError, e:
+                    except AnsibleError as e:
                         return False
 
                     if len(included_files) > 0:
@@ -475,7 +475,7 @@ class StrategyBase:
                                     # and add the new blocks to the list of handler blocks
                                     handler_block.block.extend(block.block)
                                 #iterator._play.handlers.extend(new_blocks)
-                            except AnsibleError, e:
+                            except AnsibleError as e:
                                 for host in included_file._hosts:
                                     iterator.mark_host_failed(host)
                                     self._tqm._failed_hosts[host.name] = True

lib/ansible/plugins/strategies/free.py

@@ -144,7 +144,7 @@ class StrategyModule(StrategyBase):
 
             try:
                 included_files = IncludedFile.process_include_results(host_results, self._tqm, iterator=iterator, loader=self._loader, variable_manager=self._variable_manager)
-            except AnsibleError, e:
+            except AnsibleError as e:
                 return False
 
             if len(included_files) > 0:
@@ -153,7 +153,7 @@ class StrategyModule(StrategyBase):
                     # list of noop tasks, to make sure that they continue running in lock-step
                     try:
                         new_blocks = self._load_included_file(included_file, iterator=iterator)
-                    except AnsibleError, e:
+                    except AnsibleError as e:
                         for host in included_file._hosts:
                             iterator.mark_host_failed(host)
                         self._display.warning(str(e))

lib/ansible/plugins/strategies/linear.py

@@ -258,7 +258,7 @@ class StrategyModule(StrategyBase):
 
                 try:
                     included_files = IncludedFile.process_include_results(host_results, self._tqm, iterator=iterator, loader=self._loader, variable_manager=self._variable_manager)
-                except AnsibleError, e:
+                except AnsibleError as e:
                     return False
 
                 if len(included_files) > 0:
@@ -273,7 +273,7 @@ class StrategyModule(StrategyBase):
                         # list of noop tasks, to make sure that they continue running in lock-step
                         try:
                             new_blocks = self._load_included_file(included_file, iterator=iterator)
-                        except AnsibleError, e:
+                        except AnsibleError as e:
                             for host in included_file._hosts:
                                 iterator.mark_host_failed(host)
                             self._display.warning(str(e))
@@ -296,7 +296,7 @@ class StrategyModule(StrategyBase):
                         iterator.add_tasks(host, all_blocks[host])
 
                 self._display.debug("results queue empty")
-            except (IOError, EOFError), e:
+            except (IOError, EOFError) as e:
                 self._display.debug("got IOError/EOFError in task loop: %s" % e)
                 # most likely an abort, return failed
                 return False

lib/ansible/template/__init__.py

@@ -261,7 +261,7 @@ class Templar:
                 ran = instance.run(loop_terms, variables=self._available_variables, **kwargs)
             except (AnsibleUndefinedVariable, UndefinedError) as e:
                 raise AnsibleUndefinedVariable(e)
-            except Exception, e:
+            except Exception as e:
                 if self._fail_on_lookup_errors:
                     raise
                 ran = None
@@ -299,9 +299,9 @@ class Templar:
 
             try:
                 t = myenv.from_string(data)
-            except TemplateSyntaxError, e:
+            except TemplateSyntaxError as e:
                 raise AnsibleError("template error while templating string: %s" % str(e))
-            except Exception, e:
+            except Exception as e:
                 if 'recursion' in str(e):
                     raise AnsibleError("recursive loop detected in template string: %s" % data)
                 else:
@@ -317,7 +317,7 @@ class Templar:
 
             try:
                 res = j2_concat(rf)
-            except TypeError, te:
+            except TypeError as te:
                 if 'StrictUndefined' in str(te):
                     raise AnsibleUndefinedVariable(
                         "Unable to look up a name or access an attribute in template string. " + \
@@ -338,7 +338,7 @@ class Templar:
                     res += '\n' * (data_newlines - res_newlines)
 
             return res
-        except (UndefinedError, AnsibleUndefinedVariable), e:
+        except (UndefinedError, AnsibleUndefinedVariable) as e:
             if fail_on_undefined:
                 raise AnsibleUndefinedVariable(e)
             else:

lib/ansible/utils/path.py

@@ -45,6 +45,6 @@ def makedirs_safe(path, mode=None):
                 os.makedirs(path, mode)
             else:
                 os.makedirs(path)
-        except OSError, e:
+        except OSError as e:
             if e.errno != EEXIST:
                 raise

lib/ansible/vars/__init__.py

@@ -242,7 +242,7 @@ class VariableManager:
                             break
                     else:
                         raise AnsibleError("vars file %s was not found" % vars_file_item)
-                except UndefinedError, e:
+                except UndefinedError as e:
                     continue
 
             if not C.DEFAULT_PRIVATE_ROLE_VARS:

tox.ini

@@ -26,7 +26,7 @@ whitelist_externals = make
 [testenv:py34]
 commands =
     python --version
-    python -m compileall -fq -x 'lib/ansible/module_utils' lib test contrib
+    python -m compileall -fq -x 'lib/ansible/module_utils|lib/ansible/modules' lib test contrib
     make tests
 deps = -r{toxinidir}/test-requirements.txt
 whitelist_externals = make