fix: user getpass.getuser() to get user login name

`pwd` module is Unix-specific

Author: matthew-brett

nipype/pipeline/plugins/base.py

@@ -6,7 +6,7 @@
 from copy import deepcopy
 from glob import glob
 import os
-import pwd
+import getpass
 import shutil
 from socket import gethostname
 import sys
@@ -52,7 +52,7 @@ def report_crash(node, traceback=None, hostname=None):
                                      exc_value,
                                      exc_traceback)
     timeofcrash = strftime('%Y%m%d-%H%M%S')
-    login_name = pwd.getpwuid(os.geteuid())[0]
+    login_name = getpass.getuser()
     crashfile = 'crash-%s-%s-%s.pklz' % (timeofcrash,
                                         login_name,
                                         name)

nipype/utils/provenance.py

@@ -1,7 +1,7 @@
 from cPickle import dumps
 import json
 import os
-import pwd
+import getpass
 from socket import getfqdn
 from uuid import uuid1
 from nipype.external import six
@@ -363,9 +363,8 @@ def add_results(self, results):
 
         # create agents
         user_attr = {pm.PROV["type"]: pm.PROV["Person"],
-                     pm.PROV["label"]: pwd.getpwuid(os.geteuid()).pw_name,
-                     foaf["name"]:
-                         safe_encode(pwd.getpwuid(os.geteuid()).pw_name)}
+                     pm.PROV["label"]: getpass.getuser(),
+                     foaf["name"]: safe_encode(getpass.getuser())}
         user_agent = self.g.agent(get_attr_id(user_attr), user_attr)
         agent_attr = {pm.PROV["type"]: pm.PROV["SoftwareAgent"],
                       pm.PROV["label"]: "Nipype",