Freeze requirements

.gitattributes

@@ -1 +1 @@
-src/_version.py export-subst
+nilmrun/_version.py export-subst

.gitignore

@@ -3,8 +3,8 @@ build/
 *.pyc
 dist/
 nilmrun.egg-info/
+.eggs/
 
 # This gets generated as needed by setup.py
-MANIFEST.in
 MANIFEST
 

MANIFEST.in

@@ -0,0 +1,8 @@
+# Root
+include README.md
+include setup.py
+include versioneer.py
+include Makefile
+
+# Version
+include nilmrun/_version.py

Makefile

@@ -1,9 +1,6 @@
 # By default, run the tests.
 all: test
 
-test2:
-	nilmrun/trainola.py data.js
-
 version:
 	python3 setup.py version
 
@@ -23,8 +20,11 @@ develop:
 docs:
 	make -C docs
 
+ctrl: flake
+flake:
+	flake8 nilmrun
 lint:
-	pylint3 --rcfile=.pylintrc nilmdb
+	pylint3 --rcfile=setup.cfg nilmrun
 
 test:
 ifneq ($(INSIDE_EMACS),)
@@ -37,12 +37,13 @@ else
 endif
 
 clean::
+	find . -name '*.pyc' -o -name '__pycache__' -print0 | xargs -0 rm -rf
 	rm -f .coverage
-	find . -name '*pyc' | xargs rm -f
+	rm -rf nilmrun.egg-info/ build/
-	rm -rf nilmtools.egg-info/ build/ MANIFEST.in
 	make -C docs clean
 
 gitclean::
 	git clean -dXf
 
-.PHONY: all version dist sdist install docs lint test clean gitclean
+.PHONY: all version dist sdist install docs test
+.PHONY: ctrl lint flake clean gitclean

nilmrun/__init__.py

@@ -1,5 +1,3 @@
-import nilmrun.processmanager
-
 from ._version import get_versions
 __version__ = get_versions()['version']
 del get_versions

nilmrun/_version.py

@@ -41,9 +41,9 @@ def get_config():
     cfg = VersioneerConfig()
     cfg.VCS = "git"
     cfg.style = "pep440"
-    cfg.tag_prefix = "nilmdb-"
+    cfg.tag_prefix = "nilmrun-"
-    cfg.parentdir_prefix = "nilmdb-"
+    cfg.parentdir_prefix = "nilmrun-"
-    cfg.versionfile_source = "nilmdb/_version.py"
+    cfg.versionfile_source = "nilmrun/_version.py"
     cfg.verbose = False
     return cfg
 
@@ -86,20 +86,20 @@ def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False,
             if e.errno == errno.ENOENT:
                 continue
             if verbose:
-                print(("unable to run %s" % dispcmd))
+                print("unable to run %s" % dispcmd)
                 print(e)
             return None, None
     else:
         if verbose:
-            print(("unable to find command, tried %s" % (commands,)))
+            print("unable to find command, tried %s" % (commands,))
         return None, None
     stdout = p.communicate()[0].strip()
     if sys.version_info[0] >= 3:
         stdout = stdout.decode()
     if p.returncode != 0:
         if verbose:
-            print(("unable to run %s (error)" % dispcmd))
+            print("unable to run %s (error)" % dispcmd)
-            print(("stdout was %s" % stdout))
+            print("stdout was %s" % stdout)
         return None, p.returncode
     return stdout, p.returncode
 
@@ -124,8 +124,8 @@ def versions_from_parentdir(parentdir_prefix, root, verbose):
             root = os.path.dirname(root)  # up a level
 
     if verbose:
-        print(("Tried directories %s but none started with prefix %s" %
+        print("Tried directories %s but none started with prefix %s" %
-              (str(rootdirs), parentdir_prefix)))
+              (str(rootdirs), parentdir_prefix))
     raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
 
 
@@ -192,15 +192,15 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # "stabilization", as well as "HEAD" and "master".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
-            print(("discarding '%s', no digits" % ",".join(refs - tags)))
+            print("discarding '%s', no digits" % ",".join(refs - tags))
     if verbose:
-        print(("likely tags: %s" % ",".join(sorted(tags))))
+        print("likely tags: %s" % ",".join(sorted(tags)))
     for ref in sorted(tags):
         # sorting will prefer e.g. "2.0" over "2.0rc1"
         if ref.startswith(tag_prefix):
             r = ref[len(tag_prefix):]
             if verbose:
-                print(("picking %s" % r))
+                print("picking %s" % r)
             return {"version": r,
                     "full-revisionid": keywords["full"].strip(),
                     "dirty": False, "error": None,
@@ -229,7 +229,7 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
                           hide_stderr=True)
     if rc != 0:
         if verbose:
-            print(("Directory %s not under git control" % root))
+            print("Directory %s not under git control" % root)
         raise NotThisMethod("'git rev-parse --git-dir' returned error")
 
     # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
@@ -278,7 +278,7 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
         if not full_tag.startswith(tag_prefix):
             if verbose:
                 fmt = "tag '%s' doesn't start with prefix '%s'"
-                print((fmt % (full_tag, tag_prefix)))
+                print(fmt % (full_tag, tag_prefix))
             pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
                                % (full_tag, tag_prefix))
             return pieces

nilmrun/processmanager.py

@@ -1,6 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
-
-from nilmdb.utils.printf import *
 
 import threading
 import subprocess
@@ -15,16 +13,18 @@ import tempfile
 import atexit
 import shutil
 
+
 class ProcessError(Exception):
     pass
 
+
 class LogReceiver(object):
     """Spawn a thread that listens to a pipe for log messages,
     and stores them locally."""
     def __init__(self, pipe):
         self.pipe = pipe
         self.log = io.BytesIO()
-        self.thread = threading.Thread(target = self.run)
+        self.thread = threading.Thread(target=self.run)
         self.thread.start()
 
     def run(self):
@@ -41,9 +41,10 @@ class LogReceiver(object):
     def clear(self):
         self.log = io.BytesIO()
 
+
 class Process(object):
     """Spawn and manage a subprocess, and capture its output."""
-    def __init__(self, argv, tempfile = None):
+    def __init__(self, argv, tempfile=None):
         self.start_time = None
 
         # Use a pipe for communicating log data
@@ -55,9 +56,9 @@ class Process(object):
 
         # Spawn the new process
         try:
-            self._process = subprocess.Popen(args = argv, stdin = nullfd,
+            self._process = subprocess.Popen(args=argv, stdin=nullfd,
-                                             stdout = wpipe, stderr = wpipe,
+                                             stdout=wpipe, stderr=wpipe,
-                                             close_fds = True, cwd = "/tmp")
+                                             close_fds=True, cwd="/tmp")
         except (OSError, TypeError) as e:
             raise ProcessError(str(e))
         finally:
@@ -69,7 +70,7 @@ class Process(object):
         self.start_time = time.time()
         self.pid = str(uuid.uuid1(self._process.pid or 0))
 
-    def _join(self, timeout = 1.0):
+    def _join(self, timeout=1.0):
         start = time.time()
         while True:
             if self._process.poll() is not None:
@@ -78,7 +79,7 @@ class Process(object):
                 return False
             time.sleep(0.1)
 
-    def terminate(self, timeout = 1.0):
+    def terminate(self, timeout=1.0):
         """Terminate a process, and all of its children that are in the same
         process group."""
         try:
@@ -89,19 +90,19 @@ class Process(object):
             def getpgid(pid):
                 try:
                     return os.getpgid(pid)
-                except OSError: # pragma: no cover
+                except OSError:  # pragma: no cover
                     return None
 
             def kill(pid, sig):
                 try:
                     return os.kill(pid, sig)
-                except OSError: # pragma: no cover
+                except OSError:  # pragma: no cover
                     return
 
             # Find all children
             group = getpgid(self._process.pid)
             main = psutil.Process(self._process.pid)
-            allproc = [ main ] + main.children(recursive = True)
+            allproc = [main] + main.children(recursive=True)
 
             # Kill with SIGTERM, if they're still in this process group
             for proc in allproc:
@@ -119,7 +120,7 @@ class Process(object):
 
             # See if it worked
             return self._join(timeout)
-        except psutil.Error: # pragma: no cover (race condition)
+        except psutil.Error:  # pragma: no cover (race condition)
             return True
 
     def clear_log(self):
@@ -142,22 +143,22 @@ class Process(object):
         Call .get_info() about a second later."""
         try:
             main = psutil.Process(self._process.pid)
-            self._process_list = [ main ] + main.children(recursive = True)
+            self._process_list = [main] + main.children(recursive=True)
             for proc in self._process_list:
                 proc.cpu_percent(0)
-        except psutil.Error: # pragma: no cover (race condition)
+        except psutil.Error:  # pragma: no cover (race condition)
-            self._process_list = [ ]
+            self._process_list = []
 
     @staticmethod
     def get_empty_info():
-        return { "cpu_percent": 0,
+        return {"cpu_percent": 0,
-                 "cpu_user": 0,
+                "cpu_user": 0,
-                 "cpu_sys": 0,
+                "cpu_sys": 0,
-                 "mem_phys": 0,
+                "mem_phys": 0,
-                 "mem_virt": 0,
+                "mem_virt": 0,
-                 "io_read": 0,
+                "io_read": 0,
-                 "io_write": 0,
+                "io_write": 0,
-                 "procs": 0 }
+                "procs": 0}
 
     def get_info(self):
         """Return a dictionary with info about the process CPU and memory
@@ -180,6 +181,7 @@ class Process(object):
                 pass
         return d
 
+
 class ProcessManager(object):
     """Track and manage a collection of Process objects"""
     def __init__(self):
@@ -191,7 +193,7 @@ class ProcessManager(object):
         if pid in self.tmpdirs:
             try:
                 shutil.rmtree(self.tmpdirs[pid])
-            except OSError: # pragma: no cover
+            except OSError:  # pragma: no cover
                 pass
             del self.tmpdirs[pid]
 
@@ -203,7 +205,7 @@ class ProcessManager(object):
                 del self.processes[pid]
                 shutil.rmtree(self.tmpdirs[pid])
                 del self.tmpdirs[pid]
-            except Exception: # pragma: no cover
+            except Exception:  # pragma: no cover
                 pass
 
     def __iter__(self):
@@ -218,7 +220,7 @@ class ProcessManager(object):
         accessible in the code as sys.argv[1:]."""
         # The easiest way to do this, by far, is to just write the
         # code to a file.  Make a directory to put it in.
-        tmpdir = tempfile.mkdtemp(prefix = "nilmrun-usercode-")
+        tmpdir = tempfile.mkdtemp(prefix="nilmrun-usercode-")
         try:
             # Write the code
             codepath = os.path.join(tmpdir, "usercode.py")
@@ -229,7 +231,7 @@ class ProcessManager(object):
                 f.write(repr(args))
 
             # Run the code
-            argv = [ sys.executable, "-B", "-s", "-u", codepath ] + args
+            argv = [sys.executable, "-B", "-s", "-u", codepath] + args
             pid = self.run_command(argv)
 
             # Save the temp dir
@@ -242,7 +244,7 @@ class ProcessManager(object):
             if tmpdir is not None:
                 try:
                     shutil.rmtree(tmpdir)
-                except OSError: # pragma: no cover
+                except OSError:  # pragma: no cover
                     pass
 
     def run_command(self, argv):
@@ -260,15 +262,16 @@ class ProcessManager(object):
 
     def get_info(self):
         """Get info about all running PIDs"""
-        info = { "total" : Process.get_empty_info(),
+        info = {
-                 "pids" : {},
+            "total": Process.get_empty_info(),
-                 "system" : {}
+            "pids": {},
-                 }
+            "system": {}
+        }
 
         # Trigger CPU usage collection
         for pid in self:
             self[pid].get_info_prepare()
-        psutil.cpu_percent(0, percpu = True)
+        psutil.cpu_percent(0, percpu=True)
 
         # Give it some time
         time.sleep(1)

nilmrun/server.py

@@ -1,18 +1,12 @@
 """CherryPy-based server for running NILM filters via HTTP"""
 
 import cherrypy
-import sys
 import os
 import socket
-import json
 import traceback
-import time
 
-import nilmdb
+from nilmdb.utils.printf import sprintf
-from nilmdb.utils.printf import *
 from nilmdb.server.serverutil import (
-        chunked_response,
-        response_type,
         exception_to_httperror,
         CORS_allow,
         json_to_request_params,
@@ -23,10 +17,12 @@ from nilmdb.server.serverutil import (
         )
 from nilmdb.utils import serializer_proxy
 import nilmrun
+import nilmrun.processmanager
 
 # Add CORS_allow tool
 cherrypy.tools.CORS_allow = cherrypy.Tool('on_start_resource', CORS_allow)
 
+
 # CherryPy apps
 class App(object):
     """Root application for NILM runner"""
@@ -53,6 +49,7 @@ class App(object):
     def version(self):
         return nilmrun.__version__
 
+
 class AppProcess(object):
 
     def __init__(self, manager):
@@ -74,7 +71,7 @@ class AppProcess(object):
     # /process/status
     @cherrypy.expose
     @cherrypy.tools.json_out()
-    def status(self, pid, clear = False):
+    def status(self, pid, clear=False):
         """Return status about a process.  If clear = True, also clear
         the log."""
         clear = bool_param(clear)
@@ -104,18 +101,19 @@ class AppProcess(object):
     @cherrypy.expose
     @cherrypy.tools.json_in()
     @cherrypy.tools.json_out()
-    @cherrypy.tools.CORS_allow(methods = ["POST"])
+    @cherrypy.tools.CORS_allow(methods=["POST"])
     def remove(self, pid):
         """Remove a process from the manager, killing it if necessary."""
         if pid not in self.manager:
             raise cherrypy.HTTPError("404 Not Found", "No such PID")
-        if not self.manager.terminate(pid): # pragma: no cover
+        if not self.manager.terminate(pid):  # pragma: no cover
             raise cherrypy.HTTPError("503 Service Unavailable",
                                      "Failed to stop process")
         status = self.process_status(pid)
         self.manager.remove(pid)
         return status
 
+
 class AppRun(object):
     def __init__(self, manager):
         self.manager = manager
@@ -125,7 +123,7 @@ class AppRun(object):
     @cherrypy.tools.json_in()
     @cherrypy.tools.json_out()
     @exception_to_httperror(nilmrun.processmanager.ProcessError)
-    @cherrypy.tools.CORS_allow(methods = ["POST"])
+    @cherrypy.tools.CORS_allow(methods=["POST"])
     def command(self, argv):
         """Execute an arbitrary program on the server.  argv is a
         list of the program and its arguments: 'argv[0]' is the program
@@ -140,8 +138,8 @@ class AppRun(object):
     @cherrypy.tools.json_in()
     @cherrypy.tools.json_out()
     @exception_to_httperror(nilmrun.processmanager.ProcessError)
-    @cherrypy.tools.CORS_allow(methods = ["POST"])
+    @cherrypy.tools.CORS_allow(methods=["POST"])
-    def code(self, code, args = None):
+    def code(self, code, args=None):
         """Execute arbitrary Python code.  'code' is a formatted string.
         It will be run as if it were written into a Python file and
         executed.  'args' is a list of strings, and they are passed
@@ -154,10 +152,11 @@ class AppRun(object):
                                      "args must be a list of strings")
         return self.manager.run_code(code, args)
 
+
 class Server(object):
-    def __init__(self, host = '127.0.0.1', port = 8080,
+    def __init__(self, host='127.0.0.1', port=8080,
-                 force_traceback = False, # include traceback in all errors
+                 force_traceback=False,  # include traceback in all errors
-                 basepath = '',           # base URL path for cherrypy.tree
+                 basepath='',            # base URL path for cherrypy.tree
                  ):
 
         # Build up global server configuration
@@ -176,23 +175,25 @@ class Server(object):
             })
 
         # Some default headers to just help identify that things are working
-        app_config.update({ 'response.headers.X-Jim-Is-Awesome': 'yeah' })
+        app_config.update({'response.headers.X-Jim-Is-Awesome': 'yeah'})
 
         # Set up Cross-Origin Resource Sharing (CORS) handler so we
         # can correctly respond to browsers' CORS preflight requests.
         # This also limits verbs to GET and HEAD by default.
-        app_config.update({ 'tools.CORS_allow.on': True,
+        app_config.update({
-                            'tools.CORS_allow.methods': ['GET', 'HEAD'] })
+            'tools.CORS_allow.on': True,
+            'tools.CORS_allow.methods': ['GET', 'HEAD']
+        })
 
         # Configure the 'json_in' tool to also allow other content-types
         # (like x-www-form-urlencoded), and to treat JSON as a dict that
         # fills requests.param.
-        app_config.update({ 'tools.json_in.force': False,
+        app_config.update({'tools.json_in.force': False,
-                            'tools.json_in.processor': json_to_request_params })
+                           'tools.json_in.processor': json_to_request_params})
 
         # Send tracebacks in error responses.  They're hidden by the
         # error_page function for client errors (code 400-499).
-        app_config.update({ 'request.show_tracebacks' : True })
+        app_config.update({'request.show_tracebacks': True})
         self.force_traceback = force_traceback
 
         # Patch CherryPy error handler to never pad out error messages.
@@ -210,7 +211,7 @@ class Server(object):
         root.process = AppProcess(manager)
         root.run = AppRun(manager)
         cherrypy.tree.apps = {}
-        cherrypy.tree.mount(root, basepath, config = { "/" : app_config })
+        cherrypy.tree.mount(root, basepath, config={"/": app_config})
 
         # Set up the WSGI application pointer for external programs
         self.wsgi_application = cherrypy.tree
@@ -220,17 +221,20 @@ class Server(object):
         return json_error_page(status, message, traceback, version,
                                self.force_traceback)
 
-    def start(self, blocking = False, event = None):
+    def start(self, blocking=False, event=None):
         cherrypy_start(blocking, event)
 
     def stop(self):
         cherrypy_stop()
 
+
 # Multiple processes and threads should be OK here, but we'll still
 # follow the NilmDB approach of having just one globally initialized
 # copy of the server object.
 _wsgi_server = None
-def wsgi_application(basepath): # pragma: no cover
+
+
+def wsgi_application(basepath):  # pragma: no cover
     """Return a WSGI application object.
 
     'basepath' is the URL path of the application base, which
@@ -243,12 +247,11 @@ def wsgi_application(basepath): # pragma: no cover
             # Try to start the server
             try:
                 _wsgi_server = nilmrun.server.Server(
-                    basepath = basepath.rstrip('/'))
+                    basepath=basepath.rstrip('/'))
             except Exception:
                 # Build an error message on failure
                 import pprint
-                err = sprintf("Initializing nilmrun failed:\n\n",
+                err = "Initializing nilmrun failed:\n\n"
-                              dbpath)
                 err += traceback.format_exc()
                 try:
                     import pwd
@@ -263,8 +266,10 @@ def wsgi_application(basepath): # pragma: no cover
                 err += sprintf("\nEnvironment:\n%s\n", pprint.pformat(environ))
         if _wsgi_server is None:
             # Serve up the error with our own mini WSGI app.
-            headers = [ ('Content-type', 'text/plain'),
+            headers = [
-                        ('Content-length', str(len(err))) ]
+                ('Content-type', 'text/plain'),
+                ('Content-length', str(len(err)))
+            ]
             start_response("500 Internal Server Error", headers)
             return [err]
 

requirements.txt

@@ -1,2 +1,2 @@
-nilmdb>=2.0.2
+nilmdb>=2.0.3
-psutil>=2.0.0
+psutil==5.7.2

scripts/kill.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
@@ -13,8 +13,9 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'Kill/remove a process from the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-        version = nilmrun.__version__)
+    parser.add_argument("-v", "--version", action="version",
+                        version=nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)

scripts/nilmrun_server.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nilmrun.server
 import argparse
@@ -10,8 +10,9 @@ def main():
 
     parser = argparse.ArgumentParser(
         description = 'Run the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-        version = nilmrun.__version__)
+    parser.add_argument("-v", "--version", action="version",
+                        version=nilmrun.__version__)
 
     group = parser.add_argument_group("Standard options")
     group.add_argument('-a', '--address',
@@ -34,7 +35,6 @@ def main():
         embedded = False
     server = nilmrun.server.Server(host = args.address,
                                    port = args.port,
-                                   embedded = embedded,
                                    force_traceback = args.traceback)
 
     # Print info

scripts/ps.py

@@ -1,8 +1,8 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
-from nilmdb.utils import datetime_tz
+import datetime_tz
 import nilmrun
 
 import argparse
@@ -13,8 +13,9 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'List NilmRun processes',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-        version = nilmrun.__version__)
+    parser.add_argument("-v", "--version", action="version",
+                        version=nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)

scripts/run.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
@@ -14,8 +14,9 @@ def main():
     def_url = os.environ.get("NILMRUN_URL", "http://localhost/nilmrun/")
     parser = argparse.ArgumentParser(
         description = 'Run a command on the NilmRun server',
-        formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+        formatter_class = argparse.ArgumentDefaultsHelpFormatter)
-        version = nilmrun.__version__)
+    parser.add_argument("-v", "--version", action="version",
+                        version=nilmrun.__version__)
     group = parser.add_argument_group("Standard options")
     group.add_argument('-u', '--url',
                        help = 'NilmRun server URL', default = def_url)
@@ -30,7 +31,8 @@ def main():
                        help="Arguments for command")
     args = parser.parse_args()
 
-    client = HTTPClient(baseurl = args.url, verify_ssl = not args.noverify)
+    client = HTTPClient(baseurl=args.url, verify_ssl=not args.noverify,
+                        post_json=True)
 
     # Run command
     pid = client.post("run/command", { "argv": [ args.cmd ] + args.arg })

setup.cfg

@@ -28,3 +28,11 @@ versionfile_source=nilmrun/_version.py
 versionfile_build=nilmrun/_version.py
 tag_prefix=nilmrun-
 parentdir_prefix=nilmrun-
+
+[flake8]
+exclude=_version.py
+extend-ignore=E731
+
+[pylint]
+ignore=_version.py
+disable=C0103,C0111,R0913,R0914

setup.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # To release a new version, tag it:
 #   git tag -a nilmrun-1.1 -m "Version 1.1"

tests/runtests.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nose
 import os

versioneer.py

@@ -276,11 +276,11 @@ https://creativecommons.org/publicdomain/zero/1.0/ .
 
 """
 
-
+from __future__ import print_function
 try:
     import configparser
 except ImportError:
-    import configparser as configparser
+    import ConfigParser as configparser
 import errno
 import json
 import os