rename 'examples' dir to 'scripts'

1 files changed, 81 insertions, 0 deletions

diff --git a/scripts/ps.py b/scripts/ps.py
new file mode 100755
index 00000000..9143a557
--- /dev/null
+++ b/scripts/ps.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+A clone of 'ps -aux' on UNIX.
+
+$ python scripts/ps.py
+...
+"""
+
+import datetime
+import os
+import time
+
+import psutil
+
+
+def main():
+    today_day = datetime.date.today()
+    templ = "%-10s %5s %4s %4s %7s %7s %-13s %5s %7s  %s"
+    attrs = ['pid', 'cpu_percent', 'memory_percent', 'name', 'cpu_times',
+             'create_time', 'memory_info']
+    if os.name == 'posix':
+        attrs.append('uids')
+        attrs.append('terminal')
+    print(templ % ("USER", "PID", "%CPU", "%MEM", "VSZ", "RSS", "TTY",
+                   "START", "TIME", "COMMAND"))
+    for p in psutil.process_iter():
+        try:
+            pinfo = p.as_dict(attrs, ad_value='')
+        except psutil.NoSuchProcess:
+            pass
+        else:
+            if pinfo['create_time']:
+                ctime = datetime.datetime.fromtimestamp(pinfo['create_time'])
+                if ctime.date() == today_day:
+                    ctime = ctime.strftime("%H:%M")
+                else:
+                    ctime = ctime.strftime("%b%d")
+            else:
+                ctime = ''
+            cputime = time.strftime("%M:%S",
+                                    time.localtime(sum(pinfo['cpu_times'])))
+            try:
+                user = p.username()
+            except KeyError:
+                if os.name == 'posix':
+                    if pinfo['uids']:
+                        user = str(pinfo['uids'].real)
+                    else:
+                        user = ''
+                else:
+                    raise
+            except psutil.Error:
+                user = ''
+            if os.name == 'nt' and '\\' in user:
+                user = user.split('\\')[1]
+            vms = pinfo['memory_info'] and \
+                int(pinfo['memory_info'].vms / 1024) or '?'
+            rss = pinfo['memory_info'] and \
+                int(pinfo['memory_info'].rss / 1024) or '?'
+            memp = pinfo['memory_percent'] and \
+                round(pinfo['memory_percent'], 1) or '?'
+            print(templ % (
+                user[:10],
+                pinfo['pid'],
+                pinfo['cpu_percent'],
+                memp,
+                vms,
+                rss,
+                pinfo.get('terminal', '') or '?',
+                ctime,
+                cputime,
+                pinfo['name'].strip() or '?'))
+
+
+if __name__ == '__main__':
+    main()