Example (#240)

* Added sftp copy file example. Updated setup.py
* Added single client example

Author: pkittenis

examples/sftp_copy_file.py

@@ -0,0 +1,21 @@
+import os
+from gevent import joinall
+from datetime import datetime
+from pssh.clients import ParallelSSHClient
+
+
+with open('file_copy', 'wb') as fh:
+    for _ in range(2000000):
+        fh.write(b'asdfa')
+
+
+fileinfo = os.stat('file_copy')
+client = ParallelSSHClient(['localhost'])
+now = datetime.now()
+cmd = client.copy_file('file_copy', '/tmp/file_copy')
+joinall(cmd, raise_error=True)
+taken = datetime.now() - now
+mb_size = fileinfo.st_size / (1024000.0)
+rate = mb_size / taken.total_seconds()
+print("File size %sMB transfered in %s, transfer rate %s MB/s" % (
+    mb_size, taken, rate))

examples/single_client.py

@@ -0,0 +1,18 @@
+from pssh.clients import SSHClient
+from datetime import datetime
+
+
+host = 'localhost'
+cmds = ['echo first command',
+        'echo second command',
+        'sleep 1; echo third command took one second',
+        ]
+client = SSHClient(host)
+
+start = datetime.now()
+for cmd in cmds:
+    out = client.run_command(cmd)
+    for line in out.stdout:
+        print(line)
+end = datetime.now()
+print("Took %s seconds" % (end - start).total_seconds())

setup.py

@@ -31,6 +31,7 @@
       author='Panos Kittenis',
       author_email='zuboci@yandex.com',
       url="https://github.com/ParallelSSH/parallel-ssh",
+      license='LGPLv2.1',
       packages=find_packages(
           '.', exclude=('embedded_server', 'embedded_server.*',
                         'tests', 'tests.*',