An example by Eric S. Raymond... Not working yet.

git-svn-id: http://pexpect.svn.sourceforge.net/svnroot/pexpect/trunk@121 656d521f-e311-0410-88e0-e7920216d269

1 files changed, 37 insertions, 0 deletions

diff --git a/pexpect/examples/ssh_session.py b/pexpect/examples/ssh_session.py
new file mode 100644
index 0000000..5e05298
--- /dev/null
+++ b/pexpect/examples/ssh_session.py
@@ -0,0 +1,37 @@
+#
+# Eric S. Raymond
+#
+from pexpect import *
+
+class ssh_session:
+    "Session with extra state including the password to be used."
+    def __init__(self, user, host, password=None, verbose=0):
+        self.user = user
+        self.host = host
+        self.verbose = verbose
+        self.password = password
+    def __exec(self, command):
+        "Execute a command on the remote host.  Return the output."
+        child = spawn(command)
+        if self.verbose:
+            sys.stderr.write("-> " + command + "\n")
+        seen = child.expect(['assword:', EOF])
+        if seen == 0:
+            if not self.password:
+                self.password = getpass.getpass('Remote password: ')
+            child.sendline(self.password)
+            seen = child.expect(EOF)
+        if self.verbose:
+            sys.stderr.write("<- " + child.before + "\n")
+        return child.before
+    def ssh(self, command):
+        return self.__exec("ssh -l %s %s \"%s\""%(self.user,self.host,command))
+    def scp(self, src, dst):
+        return self.__exec("scp %s %s@%s:%s" % (src, session.user, session.host, dst))
+    def exists(self, file):
+        "Retrieve file permissions of specified remote file."
+        seen = self.ssh("/bin/ls -ld %s" % file)
+        if string.find(seen, "No such file") > -1:
+            return None # File doesn't exist
+        else:
+            return seen.split()[0] # Return permission field of listing.