Adding shlex and netrc by Eric Raymond.

1 files changed, 93 insertions, 0 deletions

diff --git a/Lib/netrc.py b/Lib/netrc.py
new file mode 100644
index 0000000..7c1de26
--- /dev/null
+++ b/Lib/netrc.py
@@ -0,0 +1,93 @@
+#!/usr/bin/python
+# Module and documentation by Eric S. Raymond, 21 Dec 1998 
+
+import sys, os, string, shlex
+
+class netrc:
+    def __init__(self, file=None):
+        if not file:
+            file = os.path.join(os.environ['HOME'], ".netrc")
+        try:
+            fp = open(file)
+        except:
+            return None
+        self.hosts = {}
+        self.macros = {}
+        lexer = shlex.shlex(fp)
+        lexer.wordchars = lexer.wordchars + '.'
+        while 1:
+            # Look for a machine, default, or macdef top-level keyword
+            toplevel = tt = lexer.get_token()
+            if tt == '' or tt == None:
+                break
+            elif tt == 'machine':
+                entryname = lexer.get_token()
+            elif tt == 'default':
+                entryname = 'default'
+            elif tt == 'macdef':		# Just skip to end of macdefs
+                entryname = lexer.get_token()
+                self.macros[entryname] = []
+                lexer.whitepace = ' \t'
+                while 1:
+                    line = lexer.instream.readline()
+                    if not line or line == '\012' and tt == '\012':
+                        lexer.whitepace = ' \t\r\n'
+                        break
+                    tt = line
+                    self.macros[entryname].append(line)
+            else:
+                raise SyntaxError, "bad toplevel token %s, file %s, line %d" \
+            				% (tt, file, lexer.lineno) 
+
+            # We're looking at start of an entry for a named machine or default.
+            if toplevel == 'machine':
+                login = account = password = None
+                self.hosts[entryname] = {}
+            while 1:
+                tt = lexer.get_token()
+                if tt=='' or tt == 'machine' or tt == 'default' or tt == 'macdef':
+                    if toplevel == 'macdef':
+                        break;
+                    elif login and password:
+                        self.hosts[entryname] = (login, account, password)
+                        lexer.push_token(tt)
+                        break
+                    else:
+                        raise SyntaxError, "malformed %s entry %s terminated by %s" % (toplevel, entryname, repr(tt))
+                elif tt == 'login' or tt == 'user':
+                    login = lexer.get_token()
+                elif tt == 'account':
+                    account = lexer.get_token()
+                elif tt == 'password':
+                    password = lexer.get_token()
+                else:
+                    raise SyntaxError, "bad follower token %s, file %s, line %d"%(tt,file,lexer.lineno)
+
+    def authenticators(self, host):
+        "Return a (user, account, password) tuple for given host."
+        if self.hosts.has_key(host):
+            return self.hosts[host]
+        elif self.hosts.has_key('default'):
+            return self.hosts['default']
+        else:
+            return None
+
+    def __repr__(self):
+        "Dump the class data in the format of a .netrc file"
+        rep = ""
+        for host in self.hosts.keys():
+            attrs = self.hosts[host]
+            rep = rep + "machine "+ host + "\n\tlogin " + repr(attrs[0]) + "\n"
+            if attrs[1]:
+                rep = rep + "account " + repr(attrs[1])
+            rep = rep + "\tpassword " + repr(attrs[2]) + "\n"
+        for macro in self.macros.keys():
+            rep = rep + "macdef " + macro + "\n"
+            for line in self.macros[macro]:
+                rep = rep + line
+            rep = rep + "\n"
+        return rep
+
+if __name__ == '__main__': 
+    print netrc()
+