Define & use NetrcParseError instead of improperly overloading SyntaxError.

Always has the lineno and filename of the source text.
This commit is contained in:
Fred Drake 2001-03-06 06:33:08 +00:00
parent a76ba6ed9b
commit ec6ec90dd2

View File

@ -4,7 +4,20 @@
import os, shlex
__all__ = ["netrc"]
__all__ = ["netrc", "NetrcParseError"]
class NetrcParseError(Exception):
"""Exception raised on syntax errors in the .netrc file."""
def __init__(self, msg, filename=None, lineno=None):
self.filename = file
self.lineno = lineno
self.msg = msg
Exception.__init__(self, msg)
def __str__(self):
return "%s (%s, line %s)" % (self.msg, self.filename, self.lineno)
class netrc:
def __init__(self, file=None):
@ -37,8 +50,8 @@ class netrc:
tt = line
self.macros[entryname].append(line)
else:
raise SyntaxError, "bad toplevel token %s, file %s, line %d" \
% (tt, file, lexer.lineno)
raise NetrcParseError(
"bad toplevel token %r" % tt, file, lexer.lineno)
# We're looking at start of an entry for a named machine or default.
if toplevel == 'machine':
@ -54,7 +67,10 @@ class netrc:
lexer.push_token(tt)
break
else:
raise SyntaxError, "malformed %s entry %s terminated by %s" % (toplevel, entryname, repr(tt))
raise NetrcParseError(
"malformed %s entry %s terminated by %s"
% (toplevel, entryname, repr(tt)),
file, lexer.lineno)
elif tt == 'login' or tt == 'user':
login = lexer.get_token()
elif tt == 'account':
@ -62,7 +78,8 @@ class netrc:
elif tt == 'password':
password = lexer.get_token()
else:
raise SyntaxError, "bad follower token %s, file %s, line %d"%(tt,file,lexer.lineno)
raise NetrcParseError("bad follower token %r" % tt,
file, lexer.lineno)
def authenticators(self, host):
"""Return a (user, account, password) tuple for given host."""