From: Bob Halley Date: Sun, 1 Jan 2017 17:29:52 +0000 (-0800) Subject: doc overhaul X-Git-Tag: v1.16.0~101 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=873d184b4a420b2fd4b503231648d112d975fdd8;p=thirdparty%2Fdnspython.git doc overhaul --- diff --git a/dns/rdataclass.py b/dns/rdataclass.py index 17a4810d..916dc615 100644 --- a/dns/rdataclass.py +++ b/dns/rdataclass.py @@ -1,4 +1,4 @@ -# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. +# Copyright (C) 2001-2017 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, @@ -13,15 +13,7 @@ # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -"""DNS Rdata Classes. - -@var _by_text: The rdata class textual name to value mapping -@type _by_text: dict -@var _by_value: The rdata class value to textual name mapping -@type _by_value: dict -@var _metaclasses: If an rdataclass is a metaclass, there will be a mapping -whose key is the rdatatype value and whose value is True in this dictionary. -@type _metaclasses: dict""" +"""DNS Rdata Classes.""" import re @@ -67,17 +59,22 @@ _unknown_class_pattern = re.compile('CLASS([0-9]+)$', re.I) class UnknownRdataclass(dns.exception.DNSException): - """A DNS class is unknown.""" def from_text(text): """Convert text into a DNS rdata class value. - @param text: the text - @type text: string - @rtype: int - @raises dns.rdataclass.UnknownRdataclass: the class is unknown - @raises ValueError: the rdata class value is not >= 0 and <= 65535 + + The input text can be a defined DNS RR class mnemonic or + instance of the DNS generic class syntax. + + For example, "IN" and "CLASS1" will both result in a value of 1. + + Raises ``dns.rdatatype.UnknownRdataclass`` if the class is unknown. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns an ``int``. """ value = _by_text.get(text.upper()) @@ -92,11 +89,14 @@ def from_text(text): def to_text(value): - """Convert a DNS rdata class to text. - @param value: the rdata class value - @type value: int - @rtype: string - @raises ValueError: the rdata class value is not >= 0 and <= 65535 + """Convert a DNS rdata type value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic class syntax will be used. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``str``. """ if value < 0 or value > 65535: @@ -108,10 +108,12 @@ def to_text(value): def is_metaclass(rdclass): - """True if the class is a metaclass. - @param rdclass: the rdata class - @type rdclass: int - @rtype: bool""" + """True if the specified class is a metaclass. + + The currently defined metaclasses are ANY and NONE. + + *rdclass* is an ``int``. + """ if rdclass in _metaclasses: return True