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- # Source Generated with Decompyle++
- # File: in.pyo (Python 2.5)
-
- import dns.exception as dns
- import dns.rdataclass as dns
- import dns.rdatatype as dns
- import dns.tokenizer as dns
- _hex_chunksize = 32
-
- def _hexify(data, chunksize = None):
- if chunksize is None:
- chunksize = _hex_chunksize
-
- hex = data.encode('hex_codec')
- l = len(hex)
- if l > chunksize:
- chunks = []
- i = 0
- while i < l:
- chunks.append(hex[i:i + chunksize])
- i += chunksize
- hex = ' '.join(chunks)
-
- return hex
-
- _base64_chunksize = 32
-
- def _base64ify(data, chunksize = None):
- if chunksize is None:
- chunksize = _base64_chunksize
-
- b64 = data.encode('base64_codec')
- b64 = b64.replace('\n', '')
- l = len(b64)
- if l > chunksize:
- chunks = []
- i = 0
- while i < l:
- chunks.append(b64[i:i + chunksize])
- i += chunksize
- b64 = ' '.join(chunks)
-
- return b64
-
- __escaped = {
- '"': True,
- '\\': True }
-
- def _escapify(qstring):
- text = ''
- for c in qstring:
- if c in __escaped:
- text += '\\' + c
- continue
- if ord(c) >= 32 and ord(c) < 127:
- text += c
- continue
- text += '\\%03d' % ord(c)
-
- return text
-
-
- def _truncate_bitmap(what):
- for i in xrange(len(what) - 1, -1, -1):
- if what[i] != '\x00':
- break
- continue
-
- return ''.join(what[0:i + 1])
-
-
- class Rdata(object):
- __slots__ = [
- 'rdclass',
- 'rdtype']
-
- def __init__(self, rdclass, rdtype):
- self.rdclass = rdclass
- self.rdtype = rdtype
-
-
- def covers(self):
- return dns.rdatatype.NONE
-
-
- def extended_rdatatype(self):
- return self.covers() << 16 | self.rdtype
-
-
- def to_text(self, origin = None, relativize = True, **kw):
- raise NotImplementedError
-
-
- def to_wire(self, file, compress = None, origin = None):
- raise NotImplementedError
-
-
- def validate(self):
- dns.rdata.from_text(self.rdclass, self.rdtype, self.to_text())
-
-
- def __repr__(self):
- covers = self.covers()
- if covers == dns.rdatatype.NONE:
- ctext = ''
- else:
- ctext = '(' + dns.rdatatype.to_text(covers) + ')'
- return '<DNS ' + dns.rdataclass.to_text(self.rdclass) + ' ' + dns.rdatatype.to_text(self.rdtype) + ctext + ' rdata: ' + str(self) + '>'
-
-
- def __str__(self):
- return self.to_text()
-
-
- def _cmp(self, other):
- raise NotImplementedError
-
-
- def __eq__(self, other):
- if not isinstance(other, Rdata):
- return False
-
- if self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return False
-
- return self._cmp(other) == 0
-
-
- def __ne__(self, other):
- if not isinstance(other, Rdata):
- return True
-
- if self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return True
-
- return self._cmp(other) != 0
-
-
- def __lt__(self, other):
- if not isinstance(other, Rdata) and self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return NotImplemented
-
- return self._cmp(other) < 0
-
-
- def __le__(self, other):
- if not isinstance(other, Rdata) and self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return NotImplemented
-
- return self._cmp(other) <= 0
-
-
- def __ge__(self, other):
- if not isinstance(other, Rdata) and self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return NotImplemented
-
- return self._cmp(other) >= 0
-
-
- def __gt__(self, other):
- if not isinstance(other, Rdata) and self.rdclass != other.rdclass or self.rdtype != other.rdtype:
- return NotImplemented
-
- return self._cmp(other) > 0
-
-
- def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
- raise NotImplementedError
-
- from_text = classmethod(from_text)
-
- def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
- raise NotImplementedError
-
- from_wire = classmethod(from_wire)
-
- def choose_relativity(self, origin = None, relativize = True):
- pass
-
-
-
- class GenericRdata(Rdata):
- __slots__ = [
- 'data']
-
- def __init__(self, rdclass, rdtype, data):
- super(GenericRdata, self).__init__(rdclass, rdtype)
- self.data = data
-
-
- def to_text(self, origin = None, relativize = True, **kw):
- return '\\# %d ' % len(self.data) + _hexify(self.data)
-
-
- def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
- if tok.get_string() != '\\#':
- raise dns.exception.SyntaxError, 'generic rdata does not start with \\#'
-
- length = tok.get_int()
- chunks = []
- while None:
- (ttype, value) = tok.get()
- if ttype == dns.tokenizer.EOL or ttype == dns.tokenizer.EOF:
- break
-
- continue
- hex = ''.join(chunks)
- data = hex.decode('hex_codec')
- if len(data) != length:
- raise dns.exception.SyntaxError, 'generic rdata hex data has wrong length'
-
- return cls(rdclass, rdtype, data)
-
- from_text = classmethod(from_text)
-
- def to_wire(self, file, compress = None, origin = None):
- file.write(self.data)
-
-
- def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
- return cls(rdclass, rdtype, wire[current:current + rdlen])
-
- from_wire = classmethod(from_wire)
-
- def _cmp(self, other):
- return cmp(self.data, other.data)
-
-
- _rdata_modules = { }
- _module_prefix = 'dns.rdtypes'
-
- def get_rdata_class(rdclass, rdtype):
-
- def import_module(name):
- mod = __import__(name)
- components = name.split('.')
- for comp in components[1:]:
- mod = getattr(mod, comp)
-
- return mod
-
- mod = _rdata_modules.get((rdclass, rdtype))
- rdclass_text = dns.rdataclass.to_text(rdclass)
- rdtype_text = dns.rdatatype.to_text(rdtype)
- rdtype_text = rdtype_text.replace('-', '_')
- if not mod:
- mod = _rdata_modules.get((dns.rdatatype.ANY, rdtype))
- if not mod:
-
- try:
- mod = import_module('.'.join([
- _module_prefix,
- rdclass_text,
- rdtype_text]))
- _rdata_modules[(rdclass, rdtype)] = mod
- except ImportError:
-
- try:
- mod = import_module('.'.join([
- _module_prefix,
- 'ANY',
- rdtype_text]))
- _rdata_modules[(dns.rdataclass.ANY, rdtype)] = mod
- except ImportError:
- mod = None
- except:
- None<EXCEPTION MATCH>ImportError
-
-
- None<EXCEPTION MATCH>ImportError
-
-
- None<EXCEPTION MATCH>ImportError
-
- if mod:
- cls = getattr(mod, rdtype_text)
- else:
- cls = GenericRdata
- return cls
-
-
- def from_text(rdclass, rdtype, tok, origin = None, relativize = True):
- if isinstance(tok, str):
- tok = dns.tokenizer.Tokenizer(tok)
-
- cls = get_rdata_class(rdclass, rdtype)
- if cls != GenericRdata:
- token = tok.get()
- tok.unget(token)
- if token[0] == dns.tokenizer.IDENTIFIER and token[1] == '\\#':
- rdata = GenericRdata.from_text(rdclass, rdtype, tok, origin, relativize)
- return from_wire(rdclass, rdtype, rdata.data, 0, len(rdata.data), origin)
-
-
- return cls.from_text(rdclass, rdtype, tok, origin, relativize)
-
-
- def from_wire(rdclass, rdtype, wire, current, rdlen, origin = None):
- cls = get_rdata_class(rdclass, rdtype)
- return cls.from_wire(rdclass, rdtype, wire, current, rdlen, origin)
-
-