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__module__t __doc__( ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR ) s t NoSOAc B s e Z d Z RS( s) The DNS zone has no SOA RR at its origin.( R R R ( ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR . s t NoNSc B s e Z d Z RS( s+ The DNS zone has no NS RRset at its origin.( R R R ( ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR
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UnknownOriginc B s e Z d Z RS( s! The DNS zone's origin is unknown.( R R R ( ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR 8 s t Zonec B s� e Z d Z e j j Z d d d d g Z e j j e
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d" d � Z, d! � Z- RS(# sZ A DNS zone.
A Zone is a mapping from names to nodes. The zone object may be
treated like a Python dictionary, e.g. zone[name] will retrieve
the node associated with that name. The I{name} may be a
dns.name.Name object, or it may be a string. In the either case,
if the name is relative it is treated as relative to the origin of
the zone.
@ivar rdclass: The zone's rdata class; the default is class IN.
@type rdclass: int
@ivar origin: The origin of the zone.
@type origin: dns.name.Name object
@ivar nodes: A dictionary mapping the names of nodes in the zone to the
nodes themselves.
@type nodes: dict
@ivar relativize: should names in the zone be relativized?
@type relativize: bool
@cvar node_factory: the factory used to create a new node
@type node_factory: class or callable
t rdclasst origint nodest
relativizec C s� | d k rr t | t � r0 t j j | � } n$ t | t j j � sT t d � � n | j � sr t d � � qr n | | _ | | _
i | _ | | _ d S( s� Initialize a zone object.
@param origin: The origin of the zone.
@type origin: dns.name.Name object
@param rdclass: The zone's rdata class; the default is class IN.
@type rdclass: ints2 origin parameter must be convertible to a DNS names) origin parameter must be an absolute nameN(
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isinstanceR t dnst namet from_textt Namet
ValueErrort is_absoluteR R
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R ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __init__Y s c C sQ t | t � s t S| j | j k sI | j | j k sI | j | j k rM t St S( si Two zones are equal if they have the same origin, class, and
nodes.
@rtype: bool
( R R t FalseR
R R t True( R t other( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __eq__n s c C s | j | � S( s6 Are two zones not equal?
@rtype: bool
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� } q� n | S( Ns0 name parameter must be convertible to a DNS names5 name parameter must be a subdomain of the zone origin( R R R R R R R t KeyErrorR t is_subdomainR R ( R R ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt _validate_name� s c C s | j | � } | j | S( N( R" R ( R t key( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __getitem__� s c C s | j | � } | | j | <d S( N( R" R ( R R# t value( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __setitem__� s c C s | j | � } | j | =d S( N( R" R ( R R# ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __delitem__� s c C s
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| | j k S( N( R ( R R ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt __contains__� s c C s\ | j | � } | j j | � } | d k rX | s< t � n | j � } | | j | <n | S( sr Find a node in the zone, possibly creating it.
@param name: the name of the node to find
@type name: dns.name.Name object or string
@param create: should the node be created if it doesn't exist?
@type create: bool
@raises KeyError: the name is not known and create was not specified.
@rtype: dns.node.Node object
N( R" R R. R R t node_factory( R R t createt node( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt find_node� s c C s4 y | j | | � } Wn t k
r/ d } n X| S( s� Get a node in the zone, possibly creating it.
This method is like L{find_node}, except it returns None instead
of raising an exception if the node does not exist and creation
has not been requested.
@param name: the name of the node to find
@type name: dns.name.Name object or string
@param create: should the node be created if it doesn't exist?
@type create: bool
@rtype: dns.node.Node object or None
N( R3 R R ( R R R1 R2 ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt get_node� s
c C s/ | j | � } | | j k r+ | j | =n d S( sh Delete the specified node if it exists.
It is not an error if the node does not exist.
N( R" R ( R R ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt delete_node� s c C s� | j | � } t | t � r3 t j j | � } n t | t � rW t j j | � } n | j | | � } | j | j | | | � S( s� Look for rdata with the specified name and type in the zone,
and return an rdataset encapsulating it.
The I{name}, I{rdtype}, and I{covers} parameters may be
strings, in which case they will be converted to their proper
type.
The rdataset returned is not a copy; changes to it will change
the zone.
KeyError is raised if the name or type are not found.
Use L{get_rdataset} if you want to have None returned instead.
@param name: the owner name to look for
@type name: DNS.name.Name object or string
@param rdtype: the rdata type desired
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
@param create: should the node and rdataset be created if they do not
exist?
@type create: bool
@raises KeyError: the node or rdata could not be found
@rtype: dns.rdataset.Rdataset object
( R" R R R t rdatatypeR R3 t
find_rdatasetR
( R R t rdtypet coversR1 R2 ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR7 � s c C s: y | j | | | | � } Wn t k
r5 d } n X| S( s� Look for rdata with the specified name and type in the zone,
and return an rdataset encapsulating it.
The I{name}, I{rdtype}, and I{covers} parameters may be
strings, in which case they will be converted to their proper
type.
The rdataset returned is not a copy; changes to it will change
the zone.
None is returned if the name or type are not found.
Use L{find_rdataset} if you want to have KeyError raised instead.
@param name: the owner name to look for
@type name: DNS.name.Name object or string
@param rdtype: the rdata type desired
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
@param create: should the node and rdataset be created if they do not
exist?
@type create: bool
@rtype: dns.rdataset.Rdataset object or None
N( R7 R R ( R R R8 R9 R1 t rdataset( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt get_rdataset s
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| � d k r� | j | � q� n d S( s� Delete the rdataset matching I{rdtype} and I{covers}, if it
exists at the node specified by I{name}.
The I{name}, I{rdtype}, and I{covers} parameters may be
strings, in which case they will be converted to their proper
type.
It is not an error if the node does not exist, or if there is no
matching rdataset at the node.
If the node has no rdatasets after the deletion, it will itself
be deleted.
@param name: the owner name to look for
@type name: DNS.name.Name object or string
@param rdtype: the rdata type desired
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
i N( R" R R R R6 R R4 R t delete_rdatasetR
t lenR5 ( R R R8 R9 R2 ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR< 4 s c C sD | j | j k r! t d � � n | j | t � } | j | � d S( s: Replace an rdataset at name.
It is not an error if there is no rdataset matching I{replacement}.
Ownership of the I{replacement} object is transferred to the zone;
in other words, this method does not store a copy of I{replacement}
at the node, it stores I{replacement} itself.
If the I{name} node does not exist, it is created.
@param name: the owner name
@type name: DNS.name.Name object or string
@param replacement: the replacement rdataset
@type replacement: dns.rdataset.Rdataset
s# replacement.rdclass != zone.rdclassN( R
R R3 R t replace_rdataset( R R t replacementR2 ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyR> U s c C s� | j | � } t | t � r3 t j j | � } n t | t � rW t j j | � } n | j | j | j | | � } t j j
| | j | | � } | j | � | S( s� Look for rdata with the specified name and type in the zone,
and return an RRset encapsulating it.
The I{name}, I{rdtype}, and I{covers} parameters may be
strings, in which case they will be converted to their proper
type.
This method is less efficient than the similar
L{find_rdataset} because it creates an RRset instead of
returning the matching rdataset. It may be more convenient
for some uses since it returns an object which binds the owner
name to the rdata.
This method may not be used to create new nodes or rdatasets;
use L{find_rdataset} instead.
KeyError is raised if the name or type are not found.
Use L{get_rrset} if you want to have None returned instead.
@param name: the owner name to look for
@type name: DNS.name.Name object or string
@param rdtype: the rdata type desired
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
@raises KeyError: the node or rdata could not be found
@rtype: dns.rrset.RRset object
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r2 d } n X| S( sJ Look for rdata with the specified name and type in the zone,
and return an RRset encapsulating it.
The I{name}, I{rdtype}, and I{covers} parameters may be
strings, in which case they will be converted to their proper
type.
This method is less efficient than the similar L{get_rdataset}
because it creates an RRset instead of returning the matching
rdataset. It may be more convenient for some uses since it
returns an object which binds the owner name to the rdata.
This method may not be used to create new nodes or rdatasets;
use L{find_rdataset} instead.
None is returned if the name or type are not found.
Use L{find_rrset} if you want to have KeyError raised instead.
@param name: the owner name to look for
@type name: DNS.name.Name object or string
@param rdtype: the rdata type desired
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
@rtype: dns.rrset.RRset object
N( RC R R ( R R R8 R9 R@ ( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt get_rrset� s
c c s� t | t � r$ t j j | � } n t | t � rH t j j | � } n xi | j � D][ \ } } xL | D]D } | t j j k s� | j | k rh | j | k rh | | f Vqh qh WqU Wd S( s� Return a generator which yields (name, rdataset) tuples for
all rdatasets in the zone which have the specified I{rdtype}
and I{covers}. If I{rdtype} is dns.rdatatype.ANY, the default,
then all rdatasets will be matched.
@param rdtype: int or string
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
N( R R R R6 R t iteritemst ANYR8 R9 ( R R8 R9 R R2 t rds( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyt iterate_rdatasets� s
c c s� t | t � r$ t j j | � } n t | t � rH t j j | � } n x� | j � D]r \ } } xc | D][ } | t j j k s� | j | k rh | j | k rh x" | D] } | | j | f Vq� Wqh qh WqU Wd S( s� Return a generator which yields (name, ttl, rdata) tuples for
all rdatas in the zone which have the specified I{rdtype}
and I{covers}. If I{rdtype} is dns.rdatatype.ANY, the default,
then all rdatas will be matched.
@param rdtype: int or string
@type rdtype: int or string
@param covers: the covered type (defaults to None)
@type covers: int or string
N(
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� | j | � q� Xq� WWd | r�| j � n Xd S( s Write a zone to a file.
@param f: file or string. If I{f} is a string, it is treated
as the name of a file to open.
@param sorted: if True, the file will be written with the
names sorted in DNSSEC order from least to greatest. Otherwise
the names will be written in whatever order they happen to have
in the zone's dictionary.
@param relativize: if True, domain names in the output will be
relativized to the zone's origin (if possible).
@type relativize: bool
@param nl: The end of line string. If not specified, the
output will use the platform's native end-of-line marker (i.e.
LF on POSIX, CRLF on Windows, CR on Macintosh).
@type nl: string or None
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R R N( R R t openR R t getattrR t ost linesept encodet decodet listR) t sortR* t to_textR R t writet TypeErrort close( R t ft sortedR t nlt
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c C s9 t � } | j | | | | � | j � } | j � | S( s� Return a zone's text as though it were written to a file.
@param sorted: if True, the file will be written with the
names sorted in DNSSEC order from least to greatest. Otherwise
the names will be written in whatever order they happen to have
in the zone's dictionary.
@param relativize: if True, domain names in the output will be
relativized to the zone's origin (if possible).
@type relativize: bool
@param nl: The end of line string. If not specified, the
output will use the platform's native end-of-line marker (i.e.
LF on POSIX, CRLF on Windows, CR on Macintosh).
@type nl: string or None
( R Rd t getvalueRY ( R R[ R R\ t temp_buffert return_value( ( s= /opt/plesk/python/2.7/lib/python2.7/site-packages/dns/zone.pyRV $ s
c C ss | j r t j j } n | j } | j | t j j � d k rH t � n | j | t j j
� d k ro t � n d S( s� Do some simple checking of the zone's origin.
@raises dns.zone.NoSOA: there is no SOA RR
@raises dns.zone.NoNS: there is no NS RRset
@raises KeyError: there is no origin node
N( R R R t emptyR R; R6 t SOAR R t NSR
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_MasterReaderc B sM e Z d Z e e e d � Z d � Z d � Z d � Z d � Z
d � Z RS( s( Read a DNS master file
@ivar tok: The tokenizer
@type tok: dns.tokenizer.Tokenizer object
@ivar last_ttl: The last seen explicit TTL for an RR
@type last_ttl: int
@ivar last_ttl_known: Has last TTL been detected
@type last_ttl_known: bool
@ivar default_ttl: The default TTL from a $TTL directive or SOA RR
@type default_ttl: int
@ivar default_ttl_known: Has default TTL been detected
@type default_ttl_known: bool
@ivar last_name: The last name read
@type last_name: dns.name.Name object
@ivar current_origin: The current origin
@type current_origin: dns.name.Name object
@ivar relativize: should names in the zone be relativized?
@type relativize: bool
@ivar zone: the zone
@type zone: dns.zone.Zone object
@ivar saved_state: saved reader state (used when processing $INCLUDE)
@type saved_state: list of (tokenizer, current_origin, last_name, file,
last_ttl, last_ttl_known, default_ttl, default_ttl_known) tuples.
@ivar current_file: the file object of the $INCLUDed file being parsed
(None if no $INCLUDE is active).
@ivar allow_include: is $INCLUDE allowed?
@type allow_include: bool
@ivar check_origin: should sanity checks of the origin node be done?
The default is True.
@type check_origin: bool
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t | � t | � f � � n X| j* | j j! | j# � | j+ � } | j, | | | t � } | j- | | � q Wd S( sR Process one line containing the GENERATE statement from a DNS
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} n t j j d | | | f � � n X| j) r�| j j) � n d S( s� Read a DNS master file and build a zone object.
@raises dns.zone.NoSOA: No SOA RR was found at the zone origin
@raises dns.zone.NoNS: No NS RRset was found at the zone origin
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C s_ | d k r d } n t j j | | � } t | | | | | d | d | �} | j � | j S( sr Build a zone object from a master file format string.
@param text: the master file format input
@type text: string.
@param origin: The origin of the zone; if not specified, the first
$ORIGIN statement in the master file will determine the origin of the
zone.
@type origin: dns.name.Name object or string
@param rdclass: The zone's rdata class; the default is class IN.
@type rdclass: int
@param relativize: should names be relativized? The default is True
@type relativize: bool
@param zone_factory: The zone factory to use
@type zone_factory: function returning a Zone
@param filename: The filename to emit when describing where an error
occurred; the default is '<string>'.
@type filename: string
@param allow_include: is $INCLUDE allowed?
@type allow_include: bool
@param check_origin: should sanity checks of the origin node be done?
The default is True.
@type check_origin: bool
@raises dns.zone.NoSOA: No SOA RR was found at the zone origin
@raises dns.zone.NoNS: No NS RRset was found at the zone origin
@rtype: dns.zone.Zone object
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@param f: file or string. If I{f} is a string, it is treated
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$ORIGIN statement in the master file will determine the origin of the
zone.
@type origin: dns.name.Name object or string
@param rdclass: The zone's rdata class; the default is class IN.
@type rdclass: int
@param relativize: should names be relativized? The default is True
@type relativize: bool
@param zone_factory: The zone factory to use
@type zone_factory: function returning a Zone
@param filename: The filename to emit when describing where an error
occurred; the default is '<file>', or the value of I{f} if I{f} is a
string.
@type filename: string
@param allow_include: is $INCLUDE allowed?
@type allow_include: bool
@param check_origin: should sanity checks of the origin node be done?
The default is True.
@type check_origin: bool
@raises dns.zone.NoSOA: No SOA RR was found at the zone origin
@raises dns.zone.NoNS: No NS RRset was found at the zone origin
@rtype: dns.zone.Zone object
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W| r0| j � n | S( s� Convert the output of a zone transfer generator into a zone object.
@param xfr: The xfr generator
@type xfr: generator of dns.message.Message objects
@param relativize: should names be relativized? The default is True.
It is essential that the relativize setting matches the one specified
to dns.query.xfr().
@type relativize: bool
@param check_origin: should sanity checks of the origin node be done?
The default is True.
@type check_origin: bool
@raises dns.zone.NoSOA: No SOA RR was found at the zone origin
@raises dns.zone.NoNS: No NS RRset was found at the zone origin
@rtype: dns.zone.Zone object
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