Package glue :: Module ldbd :: Class LIGOMetadata

Class LIGOMetadata

LIGO Metadata object class. Contains methods for parsing a LIGO lightweight XML file and inserting it into a database, executing and SQL query to retrive data from the database and writing it to a LIGO lightweight XML file

Instance Methods

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__del__(self)

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__init__(self, xmlparser=None, lwtparser=None, ldb=None)
Connects to the database and creates a cursor.

source code

add_lfn(self, lfn)
Add an LFN table to a parsed LIGO_LW XML document.

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insert(self)
Insert the object into the database

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parse(self, xml)
Parses an XML document into a form read for insertion into the database

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reset(self)
Clear any existing table

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select(self, sql)
Execute an SQL select statement and stuff the results into a dictionary.

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set_dn(self, dn)
Use the domain column in the process table to store the DN

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xml(self, ilwdchar_to_hex=True)
Convert a table dictionary to LIGO lightweight XML

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Method Details

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init(self, xmlparser=None, lwtparser=None, ldb=None)
(Constructor)

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Connects to the database and creates a cursor. Initializes the unique id table for this LIGO lw document.

ldb = LIGOMetadataDatabase object xmlparser = pyRXP XML to tuple parser object lwtparser = LIGOLwParser object (tuple parser)

add_lfn(self, lfn)

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Add an LFN table to a parsed LIGO_LW XML document.

lfn = lfn to be added

parse(self, xml)

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Parses an XML document into a form read for insertion into the database

xml = the xml document to be parsed

select(self, sql)

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Execute an SQL select statement and stuff the results into a dictionary.

sql = the (case sensitve) SQL statment to execute

set_dn(self, dn)

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Use the domain column in the process table to store the DN

dn = dn to be added

Class LIGOMetadata

__init__(self, xmlparser=None, lwtparser=None, ldb=None) (Constructor)

add_lfn(self, lfn)

parse(self, xml)

select(self, sql)

set_dn(self, dn)

init(self, xmlparser=None, lwtparser=None, ldb=None)
(Constructor)