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<!doctype html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module cwm_os</title>
</head><body bgcolor="#f0f0f8">
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong>cwm_os</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/Users/yosi/CVSROOT/WWW/2000/10/swap/cwm_os.py">/Users/yosi/CVSROOT/WWW/2000/10/swap/cwm_os.py</a></font></td></tr></table>
<p><tt>$Id$<br>
<br>
Operating systems built-ins for cwm<br>
<a href="http://www.w3.org/2000/10/swap/string.py">http://www.w3.org/2000/10/swap/string.py</a><br>
<br>
See cwm.py and the os module in python</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#aa55cc">
<td colspan=3 valign=bottom> <br>
<font color="#fffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="os.html">os</a><br>
</td><td width="25%" valign=top><a href="uripath.html">uripath</a><br>
</td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="term.html#Function">term.Function</a>(<a href="term.html#BuiltIn">term.BuiltIn</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="cwm_os.html#BI_argv">BI_argv</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_baseAbsolute">BI_baseAbsolute</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_baseRelative">BI_baseRelative</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>, <a href="term.html#ReverseFunction">term.ReverseFunction</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_environ">BI_environ</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="term.html#LightBuiltIn">term.LightBuiltIn</a>(<a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="cwm_os.html#BI_argv">BI_argv</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_baseAbsolute">BI_baseAbsolute</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_baseRelative">BI_baseRelative</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>, <a href="term.html#ReverseFunction">term.ReverseFunction</a>)
</font></dt><dt><font face="helvetica, arial"><a href="cwm_os.html#BI_environ">BI_environ</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="term.html#ReverseFunction">term.ReverseFunction</a>(<a href="term.html#BuiltIn">term.BuiltIn</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="cwm_os.html#BI_baseRelative">BI_baseRelative</a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>, <a href="term.html#ReverseFunction">term.ReverseFunction</a>)
</font></dt></dl>
</dd>
</dl>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="BI_argv">class <strong>BI_argv</strong></a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)</font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt># Command line argument: read-only<br>
# The command lines are passed though cwm using "--with" and into the RDFStore when init'ed.<br>
# Not fatal if not defined<br> </tt></td></tr>
<tr><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="cwm_os.html#BI_argv">BI_argv</a></dd>
<dd><a href="term.html#LightBuiltIn">term.LightBuiltIn</a></dd>
<dd><a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a></dd>
<dd><a href="term.html#Function">term.Function</a></dd>
<dd><a href="term.html#BuiltIn">term.BuiltIn</a></dd>
<dd><a href="term.html#Fragment">term.Fragment</a></dd>
<dd><a href="term.html#LabelledNode">term.LabelledNode</a></dd>
<dd><a href="term.html#Node">term.Node</a></dd>
<dd><a href="term.html#Term">term.Term</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="BI_argv-evaluateObject"><strong>evaluateObject</strong></a>(self, subj_py)</dt></dl>
<hr>
Methods inherited from <a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a>:<br>
<dl><dt><a name="BI_argv-__init__"><strong>__init__</strong></a>(self, resource, fragid)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Function">term.Function</a>:<br>
<dl><dt><a name="BI_argv-eval"><strong>eval</strong></a>(self, subj, obj, queue, bindings, proof, query)</dt></dl>
<dl><dt><a name="BI_argv-evalObj"><strong>evalObj</strong></a>(self, subj, queue, bindings, proof, query)</dt><dd><tt>This function which has access to the store, unless overridden,<br>
calls a simpler one which uses python conventions.<br>
<br>
To reduce confusion, the inital ones called with the internals available<br>
use abreviations "eval", "subj" etc while the python-style ones use "evaluate", "subject", etc.</tt></dd></dl>
<hr>
Static methods inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><a name="BI_argv-__new__"><strong>__new__</strong></a>(cls, *args, **keywords)</dt></dl>
<hr>
Data and other attributes inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><strong>all</strong> = []</dl>
<hr>
Methods inherited from <a href="term.html#Fragment">term.Fragment</a>:<br>
<dl><dt><a name="BI_argv-compareTerm"><strong>compareTerm</strong></a>(self, other)</dt></dl>
<dl><dt><a name="BI_argv-dereference"><strong>dereference</strong></a>(self, mode<font color="#909090">=''</font>, workingContext<font color="#909090">=None</font>)</dt><dd><tt>dereference an identifyer, finding the semantics of its schema if any<br>
<br>
Returns None if it cannot be retreived.</tt></dd></dl>
<dl><dt><a name="BI_argv-generated"><strong>generated</strong></a>(self)</dt><dd><tt>A generated identifier?<br>
This arises when a document is parsed and a arbitrary<br>
name is made up to represent a node with no known URI.<br>
It is useful to know that its ID has no use outside that<br>
context.</tt></dd></dl>
<dl><dt><a name="BI_argv-representation"><strong>representation</strong></a>(self, base<font color="#909090">=None</font>)</dt><dd><tt>Optimize output if prefixes available</tt></dd></dl>
<dl><dt><a name="BI_argv-uriref"><strong>uriref</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_argv-uriref2"><strong>uriref2</strong></a>(self, base)</dt></dl>
<hr>
Methods inherited from <a href="term.html#LabelledNode">term.LabelledNode</a>:<br>
<dl><dt><a name="BI_argv-classOrder"><strong>classOrder</strong></a>(self)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><a name="BI_argv-__repr__"><strong>__repr__</strong></a>(self)</dt><dd><tt>This method only used for debugging output - it can be ambiguous,<br>
as it is is deliberately short to make debug printout readable.<br>
<br>
output as XML qnames [<a href="http://www.w3.org/TR/REC-xml-names/#NT-QName">http://www.w3.org/TR/REC-xml-names/#NT-QName</a>].<br>
This could be beefed up to guarantee unambiguity.</tt></dd></dl>
<dl><dt><a name="BI_argv-asPair"><strong>asPair</strong></a>(self)</dt><dd><tt>Representation in an earlier format, being phased out 2002/08<br>
<br>
The first part of the pair is a constant number represnting the type<br>
see RDFSink.py. the second is the value -- uri for symbols,<br>
string for literals</tt></dd></dl>
<dl><dt><a name="BI_argv-compareAnyTerm"><strong>compareAnyTerm</strong></a>(self, other)</dt><dd><tt>Compare two langauge items<br>
This is a cannoncial ordering in that is designed to allow<br>
the same graph always to be printed in the same order.<br>
This makes the regression tests possible.<br>
The literals are deemed smaller than symbols, which are smaller<br>
than formulae. This puts the rules at the botom of a file where<br>
they tend to take a lot of space anyway.<br>
Formulae have to be compared as a function of their sorted contents.<br>
<br>
@@ Anonymous nodes have to, within a given Formula, be compared as<br>
a function of the sorted information about them in that context.<br>
This is not done yet</tt></dd></dl>
<dl><dt><a name="BI_argv-debugString"><strong>debugString</strong></a>(self, already<font color="#909090">=[]</font>)</dt></dl>
<dl><dt><a name="BI_argv-doesNodeAppear"><strong>doesNodeAppear</strong></a>(self, symbol)</dt><dd><tt>Does that node appear within this one<br>
<br>
This non-overloaded function will simply return if I'm equal to him</tt></dd></dl>
<dl><dt><a name="BI_argv-freeVariables"><strong>freeVariables</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_argv-occurringIn"><strong>occurringIn</strong></a>(self, vars)</dt></dl>
<dl><dt><a name="BI_argv-substituteEquals"><strong>substituteEquals</strong></a>(self, bindings, newRedirections)</dt><dd><tt>Return this or a version of me with substitution made</tt></dd></dl>
<dl><dt><a name="BI_argv-substitution"><strong>substitution</strong></a>(self, bindings, why<font color="#909090">=None</font>, cannon<font color="#909090">=False</font>)</dt><dd><tt>Return this or a version of me with subsitution made</tt></dd></dl>
<dl><dt><a name="BI_argv-unify"><strong>unify</strong></a>(self, other, env1<font color="#909090">=Env({})</font>, env2<font color="#909090">=Env({})</font>, vars<font color="#909090">=set([])</font>, universals<font color="#909090">=set([])</font>, existentials<font color="#909090">=set([])</font>, n1Source<font color="#909090">=32</font>, n2Source<font color="#909090">=32</font>)</dt></dl>
<dl><dt><a name="BI_argv-unifySecondary"><strong>unifySecondary</strong></a>(self, other, env1, env2, vars, universals, existentials, n1Source<font color="#909090">=55</font>, n2Source<font color="#909090">=55</font>)</dt></dl>
<dl><dt><a name="BI_argv-value"><strong>value</strong></a>(self)</dt><dd><tt>As a python value - by default, none exists, use self</tt></dd></dl>
<hr>
Data and other attributes inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><strong>__dict__</strong> = <dictproxy object><dd><tt>dictionary for instance variables (if defined)</tt></dl>
<dl><dt><strong>__weakref__</strong> = <attribute '__weakref__' of 'Term' objects><dd><tt>list of weak references to the object (if defined)</tt></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="BI_baseAbsolute">class <strong>BI_baseAbsolute</strong></a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)</font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>The baseAbsolute function generates an absolute URIref from a string,<br>
interpreting the string as a a relative URIref relative to the current<br>
process base URI (typically, current working directory).<br>
It is not a reverse function, because sereral different relativisations<br>
exist for the same absolute URI. See uripath.py.<br> </tt></td></tr>
<tr><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="cwm_os.html#BI_baseAbsolute">BI_baseAbsolute</a></dd>
<dd><a href="term.html#LightBuiltIn">term.LightBuiltIn</a></dd>
<dd><a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a></dd>
<dd><a href="term.html#Function">term.Function</a></dd>
<dd><a href="term.html#BuiltIn">term.BuiltIn</a></dd>
<dd><a href="term.html#Fragment">term.Fragment</a></dd>
<dd><a href="term.html#LabelledNode">term.LabelledNode</a></dd>
<dd><a href="term.html#Node">term.Node</a></dd>
<dd><a href="term.html#Term">term.Term</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="BI_baseAbsolute-evaluateObject"><strong>evaluateObject</strong></a>(self, subj_py)</dt></dl>
<hr>
Methods inherited from <a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a>:<br>
<dl><dt><a name="BI_baseAbsolute-__init__"><strong>__init__</strong></a>(self, resource, fragid)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Function">term.Function</a>:<br>
<dl><dt><a name="BI_baseAbsolute-eval"><strong>eval</strong></a>(self, subj, obj, queue, bindings, proof, query)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-evalObj"><strong>evalObj</strong></a>(self, subj, queue, bindings, proof, query)</dt><dd><tt>This function which has access to the store, unless overridden,<br>
calls a simpler one which uses python conventions.<br>
<br>
To reduce confusion, the inital ones called with the internals available<br>
use abreviations "eval", "subj" etc while the python-style ones use "evaluate", "subject", etc.</tt></dd></dl>
<hr>
Static methods inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><a name="BI_baseAbsolute-__new__"><strong>__new__</strong></a>(cls, *args, **keywords)</dt></dl>
<hr>
Data and other attributes inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><strong>all</strong> = []</dl>
<hr>
Methods inherited from <a href="term.html#Fragment">term.Fragment</a>:<br>
<dl><dt><a name="BI_baseAbsolute-compareTerm"><strong>compareTerm</strong></a>(self, other)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-dereference"><strong>dereference</strong></a>(self, mode<font color="#909090">=''</font>, workingContext<font color="#909090">=None</font>)</dt><dd><tt>dereference an identifyer, finding the semantics of its schema if any<br>
<br>
Returns None if it cannot be retreived.</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-generated"><strong>generated</strong></a>(self)</dt><dd><tt>A generated identifier?<br>
This arises when a document is parsed and a arbitrary<br>
name is made up to represent a node with no known URI.<br>
It is useful to know that its ID has no use outside that<br>
context.</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-representation"><strong>representation</strong></a>(self, base<font color="#909090">=None</font>)</dt><dd><tt>Optimize output if prefixes available</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-uriref"><strong>uriref</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-uriref2"><strong>uriref2</strong></a>(self, base)</dt></dl>
<hr>
Methods inherited from <a href="term.html#LabelledNode">term.LabelledNode</a>:<br>
<dl><dt><a name="BI_baseAbsolute-classOrder"><strong>classOrder</strong></a>(self)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><a name="BI_baseAbsolute-__repr__"><strong>__repr__</strong></a>(self)</dt><dd><tt>This method only used for debugging output - it can be ambiguous,<br>
as it is is deliberately short to make debug printout readable.<br>
<br>
output as XML qnames [<a href="http://www.w3.org/TR/REC-xml-names/#NT-QName">http://www.w3.org/TR/REC-xml-names/#NT-QName</a>].<br>
This could be beefed up to guarantee unambiguity.</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-asPair"><strong>asPair</strong></a>(self)</dt><dd><tt>Representation in an earlier format, being phased out 2002/08<br>
<br>
The first part of the pair is a constant number represnting the type<br>
see RDFSink.py. the second is the value -- uri for symbols,<br>
string for literals</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-compareAnyTerm"><strong>compareAnyTerm</strong></a>(self, other)</dt><dd><tt>Compare two langauge items<br>
This is a cannoncial ordering in that is designed to allow<br>
the same graph always to be printed in the same order.<br>
This makes the regression tests possible.<br>
The literals are deemed smaller than symbols, which are smaller<br>
than formulae. This puts the rules at the botom of a file where<br>
they tend to take a lot of space anyway.<br>
Formulae have to be compared as a function of their sorted contents.<br>
<br>
@@ Anonymous nodes have to, within a given Formula, be compared as<br>
a function of the sorted information about them in that context.<br>
This is not done yet</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-debugString"><strong>debugString</strong></a>(self, already<font color="#909090">=[]</font>)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-doesNodeAppear"><strong>doesNodeAppear</strong></a>(self, symbol)</dt><dd><tt>Does that node appear within this one<br>
<br>
This non-overloaded function will simply return if I'm equal to him</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-freeVariables"><strong>freeVariables</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-occurringIn"><strong>occurringIn</strong></a>(self, vars)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-substituteEquals"><strong>substituteEquals</strong></a>(self, bindings, newRedirections)</dt><dd><tt>Return this or a version of me with substitution made</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-substitution"><strong>substitution</strong></a>(self, bindings, why<font color="#909090">=None</font>, cannon<font color="#909090">=False</font>)</dt><dd><tt>Return this or a version of me with subsitution made</tt></dd></dl>
<dl><dt><a name="BI_baseAbsolute-unify"><strong>unify</strong></a>(self, other, env1<font color="#909090">=Env({})</font>, env2<font color="#909090">=Env({})</font>, vars<font color="#909090">=set([])</font>, universals<font color="#909090">=set([])</font>, existentials<font color="#909090">=set([])</font>, n1Source<font color="#909090">=32</font>, n2Source<font color="#909090">=32</font>)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-unifySecondary"><strong>unifySecondary</strong></a>(self, other, env1, env2, vars, universals, existentials, n1Source<font color="#909090">=55</font>, n2Source<font color="#909090">=55</font>)</dt></dl>
<dl><dt><a name="BI_baseAbsolute-value"><strong>value</strong></a>(self)</dt><dd><tt>As a python value - by default, none exists, use self</tt></dd></dl>
<hr>
Data and other attributes inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><strong>__dict__</strong> = <dictproxy object><dd><tt>dictionary for instance variables (if defined)</tt></dl>
<dl><dt><strong>__weakref__</strong> = <attribute '__weakref__' of 'Term' objects><dd><tt>list of weak references to the object (if defined)</tt></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="BI_baseRelative">class <strong>BI_baseRelative</strong></a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>, <a href="term.html#ReverseFunction">term.ReverseFunction</a>)</font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>The baseRelative of a URI is its expression relation to the process base URI.<br>
It is 1:1, being an arbitrary cannonical form.<br>
It is a reverse function too, as you can always work the other way.<br> </tt></td></tr>
<tr><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="cwm_os.html#BI_baseRelative">BI_baseRelative</a></dd>
<dd><a href="term.html#LightBuiltIn">term.LightBuiltIn</a></dd>
<dd><a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a></dd>
<dd><a href="term.html#Function">term.Function</a></dd>
<dd><a href="term.html#ReverseFunction">term.ReverseFunction</a></dd>
<dd><a href="term.html#BuiltIn">term.BuiltIn</a></dd>
<dd><a href="term.html#Fragment">term.Fragment</a></dd>
<dd><a href="term.html#LabelledNode">term.LabelledNode</a></dd>
<dd><a href="term.html#Node">term.Node</a></dd>
<dd><a href="term.html#Term">term.Term</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="BI_baseRelative-evaluateObject"><strong>evaluateObject</strong></a>(self, subj_py)</dt></dl>
<dl><dt><a name="BI_baseRelative-evaluateSubject"><strong>evaluateSubject</strong></a>(self, subj_py)</dt></dl>
<hr>
Methods inherited from <a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a>:<br>
<dl><dt><a name="BI_baseRelative-__init__"><strong>__init__</strong></a>(self, resource, fragid)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Function">term.Function</a>:<br>
<dl><dt><a name="BI_baseRelative-eval"><strong>eval</strong></a>(self, subj, obj, queue, bindings, proof, query)</dt></dl>
<dl><dt><a name="BI_baseRelative-evalObj"><strong>evalObj</strong></a>(self, subj, queue, bindings, proof, query)</dt><dd><tt>This function which has access to the store, unless overridden,<br>
calls a simpler one which uses python conventions.<br>
<br>
To reduce confusion, the inital ones called with the internals available<br>
use abreviations "eval", "subj" etc while the python-style ones use "evaluate", "subject", etc.</tt></dd></dl>
<hr>
Methods inherited from <a href="term.html#ReverseFunction">term.ReverseFunction</a>:<br>
<dl><dt><a name="BI_baseRelative-evalSubj"><strong>evalSubj</strong></a>(self, obj, queue, bindings, proof, query)</dt><dd><tt>This function which has access to the store, unless overridden,<br>
calls a simpler one which uses python conventions</tt></dd></dl>
<hr>
Static methods inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><a name="BI_baseRelative-__new__"><strong>__new__</strong></a>(cls, *args, **keywords)</dt></dl>
<hr>
Data and other attributes inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><strong>all</strong> = []</dl>
<hr>
Methods inherited from <a href="term.html#Fragment">term.Fragment</a>:<br>
<dl><dt><a name="BI_baseRelative-compareTerm"><strong>compareTerm</strong></a>(self, other)</dt></dl>
<dl><dt><a name="BI_baseRelative-dereference"><strong>dereference</strong></a>(self, mode<font color="#909090">=''</font>, workingContext<font color="#909090">=None</font>)</dt><dd><tt>dereference an identifyer, finding the semantics of its schema if any<br>
<br>
Returns None if it cannot be retreived.</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-generated"><strong>generated</strong></a>(self)</dt><dd><tt>A generated identifier?<br>
This arises when a document is parsed and a arbitrary<br>
name is made up to represent a node with no known URI.<br>
It is useful to know that its ID has no use outside that<br>
context.</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-representation"><strong>representation</strong></a>(self, base<font color="#909090">=None</font>)</dt><dd><tt>Optimize output if prefixes available</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-uriref"><strong>uriref</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_baseRelative-uriref2"><strong>uriref2</strong></a>(self, base)</dt></dl>
<hr>
Methods inherited from <a href="term.html#LabelledNode">term.LabelledNode</a>:<br>
<dl><dt><a name="BI_baseRelative-classOrder"><strong>classOrder</strong></a>(self)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><a name="BI_baseRelative-__repr__"><strong>__repr__</strong></a>(self)</dt><dd><tt>This method only used for debugging output - it can be ambiguous,<br>
as it is is deliberately short to make debug printout readable.<br>
<br>
output as XML qnames [<a href="http://www.w3.org/TR/REC-xml-names/#NT-QName">http://www.w3.org/TR/REC-xml-names/#NT-QName</a>].<br>
This could be beefed up to guarantee unambiguity.</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-asPair"><strong>asPair</strong></a>(self)</dt><dd><tt>Representation in an earlier format, being phased out 2002/08<br>
<br>
The first part of the pair is a constant number represnting the type<br>
see RDFSink.py. the second is the value -- uri for symbols,<br>
string for literals</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-compareAnyTerm"><strong>compareAnyTerm</strong></a>(self, other)</dt><dd><tt>Compare two langauge items<br>
This is a cannoncial ordering in that is designed to allow<br>
the same graph always to be printed in the same order.<br>
This makes the regression tests possible.<br>
The literals are deemed smaller than symbols, which are smaller<br>
than formulae. This puts the rules at the botom of a file where<br>
they tend to take a lot of space anyway.<br>
Formulae have to be compared as a function of their sorted contents.<br>
<br>
@@ Anonymous nodes have to, within a given Formula, be compared as<br>
a function of the sorted information about them in that context.<br>
This is not done yet</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-debugString"><strong>debugString</strong></a>(self, already<font color="#909090">=[]</font>)</dt></dl>
<dl><dt><a name="BI_baseRelative-doesNodeAppear"><strong>doesNodeAppear</strong></a>(self, symbol)</dt><dd><tt>Does that node appear within this one<br>
<br>
This non-overloaded function will simply return if I'm equal to him</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-freeVariables"><strong>freeVariables</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_baseRelative-occurringIn"><strong>occurringIn</strong></a>(self, vars)</dt></dl>
<dl><dt><a name="BI_baseRelative-substituteEquals"><strong>substituteEquals</strong></a>(self, bindings, newRedirections)</dt><dd><tt>Return this or a version of me with substitution made</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-substitution"><strong>substitution</strong></a>(self, bindings, why<font color="#909090">=None</font>, cannon<font color="#909090">=False</font>)</dt><dd><tt>Return this or a version of me with subsitution made</tt></dd></dl>
<dl><dt><a name="BI_baseRelative-unify"><strong>unify</strong></a>(self, other, env1<font color="#909090">=Env({})</font>, env2<font color="#909090">=Env({})</font>, vars<font color="#909090">=set([])</font>, universals<font color="#909090">=set([])</font>, existentials<font color="#909090">=set([])</font>, n1Source<font color="#909090">=32</font>, n2Source<font color="#909090">=32</font>)</dt></dl>
<dl><dt><a name="BI_baseRelative-unifySecondary"><strong>unifySecondary</strong></a>(self, other, env1, env2, vars, universals, existentials, n1Source<font color="#909090">=55</font>, n2Source<font color="#909090">=55</font>)</dt></dl>
<dl><dt><a name="BI_baseRelative-value"><strong>value</strong></a>(self)</dt><dd><tt>As a python value - by default, none exists, use self</tt></dd></dl>
<hr>
Data and other attributes inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><strong>__dict__</strong> = <dictproxy object><dd><tt>dictionary for instance variables (if defined)</tt></dl>
<dl><dt><strong>__weakref__</strong> = <attribute '__weakref__' of 'Term' objects><dd><tt>list of weak references to the object (if defined)</tt></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="BI_environ">class <strong>BI_environ</strong></a>(<a href="term.html#LightBuiltIn">term.LightBuiltIn</a>, <a href="term.html#Function">term.Function</a>)</font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt># Read Operating sytem environment lookup - read-only<br>
#<br>
# Not fatal if not defined<br> </tt></td></tr>
<tr><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="cwm_os.html#BI_environ">BI_environ</a></dd>
<dd><a href="term.html#LightBuiltIn">term.LightBuiltIn</a></dd>
<dd><a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a></dd>
<dd><a href="term.html#Function">term.Function</a></dd>
<dd><a href="term.html#BuiltIn">term.BuiltIn</a></dd>
<dd><a href="term.html#Fragment">term.Fragment</a></dd>
<dd><a href="term.html#LabelledNode">term.LabelledNode</a></dd>
<dd><a href="term.html#Node">term.Node</a></dd>
<dd><a href="term.html#Term">term.Term</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="BI_environ-evaluateObject"><strong>evaluateObject</strong></a>(self, subj_py)</dt></dl>
<hr>
Methods inherited from <a href="term.html#GenericBuiltIn">term.GenericBuiltIn</a>:<br>
<dl><dt><a name="BI_environ-__init__"><strong>__init__</strong></a>(self, resource, fragid)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Function">term.Function</a>:<br>
<dl><dt><a name="BI_environ-eval"><strong>eval</strong></a>(self, subj, obj, queue, bindings, proof, query)</dt></dl>
<dl><dt><a name="BI_environ-evalObj"><strong>evalObj</strong></a>(self, subj, queue, bindings, proof, query)</dt><dd><tt>This function which has access to the store, unless overridden,<br>
calls a simpler one which uses python conventions.<br>
<br>
To reduce confusion, the inital ones called with the internals available<br>
use abreviations "eval", "subj" etc while the python-style ones use "evaluate", "subject", etc.</tt></dd></dl>
<hr>
Static methods inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><a name="BI_environ-__new__"><strong>__new__</strong></a>(cls, *args, **keywords)</dt></dl>
<hr>
Data and other attributes inherited from <a href="term.html#BuiltIn">term.BuiltIn</a>:<br>
<dl><dt><strong>all</strong> = []</dl>
<hr>
Methods inherited from <a href="term.html#Fragment">term.Fragment</a>:<br>
<dl><dt><a name="BI_environ-compareTerm"><strong>compareTerm</strong></a>(self, other)</dt></dl>
<dl><dt><a name="BI_environ-dereference"><strong>dereference</strong></a>(self, mode<font color="#909090">=''</font>, workingContext<font color="#909090">=None</font>)</dt><dd><tt>dereference an identifyer, finding the semantics of its schema if any<br>
<br>
Returns None if it cannot be retreived.</tt></dd></dl>
<dl><dt><a name="BI_environ-generated"><strong>generated</strong></a>(self)</dt><dd><tt>A generated identifier?<br>
This arises when a document is parsed and a arbitrary<br>
name is made up to represent a node with no known URI.<br>
It is useful to know that its ID has no use outside that<br>
context.</tt></dd></dl>
<dl><dt><a name="BI_environ-representation"><strong>representation</strong></a>(self, base<font color="#909090">=None</font>)</dt><dd><tt>Optimize output if prefixes available</tt></dd></dl>
<dl><dt><a name="BI_environ-uriref"><strong>uriref</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_environ-uriref2"><strong>uriref2</strong></a>(self, base)</dt></dl>
<hr>
Methods inherited from <a href="term.html#LabelledNode">term.LabelledNode</a>:<br>
<dl><dt><a name="BI_environ-classOrder"><strong>classOrder</strong></a>(self)</dt></dl>
<hr>
Methods inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><a name="BI_environ-__repr__"><strong>__repr__</strong></a>(self)</dt><dd><tt>This method only used for debugging output - it can be ambiguous,<br>
as it is is deliberately short to make debug printout readable.<br>
<br>
output as XML qnames [<a href="http://www.w3.org/TR/REC-xml-names/#NT-QName">http://www.w3.org/TR/REC-xml-names/#NT-QName</a>].<br>
This could be beefed up to guarantee unambiguity.</tt></dd></dl>
<dl><dt><a name="BI_environ-asPair"><strong>asPair</strong></a>(self)</dt><dd><tt>Representation in an earlier format, being phased out 2002/08<br>
<br>
The first part of the pair is a constant number represnting the type<br>
see RDFSink.py. the second is the value -- uri for symbols,<br>
string for literals</tt></dd></dl>
<dl><dt><a name="BI_environ-compareAnyTerm"><strong>compareAnyTerm</strong></a>(self, other)</dt><dd><tt>Compare two langauge items<br>
This is a cannoncial ordering in that is designed to allow<br>
the same graph always to be printed in the same order.<br>
This makes the regression tests possible.<br>
The literals are deemed smaller than symbols, which are smaller<br>
than formulae. This puts the rules at the botom of a file where<br>
they tend to take a lot of space anyway.<br>
Formulae have to be compared as a function of their sorted contents.<br>
<br>
@@ Anonymous nodes have to, within a given Formula, be compared as<br>
a function of the sorted information about them in that context.<br>
This is not done yet</tt></dd></dl>
<dl><dt><a name="BI_environ-debugString"><strong>debugString</strong></a>(self, already<font color="#909090">=[]</font>)</dt></dl>
<dl><dt><a name="BI_environ-doesNodeAppear"><strong>doesNodeAppear</strong></a>(self, symbol)</dt><dd><tt>Does that node appear within this one<br>
<br>
This non-overloaded function will simply return if I'm equal to him</tt></dd></dl>
<dl><dt><a name="BI_environ-freeVariables"><strong>freeVariables</strong></a>(self)</dt></dl>
<dl><dt><a name="BI_environ-occurringIn"><strong>occurringIn</strong></a>(self, vars)</dt></dl>
<dl><dt><a name="BI_environ-substituteEquals"><strong>substituteEquals</strong></a>(self, bindings, newRedirections)</dt><dd><tt>Return this or a version of me with substitution made</tt></dd></dl>
<dl><dt><a name="BI_environ-substitution"><strong>substitution</strong></a>(self, bindings, why<font color="#909090">=None</font>, cannon<font color="#909090">=False</font>)</dt><dd><tt>Return this or a version of me with subsitution made</tt></dd></dl>
<dl><dt><a name="BI_environ-unify"><strong>unify</strong></a>(self, other, env1<font color="#909090">=Env({})</font>, env2<font color="#909090">=Env({})</font>, vars<font color="#909090">=set([])</font>, universals<font color="#909090">=set([])</font>, existentials<font color="#909090">=set([])</font>, n1Source<font color="#909090">=32</font>, n2Source<font color="#909090">=32</font>)</dt></dl>
<dl><dt><a name="BI_environ-unifySecondary"><strong>unifySecondary</strong></a>(self, other, env1, env2, vars, universals, existentials, n1Source<font color="#909090">=55</font>, n2Source<font color="#909090">=55</font>)</dt></dl>
<dl><dt><a name="BI_environ-value"><strong>value</strong></a>(self)</dt><dd><tt>As a python value - by default, none exists, use self</tt></dd></dl>
<hr>
Data and other attributes inherited from <a href="term.html#Term">term.Term</a>:<br>
<dl><dt><strong>__dict__</strong> = <dictproxy object><dd><tt>dictionary for instance variables (if defined)</tt></dl>
<dl><dt><strong>__weakref__</strong> = <attribute '__weakref__' of 'Term' objects><dd><tt>list of weak references to the object (if defined)</tt></dl>
</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt><a name="-isString"><strong>isString</strong></a>(x)</dt></dl>
<dl><dt><a name="-register"><strong>register</strong></a>(store)</dt></dl>
</td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#55aa55">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
<td width="100%"><strong>OS_NS_URI</strong> = 'http://www.w3.org/2000/10/swap/os#'</td></tr></table>
</body></html>