diff env/lib/python3.7/site-packages/rdflib/plugins/parsers/trig.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/rdflib/plugins/parsers/trig.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,166 +0,0 @@
-from rdflib import ConjunctiveGraph
-from rdflib.parser import Parser
-from .notation3 import SinkParser, RDFSink
-
-
-def becauseSubGraph(*args, **kwargs): pass
-
-
-class TrigSinkParser(SinkParser):
-
-    def directiveOrStatement(self, argstr, h):
-
-        #import pdb; pdb.set_trace()
-
-        i = self.skipSpace(argstr, h)
-        if i < 0:
-            return i    # EOF
-
-        j = self.graph(argstr, i)
-        if j >= 0:
-            return j
-
-        j = self.sparqlDirective(argstr, i)
-        if j >= 0:
-            return j
-
-        j = self.directive(argstr, i)
-        if j >= 0:
-            return self.checkDot(argstr, j)
-
-        j = self.statement(argstr, i)
-        if j >= 0:
-            return self.checkDot(argstr, j)
-
-
-        return j
-
-    def labelOrSubject(self, argstr, i, res):
-        j = self.skipSpace(argstr, i)
-        if j < 0:
-            return j  # eof
-        i = j
-
-        j = self.uri_ref2(argstr, i, res)
-        if j >= 0:
-            return j
-
-        if argstr[i] == '[':
-            j = self.skipSpace(argstr, i+1)
-            if j < 0:
-                self.BadSyntax(argstr, i,
-                    "Expected ] got EOF")
-            if argstr[j] == ']':
-                res.append(self.blankNode())
-                return j+1
-        return -1
-
-    def graph(self, argstr, i):
-        """
-        Parse trig graph, i.e.
-
-           <urn:graphname> = { .. triples .. }
-
-        return -1 if it doesn't look like a graph-decl
-        raise Exception if it looks like a graph, but isn't.
-        """
-
-        #import pdb; pdb.set_trace()
-        j = self.sparqlTok('GRAPH', argstr, i) # optional GRAPH keyword
-        if j >= 0: i = j
-
-        r = []
-        j = self.labelOrSubject(argstr, i, r)
-        if j >= 0:
-            graph = r[0]
-            i = j
-        else:
-            graph = self._store.graph.identifier # hack
-
-
-        j = self.skipSpace(argstr, i)
-        if j < 0:
-            self.BadSyntax(argstr, i,
-                           "EOF found when expected graph")
-
-        if argstr[j:j + 1] == "=": # optional = for legacy support
-
-            i = self.skipSpace(argstr, j + 1)
-            if i < 0:
-                self.BadSyntax(argstr, i, "EOF found when expecting '{'")
-        else:
-            i = j
-
-        if argstr[i:i+1] != "{":
-            return -1 # the node wasn't part of a graph
-
-
-        j = i+1
-
-        oldParentContext = self._parentContext
-        self._parentContext = self._context
-        reason2 = self._reason2
-        self._reason2 = becauseSubGraph
-        self._context = self._store.newGraph(graph)
-
-        while 1:
-            i = self.skipSpace(argstr, j)
-            if i < 0:
-                self.BadSyntax(
-                    argstr, i, "needed '}', found end.")
-
-            if argstr[i:i + 1] == "}":
-                j = i + 1
-                break
-
-            j = self.directiveOrStatement(argstr, i)
-            if j < 0:
-                self.BadSyntax(
-                    argstr, i, "expected statement or '}'")
-
-        self._context = self._parentContext
-        self._reason2 = reason2
-        self._parentContext = oldParentContext
-        #res.append(subj.close())    # No use until closed
-        return j
-
-
-
-
-class TrigParser(Parser):
-    """
-    An RDFLib parser for TriG
-
-    """
-
-    def __init__(self):
-        pass
-
-    def parse(self, source, graph, encoding="utf-8"):
-
-        if encoding not in [None, "utf-8"]:
-            raise Exception(
-                ("TriG files are always utf-8 encoded, ",
-                 "I was passed: %s") % encoding)
-
-        # we're currently being handed a Graph, not a ConjunctiveGraph
-        assert graph.store.context_aware, "TriG Parser needs a context-aware store!"
-
-        conj_graph = ConjunctiveGraph(store=graph.store, identifier=graph.identifier)
-        conj_graph.default_context = graph  # TODO: CG __init__ should have a
-                                            # default_context arg
-         # TODO: update N3Processor so that it can use conj_graph as the sink
-        conj_graph.namespace_manager = graph.namespace_manager
-
-        sink = RDFSink(conj_graph)
-
-        baseURI = conj_graph.absolutize(
-            source.getPublicId() or source.getSystemId() or "")
-        p = TrigSinkParser(sink, baseURI=baseURI, turtle=True)
-
-        p.loadStream(source.getByteStream())
-
-        for prefix, namespace in list(p._bindings.items()):
-            conj_graph.bind(prefix, namespace)
-
-        # return ???