RDFLib 4.2.2

This is a bug-fix release, and the last release in the 4.X.X series.

Bug fixes:

• SPARQL bugs fixed:
  • Fix for filters in sub-queries
    #693
  • Fixed bind, initBindings and filter problems
    #294
    #555
    #580
    #586
    #601
    #615
    #617
    #619
    #630
    #653
    #686
    #688
    #692
  • Fixed unexpected None value in SPARQL-update
    #633
    #634
  • Fix sparql, group by and count of null values with optional
    #631
  • Fixed sparql sub-query and aggregation bugs
    #607
    #610
    #628
    #694
  • Fixed parsing Complex BGPs as triples
    #622
    #623
  • Fixed DISTINCT being ignored inside aggregate functions
    #404
    #611
    #678
  • Fix unicode encoding errors in sparql processor
    #446
    #599
  • Fixed SPARQL select nothing no longer returning a None row
    #554
    #592
  • Fixed aggregate operators COUNT and SAMPLE to ignore unbound / NULL values
    #564
    #563
    #567
    #568
  • Fix sparql relative uris
    #523
    #524
  • SPARQL can now compare xsd:date type as well, fixes #532
    #532
    #533
  • fix sparql path order on python3: "TypeError: unorderable types: SequencePath() < SequencePath()""
    #492
    #525
  • SPARQL parser now robust to spurious semicolon
    #381
    #528
  • Let paths be comparable against all nodes even in py3 (preparedQuery error)
    #545
    #552
  • Made behavior of initN in update and query more consistent
    #579
    #600
• SparqlStore:
  • SparqlStore now closes underlying urllib response body
    #638
    #683
  • SparqlStore injectPrefixes only modifies query if prefixes present and if adds a newline in between
    #521
    #522
• Fixes and tests for AuditableStore
  #537
  #557
• Trig bugs fixed:
  • trig export of multiple graphs assigns wrong prefixes to prefixedNames
    #679
  • Trig serialiser writing empty named graph name for default graph
    #433
  • Trig parser can creating multiple contexts for the default graph
    #432
  • Trig serialisation handling prefixes incorrectly
    #428
    #699
• Fixed Nquads parser handling of triples in default graph
  #535
  #536
• Fixed TypeError in Turtle serializer (unorderable types: DocumentFragment() > DocumentFragment())
  #613
  #648
  #666
  #676
• Fixed serialization and parsing of inf/nan
  #655
  #658
• Fixed RDFa parser from failing on time elements with child nodes
  #576
  #577
• Fix double reduction of \ escapes in from_n3
  #546
  #548
• Fixed handling of xsd:base64Binary
  #646
  #674
• Fixed Collection.setitem broken
  #604
  #605
• Fix ImportError when main already loaded
  #616
• Fixed broken top_level.txt file in distribution
  #571
  #572
  #573

Enhancements:

• Added support for Python 3.5+
  #526
• More aliases for common formats (nt, turtle)
  #701
• Improved RDF1.1 ntriples support
  #695
  #700
• Dependencies updated and improved compatibility with pyparsing, html5lib, SPARQLWrapper and elementtree
  #550
  #589
  #606
  #641
  #642
  #650
  #671
  #675
  #684
  #696
• Improved prefix for SPARQL namespace in XML serialization
  #493
  #588
• Performance improvements:
  • SPARQL Aggregation functions don't build up memory for each row
    #678
  • Collections now support += (iadd), fixes slow creation of large lists
    #609
    #612
    #691
  • SPARQL Optimisation to expand BGPs in a smarter way
    #547
• SPARQLStore improvements
  • improved SPARQLStore BNode customizability
    #511
    #512
    #513
    #603
  • Adding the option of using POST for long queries in SPARQLStore
    #672
    #673
  • Exposed the timeout of SPARQLWrapper
    #531
• SPARQL prepared query now carries the original (unparsed) parameters
  #565
• added .n3 methods for path objects
  #553
• Added support for xsd:gYear and xsd:gYearMonth
  #635
  #636
• Allow duplicates in rdf:List
  #223
  #690
• Improved slicing of Resource objects
  #529

Cleanups:

• cleanup: SPARQL Prologue and Query new style classes
  #566
• Reduce amount of warnings, especially closing opened file pointers
  #518
  #651
• Improved ntriples parsing exceptions to actually tell you what's wrong
  #640
  #643
• remove ancient and broken 2.3 support code.
  #680
  #681
• Logger output improved
  #662
• properly cite RGDA1
  #624
• Avoid class reference to imported function
  #574
  #578
• Use find_packages for package discovery.
  ...

RDFLib 4.2.1

This is a bug-fix release.

Minor enhancements:

• Added a Networkx connector
  #471,
  #507
• Added a graph_tool connector
  #473
• Added a graphs method to the Dataset object
  #504,
  #495
• Batch commits for SPARQLUpdateStore
  #486

Bug fixes:

• Fixed bnode collision bug
  #506,
  #496,
  #494
• fix util.from_n3() parsing Literals with datatypes and Namespace support
  #503,
  #502
• make Identifier.__hash__ stable wrt. multi processes
  #501,
  #500
• fix handling URLInputSource without content-type
  #499,
  #498
• no relative import in algebra when run as a script
  #497
• Duplicate option in armstrong theme.conf removed
  #491
• Variable.__repr__ returns a python representation string, not n3
  #488
• fixed broken example
  #482
• trig output fixes
  #480
• set PYTHONPATH to make rdfpipe tests use the right rdflib version
  #477
• fix RDF/XML problem with unqualified use of rdf:about
  #470,
  #468
• AuditableStore improvements
  #469,
  #463
• added asserts for graph.set([s,p,o]) so s and p aren't None
  #467
• threading.RLock instances are context managers
  #465
• SPARQLStore does not transform Literal('') into Literal('None') anymore
  #459,
  #457
• slight performance increase for graph.all_nodes()
  #458

Testing improvements:

• travis: migrate to docker container infrastructure
  #508
• test for narrow python builds (chars > 0xFFFF) (related to
  #453,
  #454
  )
  #456,
  #509
• dropped testing py3.2
  #448
• Running a local fuseki server on travis and making it failsafe
  #476,
  #475,
  #474,
  #466,
  #460
• exclude def main(): functions from test coverage analysis
  #472

RDFLib 4.2.0

This is a new minor version of RDFLib including a handful of new features:

• Supporting N-Triples 1.1 syntax using UTF-8 encoding
  #447,
  #449,
  #400
• Graph comparison now really works using RGDA1 (RDF Graph Digest Algorithm 1)
  #441
  #385
• More graceful degradation than simple crashing for unicode chars > 0xFFFF on
  narrow python builds. Parsing such characters will now work, but issue a
  UnicodeWarning. If you run python -W all you will already see a warning on
  import rdflib will show a warning (ImportWarning).
  #453,
  #454
• URLInputSource now supports json-ld
  #425
• SPARQLStore is now graph aware
  #401,
  #402
• SPARQLStore now uses SPARQLWrapper for updates
  #397
• Certain logging output is immediately shown in interactive mode
  #414
• Python 3.4 fully supported
  #418

Minor enhancements & bugs fixed:

• Fixed double invocation of 2to3
  #437
• PyRDFa parser missing brackets
  #434
• Correctly handle \uXXXX and \UXXXXXXXX escapes in n3 files
  #426
• Logging cleanups and keeping it on stderr
  #420
  #414
  #413
• n3: allow @base URI to have a trailing '#'
  #407
  #379
• microdata: add file:// to base if it's a filename so rdflib can parse its own
  output
  #406
  #403
• TSV Results parse skips empty bindings in result
  #390
• fixed accidental test run due to name
  #389
• Bad boolean list serialization to Turtle & fixed ambiguity between
  Literal(False) and None
  #387
  #382
• Current version number & PyPI link in README.md
  #383