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Pure-python Z39.50 implementation

Home Page: http://www.panix.com/~asl2/software/PyZ3950/

Python 79.33% Lex 0.83% Yacc 3.75% HTML 16.08% Shell 0.01%

pyz3950's Introduction

PyZ3950

Summary

Pure-python Z39.50 implementation

Update Notes

This code is updated to support both Python 2.7+ and Python 3.5+ using 2to3 and some hand changes. The one test I got working in Python 2.7 is updated to both remain a test script and a "unit test", and that leads to test coverage of about 40%.

However, only code in PyZ3950 is actually covered by these tests. It should be assumed that the code in the example, ill, and other directories are not working properly, despite the use of 2to3.

Updating test/test2.py indicates only that the NLM Z39.50 server does not support concurrent searches.

As such, it is too early to release a new version, but there is enough here to continue. In particular, it will be good to see whether we can utilize the asn1 library and pymarc.

Dan Davis [email protected]

Original README

This code is licensed under the X license. It requires Dave Beazley's PLY parsing package from http://systems.cs.uchicago.edu/ply/, licensed under the LGPL (I've tested with both 1.0 and 1.1), and Python 2.1 (or, in all probability, later versions.)

For Z39.50 functionality, you probably just want to use ZOOM, in zoom.py. An example is in test/test1.py, which just queries the Library of Congress for works whose title begins with "1066 and all that". The documentation for the language-independent API is available at http://zoom.z3950.org/api, and I hope that should be sufficient when combined with the docstrings in zoom.py and the example. (If not, please write me.)

The ASN.1 functionality is designed to be usable separately, and lives entirely in asn1.py. I probably should split this out into its own package.

Aaron Lav [email protected]

License

X Consortium License (Note that since X-Windows is now covered by the MIT License, this may be soon, but I hesitate to change it without the constructive agreement of the author.)

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pyz3950's Issues

Where is the function mk_tag_str() defined?

$ flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics

./compiler/py_output.py:218:22: F821 undefined name 'mk_tag_str'
            tagstr = mk_tag_str (self,nt.typ.tag.cls, # XXX
                     ^

https://github.com/asl2/PyZ3950/search?q=mk_tag_str

"No module named lex" error

Hi There,

This is a great project, thanks for putting it together.
I'm having an error when trying to run the hello.py script from my (windows) python 2.7.x instance:

C:\Python27\python.exe hello.py
Traceback (most recent call last):
  File "hello.py", line 2, in <module>
    from PyZ3950 import zoom
  File "C:\Python27\lib\site-packages\PyZ3950\zoom.py", line 73, in <module>
    from PyZ3950 import ccl
  File "C:\Python27\lib\site-packages\PyZ3950\ccl.py", line 124, in <module>
    import lex
ImportError: No module named lex

any suggestions?

Maybe add hist,parm,selt to ignore-words-list?

./CHANGELOG:63: authetication ==> authentication
./compiler/py_output.py:209: explict ==> explicit
./compiler/tests/v3.txt,v:1128: madatory ==> mandatory
./compiler/tests/v3.txt,v:1377: occurence ==> occurrence
./compiler/tests/v3.txt,v:1697: retreive ==> retrieve
./compiler/tests/v3.txt,v:1855: facilites ==> facilities
./compiler/tests/v3.txt,v:2204: overidden ==> overridden
./PyZ3950/z3950.py:270: parm ==> param, pram, parma
./PyZ3950/asn1.py:272: selt ==> set, self, sold
./PyZ3950/asn1.py:273: selt ==> set, self, sold
./PyZ3950/asn1.py:1695: reencode ==> re-encode
./PyZ3950/asn1.py:1764: reencode ==> re-encode
./PyZ3950/CQLUtils.py:124: langauge ==> language
./PyZ3950/bib1msg.py:157: permissable ==> permissible
./PyZ3950/bib1msg.py:158: permissable ==> permissible
./PyZ3950/zoom.py:552: parms ==> params, prams
./PyZ3950/zmarc.py:146: occurence ==> occurrence
./PyZ3950/zmarc.py:440: directry ==> directory
./PyZ3950/zmarc.py:440: directry ==> directory
./PyZ3950/zmarc.py:627: Tranform ==> Transform
./PyZ3950/CQLParser.py:338: charater ==> character
./example/test_sort.py:4: hist ==> heist, his
./example/explain.py:96: hist ==> heist, his
./apache/CQLParser.py:934: charater ==> character
./other_docs/zthes-05.dtd:8: occurence ==> occurrence
./other_docs/asn1.html:1239: madatory ==> mandatory
./other_docs/asn1.html:1512: occurence ==> occurrence
./other_docs/asn1.html:1867: retreive ==> retrieve
./other_docs/asn1.html:2046: facilites ==> facilities
./other_docs/asn1.html:2433: overidden ==> overridden
./other_docs/ASN1layman.htm:1023: arbtrary ==> arbitrary
./other_docs/ASN1layman.htm:1478: occurences ==> occurrences
./other_docs/ASN1layman.htm:1487: occurence ==> occurrence
./other_docs/ASN1layman.htm:1491: occurence ==> occurrence
./other_docs/ASN1layman.htm:1603: arbtrary ==> arbitrary
./other_docs/ASN1layman.htm:1610: interepretations ==> interpretations
./other_docs/ASN1layman.htm:1776: occurences ==> occurrences
./docs/zmarc.html:53: occurence ==> occurrence
./docs/zmarc.html:78: Tranform ==> Transform
./docs/zoom.html:619: parms ==> params, prams