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A collection of python utility functions and classes.

Project description


BlazeUtils was originally developed as a library to hold common tools for the Blaze library family.

Over the years it has been expanded to be somewhat of a catch-all for tools commonly used by the Level 12 development team.

Questions & Comments

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Current Status

The code and API stay pretty stable.


Source code and issue tracker are on GitHub.


$ git clone blazeutils-src
$ cd blazeutils-src
$ tox
  clean: commands succeeded
  py27: commands succeeded
  py34: commands succeeded
  stats: commands succeeded
  congratulations :)


0.7.0 released 2022-10-27

  • update package setup and CI (e52cd73)

  • dropped python 2 support and six dependency

  • removed deprecated error_handling methods (tb_depth_in, traceback_depth)

  • removed deprecated testing.raises decorator

0.6.5 released 2021-01-26

  • Fix xlrd dependency check and deprecate remaining xlrd related functions (9e29b7b)

  • Deprecate raises decorator in favor of pytest.raises (19c0efe)

0.6.4 released 2020-10-23

  • Fix mutable default arguments in tolist and ensure_list (3bd7095)

0.6.3 released 2020-09-11

  • Support openpyxl in spreadsheet helpers (44448df)

  • Deprecate xlrd usage

0.6.2 released 2020-07-06

  • Add Log Level to Retry Decorator (5ee8d1d)

0.6.1 released 2019-11-01

  • prepare for release with pyp (e71f222)

  • clean up obsolete decorator usage in favor of wrapt (c1cfb61)

0.6.0 released 2019-10-30

  • Resolve some python deprecations

  • Support python 3.8

  • Python 2.7 no longer fully supported

0.5.3 released 2017-12-28

  • Create setup.cfg to build universal wheel

  • Create set of functional programming tools

0.5.2 released 2016-11-23

  • Added Python 3.5 compatibility

  • Set up CI and coverage

0.5.1 released 2015-05-12

  • Fixed spreadsheets.xlsx_to_reader Python 3.4 compatibility

  • Fixed numbers.convert_int exception test for Python 3.4 compatibility

  • Fixed case where error handling’s _uie_matches masked real exception by creating one

0.5.0 released 2015-03-24

  • Added Python 3.4 compatibility.

  • Remove blazeutils.xlrd. It had been deprecated and the objects moved to .spreadsheets.

0.4.4 released 2014-12-25

  • changed how the version string is determined in

  • archive old changelog notes

0.4.3 released 2014-12-16

  • add xlsx_to_strio() and WriterX.mwrite()

0.4.2 released 2014-12-08

  • fix wrong dates for 0.4.0 and 0.4.1 releases in changelog

  • add roundsecs argument to dates.trim_mils

  • updates to spreadsheets module including .xlsx file support

    • xlsx_to_reader(): converts xlsxwriter.Workbook instance to xlrd reader

    • WriterX: like Writer but for xlsxwriter Worksheets, API is slightly different and won’t have any faculties for style management like Writer does.

    • Reader: gets a .from_xlsx() method

    • http_headers(): utility function to help when sending files as HTTP response

0.4.1 released 2014-05-17

  • fix packaging issue

0.4.0 released 2014-05-17

  • testing.raises() gets support for custom exception validators, docstring updated w/ usage

  • decorators.curry() use a different approach so multiple curried functions can be used

  • add decorators.hybrid_method() ala SQLAlchemy

  • add decorators.memoize() primarily for SQLAlchemy method caching

  • BC break: .decorators now uses ‘wrapt’ so that is a new dependency

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