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Changelog

Release 1.6

  • Added parametrize for parameterized unit tests
  • Fixed tests failing (to find test files) when running from the IDE or the terminal when not in the right directory
  • Added Python version to GitHub Action workflow job steps and set Black to show required formatting changes
  • Upgraded pre-commit hooks (pre-commit-hooks to v5.0.0 and ruff-pre-commit to v0.6.0)
  • Added run-test.sh script that runs all checks on code
  • Added support for Python 3.12 and 3.13 by upgrading Pylint and disabling/fixing Pylint errors
  • Corrected and improved language consistency in readme and CHANGELOG.md

New Features

  • Implemented zip_with_next function

Release 1.5

Release 1.4

  • Added support for empty sequence expressions seq(), pseq() (#159)
  • Added no_wrap option to head(), head_option(), first(), last() and last_option(), as well as to seq(), pseq() and Sequence constructor

Release 1.3.0

  • Added precompute attribute to reverse transformation (#137)
  • Updated setup.py dill to requirements.txt (#138)
  • Docstring of tail fixed (#140)
  • Added extend feature (#144)

Release 1.2.0

  • Fixed Broken link in readme
  • Loosened version requirements #129
  • Fixed lint errors
  • Fixed StopIteration errors for Python 3.7 #132
  • Dropped support for python 3.4

Release 1.1.3

  • Fixed bug in partition #124

Release 1.1.0

  • Implemented optimized version of reduce_by_key
  • Implemented count_by_key
  • Implemented count_by_value
  • Implemented accumulate #104
  • Added support for variance on versions of certain packages: #117 and #116
  • Various typo fixes
  • Various CI fixes
  • Dropped CI testing and official support for Python 3.3
  • Made import much faster by loading pandas more lazily #99

Bug Fixes

Release 1.0.0

Reaching 1.0 primarily means that API stability has been reached, so I don't expect to run into many new breaking changes.

New Features

  • Added optional initial value for reduce (#86)
  • Added table of contents to readme (#88)
  • Added data interchange tutorial with pandas (https://github.com/EntilZha/PyFunctional/blob/master/examples/PyFunctional-pandas-tutorial.ipynb)
  • Implemented itertools.starmap as Sequence.starmap and Sequence.smap (#90)
  • Added interface to csv.DictReader via seq.csv_dict_reader (#92)
  • Improved _html_repr_, show and tabulate by auto detecting named tuples as column names (#91)
  • Improved _html_repr_ and show to tell the user 10 of N rows are being shown if there are more than 10 rows (#94)

Dependencies and Supported Python Versions

  • Bumped version dependencies (#89)
  • Added Python 3.6 via Travis CI testing

Release 0.8.0

New Features

  • Implemented pretty html repr for Jupyter
  • Implemented proper parsing of pandas DataFrames
  • Added feature to detect when it's possible to pretty print a table and do so
  • list/to_list have a parameter n to limit number of results

Bug Fixes

  • Fixed bug where grouped unnecessarily forces precomputation of sequence
  • Removed package installations from default requirements that sometimes break installation on barebones systems in python 2.7

Release 0.7.0

New Features

  • Auto parallelization by using pseq instead of seq. Details at #47
  • Parallel functions: map, select, filter, filter_not, where, flatten, and flat_map
  • Compressed file IO support for gzip/lzma/bz2 as detailed at #54
  • Cartesian product from itertools.product implemented as Pipeline.cartesian
  • Website at pyfunctional.pedro.ai and docs at docs.pyfunctional.pedro.ai

Bug Fixes

  • No option for encoding in to_json #70

Internal Changes

  • Pinned versions of all dependencies

Contributors

  • Thanks to versae for implementing most of the pseq feature!
  • Thanks to ChuyuHsu for implementing large parts of the compression feature!

Release 0.6.0

New Features

  • Added support for reading to and from SQLite databases
  • Changed project name from ScalaFunctional to PyFunctional
  • Added to_pandas call integration

Internal Changes

  • Changed code quality check service

Release 0.5.0

New Features

  • Added delimiter option on to_file
  • Sequence.sliding to create a sliding window from a list of elements

Internal Changes

  • Changed all relative imports to absolute imports with __future__.absolute_import

Bug Fixes

  • Fixed case where _wrap is changing named tuples to arrays when it should preserve them
  • Fixed documentation on to_file which incorrectly copied from seq.open delimiter parameter
  • Fixed Sequence.zip_with_index behavior, which used to mimic enumerate by zipping on the left side while Scala and Spark zip on the right side. This introduces different but more flexible behavior in combination with enumerate. A start parameter was also added like in enumerate

Release 0.4.1

Fixed python 3 build error due to wheel installation of enum34. Package no longer depends on enum34

Release 0.4.0

New Features

  • Official and tested support for python 3.5. Thus ScalaFunctional is tested on Python 2.7, 3.3, 3.4, 3.5, pypy, and pypy3
  • aggregate from LINQ
  • order_by from LINQ
  • where from LINQ
  • select from LINQ
  • average from LINQ
  • sum modified to allow LINQ projected sum
  • product modified to allow LINQ projected product
  • seq.jsonl to read jsonl files
  • seq.json to read json files
  • seq.open to read files
  • seq.csv to read csv files
  • seq.range to create range sequences
  • Sequence.to_jsonl to save jsonl files
  • Sequence.to_json to save json files
  • Sequence.to_file to save files
  • Sequence.to_csv to save csv files
  • Improved documentation with more examples and mention LINQ explicitly
  • Changed PyPi keywords to improve discoverability
  • Created Google groups mailing list

Bug Fixes

  • fold_left and fold_right had incorrect order of arguments for passed function