Pybliometrics

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2020-04-15

* `PlumXMetrics()` class to access the PlumX Metrics API.
* Fix and update the str dunder functions of all classes.
* Fix bug with raising a ScopusException when the resulting JSON is malformatted.

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2020-03-29

* In `AuthorRetrieval().estimate_uniqueness()`, allow for args and fix documentation.
* Fix bug with missing file modification timestamp.

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2020-03-29

* In `AuthorRetrieval().get_coauthors()`, return `None` instead of empty list when there are no coauthors.
* Improve warning and error messages.
* Improve all documentation.

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2020-03-22

* Support for Python 2.7 has ended.
* Introduce `Base()` class from which all classes inherit the following two methods: `.get_cache_file_age()` and `.get_cache_file_mdate()`.
* In all classes, refresh parameter accepts an integer which will refresh the cached file if the last modification date is longer than that number of days ago.
* Provide extensive affiliation information in `AuthorRetrieval().affiliation_current` and `AuthorRetrieval().affiliation_history` as namedtuples.
* Provide more robust example of the "Download Machine" in the documentation.
* Fix typos and formatting errors in the documentation.
* In `AbstractRetrieval().__str__`, fix bug due to missing authors and affiliations.

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2019-12-29

* EIDs starting with "1-s2.0-" are automatically detected as EID as well.
* In `ScopusSearch().results` add field "subtypeDescription".
* In `AbstractRetrieval().idxterms` return None instead of empty lists.
* In `AbstractRetrieval().confdate` return None instead of list with tuples containing None.
* Add UserWarning for change of type of `AuthorRetrieval().affiliation_current` and `AuthorRetrieval().affiliation_history`.

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2019-09-09

* Add user agent string to evaluate usage.
* Fix bug with missing journal metrics in `SerialTitle()`.