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216bedd00a4abf4452da332e6246dbc68ee69784
pdfplumber/CHANGELOG.md
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Jeremy Singer-Vine 216bedd00a Refactor handling of pts attribute 
In doing so, deprecate the `curve_obj["points"]` attribute, and fix
`PageImage.draw_line(...)`'s handling of diagonal lines.
2023-02-03 14:27:36 -05:00

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# Changelog
All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](http://keepachangelog.com/).
## [Unreleased]
### Changed
- Refactor handling of `pts` attribute and, in doing so, deprecate the `curve_obj["points"]` attribute, and fix `PageImage.draw_line(...)`'s handling of diagonal lines.
### Development Changes
- Convert `utils.py` into `utils/` submodules. Retains same interface, just an improvement in organization. ([6351d97](https://github.com/jsvine/pdfplumber/commit/6351d97))
- Fix typing hints to include io.BytesIO. ([d4107f6](https://github.com/jsvine/pdfplumber/commit/d4107f6)) [h/t @ conitrade-as]
## [0.7.6] - 2022-11-22
### Changed
- Bump pinned `pdfminer.six` version to `20221105`. ([e63a038](https://github.com/jsvine/pdfplumber/commit/e63a038))
### Fixed
- Restore `text` attribute to `.textboxhorizontal`/etc., regression introduced in `9587cc7` / `v0.6.2`. ([8a0c126](https://github.com/jsvine/pdfplumber/commit/8a0c126))
- Fix `lru_cache` usage, which are [discouraged for class methods](https://rednafi.github.io/reflections/dont-wrap-instance-methods-with-functoolslru_cache-decorator-in-python.html) due to garbage-collection issues. ([e3142a0](https://github.com/jsvine/pdfplumber/commit/e3142a0))
### Development Changes
- Upgrade `nbexec` development requirement from `0.1.0` to `0.2.0`. ([30dac25](https://github.com/jsvine/pdfplumber/commit/30dac25))
## [0.7.5] - 2022-10-01
### Added
- Add `PageImage.show()` as alias for `PageImage.annotated.show()`. ([#715](https://github.com/jsvine/pdfplumber/discussions/715) + [5c7787b](https://github.com/jsvine/pdfplumber/commit/5c7787b))
### Fixed
- Fixed issue where `py.typed` file was not included in PyPi distribution. ([#698](https://github.com/jsvine/pdfplumber/issues/698) + [#703](https://github.com/jsvine/pdfplumber/pull/703) + [6908487](https://github.com/jsvine/pdfplumber/commit/6908487)) [h/t @jhonatan-lopes]
- Reinstated the ability to call `utils.cluster_objects(...)` with any hashable value (`str`, `int`, `tuple`, etc.) as the `key_fn` parameter, reverting breaking change in [58b1ab1](https://github.com/jsvine/pdfplumber/commit/58b1ab1). ([#691](https://github.com/jsvine/pdfplumber/issues/691) + [1e97656](https://github.com/jsvine/pdfplumber/commit/1e97656)) [h/t @jfuruness]
### Development Changes
- Update Wand version in `requirements.txt` from `>=0.6.7` to `>=0.6.10`. ([#713](https://github.com/jsvine/pdfplumber/issues/713) + [3457d79](https://github.com/jsvine/pdfplumber/commit/3457d79))
## [0.7.4] - 2022-07-19
### Added
- Add `utils.outside_bbox(...)` and `Page.outside_bbox(...)` method, which are the inverse of `utils.within_bbox(...)` and `Page.within_bbox(...)`. ([#369](https://github.com/jsvine/pdfplumber/issues/369) + [3ab1cc4](https://github.com/jsvine/pdfplumber/commit/3ab1cc4))
- Add `strict=True/False` parameter to `Page.crop(...)`, `Page.within_bbox(...)`, and `Page.outside_bbox(...)`; default is `True`, while `False` bypasses the `test_proposed_bbox(...)` check. ([#421](https://github.com/jsvine/pdfplumber/issues/421) + [71ad60f](https://github.com/jsvine/pdfplumber/commit/71ad60f))
- Add more guidance to exception when `.to_image(...)` raises `PIL.Image.DecompressionBombError`. ([#413](https://github.com/jsvine/pdfplumber/issues/413) + [b6ff9e8](https://github.com/jsvine/pdfplumber/commit/b6ff9e8))
### Fixed
- Fix `PageImage` conversions for PDFs with `cmyk` colorspaces; convert them to `rgb` earlier in the process. ([28330da](https://github.com/jsvine/pdfplumber/commit/28330da))
## [0.7.3] - 2022-07-18
### Fixed
- Quick fix for transparency issue in visual debugging mode. ([b98dd7c](https://github.com/jsvine/pdfplumber/commit/b98dd7c))
## [0.7.2] - 2022-07-17
### Added
- Add `split_at_punctuation` parameter to `.extract_words(...)` and `.extract_text(...)`. ([#682](https://github.com/jsvine/pdfplumber/issues/674)) [h/t @lolipopshock]
- Add README.md link to @hbh112233abc's [Chinese translation of README.md](https://github.com/hbh112233abc/pdfplumber/blob/stable/README-CN.md). ([#674](https://github.com/jsvine/pdfplumber/issues/674))
### Changed
- Change `.to_image(...)`'s approach, preferring to composite with a white background instead of removing the alpha channel. ([1cd1f9a](https://github.com/jsvine/pdfplumber/commit/1cd1f9a))
### Fixed
- Fix bug in `LayoutEngine.calculate(...)` when processing char objects with len>1 representations, such as ligatures. ([#683](https://github.com/jsvine/pdfplumber/issues/683))
## [0.7.1] - 2022-05-31
### Fixed
- Fix bug when calling `PageImage.debug_tablefinder()` (i.e., with no parameters). ([#659](https://github.com/jsvine/pdfplumber/issues/659) + [063e2ed](https://github.com/jsvine/pdfplumber/commit/063e2ed)) [h/t @rneumann7]
### Development Changes
- Add `Makefile` target for `examples`, as well as dev requirements to support re-running the example notebooks automatically. ([ef065a7](https://github.com/jsvine/pdfplumber/commit/ef065a7))
## [0.7.0] - 2022-05-27
### Added
- Add `"matrix"` property to `char` objects, representing the current transformation matrix. ([ae6f99e](https://github.com/jsvine/pdfplumber/commit/ae6f99e))
- Add `pdfplumber.ctm` submodule with class `CTM`, to calculate scale, skew, and translation of a current transformation matrix obtained from a `char`'s `"matrix"` property. ([ae6f99e](https://github.com/jsvine/pdfplumber/commit/ae6f99e))
- Add `page.search(...)`, an *experimental feature* that allows you to search a page's text via regular expressions and non-regex strings, returning the text, any regex matches, the bounding box coordinates, and the char objects themselves. ([#201](https://github.com/jsvine/pdfplumber/issues/201) + [58b1ab1](https://github.com/jsvine/pdfplumber/commit/58b1ab1))
- Add `--include-attrs`/`--exclude-attrs` to CLI (and corresponding params to `.to_json(...)`, `.to_csv(...)`, and `Serializer`. ([4deac25](https://github.com/jsvine/pdfplumber/commit/4deac25))
- Add `py.typed` for PEP561 compatibility and detection of typing hints by mypy. ([ca795d1](https://github.com/jsvine/pdfplumber/commit/ca795d1)) [h/t @jhonatan-lopes]
### Changed
- Bump pinned `pdfminer.six` version to `20220524`. ([486cea8](https://github.com/jsvine/pdfplumber/commit/486cea8))
### Removed
- Remove `utils.collate_chars(...)`, the old name (and then alias) for `utils.extract_text(...)`. ([24f3532](https://github.com/jsvine/pdfplumber/commit/24f3532))
- Remove `utils._itemgetter(...)`, an internal-use method previously used by `utils.cluster_objects(...)`. ([58b1ab1](https://github.com/jsvine/pdfplumber/commit/58b1ab1))
### Fixed
- Fix `IndexError` bug for `.extract_text(layout=True)` on pages without text. ([#658](https://github.com/jsvine/pdfplumber/issues/658) + [ad3df11](https://github.com/jsvine/pdfplumber/commit/ad3df11)) [h/t @ethanscorey]
## [0.6.2] - 2022-05-06
### Added
- Add type annotations, and refactor parts of the library accordingly. ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
- Add enforcement of type annotations via `mypy --strict`. ([cdfdb87](https://github.com/jsvine/pdfplumber/commit/cdfdb87a215fed6cdc0db3a218c35bf18d399cbe))
- Add final bits of test coverage. ([feb9d08](https://github.com/jsvine/pdfplumber/commit/feb9d082d7afb31edd0838cb93666d1e71c119da))
- Add `TableSettings` class, a behind-the-scenes handler for managing and validating table-extraction settings. ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
### Changed
- Rename the positional argument to `.to_csv(...)` and `.to_json(...)` from `types` to `object_types`. ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
- Tweak the output of `.to_json(...)` so that, if an object type is not present for a given page, it has no key in the page's object representation. ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
### Removed
- Remove `utils.filter_objects(...)` and move the functionality to within the `FilteredPage.objects` property calculation, the only part of the library that used it. ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
- Remove code that sets `pdfminer.pdftypes.STRICT = True` and `pdfminer.pdfinterp.STRICT = True`, since that [has now been the default for a while](https://github.com/pdfminer/pdfminer.six/commit/9439a3a31a347836aad1c1226168156125d9505f). ([9587cc7](https://github.com/jsvine/pdfplumber/commit/9587cc7d2292a1eae7a0150ab406f9365944266f))
## [0.6.1] - 2022-04-23
### Changed
- Bump pinned `pdfminer.six` version to `20220319`. ([e434ed0](https://github.com/jsvine/pdfplumber/commit/e434ed0b196f1f2c0b7f76e8ea2663e40c99e93c))
- Bump minimum `Pillow` version to `>=9.1`. ([d88eff1](https://github.com/jsvine/pdfplumber/commit/d88eff1e5354baa219ebff244fd4ab0e74db49c5))
- Drop support for Python 3.6 (EOL Dec. 2021) ([a32473e](https://github.com/jsvine/pdfplumber/commit/a32473ee5f9113d5c5a96b30270cafc58d170f46))
### Fixed
- If `pdfplumber.open(...)` opens a file but a `pdfminer.pdfparser.PSException` is raised during the process, `pdfplumber` now makes sure to close that file. ([#581](https://github.com/jsvine/pdfplumber/pull/581) + ([#578](https://github.com/jsvine/pdfplumber/issues/578)) [h/t @johnhuge]
- Fix incompatibility with `Pillow>=9.1`. ([#637](https://github.com/jsvine/pdfplumber/issues/637))
## [0.6.0] - 2021-12-21
### Added
- Add `.extract_text(layout=True)`, an *experimental feature* which attempts to mimic the structural layout of the text on the page. ([#10](https://github.com/jsvine/pdfplumber/issues/10))
- Add `utils.merge_bboxes(bboxes)`, which returns the smallest bounding box that contains all bounding boxes in the `bboxes` argument. ([f8d5e70](https://github.com/jsvine/pdfplumber/commit/f8d5e70a509aa9ed3ee565d7d3f97bb5ec67f5a5))
- Add `--precision` argument to CLI ([#520](https://github.com/jsvine/pdfplumber/pull/520))
- Add `snap_x_tolerance` and `snap_y_tolerance` to table extraction settings. ([#51](https://github.com/jsvine/pdfplumber/pull/51) + [#475](https://github.com/jsvine/pdfplumber/issues/475)) [h/t @dustindall]
- Add `join_x_tolerance` and `join_y_tolerance` to table extraction settings. ([cbb34ce](https://github.com/jsvine/pdfplumber/commit/cbb34ce28b9b66d8d709304bbd0de267d82d75f3))
### Changed
- Upgrade `pdfminer.six` from `20200517` to `20211012`; see [that library's changelog](https://github.com/pdfminer/pdfminer.six/blob/develop/CHANGELOG.md) for details, but a key difference is an improvement in how it assigns `line`, `rect`, and `curve` objects. (Diagonal two-point lines, for instance, are now `line` objects instead of `curve` objects.) ([#515](https://github.com/jsvine/pdfplumber/pull/515))
- Remove Decimal-ization of parsed object attributes, which are now represented with as much precision as is returned by `pdfminer.six` ([#346](https://github.com/jsvine/pdfplumber/discussions/346) + [#520](https://github.com/jsvine/pdfplumber/pull/520))
- `.extract_text(...)` returns `""` instead of `None` when character list is empty. ([#482](https://github.com/jsvine/pdfplumber/issues/482) + [cb9900b](https://github.com/jsvine/pdfplumber/commit/cb9900b49706e96df520dbd1067c2a57a4cdb20d)) [h/t @tungph]
- `.extract_words(...)` now includes `doctop` among the attributes it returns for each word. ([66fef89](https://github.com/jsvine/pdfplumber/commit/66fef89b670cf95d13a5e23040c7bf9339944c01))
- Change behavior of horizontal `text_strategy`, so that it uses the top and bottom of *every* word, not just the top of every word and the bottom of the last. ([#467](https://github.com/jsvine/pdfplumber/pull/467) + [#466](https://github.com/jsvine/pdfplumber/issues/466) + [#265](https://github.com/jsvine/pdfplumber/issues/265)) [h/t @bobluda + @samkit-jain]
- Change `table.merge_edges(...)` behavior when `join_tolerance` (and `x`/`y` variants) `<= 0`, so that joining is attempted regardless, to handle cases of overlapping lines. ([cbb34ce](https://github.com/jsvine/pdfplumber/commit/cbb34ce28b9b66d8d709304bbd0de267d82d75f3))
- Raise error if certain table-extraction settings are negative. ([aa2d594](https://github.com/jsvine/pdfplumber/commit/aa2d594d3b3352dbcef503e4df2e045d69fc2511))
### Fixed
- Fix slowdown in `.extract_words(...)`/`WordExtractor.iter_chars_to_words(...)` on very long words, caused by repeatedly re-calculating bounding box. ([#483](https://github.com/jsvine/pdfplumber/discussions/483))
- Handle `UnicodeDecodeError` when trying to decode utf-16-encoded annotations ([#463](https://github.com/jsvine/pdfplumber/issues/463)) [h/t @tungph]
- Fix crash when extracting tables with null values in `(text|intersection)_(x|y)_tolerance` settings. ([#539](https://github.com/jsvine/pdfplumber/discussions/539)) [h/t @yoavxyoav]
### Removed
- Remove `pdfplumber.load(...)` method, which has been deprecated since `0.5.23` ([54cbbc5](https://github.com/jsvine/pdfplumber/commit/54cbbc5321b42f3976b2ac750c25b7b2ec6045d7))
### Development Changes
- Add `CONTRIBUTING.md` ([#428](https://github.com/jsvine/pdfplumber/pull/428))
- Enforce import order via [`isort`](https://pycqa.github.io/isort/index.html) ([d72b879](https://github.com/jsvine/pdfplumber/commit/d72b879665b410bd0f9c436d54ae60b3989489d5))
- Update Pillow and Wand versions in `requirements.txt` ([cae6924](https://github.com/jsvine/pdfplumber/commit/cae69246c53e49f95c1adbb5dffb3d49e726c5df))
- Update all dependency versions in `requirements-dev.txt` ([2f7e7ee](https://github.com/jsvine/pdfplumber/commit/2f7e7ee49172d681f34269a0db0276dffefa6386))
## [0.5.28] — 2021-05-08
### Added
- Add `--laparams` flag to CLI. ([#407](https://github.com/jsvine/pdfplumber/pull/407))
### Changed
- Change `.convert_csv(...)` to order objects first by page number, rather than object type. ([#407](https://github.com/jsvine/pdfplumber/pull/407))
- Change `.convert_csv(...)`, `.convert_json(...)`, and CLI so that, by default, they returning all available object types, rather than those in a predefined default list. ([#407](https://github.com/jsvine/pdfplumber/pull/407))
### Fixed
- Fix `.extract_text(...)` so that it can accept generator objects as its main parameter. ([#385](https://github.com/jsvine/pdfplumber/pull/385)) [h/t @alexreg]
- Fix page-parsing so that `LTAnno` objects (which have no bounding-box coordinates) are not extracted. (Was only an issue when setting `laparams`.) ([#388](https://github.com/jsvine/pdfplumber/issues/383))
- Fix `Page.extract_table(...)` so that it honors text tolerance settings ([#415](https://github.com/jsvine/pdfplumber/issues/415)) [h/t @trifling]
## [0.5.27] — 2021-02-28
### Fixed
- Fix regression (introduced in `0.5.26`/[b1849f4](https://github.com/jsvine/pdfplumber/commit/b1849f4)) in closing files opened by `PDF.open`
- Reinstate access to higher-level layout objects (such as `textboxhorizontal`) when `laparams` is passed to `pdfplumber.open(...)`. Had been removed in `0.5.24` via [1f87898](https://github.com/jsvine/pdfplumber/commit/1f878988576017b64f5cd77e1eb21b401124c699). ([#359](https://github.com/jsvine/pdfplumber/issues/359) + [#364](https://github.com/jsvine/pdfplumber/pull/364))
### Development Changes
- Add a `python setup.py build sdist` test to main GitHub action. ([#365](https://github.com/jsvine/pdfplumber/pull/365))
## [0.5.26] — 2021-02-10
### Added
- Add `Page.close/__enter__/__exit__` methods, by generalizing that behavior through the `Container` class ([b1849f4](https://github.com/jsvine/pdfplumber/commit/b1849f4))
### Changed
- Change handling of floating point numbers; no longer convert them to `Decimal` objects and do not round them
- Change `TableFinder` to return tables in order of topmost-and-then-leftmost, rather than leftmost-and-then-topmost ([#336](https://github.com/jsvine/pdfplumber/issues/336))
- Change `Page.to_image()`'s handling of alpha layer, to remove aliasing artifacts ([#340](https://github.com/jsvine/pdfplumber/pull/340)) [h/t @arlyon]
### Development Changes
- Enforce `psf/black` and `flake8` on `tests/` ([#327](https://github.com/jsvine/pdfplumber/pull/327)
## [0.5.25] — 2020-12-09
### Added
- Add new boolean argument `strict_metadata` (default `False`) to `pdfplumber.open(...)` method for handling metadata resolution failures ([f2c510d](https://github.com/jsvine/pdfplumber/commit/f2c510d))
### Fixed
- Fix metadata extraction to handle integer/floating-point values ([cb32478](https://github.com/jsvine/pdfplumber/commit/cb32478)) ([#297](https://github.com/jsvine/pdfplumber/issues/297))
- Fix metadata extraction to handle nested metadata values ([2d9415](https://github.com/jsvine/pdfplumber/commit/2d9415)) ([#316](https://github.com/jsvine/pdfplumber/issues/316))
- Explicitly load text as utf-8 in `setup.py` ([7854328](https://github.com/jsvine/pdfplumber/commit/7854328)) ([#304](https://github.com/jsvine/pdfplumber/issues/304))
- Fix `pdfplumber.open(...)` so that it does not close file objects passed to it ([408605f](https://github.com/jsvine/pdfplumber/commit/408605f)) ([#312](https://github.com/jsvine/pdfplumber/issues/312))
## [0.5.24] — 2020-10-20
### Added
- Added `extra_attrs=[...]` parameter to `.extract_text(...)` ([c8b200e](https://github.com/jsvine/pdfplumber/commit/c8b200e)) ([#28](https://github.com/jsvine/pdfplumber/issues/28))
- Added `utils/page.dedupe_chars(...)` ([04fd56a](https://github.com/jsvine/pdfplumber/commit/04fd56a) + [b132d45](https://github.com/jsvine/pdfplumber/commit/b132d45)) ([#71](https://github.com/jsvine/pdfplumber/issues/71))
### Changed
- Change character attribute `upright` from `int` to `bool` (per original `pdfminer.six` representation) ([1f87898](https://github.com/jsvine/pdfplumber/commit/1f87898))
- Remove access and reference to `Container.figures`, given that they are not fundamental objects ([8e74cb9](https://github.com/jsvine/pdfplumber/commit/8e74cb9))
### Fixed
- Decimalize "simple" `explicit_horizontal_lines`/`explicit_vertical_lines` descs passed to `TableFinder` methods ([bc40779](https://github.com/jsvine/pdfplumber/commit/bc40779)) ([#290](https://github.com/jsvine/pdfplumber/issues/290))
### Development Changes
- Refactor/simplify `Page.process_objects` ([1f87898](https://github.com/jsvine/pdfplumber/commit/1f87898)), `utils.extract_words` ([c8b200e](https://github.com/jsvine/pdfplumber/commit/c8b200e)), and `convert.serialize` ([a74d3bc](https://github.com/jsvine/pdfplumber/commit/a74d3bc))
- Remove `test_issues.py:test_pr_77` ([917467a](https://github.com/jsvine/pdfplumber/commit/917467a)) and narrow `test_ca_warn_report:test_objects` ([6233bbd](https://github.com/jsvine/pdfplumber/commit/6233bbd)) to speed up tests
## [0.5.23] — 2020-08-15
### Added
- Add `utils.resolve` (non-recursive .resolve_all) ([7a90630](https://github.com/jsvine/pdfplumber/commit/7a90630))
- Add `page.annots` and `page.hyperlinks`, replacing non-functional `page.annos`, and mirroring pdfminer's language ("annot" vs. "anno"). ([aa03961](https://github.com/jsvine/pdfplumber/commit/aa03961))
- Add `page/pdf.to_json` and `page/pdf.to_csv` ([cbc91c6](https://github.com/jsvine/pdfplumber/commit/cbc91c6))
- Add `relative=True/False` parameter to `.crop` and `.within_bbox`; those methods also now raise exceptions for invalid and out-of-page bounding boxes. ([047ad34](https://github.com/jsvine/pdfplumber/commit/047ad34)) [h/t @samkit-jain]
### Changed
- Remove `pdfminer.from_path` and `pdfminer.load` as deprecated; now `pdfminer.open` is the canonical way to load a PDF. ([00e789b](https://github.com/jsvine/pdfplumber/commit/00e789b))
- Simplify the logic in "text" table-finding strategies; in edge cases, may result in changes to results. ([d224202](https://github.com/jsvine/pdfplumber/commit/d224202))
- Drop support for Python 3.5 ([baf1033](https://github.com/jsvine/pdfplumber/commit/baf1033))
### Fixed
- Fix `.extract_words`, which had been returning incorrect results when `horizontal_ltr = False` ([d16aa13](https://github.com/jsvine/pdfplumber/commit/d16aa13))
- Fix `utils.resize_object`, which had been failing in various permutations ([d16aa13](https://github.com/jsvine/pdfplumber/commit/d16aa13))
- Fix `lines_strict` table-finding strategy, which a typo had prevented from being usable ([f0c9b85](https://github.com/jsvine/pdfplumber/commit/f0c9b85))
- Fix `utils.resolve_all` to guard against two known sources of infinite recursion ([cbc91c6](https://github.com/jsvine/pdfplumber/commit/cbc91c6))
### Development Changes
- Rename default branch to "stable," to clarify its purpose
- Reformat code with psf/black ([1258e09](https://github.com/jsvine/pdfplumber/commit/1258e09))
- Add code linting via psf/black and flake8 ([1258e09](https://github.com/jsvine/pdfplumber/commit/1258e09))
- Switch from nosetests to pytest ([1ac16dd](https://github.com/jsvine/pdfplumber/commit/1ac16dd))
- Switch from pipenv to standard requirements.txt + python -m venv ([48eaa51](https://github.com/jsvine/pdfplumber/commit/48eaa51))
- Add GitHub action for tests + codecov ([b148fd1](https://github.com/jsvine/pdfplumber/commit/b148fd1))
- Add Makefile for building development virtual environment and running tests ([4c69c58](https://github.com/jsvine/pdfplumber/commit/4c69c58))
- Add badges to README.md ([9e42dc3](https://github.com/jsvine/pdfplumber/commit/9e42dc3))
- Add Trove classifiers for Python versions to setup.py ([6946e8d](https://github.com/jsvine/pdfplumber/commit/6946e8d))
- Add MANIFEST.in ([eafc15c](https://github.com/jsvine/pdfplumber/commit/eafc15c))
- Add GitHub issue templates ([c4156d6](https://github.com/jsvine/pdfplumber/commit/c4156d6))
- Remove `pandas` from dev requirements and tests ([a5e7d7f](https://github.com/jsvine/pdfplumber/commit/a5e7d7f))
## [0.5.22] — 2020-07-18
### Changed
- Upgraded `pdfminer.six` requirement to `==20200517` ([cddbff7](https://github.com/jsvine/pdfplumber/commit/cddbff7)) [h/t @youngquan]
### Added
- Add support for `non_stroking_color` attribute on `char` objects ([0254da3](https://github.com/jsvine/pdfplumber/commit/0254da3)) [h/t @idan-david]
## [0.5.21] — 2020-05-27
### Fixed
- Fix `Page.extract_table(...)` to return `None` instead of crashing when no table is found ([d64afa8](https://github.com/jsvine/pdfplumber/commit/d64afa8)) [h/t @stucka]
## [0.5.20] — 2020-04-29
### Fixed
- Fix `.get_page_image` to prefer paths over streams, when possible ([ab957de](https://github.com/jsvine/pdfplumber/commit/ab957de)) [h/t @ubmarco]
- Local-fix pdfminer.six's `.resolve_all` to handle tuples and simplify ([85f422d](https://github.com/jsvine/pdfplumber/commit/85f422d))
### Changed
- Remove support for Python 2 and Python <3.3
## [0.5.19] — 2020-04-16
### Changed
- Add `utils.decimalize` performance improvement ([830d117](https://github.com/jsvine/pdfplumber/commit/830d117)) [h/t @ubmarco]
### Fixed
- Fix un-referenced method when using "text" table-finding strategy ([2a0c4a2](https://github.com/jsvine/pdfplumber/commit/2a0c4a2))
- Add missing object type `rect_edge` to `obj_to_edges()` ([0edc6bf](https://github.com/jsvine/pdfplumber/commit/0edc6bf))
## [0.5.18] — 2020-04-01
### Changed
- Allow `rect` and `curve` objects also to be passed to "explicit_..._lines" setting when table-finding. (And disallow other types of dicts to be passed.)
### Fixed
- Fix `utils.extract_text` bug introduced in prior version
## [0.5.17] — 2020-04-01
### Fixed
- Fix and simplify obj-in-bbox logic (see commit [25672961](https://github.com/jsvine/pdfplumber/commit/25672961))
- Improve/fix the way `utils.extract_text` handles vertical text (see commit [8a5d858b](https://github.com/jsvine/pdfplumber/commit/8a5d858b)) [h/t @dwalton76]
- Have `Page.to_image` use bytes stream instead of file path (Issue [#124](https://github.com/jsvine/pdfplumber/issues/124) / PR [#179](https://github.com/jsvine/pdfplumber/pull/179)) [h/t @cheungpat]
- Fix issue [#176](https://github.com/jsvine/pdfplumber/issues/176), in which `Page.extract_tables` did not pass kwargs to `Table.extract` [h/t @jsfenfen]
## [0.5.16] — 2020-01-12
### Fixed
- Prevent custom LAParams from raising exception (Issue [#168](https://github.com/jsvine/pdfplumber/issues/168) / PR [#169](https://github.com/jsvine/pdfplumber/pull/169)) [h/t @frascuchon]
- Add `six` as explicit dependency (for now)
## [0.5.15] — 2020-01-05
### Changed
- Upgrade `pdfminer.six` requirement to `==20200104`
- Upgrade `pillow` requirement `>=7.0.0`
- Remove Python 2.7 and 3.4 from `tox` tests
## [0.5.14] — 2019-10-06
### Fixed
- Fix sorting bug in `page.extract_table()`
- Fix support for password-protected PDFs (PR [#138](https://github.com/jsvine/pdfplumber/pull/138))
## [0.5.13] — 2019-08-29
### Fixed
- Fixed PDF object resolution for rotation (PR [#136](https://github.com/jsvine/pdfplumber/pull/136))
## [0.5.12] — 2019-04-14
### Added
- `cdecimal` support for Python 2
- Support for password-protected PDFs
## [0.5.11] — 2018-11-13
### Added
- Caching for `.decimalize()` method
### Changed
- Upgrade to `pdfminer.six==20181108`
- Make whitespace checking more robust (PR [#88](https://github.com/jsvine/pdfplumber/pull/88))
### Fixed
- Fix issue [#75](https://github.com/jsvine/pdfplumber/issues/75) (`.to_image()` custom arguments)
- Fix issue raised in PR [#77](https://github.com/jsvine/pdfplumber/pull/77) (PDFObjRef resolution), and general class of problems
- Fix issue [#90](https://github.com/jsvine/pdfplumber/issues/90), and general class of problems, by explicitly typecasting each kind of PDF Object
## [0.5.10] — 2018-08-03
### Fixed
- Fix bug in which, when calling get_page_image(...), the alpha channel could make the whole page black out.
## [0.5.9] — 2018-07-10
### Fixed
- Fix issue [#67](https://github.com/jsvine/pdfplumber/issues/67), in which bool-type metadata were handled incorrectly
## [0.5.8] — 2018-03-06
### Fixed
- Fix issue [#53](https://github.com/jsvine/pdfplumber/issues/53), in which non-decimalize-able (non_)stroking_color properties were raising errors.
## [0.5.7] — 2018-01-20
### Added
- `.travis.yml`, but failing on `.to_image()`
### Changed
- Move from defunct `pycrypto` to `pycryptodome`
- Update `pdfminer.six` to `20170720`
## [0.5.6] — 2017-11-21
### Fixed
- Fix issue [#41](https://github.com/jsvine/pdfplumber/issues/41), in which PDF-object-referenced cropboxes/mediaboxes weren't being fully resolved.
## [0.5.5] — 2017-05-10
### Added
- Access to `__version__` from main namespace
### Fixed
- Fix issue #33, by checking `decode_text`'s argument type
## [0.5.4] — 2017-04-27
### Fixed
- Pin `pdfminer.six` to version `20151013` (for now), fixing incompatibility
## [0.5.3] — 2017-02-27
### Fixed
- Allow `import pdfplumber` even if ImageMagick not installed.
## [0.5.2] — 2017-02-27
### Added
- Access to `curve` points. (E.g., `page.curves[0]["points"]`.)
- Ability for `.draw_line` to draw `curve` points.
### Changed
- Disaggregated "min_words_vertical" (default: 3) and "min_words_horizontal" (default: 1), removing "text_word_threshold".
- Internally, made `utils.decimalize` a bit more robust; now throws errors on non-decimalizable items.
- Now explicitly ignoring some (obscure) `pdfminer` object attributes.
- Raw input for `.draw_line` from a bounding box to `((x, y), (x, y))`, for consistency with `curve["points"]` and with `Pillow`'s underlying method.
### Fixed
- Fixed typo bug when `.rect_edges` is called before `.edges`
## [0.5.1] — 2017-02-26
### Added
- Quick-draw `PageImage` methods: `.draw_vline`, `.draw_vlines`, `.draw_hline`, and `.draw_hlines`.
- Boolean parameter `keep_blank_chars` for `.extract_words(...)` and `TableFinder` settings.
### Changed
- Increased default `text_tolerance` and `intersection_tolerance` TableFinder values from 1 to 3.
### Fixed
- Properly handle conversion of PDFs with transparency to `pillow` images.
- Properly handle `pandas` DataFrames as inputs to multi-draw commands (e.g., `PageImage.draw_rects(...)`).
## [0.5.0] - 2017-02-25
### Added
- Visual debugging features, via `Page.to_image(...)` and `PageImage`. (Introduces `wand` and `pillow` as package requirements.)
- More powerful options for extracting data from tables. See changes below.
### Changed
- Entirely overhaul the table-extraction methods. Now based on [Anssi Nurminen's master's thesis](http://dspace.cc.tut.fi/dpub/bitstream/handle/123456789/21520/Nurminen.pdf?sequence=3).
- Disentangle `.crop` from `.intersects_bbox` and `.within_bbox`.
- Change default `x_tolerance` and `y_tolerance` for word extraction from `5` to `3`
### Fixed
- Fix bug stemming from non-decimalized page heights. [h/t @jsfenfen]
## [0.4.6] - 2017-01-26
### Added
- Provide access to `Page.page_number`
### Changed
- Use `.page_number` instead of `.page_id` as primary identifier. [h/t @jsfenfen]
- Change default `x_tolerance` and `y_tolerance` for word extraction from `0` to `5`
### Fixed
- Provide proper support for rotated pages
## [0.4.5] - 2016-12-09
### Fixed
- Fix bug stemming from when metadata includes a PostScript literal. [h/t @boblannon]
## [0.4.4] - Mistakenly skipped
Whoops.
## [0.4.3] - 2016-04-12
### Changed
- When extracting table cells, use chars' midpoints instead of top-points.
### Fixed
- Fix find_gutters — should ignore `" "` chars
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