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COMPATIBILITY.txt
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COMPATIBILITY.txt
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PyExifTool does not guarantee source-level compatibility from one release to the next.
That said, efforts will be made to provide well-documented API-level compatibility,
and if there are major API changes, migration documentation will be provided, when
possible.
----
v0.1.x - v0.2.0 = smarnach code, API compatible
v0.2.1 - v0.4.13 = original v0.2 code with all PRs, a superset of functionality on Exiftool class
v0.5.0 - = not API compatible with the v0.4.x series. Broke down functionality stability by classes. See comments below:
----
API changes between v0.4.x and v0.5.0:
PYTHON CHANGE: Old: Python 2.6 supported. New: Python 3.6+ required
CHANGED: Exiftool constructor:
RENAME: "executable_" parameter to "executable"
DEFAULT BEHAVIOR: "common_args" defaults to ["-G", "-n"] instead of None. Old behavior set -G and -n if "common_args" is None. New behavior "common_args" = [] if common_args is None.
DEFAULT: Old: "win_shell" defaults to True. New: "win_shell" defaults to False.
NEW: "encoding" parameter
NEW: "logger" parameter
NEW PROPERTY GET/SET: a lot of properties were added to do get/set validation, and parameters can be changed outside of the constructor.
METHOD RENAME: starting the process was renamed from "start" to "run"
MINIMUM TOOL VERSION: exiftool command line utility minimum requirements. Old: 8.60. New: 12.15
ENCODING CHANGE: execute() and execute_json() no longer take bytes, but is guided by the encoding set in constructor/property
ERROR CHANGE: execute_json() when no json was not returned (such as a set metadata operation) => Old: raised an error. New: returns custom ExifToolException
FEATURE REMOVAL: execute_json() no longer detects the '-w' flag being passed used in common_args.
If a user uses this flag, expect no output.
(detection in common_args was clunky anyways because -w can be passed as a per-run param for the same effect)
all methods other than execute() and execute_json() moved to ExifToolHelper or ExifToolAlpha class.
ExifToolHelper adds methods:
get_metadata()
get_tags()
NEW CONVENTION: all methods take "files" first, "tags" second (if needed) and "params" last
ExifToolAlpha adds all remaining methods in an alpha-quality way
NOTE: ExifToolAlpha has not been updated yet to use the new convention, and the edge case code may be removed/changed at any time.
If you depend on functionality provided by ExifToolAlpha, please submit an Issue to start a discussion on cleaning up the code and moving it into ExifToolHelper
----