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Deprecate support for running svg converter from path containing newline. #17211

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Merged
merged 1 commit into from
Apr 28, 2020
Merged

Deprecate support for running svg converter from path containing newline. #17211

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4 changes: 4 additions & 0 deletions doc/api/api_changes_3.3/deprecations.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -487,3 +487,7 @@ of all renderer classes is deprecated.

`.transforms.AffineDeltaTransform` can be used as a replacement. This API is
experimental and may change in the future.

``testing.compare.make_external_conversion_command``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
... is deprecated.
9 changes: 7 additions & 2 deletions lib/matplotlib/testing/compare.py
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@@ -1,6 +1,5 @@
"""
Provides a collection of utilities for comparing (image) results.

Utilities for comparing image results.
"""

import atexit
Expand All @@ -17,6 +16,7 @@
import PIL

import matplotlib as mpl
from matplotlib import cbook
from matplotlib.testing.exceptions import ImageComparisonFailure

__all__ = ['compare_images', 'comparable_formats']
Expand Down Expand Up @@ -55,6 +55,7 @@ def get_file_hash(path, block_size=2 ** 20):
return md5.hexdigest()


@cbook.deprecated("3.3")
def make_external_conversion_command(cmd):
def convert(old, new):
cmdline = cmd(old, new)
Expand Down Expand Up @@ -194,6 +195,10 @@ def __call__(self, orig, dest):
# our encoding is even ASCII compatible... Just fall back on the
# slow solution (Inkscape uses `fgets` so it will always stop at a
# newline).
cbook.warn_deprecated(
"3.3", message="Support for converting files from paths "
"containing a newline is deprecated since %(since)s and "
"support will be removed %(removal)s")
return make_external_conversion_command(lambda old, new: [
'inkscape', '-z', old, '--export-png', new])(orig, dest)
self._proc.stdin.write(orig_b + b" --export-png=" + dest_b + b"\n")
Expand Down