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default hash savefig format #160

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84dfe32
default hash savefig format
bjlittle May 21, 2022
693893b
pin to mpl=3.5.1
bjlittle May 21, 2022
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6 changes: 6 additions & 0 deletions pytest_mpl/plugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,9 @@

from pytest_mpl.summary.html import generate_summary_basic_html, generate_summary_html

#: The default savefig format when generating an image hash.
DEFAULT_FORMAT = 'png'

SUPPORTED_FORMATS = {'html', 'json', 'basic-html'}

SHAPE_MISMATCH_ERROR = """Error: Image dimensions did not match.
Expand Down Expand Up @@ -416,6 +419,9 @@ def generate_image_hash(self, item, fig):
compare = self.get_compare(item)
savefig_kwargs = compare.kwargs.get('savefig_kwargs', {})

if 'format' not in savefig_kwargs:
savefig_kwargs['format'] = DEFAULT_FORMAT

imgdata = io.BytesIO()

fig.savefig(imgdata, **savefig_kwargs)
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2 changes: 1 addition & 1 deletion tox.ini
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Expand Up @@ -26,7 +26,7 @@ deps =
mpl32: matplotlib==3.2.*
mpl33: matplotlib==3.3.*
mpl34: matplotlib==3.4.*
mpl35: matplotlib==3.5.*
mpl35: matplotlib==3.5.1
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@ConorMacBride We should make an issue to unpin this, right?

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We no longer need to change this.

mpldev: git+https://github.com/matplotlib/matplotlib.git#egg=matplotlib
extras =
test
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