[yt-svn] commit/yt: 2 new changesets
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commits-noreply at bitbucket.org
Tue Jan 29 04:42:31 PST 2013
2 new commits in yt:
https://bitbucket.org/yt_analysis/yt/commits/ca1589adc8e6/
changeset: ca1589adc8e6
branch: yt
user: xarthisius
date: 2013-01-29 08:32:46
summary: Get rid of libmagic dependency for plotwindow tests. Yield tests
affected #: 1 file
diff -r 597ce0513a71c07d1fe023d375d2ea31ae0ac24c -r ca1589adc8e6360795669277a0548b657f1e475c yt/visualization/tests/test_plotwindow.py
--- a/yt/visualization/tests/test_plotwindow.py
+++ b/yt/visualization/tests/test_plotwindow.py
@@ -23,23 +23,14 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import os
-import sys
import tempfile
import shutil
from yt.testing import \
- fake_random_pf
+ fake_random_pf, assert_equal
from yt.mods import \
SlicePlot, ProjectionPlot, OffAxisSlicePlot, OffAxisProjectionPlot
-EXT_TO_TYPE = {
- '.ps': 'PostScript document text conforming DSC level 3.0',
- '.eps': 'PostScript document text conforming DSC level 3.0, type EPS',
- '.pdf': 'PDF document, version 1.4',
- '.png': 'PNG image data, 1070 x 1000, 8-bit/color RGBA, non-interlaced'
-}
-
-
def setup():
"""Test specific setup."""
from yt.config import ytcfg
@@ -51,19 +42,24 @@
if fname is None:
return
- try:
- import magic
- except ImportError:
- # OS X doesn't come with libmagic
- pass
+ with open(fname, 'rb') as fimg:
+ data = fimg.read()
+ data = str(data)
+ image_type = ''
- if 'magic' in sys.modules:
- ext = os.path.splitext(fname)[1]
- mds = magic.open(magic.MAGIC_NONE)
- mds.load()
- magic_text = mds.file(fname)
- mds.close()
- assert magic_text == EXT_TO_TYPE[ext]
+ if data.startswith('\211PNG\r\n\032\n'):
+ image_type = '.png'
+ elif data.startswith('\377\330'):
+ image_type = '.jpeg'
+ elif data.startswith('%!PS-Adobe'):
+ if 'EPSF' in data[:data.index('\n')]:
+ image_type = '.eps'
+ else:
+ image_type = '.ps'
+ elif data.startswith('%PDF'):
+ image_type = '.pdf'
+
+ return image_type == os.path.splitext(fname)[1]
def test_plotwindow():
@@ -81,16 +77,16 @@
for fname in test_flnms:
for dim in [0, 1, 2]:
obj = SlicePlot(test_pf, dim, 'Density')
- assert_fname(obj.save(fname)[0])
+ yield assert_equal, assert_fname(obj.save(fname)[0]), True
obj = ProjectionPlot(test_pf, dim, 'Density')
- assert_fname(obj.save(fname)[0])
+ yield assert_equal, assert_fname(obj.save(fname)[0]), True
obj = OffAxisSlicePlot(test_pf, normal, 'Density')
- assert_fname(obj.save(fname)[0])
+ yield assert_equal, assert_fname(obj.save(fname)[0]), True
obj = OffAxisProjectionPlot(test_pf, normal, 'Density')
- assert_fname(obj.save(fname)[0])
+ yield assert_equal, assert_fname(obj.save(fname)[0]), True
os.chdir(curdir)
# clean up
https://bitbucket.org/yt_analysis/yt/commits/0514b030f647/
changeset: 0514b030f647
branch: yt
user: xarthisius
date: 2013-01-29 08:55:03
summary: [test_plotwindow:assert_fname] Add links explaining hardcoded magic numbers
affected #: 1 file
diff -r ca1589adc8e6360795669277a0548b657f1e475c -r 0514b030f6479c0adb75df5bf3da7ab7310caa91 yt/visualization/tests/test_plotwindow.py
--- a/yt/visualization/tests/test_plotwindow.py
+++ b/yt/visualization/tests/test_plotwindow.py
@@ -47,8 +47,10 @@
data = str(data)
image_type = ''
+ # see http://www.w3.org/TR/PNG/#5PNG-file-signature
if data.startswith('\211PNG\r\n\032\n'):
image_type = '.png'
+ # see http://www.mathguide.de/info/tools/media-types/image/jpeg
elif data.startswith('\377\330'):
image_type = '.jpeg'
elif data.startswith('%!PS-Adobe'):
Repository URL: https://bitbucket.org/yt_analysis/yt/
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