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Make classic testing work correctly · matplotlib/matplotlib@baa2b6e · GitHub

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  2. matplotlib

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mdboom
committed
Make classic testing work correctly
Fix failures in #5416
1 parent 174f9d8 commit baa2b6e

11 files changed

Lines changed: 969 additions & 782 deletions

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‎lib/matplotlib/afm.py‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -523,6 +523,10 @@ def get_familyname(self):
523523
br'light|ultralight|extra|condensed))+$')
524524
return re.sub(extras, '', name)
525525

526+
@property
527+
def family_name(self):
528+
return self.get_familyname()
529+
526530
def get_weight(self):
527531
"Return the font weight, e.g., 'Bold' or 'Roman'"
528532
return self._header[b'Weight']

‎lib/matplotlib/mathtext.py‎

Lines changed: 127 additions & 70 deletions
Original file line numberDiff line numberDiff line change
@@ -1240,58 +1240,115 @@ def get_underline_thickness(self, font, fontsize, dpi):
12401240
# The number of different sizes of chars to use, beyond which they will not
12411241
# get any smaller
12421242
NUM_SIZE_LEVELS = 6
1243-
# Percentage of x-height of additional horiz. space after sub/superscripts
1244-
SCRIPT_SPACE = {'cm': 0.075,
1245-
'stix': 0.10,
1246-
'stixsans': 0.05,
1247-
'dejavuserif': 0.05,
1248-
'dejavusans': 0.05}
1249-
## Percentage of x-height that sub/superscripts drop below the baseline
1250-
SUBDROP = {'cm': 0.2,
1251-
'stix': 0.4,
1252-
'stixsans': 0.4,
1253-
'dejavuserif': 0.4,
1254-
'dejavusans': 0.4}
1255-
# Percentage of x-height that superscripts are raised from the baseline
1256-
SUP1 = {'cm': 0.45,
1257-
'stix': 0.8,
1258-
'stixsans': 0.8,
1259-
'dejavuserif': 0.7,
1260-
'dejavusans': 0.7}
1261-
# Percentage of x-height that subscripts drop below the baseline
1262-
SUB1 = {'cm': 0.2,
1263-
'stix': 0.3,
1264-
'stixsans': 0.3,
1265-
'dejavuserif': 0.3,
1266-
'dejavusans': 0.3}
1267-
# Percentage of x-height that subscripts drop below the baseline when a
1268-
# superscript is present
1269-
SUB2 = {'cm': 0.3,
1270-
'stix': 0.6,
1271-
'stixsans': 0.5,
1272-
'dejavuserif': 0.5,
1273-
'dejavusans': 0.5}
1274-
# Percentage of x-height that sub/supercripts are offset relative to the
1275-
# nucleus edge for non-slanted nuclei
1276-
DELTA = {'cm': 0.075,
1277-
'stix': 0.05,
1278-
'stixsans': 0.025,
1279-
'dejavuserif': 0.025,
1280-
'dejavusans': 0.025}
1281-
# Additional percentage of last character height above 2/3 of the x-height that
1282-
# supercripts are offset relative to the subscript for slanted nuclei
1283-
DELTASLANTED = {'cm': 0.3,
1284-
'stix': 0.3,
1285-
'stixsans': 0.6,
1286-
'dejavuserif': 0.2,
1287-
'dejavusans': 0.2}
1288-
# Percentage of x-height that supercripts and subscripts are offset for
1289-
# integrals
1290-
DELTAINTEGRAL = {'cm': 0.3,
1291-
'stix': 0.3,
1292-
'stixsans': 0.3,
1293-
'dejavuserif': 0.1,
1294-
'dejavusans': 0.1}
1243+
1244+
1245+
class FontConstantsBase(object):
1246+
"""
1247+
A set of constants that controls how certain things, such as sub-
1248+
and superscripts are laid out. These are all metrics that can't
1249+
be reliably retrieved from the font metrics in the font itself.
1250+
"""
1251+
# Percentage of x-height of additional horiz. space after sub/superscripts
1252+
script_space = 0.05
1253+
1254+
# Percentage of x-height that sub/superscripts drop below the baseline
1255+
subdrop = 0.4
1256+
1257+
# Percentage of x-height that superscripts are raised from the baseline
1258+
sup1 = 0.7
1259+
1260+
# Percentage of x-height that subscripts drop below the baseline
1261+
sub1 = 0.3
1262+
1263+
# Percentage of x-height that subscripts drop below the baseline when a
1264+
# superscript is present
1265+
sub2 = 0.5
1266+
1267+
# Percentage of x-height that sub/supercripts are offset relative to the
1268+
# nucleus edge for non-slanted nuclei
1269+
delta = 0.025
1270+
1271+
# Additional percentage of last character height above 2/3 of the
1272+
# x-height that supercripts are offset relative to the subscript
1273+
# for slanted nuclei
1274+
delta_slanted = 0.2
1275+
1276+
# Percentage of x-height that supercripts and subscripts are offset for
1277+
# integrals
1278+
delta_integral = 0.1
1279+
1280+
1281+
class ComputerModernFontConstants(FontConstantsBase):
1282+
script_space = 0.075
1283+
subdrop = 0.2
1284+
sup1 = 0.45
1285+
sub1 = 0.2
1286+
sub2 = 0.3
1287+
delta = 0.075
1288+
delta_slanted = 0.3
1289+
delta_integral = 0.3
1290+
1291+
1292+
class STIXFontConstants(FontConstantsBase):
1293+
script_space = 0.1
1294+
sup1 = 0.8
1295+
sub2 = 0.6
1296+
delta = 0.05
1297+
delta_slanted = 0.3
1298+
delta_integral = 0.3
1299+
1300+
1301+
class STIXSansFontConstants(FontConstantsBase):
1302+
script_space = 0.05
1303+
sup1 = 0.8
1304+
delta_slanted = 0.6
1305+
delta_integral = 0.3
1306+
1307+
1308+
class DejaVuSerifFontConstants(FontConstantsBase):
1309+
pass
1310+
1311+
1312+
class DejaVuSansFontConstants(FontConstantsBase):
1313+
pass
1314+
1315+
1316+
# Maps font family names to the FontConstantBase subclass to use
1317+
_font_constant_mapping = {
1318+
'DejaVu Sans': DejaVuSansFontConstants,
1319+
'DejaVu Sans Mono': DejaVuSansFontConstants,
1320+
'DejaVu Serif': DejaVuSerifFontConstants,
1321+
'cmb10': ComputerModernFontConstants,
1322+
'cmex10': ComputerModernFontConstants,
1323+
'cmmi10': ComputerModernFontConstants,
1324+
'cmr10': ComputerModernFontConstants,
1325+
'cmss10': ComputerModernFontConstants,
1326+
'cmsy10': ComputerModernFontConstants,
1327+
'cmtt10': ComputerModernFontConstants,
1328+
'STIXGeneral': STIXFontConstants,
1329+
'STIXNonUnicode': STIXFontConstants,
1330+
'STIXSizeFiveSym': STIXFontConstants,
1331+
'STIXSizeFourSym': STIXFontConstants,
1332+
'STIXSizeThreeSym': STIXFontConstants,
1333+
'STIXSizeTwoSym': STIXFontConstants,
1334+
'STIXSizeOneSym': STIXFontConstants,
1335+
# Map the fonts we used to ship, just for good measure
1336+
'Bitstream Vera Sans': DejaVuSansFontConstants,
1337+
'Bitstream Vera': DejaVuSansFontConstants,
1338+
}
1339+
1340+
1341+
def _get_font_constant_set(state):
1342+
constants = _font_constant_mapping.get(
1343+
state.font_output._get_font(state.font).family_name,
1344+
FontConstantsBase)
1345+
# STIX sans isn't really its own fonts, just different code points
1346+
# in the STIX fonts, so we have to detect this one separately.
1347+
if (constants is STIXFontConstants and
1348+
isinstance(state.font_output, StixSansFonts)):
1349+
return STIXSansFontConstants
1350+
return constants
1351+
12951352

12961353
class MathTextWarning(Warning):
12971354
pass
@@ -2873,25 +2930,24 @@ def subsuper(self, s, loc, toks):
28732930
nucleus = Hlist([nucleus])
28742931

28752932
# Handle regular sub/superscripts
2876-
2877-
fs = rcParams['mathtext.fontset']
2878-
if fs == 'custom':
2879-
fs = 'dejavusans'
2880-
2933+
constants = _get_font_constant_set(state)
28812934
lc_height = last_char.height
28822935
lc_baseline = 0
28832936
if self.is_dropsub(last_char):
28842937
lc_baseline = last_char.depth
28852938

28862939
# Compute kerning for sub and super
2887-
superkern = DELTA[fs] * xHeight
2888-
subkern = DELTA[fs] * xHeight
2940+
superkern = constants.delta * xHeight
2941+
subkern = constants.delta * xHeight
28892942
if self.is_slanted(last_char):
2890-
superkern += DELTA[fs] * xHeight
2891-
superkern += DELTASLANTED[fs] * (lc_height - xHeight * 2. / 3.)
2943+
superkern += constants.delta * xHeight
2944+
superkern += (constants.delta_slanted *
2945+
(lc_height - xHeight * 2. / 3.))
28922946
if self.is_dropsub(last_char):
2893-
subkern = (3 * DELTA[fs] - DELTAINTEGRAL[fs]) * lc_height
2894-
superkern = (3 * DELTA[fs] + DELTAINTEGRAL[fs]) * lc_height
2947+
subkern = (3 * constants.delta -
2948+
constants.delta_integral) * lc_height
2949+
superkern = (3 * constants.delta +
2950+
constants.delta_integral) * lc_height
28952951
else:
28962952
subkern = 0
28972953

@@ -2900,26 +2956,26 @@ def subsuper(self, s, loc, toks):
29002956
x = Hlist([Kern(subkern), sub])
29012957
x.shrink()
29022958
if self.is_dropsub(last_char):
2903-
shift_down = lc_baseline + SUBDROP[fs] * xHeight
2959+
shift_down = lc_baseline + constants.subdrop * xHeight
29042960
else:
2905-
shift_down = SUB1[fs] * xHeight
2961+
shift_down = constants.sub1 * xHeight
29062962
x.shift_amount = shift_down
29072963
else:
29082964
x = Hlist([Kern(superkern), super])
29092965
x.shrink()
29102966
if self.is_dropsub(last_char):
2911-
shift_up = lc_height - SUBDROP[fs] * xHeight
2967+
shift_up = lc_height - constants.subdrop * xHeight
29122968
else:
2913-
shift_up = SUP1[fs] * xHeight
2969+
shift_up = constants.sup1 * xHeight
29142970
if sub is None:
29152971
x.shift_amount = -shift_up
29162972
else: # Both sub and superscript
29172973
y = Hlist([Kern(subkern),sub])
29182974
y.shrink()
29192975
if self.is_dropsub(last_char):
2920-
shift_down = lc_baseline + SUBDROP[fs] * xHeight
2976+
shift_down = lc_baseline + constants.subdrop * xHeight
29212977
else:
2922-
shift_down = SUB2[fs] * xHeight
2978+
shift_down = constants.sub2 * xHeight
29232979
# If sub and superscript collide, move super up
29242980
clr = (2.0 * rule_thickness -
29252981
((shift_up - x.depth) - (y.height - shift_down)))
@@ -2931,8 +2987,9 @@ def subsuper(self, s, loc, toks):
29312987
x.shift_amount = shift_down
29322988

29332989
if not self.is_dropsub(last_char):
2934-
x.width += SCRIPT_SPACE[fs] * xHeight
2990+
x.width += constants.script_space * xHeight
29352991
result = Hlist([nucleus, x])
2992+
29362993
return [result]
29372994

29382995
def _genfrac(self, ldelim, rdelim, rule, style, num, den):

‎lib/matplotlib/mpl-data/stylelib/classic.mplstyle‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -76,11 +76,11 @@ font.stretch : normal
7676
# relative to font.size, using the following values: xx-small, x-small,
7777
# small, medium, large, x-large, xx-large, larger, or smaller
7878
font.size : 12.0
79-
font.serif : Bitstream Vera Serif, DejaVu Serif, New Century Schoolbook, Century Schoolbook L, Utopia, ITC Bookman, Bookman, Nimbus Roman No9 L, Times New Roman, Times, Palatino, Charter, serif
80-
font.sans-serif: Bitstream Vera Sans, DejaVu Sans, Lucida Grande, Verdana, Geneva, Lucid, Arial, Helvetica, Avant Garde, sans-serif
79+
font.serif : DejaVu Serif, New Century Schoolbook, Century Schoolbook L, Utopia, ITC Bookman, Bookman, Nimbus Roman No9 L, Times New Roman, Times, Palatino, Charter, serif
80+
font.sans-serif: DejaVu Sans, Lucida Grande, Verdana, Geneva, Lucid, Arial, Helvetica, Avant Garde, sans-serif
8181
font.cursive : Apple Chancery, Textile, Zapf Chancery, Sand, Script MT, Felipa, cursive
8282
font.fantasy : Comic Sans MS, Chicago, Charcoal, ImpactWestern, Humor Sans, fantasy
83-
font.monospace : Bitstream Vera Sans Mono, DejaVu Sans Mono, Andale Mono, Nimbus Mono L, Courier New, Courier, Fixed, Terminal, monospace
83+
font.monospace : DejaVu Sans Mono, Andale Mono, Nimbus Mono L, Courier New, Courier, Fixed, Terminal, monospace
8484

8585
### TEXT
8686
# text properties used by text.Text. See

‎lib/matplotlib/testing/decorators.py‎

Lines changed: 23 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@
2222
from matplotlib import ticker
2323
from matplotlib import pyplot as plt
2424
from matplotlib import ft2font
25+
from matplotlib import rcParams
2526
from matplotlib.testing.noseclasses import KnownFailureTest, \
2627
KnownFailureDidNotFailTest, ImageComparisonFailure
2728
from matplotlib.testing.compare import comparable_formats, compare_images, \
@@ -109,18 +110,27 @@ def tearDownClass(cls):
109110
cls.original_settings)
110111

111112

112-
def cleanup(func):
113-
@functools.wraps(func)
114-
def wrapped_function(*args, **kwargs):
115-
original_units_registry = matplotlib.units.registry.copy()
116-
original_settings = mpl.rcParams.copy()
117-
try:
118-
func(*args, **kwargs)
119-
finally:
120-
_do_cleanup(original_units_registry,
121-
original_settings)
113+
def cleanup(style=None):
114+
def make_cleanup(func):
115+
@functools.wraps(func)
116+
def wrapped_function(*args, **kwargs):
117+
original_units_registry = matplotlib.units.registry.copy()
118+
original_settings = mpl.rcParams.copy()
119+
matplotlib.style.use(style)
120+
try:
121+
func(*args, **kwargs)
122+
finally:
123+
_do_cleanup(original_units_registry,
124+
original_settings)
122125

123-
return wrapped_function
126+
return wrapped_function
127+
128+
if isinstance(style, six.string_types):
129+
return make_cleanup
130+
else:
131+
result = make_cleanup(style)
132+
style = 'classic'
133+
return result
124134

125135

126136
def check_freetype_version(ver):
@@ -138,6 +148,7 @@ def check_freetype_version(ver):
138148
class ImageComparisonTest(CleanupTest):
139149
@classmethod
140150
def setup_class(cls):
151+
CleanupTest.setup_class()
141152
cls._initial_settings = mpl.rcParams.copy()
142153
try:
143154
matplotlib.style.use(cls._style)
@@ -146,11 +157,8 @@ def setup_class(cls):
146157
mpl.rcParams.clear()
147158
mpl.rcParams.update(cls._initial_settings)
148159
raise
149-
# Because the setup of a CleanupTest might involve
150-
# modifying a few rcparams, this setup should come
151-
# last prior to running the image test.
152-
CleanupTest.setup_class()
153160
cls.original_settings = cls._initial_settings
161+
matplotlib.tests.set_font_settings_for_testing()
154162
cls._func()
155163

156164
@classmethod

‎lib/matplotlib/tests/__init__.py‎

Lines changed: 8 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,12 @@
2222
'test data.')
2323

2424

25+
def set_font_settings_for_testing():
26+
rcParams['font.family'] = 'DejaVu Sans'
27+
rcParams['text.hinting'] = False
28+
rcParams['text.hinting_factor'] = 8
29+
30+
2531
def setup():
2632
# The baseline images are created in this locale, so we should use
2733
# it during all of the tests.
@@ -45,9 +51,8 @@ def setup():
4551
# tests and are not necessarily the default values as specified in
4652
# rcsetup.py
4753
rcdefaults() # Start with all defaults
48-
rcParams['font.family'] = 'DejaVu Sans'
49-
rcParams['text.hinting'] = False
50-
rcParams['text.hinting_factor'] = 8
54+
55+
set_font_settings_for_testing()
5156

5257

5358
def assert_str_equal(reference_str, test_str,

‎lib/matplotlib/tests/baseline_images/test_axes/symlog.pdf‎

-12 Bytes
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‎lib/matplotlib/tests/baseline_images/test_axes/symlog.png‎

-148 Bytes
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