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Merge pull request #9938 from anntzer/more-unused-imports
Cleanup imports.
2 parents 53d3864 + 23bd9df commit 64874e5

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‎doc/api/api_changes/2017-12-06-imports-AL.rst

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Removal of unused imports
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`````````````````````````
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Many unused imports were removed from the codebase. As a result,
4+
trying to import certain classes or functions from the "wrong" module
5+
(e.g. `~.Figure` from :mod:`matplotlib.backends.backend_agg` instead of
6+
:mod:`matplotlib.figure`) will now raise an `ImportError`.

‎lib/matplotlib/afm.py

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@@ -41,7 +41,6 @@
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from six.moves import map
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import sys
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import os
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import re
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from ._mathtext_data import uni2type1
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‎lib/matplotlib/animation.py

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@@ -23,33 +23,31 @@
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import six
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from six.moves import xrange, zip
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import numpy as np
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import abc
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import contextlib
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import itertools
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import logging
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import os
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import platform
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import sys
30-
import itertools
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try:
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# python3
33-
from base64 import encodebytes
34-
except ImportError:
35-
# python2
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from base64 import encodestring as encodebytes
37-
import abc
38-
import contextlib
3933
import tempfile
4034
import uuid
41-
import warnings
42-
import logging
35+
36+
import numpy as np
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4438
from matplotlib._animation_data import (DISPLAY_TEMPLATE, INCLUDED_FRAMES,
4539
JS_INCLUDE)
4640
from matplotlib.cbook import iterable, deprecated
4741
from matplotlib.compat import subprocess
4842
from matplotlib import rcParams, rcParamsDefault, rc_context
49-
if sys.version_info < (3, 0):
50-
from cStringIO import StringIO as InMemory
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44+
if six.PY2:
45+
from base64 import encodestring as encodebytes
46+
from cStringIO import StringIO as BytesIO
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else:
52-
from io import BytesIO as InMemory
48+
from base64 import encodebytes
49+
from io import BytesIO
50+
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_log = logging.getLogger(__name__)
5553

@@ -870,7 +868,7 @@ def grab_frame(self, **savefig_kwargs):
870868
if self._hit_limit:
871869
return
872870
suffix = '.' + self.frame_format
873-
f = InMemory()
871+
f = BytesIO()
874872
self.fig.savefig(f, format=self.frame_format,
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dpi=self.dpi, **savefig_kwargs)
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imgdata64 = encodebytes(f.getvalue()).decode('ascii')

‎lib/matplotlib/axes/_subplots.py

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@@ -9,9 +9,6 @@
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import matplotlib.artist as martist
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from matplotlib.axes._axes import Axes
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12-
import warnings
13-
from matplotlib.cbook import mplDeprecation
14-
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1613
class SubplotBase(object):
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"""

‎lib/matplotlib/backend_bases.py

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@@ -49,23 +49,13 @@
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from weakref import WeakKeyDictionary
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import numpy as np
52-
import matplotlib.cbook as cbook
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import matplotlib.colors as colors
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import matplotlib.transforms as transforms
55-
import matplotlib.widgets as widgets
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from matplotlib import rcParams
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from matplotlib import is_interactive
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from matplotlib import get_backend
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from matplotlib import lines
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from matplotlib._pylab_helpers import Gcf
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53+
from matplotlib import (
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backend_tools as tools, cbook, colors, textpath, tight_bbox, transforms,
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widgets, get_backend, is_interactive, rcParams)
56+
from matplotlib._pylab_helpers import Gcf
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from matplotlib.transforms import Bbox, TransformedBbox, Affine2D
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import matplotlib.tight_bbox as tight_bbox
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import matplotlib.textpath as textpath
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from matplotlib.path import Path
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from matplotlib.cbook import warn_deprecated
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import matplotlib.backend_tools as tools
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try:
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from PIL import Image
@@ -2383,7 +2373,7 @@ def on_press(event):
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"""
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if s == 'idle_event':
2386-
warn_deprecated(1.5,
2376+
cbook.warn_deprecated(1.5,
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"idle_event is only implemented for the wx backend, and will "
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"be removed in matplotlib 2.1. Use the animations module "
23892379
"instead.")

‎lib/matplotlib/backends/backend_agg.py

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@@ -31,7 +31,6 @@
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from matplotlib import cbook, rcParams, __version__
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from matplotlib.backend_bases import (
3333
_Backend, FigureCanvasBase, FigureManagerBase, RendererBase, cursors)
34-
from matplotlib.figure import Figure
3534
from matplotlib.font_manager import findfont, get_font
3635
from matplotlib.ft2font import (LOAD_FORCE_AUTOHINT, LOAD_NO_HINTING,
3736
LOAD_DEFAULT, LOAD_NO_AUTOHINT)

‎lib/matplotlib/backends/backend_cairo.py

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@@ -24,7 +24,6 @@
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import six
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import gzip
27-
import os
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import sys
2928
import warnings
3029

@@ -54,10 +53,9 @@
5453
from matplotlib.backend_bases import (
5554
_Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
5655
RendererBase)
57-
from matplotlib.figure import Figure
5856
from matplotlib.mathtext import MathTextParser
5957
from matplotlib.path import Path
60-
from matplotlib.transforms import Bbox, Affine2D
58+
from matplotlib.transforms import Affine2D
6159
from matplotlib.font_manager import ttfFontProperty
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‎lib/matplotlib/backends/backend_gdk.py

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@@ -3,9 +3,6 @@
33

44
import six
55

6-
import math
7-
import os
8-
import sys
96
import warnings
107

118
import gobject
@@ -27,7 +24,6 @@
2724
_Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
2825
RendererBase)
2926
from matplotlib.cbook import warn_deprecated
30-
from matplotlib.figure import Figure
3127
from matplotlib.mathtext import MathTextParser
3228
from matplotlib.transforms import Affine2D
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from matplotlib.backends._backend_gdk import pixbuf_get_pixels_array

‎lib/matplotlib/backends/backend_gtk3.py

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@@ -8,15 +8,12 @@
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import sys
99

1010
import matplotlib
11-
from matplotlib import (
12-
backend_tools, cbook, colors as mcolors, lines, rcParams)
11+
from matplotlib import backend_tools, rcParams
1312
from matplotlib._pylab_helpers import Gcf
1413
from matplotlib.backend_bases import (
15-
_Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
16-
NavigationToolbar2, RendererBase, StatusbarBase, TimerBase,
17-
ToolContainerBase, cursors)
14+
_Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2,
15+
StatusbarBase, TimerBase, ToolContainerBase, cursors)
1816
from matplotlib.backend_managers import ToolManager
19-
from matplotlib.cbook import is_writable_file_like
2017
from matplotlib.figure import Figure
2118
from matplotlib.widgets import SubplotTool
2219
from ._gtk3_compat import GLib, GObject, Gtk, Gdk

‎lib/matplotlib/backends/backend_gtk3agg.py

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from . import backend_agg, backend_gtk3
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from .backend_cairo import cairo, HAS_CAIRO_CFFI
1111
from .backend_gtk3 import _BackendGTK3
12-
from matplotlib.figure import Figure
1312
from matplotlib import transforms
1413

1514
if six.PY3 and not HAS_CAIRO_CFFI:

‎lib/matplotlib/backends/backend_gtk3cairo.py

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@@ -7,7 +7,6 @@
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from .backend_cairo import cairo, HAS_CAIRO_CFFI
88
from .backend_gtk3 import _BackendGTK3
99
from matplotlib.backend_bases import cursors
10-
from matplotlib.figure import Figure
1110

1211

1312
class RendererGTK3Cairo(backend_cairo.RendererCairo):

‎lib/matplotlib/backends/backend_gtkagg.py

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@@ -6,10 +6,7 @@
66

77
import six
88

9-
import os
10-
119
import matplotlib
12-
from matplotlib.figure import Figure
1310
from matplotlib.backends.backend_agg import FigureCanvasAgg
1411
from matplotlib.backends.backend_gtk import (
1512
gtk, _BackendGTK, FigureCanvasGTK, FigureManagerGTK, NavigationToolbar2GTK,

‎lib/matplotlib/backends/backend_macosx.py

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@@ -16,7 +16,7 @@
1616
import matplotlib
1717
from matplotlib.backends import _macosx
1818

19-
from .backend_agg import RendererAgg, FigureCanvasAgg
19+
from .backend_agg import FigureCanvasAgg
2020

2121

2222
########################################################################

‎lib/matplotlib/backends/backend_nbagg.py

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@@ -3,15 +3,13 @@
33
# lib/matplotlib/backends/web_backend/nbagg_uat.ipynb to help verify
44
# that changes made maintain expected behaviour.
55

6-
import datetime
6+
import six
7+
78
from base64 import b64encode
8-
import json
99
import io
10+
import json
1011
import os
11-
import six
12-
from uuid import uuid4 as uuid
13-
14-
import tornado.ioloop
12+
import uuid
1513

1614
from IPython.display import display, Javascript, HTML
1715
try:
@@ -23,19 +21,11 @@
2321

2422
from matplotlib import rcParams, is_interactive
2523
from matplotlib._pylab_helpers import Gcf
24+
from matplotlib.backend_bases import (
25+
_Backend, FigureCanvasBase, NavigationToolbar2)
2626
from matplotlib.backends.backend_webagg_core import (
2727
FigureCanvasWebAggCore, FigureManagerWebAgg, NavigationToolbar2WebAgg,
2828
TimerTornado)
29-
from matplotlib.backend_bases import (
30-
_Backend, FigureCanvasBase, NavigationToolbar2)
31-
from matplotlib.figure import Figure
32-
from matplotlib import is_interactive
33-
from matplotlib.backends.backend_webagg_core import (FigureManagerWebAgg,
34-
FigureCanvasWebAggCore,
35-
NavigationToolbar2WebAgg,
36-
TimerTornado)
37-
from matplotlib.backend_bases import (ShowBase, NavigationToolbar2,
38-
FigureCanvasBase)
3929

4030

4131
def connection_info():
@@ -174,7 +164,7 @@ class CommSocket(object):
174164
def __init__(self, manager):
175165
self.supports_binary = None
176166
self.manager = manager
177-
self.uuid = str(uuid())
167+
self.uuid = str(uuid.uuid4())
178168
# Publish an output area with a unique ID. The javascript can then
179169
# hook into this area.
180170
display(HTML("<div id=%r></div>" % self.uuid))

‎lib/matplotlib/backends/backend_pdf.py

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@@ -8,28 +8,25 @@
88
unicode_literals)
99

1010
import six
11+
from six import unichr
1112

1213
import codecs
14+
import collections
15+
from datetime import datetime
16+
from functools import total_ordering
17+
from io import BytesIO
18+
import logging
19+
from math import ceil, cos, floor, pi, sin
1320
import os
1421
import re
1522
import struct
1623
import sys
1724
import time
1825
import warnings
19-
import logging
2026
import zlib
21-
import collections
22-
from io import BytesIO
23-
from functools import total_ordering
2427

2528
import numpy as np
26-
from six import unichr
27-
28-
29-
from datetime import datetime, tzinfo, timedelta
30-
from math import ceil, cos, floor, pi, sin
3129

32-
import matplotlib
3330
from matplotlib import __version__, rcParams
3431
from matplotlib._pylab_helpers import Gcf
3532
from matplotlib.backend_bases import (

‎lib/matplotlib/backends/backend_pgf.py

Lines changed: 7 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -3,32 +3,28 @@
33

44
import six
55

6+
import atexit
7+
import codecs
8+
import errno
69
import math
710
import os
8-
import sys
9-
import errno
1011
import re
1112
import shutil
13+
import sys
1214
import tempfile
13-
import codecs
14-
import atexit
15-
import weakref
1615
import warnings
17-
18-
import numpy as np
16+
import weakref
1917

2018
import matplotlib as mpl
19+
from matplotlib import _png, rcParams
2120
from matplotlib.backend_bases import (
2221
_Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
2322
RendererBase)
2423
from matplotlib.backends.backend_mixed import MixedModeRenderer
25-
from matplotlib.figure import Figure
26-
from matplotlib.text import Text
27-
from matplotlib.path import Path
28-
from matplotlib import _png, rcParams
2924
from matplotlib.cbook import is_writable_file_like
3025
from matplotlib.compat import subprocess
3126
from matplotlib.compat.subprocess import check_output
27+
from matplotlib.path import Path
3228

3329

3430
###############################################################################

‎lib/matplotlib/backends/backend_ps.py

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2222
from matplotlib.cbook import (get_realpath_and_stat, is_writable_file_like,
2323
maxdict, file_requires_unicode)
2424
from matplotlib.compat.subprocess import subprocess
25-
from matplotlib.figure import Figure
2625

2726
from matplotlib.font_manager import findfont, is_opentype_cff_font, get_font
2827
from matplotlib.ft2font import KERNING_DEFAULT, LOAD_NO_HINTING

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