Recreated deprecated files and changed references

jklymak · Jan 17, 2022 · Jan 8, 2022 · Jan 8, 2022 · Jan 16, 2022 · 1885e460ff39b73377f5a94197c9f8d301ac5288
commit 1885e460ff39b73377f5a94197c9f8d301ac5288
diff --git a/doc/api/next_api_changes/behavior/20715-JKS.rst b/doc/api/next_api_changes/behavior/20715-JKS.rst
@@ -1,8 +1,8 @@
 ``Type1Font`` objects include more properties
 ---------------------------------------------
 
-The `.type1font.Type1Font.prop` dictionary now includes more keys, such
-as ``CharStrings`` and ``Subrs``. The value of the ``Encoding`` key is
+The ``matplotlib._type1font.Type1Font.prop`` dictionary now includes more keys,
+such as ``CharStrings`` and ``Subrs``. The value of the ``Encoding`` key is
 now a dictionary mapping codes to glyph names. The
-`.type1font.Type1Font.transform` method now correctly removes
+``matplotlib._type1font.Type1Font.transform`` method now correctly removes
 ``UniqueID`` properties from the font.
diff --git a/doc/api/next_api_changes/deprecations/22133-OG.rst b/doc/api/next_api_changes/deprecations/22133-OG.rst
@@ -0,0 +1,6 @@
+``AFM``, ``configfont_pattern`` and ``Type1Font`` deprecated
+------------------------------------------------------------
+
+The modules ``matplotlib.AFM``, ``matplotlib.configfont_pattern``, and
+``matplotlib.Type1Font`` are considered internal and public access is
+deprecated.
diff --git a/doc/api/prev_api_changes/api_changes_0.91.0.rst b/doc/api/prev_api_changes/api_changes_0.91.0.rst
@@ -36,7 +36,7 @@ Changes for 0.91.0
   pfa/pfb file, to get metrics and kerning information for a Type 1
   font.
 
-* The :class:`.AFM` class now supports querying CapHeight and stem
+* The ``AFM`` class now supports querying CapHeight and stem
   widths. The get_name_char method now has an isord kwarg like
   get_width_char.
 

diff --git a/doc/api/prev_api_changes/api_changes_0.98.x.rst b/doc/api/prev_api_changes/api_changes_0.98.x.rst
@@ -63,8 +63,8 @@ Changes for 0.98.x
   :meth:`matplotlib.axes.Axes.set_ylim` now return a copy of the
   ``viewlim`` array to avoid modify-in-place surprises.
 
-* :meth:`matplotlib.afm.AFM.get_fullname` and
-  :meth:`matplotlib.afm.AFM.get_familyname` no longer raise an
+* ``matplotlib.afm.AFM.get_fullname`` and
+  ``matplotlib.afm.AFM.get_familyname`` no longer raise an
   exception if the AFM file does not specify these optional
   attributes, but returns a guess based on the required FontName
   attribute.

diff --git a/doc/api/prev_api_changes/api_changes_3.5.0/behaviour.rst b/doc/api/prev_api_changes/api_changes_3.5.0/behaviour.rst
@@ -229,8 +229,8 @@ defaults to *False*.
 
 Type 1 fonts have a large part of their code encrypted as an obsolete
 copy-protection measure. This part is now available decrypted as the
-``decrypted`` attribute of `~.type1font.Type1Font`. This decrypted data is not
-yet parsed, but this is a prerequisite for implementing subsetting.
+``decrypted`` attribute of ``matplotlib.type1font.Type1Font``. This decrypted
+data is not yet parsed, but this is a prerequisite for implementing subsetting.
 
 3D contourf polygons placed between levels
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/lib/matplotlib/_mathtext.py b/lib/matplotlib/_mathtext.py
@@ -22,7 +22,7 @@
 from ._mathtext_data import (
     latex_to_bakoma, latex_to_standard, stix_glyph_fixes, stix_virtual_fonts,
     tex2uni)
-from .afm import AFM
+from ._afm import AFM
 from .font_manager import FontProperties, findfont, get_font
 from .ft2font import KERNING_DEFAULT
 

diff --git a/lib/matplotlib/afm.py b/lib/matplotlib/afm.py
@@ -0,0 +1,5 @@
+from matplotlib._afm import *  # noqa: F401, F403
+from matplotlib import _api
+_api.warn_deprecated(
+    "3.6", message="The module %(name)s is deprecated since %(since)s.",
+    name=f"{__name__}")
diff --git a/lib/matplotlib/backends/_backend_pdf_ps.py b/lib/matplotlib/backends/_backend_pdf_ps.py
@@ -9,7 +9,7 @@
 
 import matplotlib as mpl
 from .. import font_manager, ft2font
-from ..afm import AFM
+from .._afm import AFM
 from ..backend_bases import RendererBase
 
 

diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -26,17 +26,15 @@
 from PIL import Image
 
 import matplotlib as mpl
-from matplotlib import _api, _text_helpers, cbook
+from matplotlib import _api, _text_helpers, _type1font, cbook, dviread
 from matplotlib._pylab_helpers import Gcf
 from matplotlib.backend_bases import (
     _Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
     RendererBase)
 from matplotlib.backends.backend_mixed import MixedModeRenderer
 from matplotlib.figure import Figure
 from matplotlib.font_manager import findfont, get_font
-from matplotlib.afm import AFM
-import matplotlib.type1font as type1font
-import matplotlib.dviread as dviread
+from matplotlib._afm import AFM
 from matplotlib.ft2font import (FIXED_WIDTH, ITALIC, LOAD_NO_SCALE,
                                 LOAD_NO_HINTING, KERNING_UNFITTED, FT2Font)
 from matplotlib.mathtext import MathTextParser
@@ -982,7 +980,7 @@ def _embedTeXFont(self, fontinfo):
             return fontdictObject
 
         # We have a font file to embed - read it in and apply any effects
-        t1font = type1font.Type1Font(fontinfo.fontfile)
+        t1font = _type1font.Type1Font(fontinfo.fontfile)
         if fontinfo.effects:
             t1font = t1font.transform(fontinfo.effects)
         fontdict['BaseFont'] = Name(t1font.prop['FontName'])

diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
@@ -22,7 +22,7 @@
 
 import matplotlib as mpl
 from matplotlib import _api, cbook, _path, _text_helpers
-from matplotlib.afm import AFM
+from matplotlib._afm import AFM
 from matplotlib.backend_bases import (
     _Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase,
     RendererBase)

diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -43,8 +43,8 @@
     from dummy_threading import Timer
 
 import matplotlib as mpl
-from matplotlib import _api, afm, cbook, ft2font, rcParams
-from matplotlib.fontconfig_pattern import (
+from matplotlib import _api, _afm, cbook, ft2font, rcParams
+from matplotlib._fontconfig_pattern import (
     parse_fontconfig_pattern, generate_fontconfig_pattern)
 from matplotlib.rcsetup import _validators
 
@@ -553,7 +553,7 @@ def afmFontProperty(fontpath, font):
 
     Parameters
     ----------
-    font : `.AFM`
+    font : AFM
         The AFM font file from which information will be extracted.
 
     Returns
@@ -1107,7 +1107,7 @@ def addfont(self, path):
         """
         if Path(path).suffix.lower() == ".afm":
             with open(path, "rb") as fh:
-                font = afm.AFM(fh)
+                font = _afm.AFM(fh)
             prop = afmFontProperty(path, font)
             self.afmlist.append(prop)
         else:

diff --git a/lib/matplotlib/fontconfig_pattern.py b/lib/matplotlib/fontconfig_pattern.py
@@ -0,0 +1,5 @@
+from matplotlib._fontconfig_pattern import *  # noqa: F401, F403
+from matplotlib import _api
+_api.warn_deprecated(
+    "3.6", message="The module %(name)s is deprecated since %(since)s.",
+    name=f"{__name__}")
diff --git a/lib/matplotlib/rcsetup.py b/lib/matplotlib/rcsetup.py
@@ -25,7 +25,7 @@
 from matplotlib import _api, cbook
 from matplotlib.cbook import ls_mapper
 from matplotlib.colors import Colormap, is_color_like
-from matplotlib.fontconfig_pattern import parse_fontconfig_pattern
+from matplotlib._fontconfig_pattern import parse_fontconfig_pattern
 from matplotlib._enums import JoinStyle, CapStyle
 
 # Don't let the original cycler collide with our validating cycler

diff --git a/lib/matplotlib/tests/test_afm.py b/lib/matplotlib/tests/test_afm.py
@@ -2,7 +2,7 @@
 import pytest
 import logging
 
-from matplotlib import afm
+from matplotlib import _afm
 from matplotlib import font_manager as fm
 
 
@@ -39,13 +39,13 @@ def test_nonascii_str():
     inp_str = "привет"
     byte_str = inp_str.encode("utf8")
 
-    ret = afm._to_str(byte_str)
+    ret = _afm._to_str(byte_str)
     assert ret == inp_str
 
 
 def test_parse_header():
     fh = BytesIO(AFM_TEST_DATA)
-    header = afm._parse_header(fh)
+    header = _afm._parse_header(fh)
     assert header == {
         b'StartFontMetrics': 2.0,
         b'FontName': 'MyFont-Bold',
@@ -66,8 +66,8 @@ def test_parse_header():
 
 def test_parse_char_metrics():
     fh = BytesIO(AFM_TEST_DATA)
-    afm._parse_header(fh)  # position
-    metrics = afm._parse_char_metrics(fh)
+    _afm._parse_header(fh)  # position
+    metrics = _afm._parse_char_metrics(fh)
     assert metrics == (
         {0: (250.0, 'space', [0, 0, 0, 0]),
          42: (1141.0, 'foo', [40, 60, 800, 360]),
@@ -81,13 +81,13 @@ def test_parse_char_metrics():
 
 def test_get_familyname_guessed():
     fh = BytesIO(AFM_TEST_DATA)
-    font = afm.AFM(fh)
+    font = _afm.AFM(fh)
     del font._header[b'FamilyName']  # remove FamilyName, so we have to guess
     assert font.get_familyname() == 'My Font'
 
 
 def test_font_manager_weight_normalization():
-    font = afm.AFM(BytesIO(
+    font = _afm.AFM(BytesIO(
         AFM_TEST_DATA.replace(b"Weight Bold\n", b"Weight Custom\n")))
     assert fm.afmFontProperty("", font).weight == "normal"
 
@@ -107,7 +107,7 @@ def test_font_manager_weight_normalization():
 def test_bad_afm(afm_data):
     fh = BytesIO(afm_data)
     with pytest.raises(RuntimeError):
-        afm._parse_header(fh)
+        _afm._parse_header(fh)
 
 
 @pytest.mark.parametrize(
@@ -132,6 +132,6 @@ def test_bad_afm(afm_data):
 def test_malformed_header(afm_data, caplog):
     fh = BytesIO(afm_data)
     with caplog.at_level(logging.ERROR):
-        afm._parse_header(fh)
+        _afm._parse_header(fh)
 
     assert len(caplog.records) == 1
diff --git a/lib/matplotlib/tests/test_text.py b/lib/matplotlib/tests/test_text.py
@@ -199,7 +199,7 @@ def test_antialiasing():
 def test_afm_kerning():
     fn = mpl.font_manager.findfont("Helvetica", fontext="afm")
     with open(fn, 'rb') as fh:
-        afm = mpl.afm.AFM(fh)
+        afm = mpl._afm.AFM(fh)
     assert afm.string_width_height('VAVAVAVAVAVA') == (7174.0, 718)
 
 

diff --git a/lib/matplotlib/tests/test_type1font.py b/lib/matplotlib/tests/test_type1font.py
@@ -1,4 +1,4 @@
-import matplotlib.type1font as t1f
+import matplotlib._type1font as t1f
 import os.path
 import difflib
 import pytest

diff --git a/lib/matplotlib/type1font.py b/lib/matplotlib/type1font.py
@@ -0,0 +1,5 @@
+from matplotlib._type1font import *  # noqa: F401, F403
+from matplotlib import _api
+_api.warn_deprecated(
+    "3.6", message="The module %(name)s is deprecated since %(since)s.",
+    name=f"{__name__}")