Merge remote-tracking branch 'origin/master' into moderngl

Author: eulertour

.gitignore

@@ -83,6 +83,9 @@ ipython_config.py
 # PEP 582; used by e.g. github.com/David-OConnor/pyflow
 __pypackages__/
 
+# PyCharm
+/.idea/
+
 # Celery stuff
 celerybeat-schedule
 celerybeat.pid

docker/Dockerfile

@@ -6,6 +6,7 @@ RUN apt-get update -qq \
         gcc \
         libcairo2-dev \
         libffi-dev \
+        libpango1.0-dev \
         pkg-config \
         wget
 

docs/rtd-requirements.txt

@@ -1,2 +1,3 @@
 imageio-ffmpeg
-jupyterlab
+jupyterlab
+https://github.com/ManimCommunity/ManimPango/releases/download/v0.2.4/ManimPango-0.2.4-cp38-cp38-manylinux2014_x86_64.whl

docs/source/changelog.rst

@@ -17,6 +17,69 @@ Upcoming release
 Changes for the upcoming release are tracked `in our GitHub wiki <https://github.com/ManimCommunity/manim/wiki/Changelog-for-next-release>`_.
 
 
+******
+v0.4.0
+******
+
+:Date: March 3, 2021
+
+The changes since Manim Community release v0.3.0 are listed below.
+
+Breaking Changes
+================
+
+- :pr:`915`: Manim's SVG engine has been reworked and is able to handle a wider variations of SVG files. In particular: fill and stroke properties are now retained from the original files. Breaking change: ``VMobjectFromSVGPathstring`` is deprecated and has been renamed to ``SVGPathMobject``.
+
+
+New Features
+============
+
+- :pr:`1026`: Add 3D Mobjects: :class:`~.Cone`, :class:`~.Cylinder`, :class:`~.Line3D`, :class:`~.Arrow3D` and :class:`~.Torus`
+- :pr:`1047`: Add documentation and examples for :class:`~.Matrix`
+- :pr:`1044`: ``register_font`` is available for macOS
+- :pr:`995`: Add generic :func:`~.Mobject.set` method and compatibility layer between properties and ``get_*``/``set_*`` methods
+
+Bugfixes and Enhancements
+=========================
+
+- :pr:`981`: Fixed hot reload functionality for the WebGL renderer on Windows
+- :pr:`1053`: Repair links to source code in stable version of documentation
+- :pr:`1067`: Add ManimPango to ReadTheDocs requirements
+- :pr:`1058`: Replace ``<color>`` syntax by Pango's ``<span foreground>`` for coloring parts of :class:`~.MarkupText` and allow using colors for underline, overline and strikethrough in MarkupText
+- :pr:`1063`: Fix documentation related to ``.animate``
+- :pr:`1065`: Remove duplicate word 'vector'
+- :pr:`1060`: Update Linux installation instructions to mention the installation of Pango
+- :pr:`1050`: Ensure that the user-supplied stroke color and width gets applied to :class:`~.Cross`
+- :pr:`1059`: More descriptive error when accessing an unhandled mobject attribute
+- :pr:`1048`: Use absolute path in ``make_and_open_docs.py``
+- :pr:`1000`: Remove ``MovingCameraScene.setup`` and ``MovingCameraScene.camera_frame``
+- :pr:`1051`: Corrections for setting stroke related attributes on :class:`~.VMobject`
+- :pr:`1043`: Make :class:`~.CubicBezier` explicitly accept four points
+- :pr:`1046`: Use any version of ``importlib-metadata``
+- :pr:`1030`: Parse ``.log`` file and try to print LaTeX errors if compilation fails
+- :pr:`1015`: Documentation: Add more explicit instructions related to ``tlmgr``
+- :pr:`1028`: Documentation: Update installation guide on mac with Apple Silicon
+- :pr:`1032`: Remove ``Square.side_length`` property
+- :pr:`1031`: Fix link to wikipedia vector graphics page
+- :pr:`1021`: Documentation: Added example to :class:`~.CubicBezier`
+- :pr:`1017`: Added ``progress_bar`` to ``digest_args`` to fix the ``--progress_bar`` CLI flag
+- :pr:`1018`: Remove redundancy in :class:`~.FunctionGraph` arguments
+- :pr:`1024`: Migrate ``width`` / ``height`` / ``depth`` to properties
+- :pr:`1022`: Fix ``-p`` flag when passing ``-s``
+- :pr:`1008`: CI pipeline: fix release asset upload
+- :pr:`983`: Make sure last frame for animations with updaters is correct
+- :pr:`984`: Add manim version to CLI output, append version name for generated ``.gif`` and ``.png`` files, add version to metadata of rendered videos, change dark blue terminal text to default green
+- :pr:`993`: Fix setting Mobject color to a gradient by passing a list of colors in :meth:`~.VMobject.set_color`
+- :pr:`1003`: Fix animation :class:`~.GrowArrow`
+- :pr:`1010`: Disable STDIN interaction for ffmpeg concat.
+- :pr:`969`: Fix the ``--tex_template`` CLI flag
+- :pr:`989`: Fix the ``manim cfg export`` subcommand
+- :pr:`1005`: Fix the feature where ``-`` is used as the filename
+- :pr:`998`: Allow using hexadecimal color codes with 3 characters
+- :pr:`996`: Changed the message of ``manim --version`` to not include "Edition"
+
+
+
 ******
 v0.3.0
 ******

docs/source/conf.py

@@ -115,7 +115,7 @@ def linkcode_resolve(domain, info):
         return None
     filename = info["module"].replace(".", "/")
     version = os.getenv("READTHEDOCS_VERSION", "master")
-    if version == "latest":
+    if version == "latest" or version == "stable":
         version = "master"
     return f"https://github.com/ManimCommunity/manim/blob/{version}/{filename}.py"
 

docs/source/examples.rst

@@ -386,9 +386,9 @@ Special Camera Settings
     class FollowingGraphCamera(GraphScene, MovingCameraScene):
         def setup(self):
             GraphScene.setup(self)
-            MovingCameraScene.setup(self)
+
         def construct(self):
-            self.camera_frame.save_state()
+            self.camera.frame.save_state()
             self.setup_axes(animate=False)
             graph = self.get_graph(lambda x: np.sin(x),
                                    color=BLUE,
@@ -400,16 +400,16 @@ Special Camera Settings
             dot_at_start_graph = Dot().move_to(graph.points[0])
             dot_at_end_graph = Dot().move_to(graph.points[-1])
             self.add(graph, dot_at_end_graph, dot_at_start_graph, moving_dot)
-            self.play(self.camera_frame.animate.scale(0.5).move_to(moving_dot))
+            self.play(self.camera.frame.animate.scale(0.5).move_to(moving_dot))
 
             def update_curve(mob):
                 mob.move_to(moving_dot.get_center())
 
-            self.camera_frame.add_updater(update_curve)
+            self.camera.frame.add_updater(update_curve)
             self.play(MoveAlongPath(moving_dot, graph, rate_func=linear))
-            self.camera_frame.remove_updater(update_curve)
+            self.camera.frame.remove_updater(update_curve)
 
-            self.play(Restore(self.camera_frame))
+            self.play(Restore(self.camera.frame))
 
 .. manim:: MovingZoomedSceneAround
     :ref_modules: manim.scene.zoomed_scene

docs/source/installation/linux.rst

@@ -26,6 +26,12 @@ To install cairo:
 
    sudo apt install libcairo2-dev
 
+To install Pango:
+
+.. code-block:: bash
+
+   sudo apt install libpango1.0-dev
+
 To install ffmpeg:
 
 .. code-block:: bash
@@ -58,6 +64,12 @@ To install cairo:
 
   sudo dnf install cairo-devel
 
+To install Pango:
+
+.. code-block:: bash
+
+   sudo dnf install pango-devel
+
 To install ffmpeg, you have to add RPMfusion repository (If it's not already added). Please follow the instructions for your specific distribution in the following URL:
 
 https://rpmfusion.org/Configuration/
@@ -96,6 +108,11 @@ To install cairo:
 
    sudo pacman -S cairo
 
+To install pango:
+
+.. code-block:: bash
+
+   sudo pacman -S pango
 
 To install ffmpeg:
 

docs/source/tutorials/building_blocks.rst

@@ -35,7 +35,7 @@ skeleton of a thing that *could* be displayed.  Therefore, you will rarely need
 to use plain instances of :class:`.Mobject`; instead you will most likely
 create instances of its derived classes.  One of these derived classes is
 :class:`.VMobject`.  The ``V`` stands for Vectorized Mobject.  In essence, a
-vmobject is a mobject that uses vector `vector graphics
+vmobject is a mobject that uses `vector graphics
 <https://en.wikipedia.org/wiki/Vector_graphics>`_ to be displayed.  Most of
 the time, you will be dealing with vmobjects, though we will continue to use
 the term "mobject" to refer to the class of shapes that can be displayed on

manim/_config/utils.py

@@ -14,6 +14,7 @@
 import copy
 import logging
 import os
+import errno
 import sys
 import typing
 from collections.abc import Mapping, MutableMapping
@@ -745,6 +746,13 @@ def digest_file(self, filename: str) -> "ManimConfig":
         multiple times.
 
         """
+        if not os.path.isfile(filename):
+            raise FileNotFoundError(
+                errno.ENOENT,
+                "Error: --config_file could not find a valid config file.",
+                filename,
+            )
+
         if filename:
             return self.digest_parser(make_config_parser(filename))