Package: guix-patches;
Reported by: Daniel Meißner <daniel.meissner-i4k <at> ruhr-uni-bochum.de>
Date: Fri, 10 Sep 2021 11:23:02 UTC
Severity: normal
Tags: patch
Message #164 received at 50505 <at> debbugs.gnu.org (full text, mbox):
From: Daniel Meißner <daniel.meissner-i4k <at> ruhr-uni-bochum.de> To: 50505 <at> debbugs.gnu.org Cc: Daniel Meißner <daniel.meissner-i4k <at> ruhr-uni-bochum.de>, Xinglu Chen <public <at> yoctocell.xyz>, Liliana Marie Prikler <liliana.prikler <at> gmail.com> Subject: [PATCH v3 09/12] gnu: Add python-manimpango. Date: Sun, 2 Jan 2022 00:51:52 +0100
* gnu/packages/python-science.scm (python-manimpango): New variable.
---
gnu/local.mk | 2 +
.../python-manimpango-remove-manim-dep.patch | 172 ++++++++++++++++++
gnu/packages/python-science.scm | 26 +++
3 files changed, 200 insertions(+)
create mode 100644 gnu/packages/patches/python-manimpango-remove-manim-dep.patch
diff --git a/gnu/local.mk b/gnu/local.mk
index ff3e80ea68..c5fe7d87b8 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -47,6 +47,7 @@
# Copyright © 2021 Dmitry Polyakov <polyakov <at> liltechdude.xyz>
# Copyright © 2021 Andrew Tropin <andrew <at> trop.in>
# Copyright © 2021 Simon Tournier <zimon.toutoune <at> gmail.com>
+# Copyright © 2021 Daniel Meißner <daniel.meissner-i4k <at> ruhr-uni-bochum.de>
#
# This file is part of GNU Guix.
#
@@ -1683,6 +1684,7 @@ dist_patch_DATA = \
%D%/packages/patches/python-flint-includes.patch \
%D%/packages/patches/python-libxml2-utf8.patch \
%D%/packages/patches/python-magic-python-bytecode.patch \
+ %D%/packages/patches/python-manimpango-remove-manim-dep.patch \
%D%/packages/patches/python-matplotlib-run-under-wayland-gtk3.patch \
%D%/packages/patches/python-memcached-syntax-warnings.patch \
%D%/packages/patches/python-moderngl-window-skip-tests.patch \
diff --git a/gnu/packages/patches/python-manimpango-remove-manim-dep.patch b/gnu/packages/patches/python-manimpango-remove-manim-dep.patch
new file mode 100644
index 0000000000..579c2302d8
--- /dev/null
+++ b/gnu/packages/patches/python-manimpango-remove-manim-dep.patch
@@ -0,0 +1,172 @@
+Fix dependency on manim for tests
+
+This fixes a circular dependency between manim and manimpango.
+
+Extracted from upstream:
+https://github.com/ManimCommunity/ManimPango/commit/7e2b17aa14b10bd58af0598cc2de51a406682797
+
+diff --git a/tests/_manim.py b/tests/_manim.py
+index 3ea4676..b11d3e9 100644
+--- a/tests/_manim.py
++++ b/tests/_manim.py
+@@ -2,11 +2,12 @@
+ """This file contains helpers for the tests copied and modified
+ from Manim.
+ """
+-
++import copy
+ import os
++import re
+ from pathlib import Path
+
+-from manimpango import Alignment, MarkupUtils
++from manimpango import Alignment, MarkupUtils, TextSetting, text2svg
+
+
+ class MarkupText:
+@@ -104,3 +105,115 @@ class MarkupText:
+
+ def __repr__(self):
+ return f"MarkupText({repr(self.original_text)})"
++
++
++class Text:
++ def __init__(
++ self,
++ text: str,
++ fill_opacity: float = 1.0,
++ stroke_width: int = 0,
++ size: int = 1,
++ line_spacing: int = -1,
++ font: str = "",
++ slant: str = "NORMAL",
++ weight: str = "NORMAL",
++ gradient: tuple = None,
++ tab_width: int = 4,
++ disable_ligatures: bool = False,
++ filename: str = "text.svg",
++ **kwargs,
++ ) -> None:
++ self.size = size
++ self.filename = filename
++ self.line_spacing = line_spacing
++ self.font = font
++ self.slant = slant
++ self.weight = weight
++ self.gradient = gradient
++ self.tab_width = tab_width
++ self.original_text = text
++ self.disable_ligatures = disable_ligatures
++ text_without_tabs = text
++ self.t2f = self.t2s = self.t2w = {}
++ if text.find("\t") != -1:
++ text_without_tabs = text.replace("\t", " " * self.tab_width)
++ self.text = text_without_tabs
++ if self.line_spacing == -1:
++ self.line_spacing = self.size + self.size * 0.3
++ else:
++ self.line_spacing = self.size + self.size * self.line_spacing
++ self.text2svg()
++
++ def text2settings(self):
++ """Internally used function. Converts the texts and styles
++ to a setting for parsing."""
++ settings = []
++ t2x = [self.t2f, self.t2s, self.t2w]
++ for i in range(len(t2x)):
++ fsw = [self.font, self.slant, self.weight]
++ if t2x[i]:
++ for word, x in list(t2x[i].items()):
++ for start, end in self.find_indexes(word, self.text):
++ fsw[i] = x
++ settings.append(TextSetting(start, end, *fsw))
++ # Set all text settings (default font, slant, weight)
++ fsw = [self.font, self.slant, self.weight]
++ settings.sort(key=lambda setting: setting.start)
++ temp_settings = settings.copy()
++ start = 0
++ for setting in settings:
++ if setting.start != start:
++ temp_settings.append(TextSetting(start, setting.start, *fsw))
++ start = setting.end
++ if start != len(self.text):
++ temp_settings.append(TextSetting(start, len(self.text), *fsw))
++ settings = sorted(temp_settings, key=lambda setting: setting.start)
++
++ if re.search(r"\n", self.text):
++ line_num = 0
++ for start, end in self.find_indexes("\n", self.text):
++ for setting in settings:
++ if setting.line_num == -1:
++ setting.line_num = line_num
++ if start < setting.end:
++ line_num += 1
++ new_setting = copy.copy(setting)
++ setting.end = end
++ new_setting.start = end
++ new_setting.line_num = line_num
++ settings.append(new_setting)
++ settings.sort(key=lambda setting: setting.start)
++ break
++ for setting in settings:
++ if setting.line_num == -1:
++ setting.line_num = 0
++ return settings
++
++ def text2svg(self):
++ """Internally used function.
++ Convert the text to SVG using Pango
++ """
++ size = self.size * 10
++ line_spacing = self.line_spacing * 10
++ dir_name = Path(self.filename).parent
++ disable_liga = self.disable_ligatures
++ if not os.path.exists(dir_name):
++ os.makedirs(dir_name)
++ file_name = self.filename
++ settings = self.text2settings()
++ width = 600
++ height = 400
++
++ return text2svg(
++ settings,
++ size,
++ line_spacing,
++ disable_liga,
++ file_name,
++ 30,
++ 30,
++ width,
++ height,
++ self.text,
++ )
+diff --git a/tests/test_fonts.py b/tests/test_fonts.py
+index 51e7eb4..da42895 100644
+--- a/tests/test_fonts.py
++++ b/tests/test_fonts.py
+@@ -3,13 +3,12 @@ import sys
+ from pathlib import Path
+ from shutil import copyfile
+
+-import manim
+ import pytest
+
+ import manimpango
+
+ from . import FONT_DIR
+-from ._manim import MarkupText
++from ._manim import MarkupText, Text
+
+ font_lists = {
+ (FONT_DIR / "AdobeVFPrototype.ttf").absolute(): "Adobe Variable Font Prototype",
+@@ -38,7 +37,7 @@ def test_register_font(font_name):
+ @pytest.mark.parametrize("font_name", font_lists.values())
+ def test_warning(capfd, font_name):
+ print(font_name)
+- manim.Text("Testing", font=font_name)
++ Text("Testing", font=font_name)
+ captured = capfd.readouterr()
+ assert "Pango-WARNING **" not in captured.err, "Looks like pango raised a warning?"
+
+--
+2.32.0
diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index 65f1dbf014..61628ec956 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -39,6 +39,7 @@ (define-module (gnu packages python-science)
#:use-module (gnu packages check)
#:use-module (gnu packages databases)
#:use-module (gnu packages gcc)
+ #:use-module (gnu packages gtk)
#:use-module (gnu packages image-processing)
#:use-module (gnu packages machine-learning)
#:use-module (gnu packages maths)
@@ -1037,3 +1038,28 @@ (define-public python-modin
libraries, Modin provides seamless integration and compatibility with existing
pandas code.")
(license license:asl2.0)))
+
+(define-public python-manimpango
+ (package
+ (name "python-manimpango")
+ (version "0.3.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (pypi-uri "ManimPango" version))
+ (sha256
+ (base32
+ "1j2mbhf7d82718nkc0r8x7cf35hlh13b67qkczjbbys3w24nyfsw"))
+ (patches (search-patches "python-manimpango-remove-manim-dep.patch"))))
+ (build-system python-build-system)
+ (native-inputs
+ (list pkg-config python-cython python-pytest))
+ (inputs
+ (list pango))
+ (home-page "https://manimpango.manim.community/")
+ (synopsis
+ "Bindings for pango for use with Manim")
+ (description
+ "These are Python bindings for Pango to be used with the mathematical
+animation software Manim.")
+ (license license:gpl3+)))
--
2.34.0
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.