From afcdcc829d33b1ac5e46b1fd7e709540d91e7c95 Mon Sep 17 00:00:00 2001
From: Michael Kashirin <88917554+mkashirin@users.noreply.github.com>
Date: Wed, 11 Oct 2023 17:24:26 +0300
Subject: [PATCH 1/2] Update cmanimpango.pyx

---
 manimpango/cmanimpango.pyx | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/manimpango/cmanimpango.pyx b/manimpango/cmanimpango.pyx
index d8ea5116..ecaf1dca 100644
--- a/manimpango/cmanimpango.pyx
+++ b/manimpango/cmanimpango.pyx
@@ -28,16 +28,16 @@ class TextSetting:
 
 
 def text2svg(
-    settings:list,
-    size:int,
-    line_spacing:int,
-    disable_liga:bool,
-    file_name:str,
-    START_X:int,
-    START_Y:int,
-    width:int,
-    height:int,
-    orig_text:str,
+    settings: list,
+    size: float,
+    line_spacing: float,
+    disable_liga: bool,
+    file_name: str,
+    START_X: int,
+    START_Y: int,
+    width: int,
+    height: int,
+    orig_text: str,
     pango_width: typing.Union[int, None] = None,
 ) -> int:
     """Render an SVG file from a :class:`manim.mobject.svg.text_mobject.Text` object."""
@@ -183,7 +183,7 @@ class MarkupUtils:
         font: str,
         slant: str,
         weight: str,
-        size: int,
+        size: float,
         _: int, # for some there was a keyword here.
         disable_liga: bool,
         file_name: str,

From 69ba49d882f0e6bd11023b09a9facf9fb5fa28df Mon Sep 17 00:00:00 2001
From: Naveen M K <naveen521kk@gmail.com>
Date: Thu, 12 Oct 2023 20:20:58 +0530
Subject: [PATCH 2/2] Fix some more types in `cmanimpango.pyx`

also update to `Cython>=3.0.2`
---
 manimpango/cmanimpango.pyx | 34 +++++++++++++++++-----------------
 pyproject.toml             |  2 +-
 requirements-dev.txt       |  2 +-
 3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/manimpango/cmanimpango.pyx b/manimpango/cmanimpango.pyx
index ecaf1dca..8ede399f 100644
--- a/manimpango/cmanimpango.pyx
+++ b/manimpango/cmanimpango.pyx
@@ -10,13 +10,13 @@ class TextSetting:
     """Formatting for slices of a :class:`manim.mobject.svg.text_mobject.Text` object."""
     def __init__(
         self,
-        start:int,
-        end:int,
-        font:str,
-        slant,
-        weight,
-        line_num=-1,
-        color: str=None,
+        start: int,
+        end: int,
+        font: str,
+        slant: str,
+        weight: str,
+        line_num = -1,
+        color: str = None,
     ):
         self.start = start
         self.end = end
@@ -39,7 +39,7 @@ def text2svg(
     height: int,
     orig_text: str,
     pango_width: typing.Union[int, None] = None,
-) -> int:
+) -> str:
     """Render an SVG file from a :class:`manim.mobject.svg.text_mobject.Text` object."""
     cdef cairo_surface_t* surface
     cdef cairo_t* cr
@@ -180,11 +180,11 @@ class MarkupUtils:
     @staticmethod
     def text2svg(
         text: str,
-        font: str,
+        font: str | None,
         slant: str,
         weight: str,
         size: float,
-        _: int, # for some there was a keyword here.
+        _, # for some there was a keyword here.
         disable_liga: bool,
         file_name: str,
         START_X: int,
@@ -192,12 +192,12 @@ class MarkupUtils:
         width: int,
         height: int,
         *, # keyword only arguments below
-        justify: bool = None,
-        indent: float = None,
-        line_spacing: float = None,
-        alignment: Alignment = None,
-        pango_width: typing.Union[int, None] = None,
-    ) -> int:
+        justify: bool | None = None,
+        indent: float | int | None = None,
+        line_spacing: float | None = None,
+        alignment: Alignment | None = None,
+        pango_width: int | None = None,
+    ) -> str:
         """Render an SVG file from a :class:`manim.mobject.svg.text_mobject.MarkupText` object."""
         cdef cairo_surface_t* surface
         cdef cairo_t* context
@@ -264,7 +264,7 @@ class MarkupUtils:
             pango_layout_set_alignment(layout, alignment.value)
 
         font_desc = pango_font_description_new()
-        if font_desc==NULL:
+        if font_desc == NULL:
             cairo_destroy(context)
             cairo_surface_destroy(surface)
             g_object_unref(layout)
diff --git a/pyproject.toml b/pyproject.toml
index 2e3fb959..9a0f7bf5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["Cython>=0.29.25,<3.0", "setuptools>=59.2.0", "wheel"]
+requires = ["Cython>=3.0.2", "setuptools>=59.2.0", "wheel"]
 
 [tool.isort]
 # from https://black.readthedocs.io/en/stable/compatible_configs.html
diff --git a/requirements-dev.txt b/requirements-dev.txt
index b66b1256..7e7a6e0b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 pytest-cov>=4.0,<5.0
 pytest>=7.0.0,<8.0.0
-Cython>=0.29.32,<0.30.0
+Cython>=3.0.2
 coverage>=6.5.0,<7.0.0
 setuptools>=59.2.0