From fce5291adb125fa44c16cafb87556a5811fd75da Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Thu, 12 Jan 2023 18:08:32 +0100
Subject: [PATCH] python3Packages.espeak-phonemizer: init at 1.1.0

---
 .../espeak-phonemizer/cdll.patch              | 21 ++++++++++
 .../espeak-phonemizer/default.nix             | 42 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 3 files changed, 65 insertions(+)
 create mode 100644 pkgs/development/python-modules/espeak-phonemizer/cdll.patch
 create mode 100644 pkgs/development/python-modules/espeak-phonemizer/default.nix

diff --git a/pkgs/development/python-modules/espeak-phonemizer/cdll.patch b/pkgs/development/python-modules/espeak-phonemizer/cdll.patch
new file mode 100644
index 00000000000..3ce5df122d5
--- /dev/null
+++ b/pkgs/development/python-modules/espeak-phonemizer/cdll.patch
@@ -0,0 +1,21 @@
+diff --git a/espeak_phonemizer/__init__.py b/espeak_phonemizer/__init__.py
+index a09472e..730a7f9 100644
+--- a/espeak_phonemizer/__init__.py
++++ b/espeak_phonemizer/__init__.py
+@@ -163,14 +163,10 @@ class Phonemizer:
+             # Already initialized
+             return
+ 
+-        self.libc = ctypes.cdll.LoadLibrary("libc.so.6")
++        self.libc = ctypes.cdll.LoadLibrary("@libc@")
+         self.libc.open_memstream.restype = ctypes.POINTER(ctypes.c_char)
+ 
+-        try:
+-            self.lib_espeak = ctypes.cdll.LoadLibrary("libespeak-ng.so")
+-        except OSError:
+-            # Try .so.1
+-            self.lib_espeak = ctypes.cdll.LoadLibrary("libespeak-ng.so.1")
++        self.lib_espeak = ctypes.cdll.LoadLibrary("@libespeak_ng@")
+ 
+         sample_rate = self.lib_espeak.espeak_Initialize(
+             Phonemizer.AUDIO_OUTPUT_SYNCHRONOUS, 0, None, 0
diff --git a/pkgs/development/python-modules/espeak-phonemizer/default.nix b/pkgs/development/python-modules/espeak-phonemizer/default.nix
new file mode 100644
index 00000000000..4efb2000013
--- /dev/null
+++ b/pkgs/development/python-modules/espeak-phonemizer/default.nix
@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, substituteAll
+, glibc
+, espeak-ng
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "espeak-phonemizer";
+  version = "1.1.0";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "rhasspy";
+    repo = "espeak-phonemizer";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-qnJtS5iIARdg+umolzLHT3/nLon9syjxfTnMWHOmYPU=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./cdll.patch;
+      libc = "${lib.getLib glibc}/lib/libc.so.6";
+      libespeak_ng = "${lib.getLib espeak-ng}/lib/libespeak-ng.so";
+    })
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    changelog = "https://github.com/rhasspy/espeak-phonemizer/releases/tag/v${version}";
+    description = "Uses ctypes and libespeak-ng to transform test into IPA phonemes";
+    homepage = "https://github.com/rhasspy/espeak-phonemizer";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hexa ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 78df192f7fb..914dcafaeb5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3045,6 +3045,8 @@ self: super: with self; {
 
   eradicate = callPackage ../development/python-modules/eradicate { };
 
+  espeak-phonemizer = callPackage ../development/python-modules/espeak-phonemizer { };
+
   esprima = callPackage ../development/python-modules/esprima { };
 
   escapism = callPackage ../development/python-modules/escapism { };