From 3a4595d6d6d2fd8f63111b105845ee69bd5ead74 Mon Sep 17 00:00:00 2001
From: rany2 <rany2@riseup.net>
Date: Wed, 27 Jul 2022 20:15:17 +0300
Subject: [PATCH] Fix "ValueError: the metadata doesn't contain a Duration
 field"

* seems like microsoft updated their API to include this metadata type

Fixes #16
---
 setup.cfg                   |  2 +-
 src/edge_tts/communicate.py | 16 ++++++----------
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/setup.cfg b/setup.cfg
index c1255d6..e25cccb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = edge-tts
-version = 5.0.0
+version = 5.0.1
 author = rany
 author_email = ranygh@riseup.net
 description = Microsoft Edge's TTS
diff --git a/src/edge_tts/communicate.py b/src/edge_tts/communicate.py
index e5ed6f7..e8f5a65 100644
--- a/src/edge_tts/communicate.py
+++ b/src/edge_tts/communicate.py
@@ -333,19 +333,13 @@ class Communicate:
                                 metadata_offset = metadata["Metadata"][0]["Data"][
                                     "Offset"
                                 ]
-                                try:
+                                if metadata_type == "WordBoundary":
                                     metadata_duration = metadata["Metadata"][0]["Data"][
                                         "Duration"
                                     ]
-                                except KeyError as exception:
-                                    raise ValueError(
-                                        "The metadata doesn't contain a Duration field. "
-                                        + "This usually happens when SentenceBoundary metadata type is sent."
-                                    ) from exception
-                                metadata_text = metadata["Metadata"][0]["Data"]["text"][
-                                    "Text"
-                                ]
-                                if metadata_type == "WordBoundary":
+                                    metadata_text = metadata["Metadata"][0]["Data"]["text"][
+                                        "Text"
+                                    ]
                                     yield (
                                         [
                                             metadata_offset,
@@ -358,6 +352,8 @@ class Communicate:
                                     raise NotImplementedError(
                                         "SentenceBoundary is not supported due to being broken."
                                     )
+                                elif metadata_type == "SessionEnd":
+                                    continue
                                 else:
                                     raise NotImplementedError(
                                         f"Unknown metadata type: {metadata_type}"