From 3091da92cd497a7d9ea6ae2247d50eaf241702b6 Mon Sep 17 00:00:00 2001
From: Serial <69764315+Serial-ATA@users.noreply.github.com>
Date: Tue, 29 Jun 2021 14:44:22 -0400
Subject: [PATCH] Add attribute to lofty-attr to skip From<AnyTag> conversion

Signed-off-by: Serial <69764315+Serial-ATA@users.noreply.github.com>
---
 lofty-attr/Cargo.lock |  2 +-
 lofty-attr/Cargo.toml |  2 +-
 lofty-attr/src/lib.rs | 80 ++++++++++++++++++++++++-------------------
 3 files changed, 47 insertions(+), 37 deletions(-)

diff --git a/lofty-attr/Cargo.lock b/lofty-attr/Cargo.lock
index cdd3b983..ac0c5717 100644
--- a/lofty-attr/Cargo.lock
+++ b/lofty-attr/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "lofty_attr"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "quote",
  "syn",
diff --git a/lofty-attr/Cargo.toml b/lofty-attr/Cargo.toml
index d259ff57..887cfdfc 100644
--- a/lofty-attr/Cargo.toml
+++ b/lofty-attr/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lofty_attr"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Serial <69764315+Serial-ATA@users.noreply.github.com>"]
 description = "Macro for Lofty tag struct creation"
 license = "MIT OR Apache-2.0"
diff --git a/lofty-attr/src/lib.rs b/lofty-attr/src/lib.rs
index 78a84473..9ae003cb 100644
--- a/lofty-attr/src/lib.rs
+++ b/lofty-attr/src/lib.rs
@@ -23,6 +23,50 @@ pub fn impl_tag(args: TokenStream, input: TokenStream) -> TokenStream {
 		if let Some(inner) = inner.get_ident() {
 			let input_ident = input.ident;
 
+			let mut anytag_convert = quote! {
+								impl<'a> From<AnyTag<'a>> for #input_ident {
+							fn from(inp: AnyTag<'a>) -> Self {
+								let mut tag = #input_ident::default();
+
+								if let Some(v) = inp.title() {
+									tag.set_title(v)
+								}
+								if let Some(v) = inp.artists_as_string() {
+									tag.set_artist(&v)
+								}
+								if let Some(v) = inp.year {
+									tag.set_year(v)
+								}
+								if let Some(v) = inp.album().title {
+									tag.set_album_title(v)
+								}
+								if let Some(v) = inp.album().artists {
+									tag.set_album_artist(&v.join("/"))
+								}
+								if let Some(v) = inp.track_number() {
+									tag.set_track_number(v)
+								}
+								if let Some(v) = inp.total_tracks() {
+									tag.set_total_tracks(v)
+								}
+								if let Some(v) = inp.disc_number() {
+									tag.set_disc_number(v)
+								}
+								if let Some(v) = inp.total_discs() {
+									tag.set_total_discs(v)
+								}
+
+								tag
+							}
+						}
+			};
+
+			if let Some(attr) = input.attrs.first() {
+				if attr.path.is_ident("custom_convert") {
+					anytag_convert = quote! {};
+				}
+			}
+
 			let expanded = quote! {
 				#[doc(hidden)]
 				pub struct #input_ident {
@@ -102,41 +146,7 @@ pub fn impl_tag(args: TokenStream, input: TokenStream) -> TokenStream {
 					}
 				}
 
-				impl<'a> From<AnyTag<'a>> for #input_ident {
-					fn from(inp: AnyTag<'a>) -> Self {
-						let mut tag = #input_ident::default();
-
-						if let Some(v) = inp.title() {
-							tag.set_title(v)
-						}
-						if let Some(v) = inp.artists_as_string() {
-							tag.set_artist(&v)
-						}
-						if let Some(v) = inp.year {
-							tag.set_year(v)
-						}
-						if let Some(v) = inp.album().title {
-							tag.set_album_title(v)
-						}
-						if let Some(v) = inp.album().artists {
-							tag.set_album_artist(&v.join("/"))
-						}
-						if let Some(v) = inp.track_number() {
-							tag.set_track_number(v)
-						}
-						if let Some(v) = inp.total_tracks() {
-							tag.set_total_tracks(v)
-						}
-						if let Some(v) = inp.disc_number() {
-							tag.set_disc_number(v)
-						}
-						if let Some(v) = inp.total_discs() {
-							tag.set_total_discs(v)
-						}
-
-						tag
-					}
-				}
+				#anytag_convert
 
 				// From dyn AudioTag to wrapper (any type)
 				impl From<Box<dyn AudioTag>> for #input_ident {