Make yup-oauth2 optional

google-apis-common/Cargo.toml

@@ -24,11 +24,9 @@ serde_json = "^ 1.0"
 base64 = "0.13.0"
 chrono = { version = "0.4.22", features = ["serde"] }
 
-## TODO: Make yup-oauth2 optional
-## yup-oauth2 = { version = "^ 7.0", optional = true }
-yup-oauth2 = "^ 7.0"
+yup-oauth2 = { version = "^ 7.0", optional = true }
 itertools = "^ 0.10"
-hyper = "^ 0.14"
+hyper = { version = "^ 0.14", features = ["client", "http2"] }
 http = "^0.2"
-tokio = "^1.0"
+tokio = { version = "^1.0", features = ["time"] }
 tower-service = "^0.3.1"

google-apis-common/src/auth.rs

@@ -71,7 +71,6 @@
 use std::future::Future;
 use std::pin::Pin;
 
-// TODO: Simplify this to Option<String>
 type TokenResult = Option<String>;
 
 pub trait GetToken: GetTokenClone + Send + Sync {
@@ -121,8 +120,7 @@ pub struct NoToken;
 
 impl GetToken for NoToken {}
 
-// TODO: Make this optional
-// #[cfg(feature = "yup-oauth2")]
+#[cfg(feature = "yup-oauth2")]
 mod yup_oauth2_impl {
     use core::future::Future;
     use core::pin::Pin;

google-apis-common/src/lib.rs

@@ -29,6 +29,7 @@ pub use auth::{GetToken, NoToken};
 pub use chrono;
 pub use field_mask::FieldMask;
 pub use serde_with;
+#[cfg(feature = "yup-oauth2")]
 pub use yup_oauth2 as oauth2;
 
 const LINE_ENDING: &str = "\r\n";

src/generator/templates/Cargo.toml.mako

@@ -58,6 +58,8 @@ path = "../${api_name}"
 version = "${util.crate_version()}"
 % endif
 
-## TODO: Make yup-oauth2 optional
-# [features]
-# default = ["yup-oauth2"]
+% if not cargo.get("is_executable", False):
+[features]
+yup-oauth2 = ["google-apis-common/yup-oauth2"]
+default = ["yup-oauth2"]
+% endif

src/generator/templates/api/api.rs.mako

@@ -31,7 +31,7 @@ use tokio::time::sleep;
 use tower_service;
 use serde::{Serialize, Deserialize};
 
-use crate::{client, client::GetToken, client::oauth2, client::serde_with};
+use crate::{client, client::GetToken, client::serde_with};
 
 // ##############
 // UTILITIES ###

src/generator/templates/api/lib.rs.mako

@@ -49,5 +49,8 @@ pub mod api;
 
 // Re-export the hub type and some basic client structs
 pub use api::${hub_type};
+pub use client::{Result, Error, Delegate, FieldMask};
+
 // Re-export the yup_oauth2 crate, that is required to call some methods of the hub and the client
-pub use client::{Result, Error, Delegate, oauth2, FieldMask};
+#[cfg(feature = "yup-oauth2")]
+pub use client::oauth2;