Fix code to work with Python 3.9

hggitforge/__init__.py

@@ -24,7 +24,7 @@ def cmd(description, *args, **kwargs):
         check_output(*args, **kwargs)
     except CalledProcessError as ex:
         if not quiet:
-            print(ex.output).strip()
+            print(ex.output.decode("utf-8").strip())
             print("Command exited with code %d" % ex.returncode)
         raise
 
@@ -109,7 +109,7 @@ def _gfpull(git_repo):
         ["git", "branch", "--format=%(refname:lstrip=2)"], cwd=git_repo
     )
     git_pull_master(git_repo)
-    for branch in branches.splitlines():
+    for branch in branches.decode("utf-8").splitlines():
         if branch != "master":
             try:
                 cmd(
@@ -156,7 +156,9 @@ def _gfremote(git_repo, git_remote_url, git_branch, hg_bookmark):
 def gfclone(ui, git_fork_url, git_upstream_url, working_directory, **opts):
     """Prepare working directory to work with forge"""
     try:
-        _gfclone(git_fork_url, git_upstream_url, working_directory)
+        _gfclone(git_fork_url.decode("utf-8"),
+                 git_upstream_url.decode("utf-8"),
+                 working_directory.decode("utf-8"))
     except CalledProcessError:
         pass
     except ValueError as ex:
@@ -167,9 +169,9 @@ def gfclone(ui, git_fork_url, git_upstream_url, working_directory, **opts):
 def gfpull(ui, repo, **opts):
     """Prepare working directory to work with forge"""
     os.chdir(repo.root)
-    git_repo = ui.config("gitrepo", "gitrepo")
+    git_repo = ui.config(b"gitrepo", b"gitrepo")
     try:
-        _gfpull(git_repo)
+        _gfpull(git_repo.decode("utf-8"))
     except CalledProcessError:
         pass
 
@@ -178,9 +180,10 @@ def gfpull(ui, repo, **opts):
 def gfpush(ui, repo, bookmark, **opts):
     """Prepare working directory to work with forge"""
     os.chdir(repo.root)
-    git_repo = ui.config("gitrepo", "gitrepo")
+    git_repo = ui.config(b"gitrepo", b"gitrepo")
     try:
-        _gfpush(git_repo, bookmark)
+        _gfpush(git_repo.decode("utf-8"),
+                bookmark.decode("utf-8"))
     except CalledProcessError:
         pass
     except ValueError as ex:
@@ -191,8 +194,11 @@ def gfpush(ui, repo, bookmark, **opts):
 def gfremote(ui, repo, git_remote_url, git_branch, hg_bookmark, **opts):
     """Pull remote branch from alternate Git repository"""
     os.chdir(repo.root)
-    git_repo = ui.config("gitrepo", "gitrepo")
+    git_repo = ui.config(b"gitrepo", b"gitrepo")
     try:
-        _gfremote(git_repo, git_remote_url, git_branch, hg_bookmark)
+        _gfremote(git_repo.decode("utf-8"),
+                  git_remote_url.decode("utf-8"),
+                  git_branch.decode("utf-8"),
+                  hg_bookmark.decode("utf-8"))
     except CalledProcessError:
         pass