From bf89f5a16fc47fea4efb45dd7bf22a95dd28e94d Mon Sep 17 00:00:00 2001
From: Austin Bozowski <bozowski@google.com>
Date: Thu, 26 May 2022 01:33:30 +0000
Subject: [PATCH] Flush buffers to fix stdout ordering

---
 examples/chef/chef.py      | 24 ++++++++++++------------
 examples/chef/chef_util.py |  1 +
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/examples/chef/chef.py b/examples/chef/chef.py
index 9b6346ad792a43..3cc4084437f4b6 100755
--- a/examples/chef/chef.py
+++ b/examples/chef/chef.py
@@ -55,7 +55,7 @@ def splash() -> None:
         |  `----.|  |  |  | |  |____ |  |
          \\______||__|  |__| |_______||__|{TermColors.STRRESET}
         """)
-    print(splashText)
+    print(splashText, flush=True)
 
 configFile = f"{_CHEF_SCRIPT_PATH}/config.yaml"
 
@@ -72,7 +72,7 @@ def load_config() -> None:
     else:
         print("Running for the first time and configuring config.yaml. " +
               "Change this configuration file to include correct configuration " +
-              "for the vendor's SDK")
+              "for the vendor's SDK", flush=True)
         configStream = open(configFile, 'w')
         config["nrfconnect"]["ZEPHYR_BASE"] = os.environ.get('ZEPHYR_BASE')
         config["nrfconnect"]["TTY"] = None
@@ -82,7 +82,7 @@ def load_config() -> None:
         config["silabs-thread"]["TTY"] = None
         config["silabs-thread"]["CU"] = None
 
-        print(yaml.dump(config))
+        print(yaml.dump(config), flush=True)
         yaml.dump(config, configStream)
         configStream.close()
 
@@ -244,12 +244,12 @@ def main(argv: Sequence[str]) -> None:
             print(f"Deleting and recreating existing {chef_zzz_root}")
             shutil.rmtree(chef_zzz_root)
             os.mkdir(chef_zzz_root)
-        print(f"Generating files in {chef_zzz_root} for all devices")
+        print(f"Generating files in {chef_zzz_root} for all devices", flush=True)
         for device_dir_item in os.listdir(chef_devices_dir):
             target_file_ext = ".zap"
             if device_dir_item.endswith(target_file_ext) and device_dir_item in chef_util.ci_allowlist:
                 device_name = device_dir_item[:-len(target_file_ext)]
-                print(f"Generating files for {device_name}")
+                print(f"Generating files for {device_name}", flush=True)
                 device_out_dir = os.path.join(chef_zzz_root, device_name)
                 os.mkdir(device_out_dir)
                 device_out_dir = os.path.join(device_out_dir, "zap-generated")
@@ -281,7 +281,7 @@ def main(argv: Sequence[str]) -> None:
     #
 
     if options.build_all:
-        print("Building all chef examples")
+        print("Building all chef examples", flush=True)
         os.environ['GNUARMEMB_TOOLCHAIN_PATH'] = os.environ['PW_ARM_CIPD_INSTALL_DIR']
         archive_prefix = "/workspace/artifacts/"
         if not os.path.exists(archive_prefix):
@@ -300,13 +300,13 @@ def main(argv: Sequence[str]) -> None:
                     label = platform_meta['platform_label']
                     output_dir = os.path.join(_CHEF_SCRIPT_PATH, directory)
                     command = './chef.py -czbr -d {} -t {}'.format(device_name, platform)
-                    print('-' * 64)
-                    print(f"Building {command}")
-                    print('-' * 64)
+                    print('-' * 64, flush=True)
+                    print(f"Building {command}", flush=True)
+                    print('-' * 64, flush=True)
                     subprocess.check_call(command, cwd=_CHEF_SCRIPT_PATH, shell=True)
                     archive_name = f"{label}-chef-{device_name}-wifi-rpc"
                     archive_full_name = archive_prefix + archive_name + archive_suffix
-                    print(f"Adding build output to archive {archive_full_name}")
+                    print(f"Adding build output to archive {archive_full_name}", flush=True)
                     with tarfile.open(archive_full_name, "w:gz") as tar:
                         tar.add(output_dir, arcname=".")
         exit(0)
@@ -370,7 +370,7 @@ def main(argv: Sequence[str]) -> None:
             f"{_REPO_BASE_PATH}/scripts/tools/zap/run_zaptool.sh {options.sample_device_type_name}.zap")
 
     if options.do_run_zap:
-        print("Running ZAP script to generate artifacts")
+        print("Running ZAP script to generate artifacts", flush=True)
         shell.run_cmd(f"mkdir -p {gen_dir}/")
         shell.run_cmd(f"rm {gen_dir}/*")
         shell.run_cmd(
@@ -400,7 +400,7 @@ def main(argv: Sequence[str]) -> None:
 
     if options.do_build:
         if options.use_zzz:
-            print("Using pre-generated ZAP output")
+            print("Using pre-generated ZAP output", flush=True)
             zzz_dir = os.path.join(_CHEF_SCRIPT_PATH, "zzz_generated", options.sample_device_type_name, "zap-generated")
             if os.path.exists(gen_dir):
                 shutil.rmtree(gen_dir)
diff --git a/examples/chef/chef_util.py b/examples/chef/chef_util.py
index 7530be3053c515..3c307dbdf0adf4 100644
--- a/examples/chef/chef_util.py
+++ b/examples/chef/chef_util.py
@@ -29,6 +29,7 @@ def bundle(platform: str):
     if platform == 'nrfconnect':
         pass
 
+
 def check_zap_master(repo_base_path: str) -> str:
     """Produces hash of ZAP submodule in branch master"""
     git_cmd = ["git", "ls-tree", "master", "third_party/zap/repo"]