chore: import upstream snapshot with attribution

2026-07-13 12:40:42 +08:00
commit e25996e7db
15472 changed files with 3536181 additions and 0 deletions
@@ -0,0 +1,116 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import signal
+import subprocess
+import sys
+import time
+
+LIMIT_LEN_ENVS = ["TRAINER_IP_PORT_LIST", "PADDLE_TRAINER_ENDPOINTS"]
+
+
+class ProcessContext:
+    def __init__(
+        self,
+        cmd,
+        env=os.environ,
+        out=sys.stdout,
+        err=sys.stderr,
+        group=True,
+        preexec_fn=None,
+        shell=False,
+    ):
+        self._cmd = cmd
+        self._env = env
+        self._preexec_fn = preexec_fn
+        self._stdout = out
+        self._stderr = err
+        self._group = group if os.name != 'nt' else False
+        self._proc = None
+        self._code = None
+        self._shell = shell
+
+    def _start(self):
+        pre_fn = os.setsid if self._group else None
+        log_dir = self._env["PADDLE_LOG_DIR"]
+        os.makedirs(log_dir, exist_ok=True)
+
+        rank = self._env.get("PADDLE_TRAINER_ID")
+        if rank is not None:
+            rank = int(rank)
+            backup_env_path = str(
+                os.path.join(log_dir, f'backup_env.{rank}.json')
+            )
+            envs = {"PADDLE_BACKUP_ENV_PATH": backup_env_path}
+
+            max_len = int(os.getenv('PADDLE_ENV_LIMIT_LEN', 48000))
+            for k, v in self._env.items():
+                if k not in LIMIT_LEN_ENVS or len(v) < max_len:
+                    envs[k] = v
+
+            with open(backup_env_path, 'w') as f:
+                json.dump(dict(self._env), f, indent=4, sort_keys=True)
+        else:
+            envs = self._env
+
+        self._proc = subprocess.Popen(
+            self._cmd,
+            env=envs,
+            stdout=self._stdout,
+            stderr=self._stderr,
+            preexec_fn=self._preexec_fn or pre_fn,
+            shell=self._shell,
+        )
+
+    def _close_std(self):
+        try:
+            if not self._stdout.isatty():
+                self._stdout.close()
+
+            if not self._stderr.isatty():
+                self._stderr.close()
+        except:
+            pass
+
+    def alive(self):
+        return self._proc and self._proc.poll() is None
+
+    def exit_code(self):
+        return self._proc.poll() if self._proc else None
+
+    def start(self):
+        self._start()
+
+    def terminate(self, force=False, max_retry=3):
+        for i in range(max_retry):
+            if self.alive():
+                if self._group:
+                    os.killpg(os.getpgid(self._proc.pid), signal.SIGTERM)
+                else:
+                    self._proc.terminate()
+                time.sleep(0.2)
+            else:
+                break
+
+        if force and self.alive():
+            self._proc.kill()
+
+        self._close_std()
+
+        return self.alive()
+
+    def wait(self, timeout=None):
+        self._proc.wait(timeout)