Remove report_log in favor of pytest-reportlog

Fix #6180

src/_pytest/config/__init__.py

@@ -154,7 +154,6 @@ default_plugins = essential_plugins + (
     "assertion",
     "junitxml",
     "resultlog",
-    "report_log",
     "doctest",
     "cacheprovider",
     "freeze_support",

src/_pytest/deprecated.py

@@ -26,7 +26,7 @@ FUNCARGNAMES = PytestDeprecationWarning(
 
 
 RESULT_LOG = PytestDeprecationWarning(
-    "--result-log is deprecated and scheduled for removal in pytest 6.0.\n"
+    "--result-log is deprecated, please try the new pytest-reportlog plugin.\n"
     "See https://docs.pytest.org/en/latest/deprecations.html#result-log-result-log for more information."
 )
 

src/_pytest/report_log.py

@@ -1,72 +0,0 @@
-import json
-from pathlib import Path
-
-import pytest
-
-
-def pytest_addoption(parser):
-    group = parser.getgroup("terminal reporting", "report-log plugin options")
-    group.addoption(
-        "--report-log",
-        action="store",
-        metavar="path",
-        default=None,
-        help="Path to line-based json objects of test session events.",
-    )
-
-
-def pytest_configure(config):
-    report_log = config.option.report_log
-    if report_log and not hasattr(config, "slaveinput"):
-        config._report_log_plugin = ReportLogPlugin(config, Path(report_log))
-        config.pluginmanager.register(config._report_log_plugin)
-
-
-def pytest_unconfigure(config):
-    report_log_plugin = getattr(config, "_report_log_plugin", None)
-    if report_log_plugin:
-        report_log_plugin.close()
-        del config._report_log_plugin
-
-
-class ReportLogPlugin:
-    def __init__(self, config, log_path: Path):
-        self._config = config
-        self._log_path = log_path
-
-        log_path.parent.mkdir(parents=True, exist_ok=True)
-        self._file = log_path.open("w", buffering=1, encoding="UTF-8")
-
-    def close(self):
-        if self._file is not None:
-            self._file.close()
-            self._file = None
-
-    def _write_json_data(self, data):
-        self._file.write(json.dumps(data) + "\n")
-        self._file.flush()
-
-    def pytest_sessionstart(self):
-        data = {"pytest_version": pytest.__version__, "$report_type": "SessionStart"}
-        self._write_json_data(data)
-
-    def pytest_sessionfinish(self, exitstatus):
-        data = {"exitstatus": exitstatus, "$report_type": "SessionFinish"}
-        self._write_json_data(data)
-
-    def pytest_runtest_logreport(self, report):
-        data = self._config.hook.pytest_report_to_serializable(
-            config=self._config, report=report
-        )
-        self._write_json_data(data)
-
-    def pytest_collectreport(self, report):
-        data = self._config.hook.pytest_report_to_serializable(
-            config=self._config, report=report
-        )
-        self._write_json_data(data)
-
-    def pytest_terminal_summary(self, terminalreporter):
-        terminalreporter.write_sep(
-            "-", "generated report log file: {}".format(self._log_path)
-        )