-#!/usr/bin/env python3
-
import asyncio
+import errno
import json
import logging
+import os
+import stat
import sys
+from functools import partial
from pathlib import Path
from platform import system
from shutil import rmtree, which
from subprocess import CalledProcessError
from sys import version_info
-from typing import Any, Dict, NamedTuple, Optional, Sequence, Tuple
+from tempfile import TemporaryDirectory
+from typing import Any, Callable, Dict, NamedTuple, Optional, Sequence, Tuple
from urllib.parse import urlparse
import click
WINDOWS = system() == "Windows"
BLACK_BINARY = "black.exe" if WINDOWS else "black"
-GIT_BIANRY = "git.exe" if WINDOWS else "git"
+GIT_BINARY = "git.exe" if WINDOWS else "git"
LOG = logging.getLogger(__name__)
async def _gen_check_output(
cmd: Sequence[str],
- timeout: float = 30,
+ timeout: float = 300,
env: Optional[Dict[str, str]] = None,
cwd: Optional[Path] = None,
) -> Tuple[bytes, bytes]:
await process.wait()
raise
+ # A non-optional timeout was supplied to asyncio.wait_for, guaranteeing
+ # a timeout or completed process. A terminated Python process will have a
+ # non-empty returncode value.
+ assert process.returncode is not None
+
if process.returncode != 0:
cmd_str = " ".join(cmd)
raise CalledProcessError(
async def black_run(
- repo_path: Path, project_config: Dict[str, Any], results: Results
+ repo_path: Path,
+ project_config: Dict[str, Any],
+ results: Results,
+ no_diff: bool = False,
) -> None:
"""Run Black and record failures"""
cmd = [str(which(BLACK_BINARY))]
if "cli_arguments" in project_config and project_config["cli_arguments"]:
cmd.extend(*project_config["cli_arguments"])
- cmd.extend(["--check", "--diff", "."])
+ cmd.append("--check")
+ if no_diff:
+ cmd.append(".")
+ else:
+ cmd.extend(["--diff", "."])
+
+ with TemporaryDirectory() as tmp_path:
+ # Prevent reading top-level user configs by manipulating envionment variables
+ env = {
+ **os.environ,
+ "XDG_CONFIG_HOME": tmp_path, # Unix-like
+ "USERPROFILE": tmp_path, # Windows (changes `Path.home()` output)
+ }
- try:
- _stdout, _stderr = await _gen_check_output(cmd, cwd=repo_path)
- except asyncio.TimeoutError:
- results.stats["failed"] += 1
- LOG.error(f"Running black for {repo_path} timed out ({cmd})")
- except CalledProcessError as cpe:
- # TODO: Tune for smarter for higher signal
- # If any other return value than 1 we raise - can disable project in config
- if cpe.returncode == 1:
- if not project_config["expect_formatting_changes"]:
+ try:
+ _stdout, _stderr = await _gen_check_output(cmd, cwd=repo_path, env=env)
+ except asyncio.TimeoutError:
+ results.stats["failed"] += 1
+ LOG.error(f"Running black for {repo_path} timed out ({cmd})")
+ except CalledProcessError as cpe:
+ # TODO: Tune for smarter for higher signal
+ # If any other return value than 1 we raise - can disable project in config
+ if cpe.returncode == 1:
+ if not project_config["expect_formatting_changes"]:
+ results.stats["failed"] += 1
+ results.failed_projects[repo_path.name] = cpe
+ else:
+ results.stats["success"] += 1
+ return
+ elif cpe.returncode > 1:
results.stats["failed"] += 1
results.failed_projects[repo_path.name] = cpe
- else:
- results.stats["success"] += 1
- return
+ return
- LOG.error(f"Unknown error with {repo_path}")
- raise
+ LOG.error(f"Unknown error with {repo_path}")
+ raise
# If we get here and expect formatting changes something is up
if project_config["expect_formatting_changes"]:
depth: int = 1,
) -> Optional[Path]:
"""git Clone project or rebase"""
- git_bin = str(which(GIT_BIANRY))
+ git_bin = str(which(GIT_BINARY))
if not git_bin:
LOG.error("No git binary found")
return None
return repo_path
+def handle_PermissionError(
+ func: Callable, path: Path, exc: Tuple[Any, Any, Any]
+) -> None:
+ """
+ Handle PermissionError during shutil.rmtree.
+
+ This checks if the erroring function is either 'os.rmdir' or 'os.unlink', and that
+ the error was EACCES (i.e. Permission denied). If true, the path is set writable,
+ readable, and executable by everyone. Finally, it tries the error causing delete
+ operation again.
+
+ If the check is false, then the original error will be reraised as this function
+ can't handle it.
+ """
+ excvalue = exc[1]
+ LOG.debug(f"Handling {excvalue} from {func.__name__}... ")
+ if func in (os.rmdir, os.unlink) and excvalue.errno == errno.EACCES:
+ LOG.debug(f"Setting {path} writable, readable, and executable by everyone... ")
+ os.chmod(path, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO) # chmod 0777
+ func(path) # Try the error causing delete operation again
+ else:
+ raise
+
+
async def load_projects_queue(
config_path: Path,
) -> Tuple[Dict[str, Any], asyncio.Queue]:
long_checkouts: bool = False,
rebase: bool = False,
keep: bool = False,
+ no_diff: bool = False,
) -> None:
"""Check out project and run Black on it + record result"""
loop = asyncio.get_event_loop()
except asyncio.QueueEmpty:
LOG.debug(f"project_runner {idx} exiting")
return
+ LOG.debug(f"worker {idx} working on {project_name}")
project_config = config["projects"][project_name]
repo_path = await git_checkout_or_rebase(work_path, project_config, rebase)
if not repo_path:
continue
- await black_run(repo_path, project_config, results)
+ await black_run(repo_path, project_config, results, no_diff)
if not keep:
LOG.debug(f"Removing {repo_path}")
- await loop.run_in_executor(None, rmtree, repo_path)
+ rmtree_partial = partial(
+ rmtree, path=repo_path, onerror=handle_PermissionError
+ )
+ await loop.run_in_executor(None, rmtree_partial)
+
+ LOG.info(f"Finished {project_name}")
async def process_queue(
keep: bool = False,
long_checkouts: bool = False,
rebase: bool = False,
+ no_diff: bool = False,
) -> int:
"""
Process the queue with X workers and evaluate results
await asyncio.gather(
*[
project_runner(
- i, config, queue, work_path, results, long_checkouts, rebase, keep
+ i,
+ config,
+ queue,
+ work_path,
+ results,
+ long_checkouts,
+ rebase,
+ keep,
+ no_diff,
)
for i in range(workers)
]