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Automatically create output directories

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This commit is contained in:
Jouke Witteveen 2021-05-10 15:47:20 +02:00
parent 28aa67314e
commit efc15cf4f1
2 changed files with 5 additions and 2 deletions
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3
src/flake8/formatting/base.py
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@ -1,5 +1,6 @@
"""The base class and interface for all formatting plugins.""" """The base class and interface for all formatting plugins."""
import argparse import argparse
import os
from typing import IO from typing import IO
from typing import List from typing import List
from typing import Optional from typing import Optional
@ -76,6 +77,8 @@ class BaseFormatter:
This defaults to initializing :attr:`output_fd` if :attr:`filename` This defaults to initializing :attr:`output_fd` if :attr:`filename`
""" """
if self.filename: if self.filename:
dirname = os.path.dirname(os.path.abspath(self.filename))
os.makedirs(dirname, exist_ok=True)
self.output_fd = open(self.filename, "a") self.output_fd = open(self.filename, "a")
def handle(self, error: "Violation") -> None: def handle(self, error: "Violation") -> None:

4
tests/integration/test_main.py
View file

@ -343,10 +343,10 @@ def test_output_file(tmpdir, capsys):
tmpdir.join("t.py").write("import os\n") tmpdir.join("t.py").write("import os\n")
with tmpdir.as_cwd(): with tmpdir.as_cwd():
_call_main(["t.py", "--output-file=f"], retv=1) _call_main(["t.py", "--output-file=a/b/f"], retv=1)
out, err = capsys.readouterr() out, err = capsys.readouterr()
assert out == err == "" assert out == err == ""
expected = "t.py:1:1: F401 'os' imported but unused\n" expected = "t.py:1:1: F401 'os' imported but unused\n"
assert tmpdir.join("f").read() == expected assert tmpdir.join("a/b/f").read() == expected