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authorZhangyuan Nie <yuan@znie.org>2022-07-19 15:07:37 -0400
committerJussi Pakkanen <jpakkane@gmail.com>2022-08-01 17:29:44 +0300
commitfa71c38688e422a446b41c7f52d12c05e49716a8 (patch)
tree26da63081b4a862c79f8db973316dbeb7ec173a7 /mesonbuild
parent73985f98dc170713ed86324937fda6cd22f8c701 (diff)
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fix Popen_safe write
Diffstat (limited to 'mesonbuild')
-rw-r--r--mesonbuild/mesonlib/universal.py15
1 files changed, 9 insertions, 6 deletions
diff --git a/mesonbuild/mesonlib/universal.py b/mesonbuild/mesonlib/universal.py
index ebcd9f4..c501a30 100644
--- a/mesonbuild/mesonlib/universal.py
+++ b/mesonbuild/mesonlib/universal.py
@@ -1394,20 +1394,22 @@ def partition(pred: T.Callable[[_T], object], iterable: T.Iterable[_T]) -> T.Tup
def Popen_safe(args: T.List[str], write: T.Optional[str] = None,
+ stdin: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.DEVNULL,
stdout: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.PIPE,
stderr: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.PIPE,
**kwargs: T.Any) -> T.Tuple['subprocess.Popen[str]', str, str]:
import locale
encoding = locale.getpreferredencoding()
- # Redirect stdin to DEVNULL otherwise the command run by us here might mess
+ # Stdin defaults to DEVNULL otherwise the command run by us here might mess
# up the console and ANSI colors will stop working on Windows.
- if 'stdin' not in kwargs:
- kwargs['stdin'] = subprocess.DEVNULL
+ # If write is not None, set stdin to PIPE so data can be sent.
+ if write is not None:
+ stdin = subprocess.PIPE
if not sys.stdout.encoding or encoding.upper() != 'UTF-8':
- p, o, e = Popen_safe_legacy(args, write=write, stdout=stdout, stderr=stderr, **kwargs)
+ p, o, e = Popen_safe_legacy(args, write=write, stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
else:
p = subprocess.Popen(args, universal_newlines=True, close_fds=False,
- stdout=stdout, stderr=stderr, **kwargs)
+ stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
o, e = p.communicate(write)
# Sometimes the command that we run will call another command which will be
# without the above stdin workaround, so set the console mode again just in
@@ -1417,11 +1419,12 @@ def Popen_safe(args: T.List[str], write: T.Optional[str] = None,
def Popen_safe_legacy(args: T.List[str], write: T.Optional[str] = None,
+ stdin: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.DEVNULL,
stdout: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.PIPE,
stderr: T.Union[T.TextIO, T.BinaryIO, int] = subprocess.PIPE,
**kwargs: T.Any) -> T.Tuple['subprocess.Popen[str]', str, str]:
p = subprocess.Popen(args, universal_newlines=False, close_fds=False,
- stdout=stdout, stderr=stderr, **kwargs)
+ stdin=stdin, stdout=stdout, stderr=stderr, **kwargs)
input_ = None # type: T.Optional[bytes]
if write is not None:
input_ = write.encode('utf-8')