Method get_open_files

src/_pytest/pytester.py:123–158

(self)

class LsofFdLeakChecker:
    def get_open_files(self) -> list[tuple[str, str]]:
        if sys.version_info >= (3, 11):
            class="cm"># New in Python 3.11, ignores utf-8 mode
            encoding = locale.getencoding()
        else:
            encoding = locale.getpreferredencoding(False)
        out = subprocess.run(
            (class="st">"lsof", class="st">"-Ffn0", class="st">"-p", str(os.getpid())),
            stdout=subprocess.PIPE,
            stderr=subprocess.DEVNULL,
            check=True,
            text=True,
            encoding=encoding,
        ).stdout

        def isopen(line: str) -> bool:
            return line.startswith(class="st">"f") and (
                class="st">"deleted" not in line
                and class="st">"mem" not in line
                and class="st">"txt" not in line
                and class="st">"cwd" not in line
            )

        open_files = []

        for line in out.split(class="st">"\n"):
            if isopen(line):
                fields = line.split(class="st">"\0")
                fd = fields[0][1:]
                filename = fields[1][1:]
                if filename in IGNORE_PAM:
                    continue
                if filename.startswith(class="st">"/"):
                    open_files.append((fd, filename))

        return open_files

    def matching_platform(self) -> bool:
        try: