From 5143dc3af380f65536ef624472e27ca8c86b65df Mon Sep 17 00:00:00 2001
From: vg <vgm+dev@devys.org>
Date: Fri, 16 Sep 2022 14:51:12 +0200
Subject: git-sync on seele

---
 gamechestcli/remove.py | 170 -------------------------------------------------
 1 file changed, 170 deletions(-)
 delete mode 100644 gamechestcli/remove.py

(limited to 'gamechestcli/remove.py')

diff --git a/gamechestcli/remove.py b/gamechestcli/remove.py
deleted file mode 100644
index 00247f7..0000000
--- a/gamechestcli/remove.py
+++ /dev/null
@@ -1,170 +0,0 @@
-#!/usr/bin/python3
-
-import io
-import os
-import re
-import subprocess
-import threading
-
-import humanfriendly
-
-from structures import Progress
-
-
-class Remove:
-
-    _progress_re = re.compile(r'^\s*(\S+)\s+\[([^]]+)/s\]\s+ETA\s+(\S+)\s*$')
-
-    def __init__(self, path):
-        self.last_progress = Progress()
-        self.path = path
-        self.rm_proc = None
-        self.pv_proc = None
-        self.pipe = os.pipe()
-        self.read_fd = io.open(self.pipe[0], 'r', encoding='utf8')
-        self._proc_started = False
-        self._filescount = 0
-        self._counting_quit_event = threading.Event()
-        self._counting_thread = threading.Thread(
-            target=self._counting_worker,
-            args=(self._counting_quit_event, path),
-        )
-        self._counting_thread.start()
-
-    def _start_proc(self):
-        common_parameters = dict(
-            encoding='utf8',
-            env={**os.environ,
-                 **{'LC_ALL':'C.UTF-8',
-                    'LANG':'C.UTF-8',
-                    'LANGUAGE':'C.UTF-8',
-                    }},
-        )
-        self.rm_proc = subprocess.Popen(
-            [
-                'rm',
-                '--verbose',
-                '--recursive',
-                '--one-file-system',
-                '--preserve-root=all',
-                '--interactive=never',
-                '--',
-                self.path,
-            ],
-            stdout=subprocess.PIPE,
-            **common_parameters,
-        )
-        #self.rm_proc = subprocess.Popen(  # only for testing purposes
-        #    [
-        #        'testtools/fake-rm',
-        #        self.path,
-        #    ],
-        #    stdout=subprocess.PIPE,
-        #    **common_parameters,
-        #)
-        self.pv_proc = subprocess.Popen(
-            [
-                'pv',
-                '--force',
-                '--size', str(self._filescount),
-                '--format', '%b %a %e',
-                '--line-mode',
-            ],
-            stdin=self.rm_proc.stdout,
-            stdout=subprocess.DEVNULL,
-            stderr=self.pipe[1],
-            **common_parameters,
-        )
-        # close child's pipe fd on parent's side or selectors will hang if
-        # process closes.
-        os.close(self.pipe[1])
-        self._proc_started = True
-
-    def _counting_worker(self, event, path):
-        # as counting files for a deep directory can take some time, make it
-        # interruptible with a thread and event for cancelling.
-        # using functools.reduce(x+1+len(y[2]), os.walk) would have been much
-        # cleaner, but the code gets harder to read with the addition of the
-        # event checking. Fallback to accumalator and iterations.
-        total = 0
-        for _, _, files in os.walk(path):
-            total += 1 + len(files)
-            if event.is_set():
-                break
-        # set filescount with calculated total (even then interrupted, as it
-        # would be a better estimation than nothing).
-        self._filescount = total
-        # start next processes (if event was not set)
-        if not event.is_set():
-            self._start_proc()
-
-    def select_fd(self):
-        'useful to use selectors with the process most meaningful fd'
-        return self.read_fd
-
-    def progress_read(self):
-        if not self._proc_started:
-            return self.last_progress
-        line = self.read_fd.readline()
-        if match := self._progress_re.search(line):
-            written_bytes = humanfriendly.parse_size(match.group(1))
-            self.last_progress = Progress(
-                written_bytes,
-                int(100 * written_bytes / self._filescount),
-                humanfriendly.parse_size(match.group(2)),
-                match.group(3),
-            )
-        return self.last_progress
-
-    def terminate(self):
-        if self._proc_started:
-            for proc in (self.rm_proc, self.pv_proc):
-                proc.terminate()
-        else:
-            self._counting_quit_event.set()
-
-    def poll(self):
-        'returns None if not terminated, otherwise return returncode'
-        if not self._proc_started:
-            return None
-        return self.pv_proc.poll()
-
-    def wait(self, timeout=None):
-        if self._proc_started:
-            self.rm_proc.wait(timeout)
-            return self.pv_proc.wait(timeout)
-        else:
-            self._counting_thread.join(timeout)
-            return -1
-
-    def close(self):
-        self.read_fd.close()
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, exc_type, value, traceback):
-        self.terminate()
-        self.wait()
-        self.close()
-
-
-if __name__ == '__main__':
-    import sys
-    import contextlib
-    import time
-    import selectors
-
-    with contextlib.ExitStack() as stack:
-        stack.enter_context(contextlib.suppress(KeyboardInterrupt))
-        remove = stack.enter_context(Remove(sys.argv[1]))
-        selector = stack.enter_context(selectors.DefaultSelector())
-        selector.register(remove.select_fd(), selectors.EVENT_READ)
-        while remove.poll() is None:
-            selector.select()
-            progress = remove.progress_read()
-            print(f'{progress.bytes}b {progress.percent}% '
-                f'{progress.speed}b/s {progress.eta}')
-        rc = remove.poll()
-        print(f'ended with code: {rc}')
-    print('test main ended')
-- 
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