Added wrappers for os.statvfs() and os.path.ismount() (#162)

* Added wrappers for os.statvfs() and os.path.ismount()

* Added tests for os.statvfs() and os.path.ismount()

* Added notes about os.statvfs() and os.path.ismount()

README.md

@@ -92,6 +92,7 @@ The `aiofiles.os` module contains executor-enabled coroutine versions of
 several useful `os` functions that deal with files:
 
 - `stat`
+- `statvfs`
 - `sendfile`
 - `rename`
 - `renames`
@@ -112,6 +113,7 @@ several useful `os` functions that deal with files:
 - `path.isfile`
 - `path.isdir`
 - `path.islink`
+- `path.ismount`
 - `path.getsize`
 - `path.getatime`
 - `path.getctime`

src/aiofiles/os.py

@@ -19,6 +19,7 @@ async def run(*args, loop=None, executor=None, **kwargs):
 
 
 stat = wrap(os.stat)
+statvfs = wrap(os.statvfs)
 rename = wrap(os.rename)
 renames = wrap(os.renames)
 replace = wrap(os.replace)

src/aiofiles/ospath.py

@@ -7,6 +7,7 @@
 isfile = wrap(path.isfile)
 isdir = wrap(path.isdir)
 islink = wrap(path.islink)
+ismount = wrap(path.ismount)
 getsize = wrap(path.getsize)
 getmtime = wrap(path.getmtime)
 getatime = wrap(path.getatime)

tests/test_os.py

@@ -19,6 +19,15 @@ async def test_stat():
     assert stat_res.st_size == 10
 
 
+@pytest.mark.asyncio
+async def test_statvfs():
+    """Test the statvfs call."""
+
+    statvfs_res = await aiofiles.os.statvfs("/")
+
+    assert statvfs_res.f_bsize == os.statvfs("/").f_bsize
+
+
 @pytest.mark.asyncio
 async def test_remove():
     """Test the remove call."""
@@ -204,6 +213,14 @@ async def test_islink():
     await aiofiles.os.remove(dst_filename)
 
 
+@pytest.mark.asyncio
+async def test_ismount():
+    """Test the path.ismount call."""
+    filename = join(dirname(__file__), "resources")
+    assert not await aiofiles.os.path.ismount(filename)
+    assert await aiofiles.os.path.ismount("/")
+
+
 @pytest.mark.asyncio
 async def test_getsize():
     """Test path.getsize call."""