fileutils: remove deprecated `write_file`

Last usage was removed, so we can remove the function as well. In most
cases, like tests, you can use `Path.write_text` or `Path.write_bytes`
instead. If not in tests, just use `open` and `write`.

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

2 files changed, 2 insertions, 17 deletions

diff --git a/src/snakeoil/data_source.py b/src/snakeoil/data_source.py
index ea85ec72..8b9cf72b 100644
--- a/src/snakeoil/data_source.py
+++ b/src/snakeoil/data_source.py
@@ -456,7 +456,5 @@ class invokable_data_source(data_source):
 
 
 def transfer_between_files(read_file, write_file, bufsize=(32 * 1024)):
-    data = read_file.read(bufsize)
-    while data:
+    while data := read_file.read(bufsize):
         write_file.write(data)
-        data = read_file.read(bufsize)
diff --git a/src/snakeoil/fileutils.py b/src/snakeoil/fileutils.py
index 7d79a25b..2f9da9a3 100644
--- a/src/snakeoil/fileutils.py
+++ b/src/snakeoil/fileutils.py
@@ -2,7 +2,7 @@
 file related operations, mainly reading
 """
 
-__all__ = ("AtomicWriteFile", 'write_file', 'UnbufferedWriteHandle', 'touch')
+__all__ = ("AtomicWriteFile", 'UnbufferedWriteHandle', 'touch')
 types = [""] + list("_%s" % x for x in ("ascii", "utf8"))
 __all__ += tuple("readfile%s" % x for x in types) + tuple("readlines%s" % x for x in types)
 del types
@@ -36,19 +36,6 @@ def touch(fname, mode=0o644, **kwargs):
             f.fileno() if os.utime in os.supports_fd else fname,
             dir_fd=None if os.supports_fd else dir_fd, **kwargs)
 
-
-def write_file(path, mode, stream, encoding=None):
-    f = None
-    try:
-        f = open(path, mode, encoding=encoding)
-        if isinstance(stream, (str, bytes)):
-            stream = [stream]
-        for data in stream:
-            f.write(data)
-    finally:
-        if f is not None:
-            f.close()
-
 def mmap_or_open_for_read(path):
     size = os.stat(path).st_size
     if size == 0: