1 files changed, 47 insertions, 0 deletions
diff --git a/devscripts/utils.py b/devscripts/utils.py
new file mode 100644
index 0000000..a952c9f
--- /dev/null
+++ b/devscripts/utils.py
@@ -0,0 +1,47 @@
+import argparse
+import functools
+import subprocess
+
+
+def read_file(fname):
+    with open(fname, encoding='utf-8') as f:
+        return f.read()
+
+
+def write_file(fname, content, mode='w'):
+    with open(fname, mode, encoding='utf-8') as f:
+        return f.write(content)
+
+
+def read_version(fname='yt_dlp/version.py', varname='__version__'):
+    """Get the version without importing the package"""
+    items = {}
+    exec(compile(read_file(fname), fname, 'exec'), items)
+    return items[varname]
+
+
+def get_filename_args(has_infile=False, default_outfile=None):
+    parser = argparse.ArgumentParser()
+    if has_infile:
+        parser.add_argument('infile', help='Input file')
+    kwargs = {'nargs': '?', 'default': default_outfile} if default_outfile else {}
+    parser.add_argument('outfile', **kwargs, help='Output file')
+
+    opts = parser.parse_args()
+    if has_infile:
+        return opts.infile, opts.outfile
+    return opts.outfile
+
+
+def compose_functions(*functions):
+    return lambda x: functools.reduce(lambda y, f: f(y), functions, x)
+
+
+def run_process(*args, **kwargs):
+    kwargs.setdefault('text', True)
+    kwargs.setdefault('check', True)
+    kwargs.setdefault('capture_output', True)
+    if kwargs['text']:
+        kwargs.setdefault('encoding', 'utf-8')
+        kwargs.setdefault('errors', 'replace')
+    return subprocess.run(args, **kwargs)