ch55xtool/ch55xtool.py: use __file__ as pathname base

then ch55xtool would work as well as python3 -m ch55xtool

Issue: #25
Signed-off-by: Huang Rui <[email protected]>

Author: vowstar

ch55xtool/ch55xtool.py

@@ -466,7 +466,7 @@ def __apply_option_list(opt_list, chip_ref, chip_cfgs, verbose=False):
 	return cfgs_changed, result_d
 
 def main():
-	pathname = os.path.dirname(sys.argv[0])
+	pathname = os.path.dirname(__file__) if '__file__' in globals() else os.path.dirname(sys.argv[0])
 	fullpath = os.path.abspath(pathname)
 
 	parser = argparse.ArgumentParser(

setup.py

@@ -2,7 +2,7 @@
 
 setuptools.setup(
     name="ch55xtool",
-    version="1.0.2",
+    version="1.0.3",
     author="Han Xiao",
     author_email="[email protected]",
     maintainer="https://github.com/MarsTechHAN/ch552tool/graphs/contributors",