Refactor config to argparse

Author: klamike

pysrc/juliacall/__init__.py

@@ -147,7 +147,6 @@ def args_from_config(config):
     CONFIG['opt_handle_signals'] = choice('handle_signals', ['yes', 'no'])[0]
     CONFIG['opt_startup_file'] = choice('startup_file', ['yes', 'no'])[0]
     CONFIG['opt_heap_size_hint'] = option('heap_size_hint')[0]
-    CONFIG['opt_banner'] = choice('banner', ['yes', 'no', 'short'])[0]
 
     # Stop if we already initialised
     if CONFIG['inited']:

pysrc/juliacall/__main__.py

@@ -4,16 +4,35 @@
     print("Experimental JuliaCall REPL requires PYTHON_JULIACALL_HANDLE_SIGNALS=yes")
     exit(1)
 
+import argparse
+from pathlib import Path
+parser = argparse.ArgumentParser("JuliaCall REPL (experimental)")
+parser.add_argument('--banner', choices=['yes', 'no', 'short'], default='yes', help='Enable or disable startup banner')
+parser.add_argument('--quiet', '-q', action='store_true', help='Quiet startup: no banner, suppress REPL warnings')
+parser.add_argument('--history-file', choices=['yes', 'no'], default='yes', help='Load or save history')
+parser.add_argument('--preamble', type=Path, help='Code to be included before the REPL starts')
+args = parser.parse_args()
+
 from juliacall import Main, Base
 
 Base.is_interactive = True
 
-Main.include(os.path.join(os.path.dirname(__file__), 'banner.jl'))
-Main.__PythonCall_banner()
+if not args.quiet:
+    Main.include(os.path.join(os.path.dirname(__file__), 'banner.jl'))
+    Main.__PythonCall_banner(Base.Symbol(args.banner))
 
 if Main.seval(r'VERSION > v"v1.11.0-alpha1"'):
     no_banner_opt = Base.Symbol("no")
 else:
     no_banner_opt = False
 
-Base.run_main_repl(True, False, no_banner_opt, True, True)
+if args.preamble:
+    Main.include(str(args.preamble.resolve()))
+
+Base.run_main_repl(
+    Base.is_interactive,
+    args.quiet,
+    no_banner_opt,
+    args.history_file == 'yes',
+    True
+)

pysrc/juliacall/banner.jl

@@ -1,14 +1,7 @@
 # https://github.com/JuliaLang/julia/blob/fae0d0ad3e5d9804533435fe81f4eaac819895af/stdlib/REPL/src/REPL.jl#L1727C1-L1795C4
 
-function __PythonCall_banner(io::IO = stdout)
-    banner_opt = begin
-        opts = Base.JLOptions()
-        b = opts.banner
-        b == -1 ? :yes :
-        b == 0 ? :no :
-        b == 1 ? :yes :
-        :short # b == 2
-    end
+function __PythonCall_banner(banner_opt::Symbol = :yes)
+    io = stdout
 
     if banner_opt == :no
         return