gws - Help script for gradle application

bin/gws

@@ -1,26 +1,114 @@
 #!/usr/bin/env python3
 
 """
-gws = gw script
-
-alias cbx='gw clean build -x test'
-alias cbt='gw clean build compileTestKotlin'
-
-compileTestKotlin
-compositeTest
-some script to compile
-
-# use cases
-gws build test
-gws test
-gws composite
-gws clean build -x test :test :tools
-
+TODO
+could load shortcuts from envinroment
 """
 
-from sys import argv
+import os
+from sys import argv, exit
+
+shortcuts = {
+    'buildTest': ['compileTestKotlin'],
+    'btest': ['compileTestKotlin'],
+    'composite': ['compositeTest'],
+    'cb': ['clean', 'build'],
+    'cbx': ['clean', 'build', '-x', 'test'],
+    'cbt': ['clean', 'build', 'compileTestKotlin'],
+    '-nc': ['--no-build-cache'],
+    '-rr': ['--rerun-tasks']
+}
+
+# must keep next argument
+options = set(['-x', '-b', '-c', '-g', '-p', '-D', '-I', '-P'])
+
+help_text = """\
+Support functionality for gw application
+gws means gw script
+
+Use cases
+  gws clean build -x test :test :tools  
+  gws cb
+  gws cbt
+  gws cbx :microservices:afm-exec-api
+
+Options
+  --dry  doesn't start gw app
+"""
+
+
+def help():
+    print(help_text)
+    show_shortcuts()
+    exit(0)
+
+
+
+def show_shortcuts():
+    print('Shortcuts')
+    for key, value in shortcuts.items():
+        print('  {} ... {}'.format(key, ' '.join(value)))
+
+
+
+def flat_map(f, xs): 
+    return (y for ys in xs for y in f(ys))
+
+
+def split_options(args):
+    iterator = iter(args)
+    while True: 
+        try: 
+            arg = next(iterator)
+            if arg in options:
+                yield [arg, next(iterator)]
+            else:
+                yield [arg]
+        except StopIteration: 
+            break
+
+
+def mix_task_modules(modules, tasks): 
+    return (module + ':' + task for module in modules for task in tasks)
+
+
+def remake(args, modules):  
+    tasks = []
+    options = []
+    for item in split_options(args):
+        if item[0].startswith('-'):
+            options.extend(item)
+        else:
+            tasks.extend(item)
+    if modules and tasks:
+        return list(mix_task_modules(modules, tasks)) + options
+    else:
+        return tasks + modules + options
+
+
+def prepare_args(args):
+    modules = list(filter(lambda value: value.startswith(':'), args))
+    args = (arg for arg in argv[1:] if arg not in modules)
+    args = flat_map(lambda arg: shortcuts.get(arg, [arg]), args)
+    args = list(args)
+    args = remake(args, modules)       
+    return list(args)
+
+
+def prepare_command(args):
+    args = prepare_args(args)
+    return 'gw ' + ' '.join(args)
+
+
+def main(args): 
+    if (not args):
+        help()
+    cmd = prepare_command(args)
+    print('## ' + cmd)
+    if '--dry' not in args:
+        os.system(cmd)
+
+
+if __name__ == '__main__':
+    main(argv[1:])
 
-modules = list(filter(lambda value: value.startswith(':'), argv[1:]))
-args = [arg for arg in argv[1:] if arg not in modules]
-print(args)
-print(modules)