iremgari

#!/usr/bin/env python3

import os
from sys import argv
import glob

###### EDIT THESE ######

def eligible(name):
	# Determine whether a file should be renamed.
	return False

def process(name):
	# Return the new name given an old name.
	return name

def eligible_edit(name):
	# Determine whether a file should be edited, given its old name.
	return False

def process_edit(content):
	# Return the new file content given the old content.
	return content

######

# TODO: guard against overwrites
def rename(path=".", recursive=False, dryrun=False):
	print(f"Iremgari search root: {path}")
	for oldname in glob.glob("**", root_dir=path, recursive=recursive, include_hidden=True):
		if os.path.isfile(os.path.join(path, oldname)):
			if eligible_edit(oldname):
				print(f"Editing {oldname}")
				if not dryrun:
					with open(os.path.join(path, oldname)) as f:
						content = f.read()
					content = process_edit(content)
					with open(os.path.join(path, oldname), "w") as f:
						f.write(content)
			if eligible(oldname):
				newname = process(oldname)
				print(f"{oldname} -> {newname}")
				if not dryrun:
					os.rename(os.path.join(path, oldname), os.path.join(path, newname))

argchar_to_param = {
	"d": "dryrun",
	"r": "recursive"
}
args = dict()
if len(argv) >= 2:
	if argv[1][0] == "-":
		for argchar in argv[1][1:]:
			args[argchar_to_param[argchar]] = True
		if len(argv) >= 3:
			args["path"] = argv[2]
	else:
		args["path"] = argv[1]

rename(**args)