42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
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"""Integrates Johnny Decimal Notation into Xonsh"""
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from xonsh.built_ins import XSH
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HOME = p"/run/media/riley/drive"
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def find_category(number: int, path, regex: str):
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"""Find matching JDN folder when given notation"""
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import re
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folders = path.iterdir()
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for folder in folders:
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if not folder.is_dir():
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continue
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folder_category = re.match(regex, folder.name)
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if folder_category is None:
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continue
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if len(folder_category.groups()) == 2:
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if number >= int(folder_category.group(1)) and number <= int(folder_category.group(2)):
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return folder
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elif len(folder_category.groups()) == 1:
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if number == int(folder_category.group((1))):
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return folder
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return path
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@XSH.builtins.events.on_transform_command
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def jds_preproc(cmd: str, **kw):
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"""processes command strings starting with "`" to cd to matching folder."""
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if cmd.startswith("`") and "." in cmd:
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jdn = cmd.replace("`", "")
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bucket = find_category(int(jdn.split(".")[0]), HOME, r"(^\d0)-(\d9)")
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category = find_category(int(jdn.split(".")[0]), bucket, r"^(\d\d)")
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folder = find_category(int(jdn.split(".")[1]), category, r"^(\d\d)")
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cmd = f"cd '{folder.resolve()}'"
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elif cmd.startswith("`"):
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jdn = cmd.replace("`", "")
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if jdn == "\n":
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return f"cd '{HOME.resolve()}'"
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bucket = find_category(int(jdn.split(".")[0]), HOME, r"(^\d0)-(\d9)")
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category = find_category(int(jdn.split(".")[0]), bucket, r"^(\d\d)")
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cmd = f"cd '{category.resolve()}'"
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return cmd
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