keeps my ebooks nicely organized

ebook_organizer.py

"""
keeps my ebooks nicely organized
"""

import os
import re

categories = {
    "computer architecture": ["architecture", "computer architecture"],
    "ai": ["machine learning", "big data", "convolutional", "neural", "artificial", "intelligence"],
    "algorithms": ["algorithms", "data structures", "interview", "algorithmic", "algorithm"],
    "apache": ["apache", "hadoop"],
    "assembly": ["assembly", "assembler"],
    "c": ["c ", " c"],
    "chess": ["chess"],
    "cobol": ["cobol"],
    "cpp": ["c++", "cpp"],
    "c#": ["c#", "csharp", "sharp"],
    "compilers": ["interpreters", "parsers", "lexers", "lexical", "parser", "compiler", "compilers", "llvm"],
    "cryptography": ["coding theory", "cryptography", "encryption", "cryptanalysis"],
    "cs": ["computational", "computation", "computer science", "software design", "cs", "software engineering"],
    "dsp": ["dsp", "synthesis", "audio"],
    "emacs": ["emacs"],
    "game_programming": ["game"],
    "git": ["git", "github", "version control"],
    "graphics": ["ray", "raytracing", "graphics", "processing"],
    "security": ["hacking", "hackers", "hacker's", "penetration", "pentesting", "exploit", "exploits", "exploitation", "reverse engineering", "security"],
    "java": ["java"],
    "js": ["js", "json", "javascript", "html5", "node", "nodejs", "jquery", "d3", "html", "css", "full stack", "coffeescript"],
    "llvm": ["llvm"],
    "math": ["algebra", "algebraic", "statistics", "statistical", "geometry", "trigonometry", "trigonometric", "number", "math", "mathematics", "discrete"],
    "perl": ["perl"],
    "php": ["php"],
    "processing": ["processing"],
    "regex": ["regular expression", "regular expressions", "regex"],
    "ruby": ["rails", "ruby", "sinatra"],
    "functional": ["scala", "functional", "erlang", "f#", "haskell", "elixir", "lisp", "clojure", "ocaml"],
    "scratch": ["scratch"],
    "sql": ["mysql", "sql", "oracle", "database", "postgresql", "mongodb"],
    "supercollider": ["supercollider"],
    "unix": [
        "linux", "shell", "unix", "bash", "system administration", "network",
        "networking", "firewall", "ubuntu", "tcp/ip", "tcp", "tcpip", "administration", 
        "administrator", "red hat", "grep", "sed", "awk", "systems", "protocols",
        "bsd", "freebsd"
    ],
    "vb": ["visual basic"],
    "vi": ["vi", "vim"],
    "windows": ["powershell"],
    "xml": ["xml"]
} 
path = "unsorted"
keywords = {}

for k, v in categories.items():
    for x in v:
        keywords[x] = k

for filename in [x for x in os.listdir(path) if os.path.isfile(os.path.join(path, x))]:
    for term in [x for x in re.findall(r"[+'A-Za-z]+", filename.lower()) if x in keywords]:
        src = os.path.join(path, filename)
        dest = os.path.join(keywords[term], filename)

        try:
            if not os.path.exists(keywords[term]):
                os.makedirs(keywords[term])

            os.rename(src, dest)
            break
        except (FileNotFoundError, FileExistsError) as e:
            print(e)