106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# Check for the right Python version
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import sys
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if sys.version_info[0] < 3:
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raise Exception("Lexipython requires Python 3")
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import argparse
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import os
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def is_lexicon(name):
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"""
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Checks whether the given name is an extant Lexicon game.
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Inputs:
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name The Lexicon name to check.
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Output:
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If the given name is an extant Lexicon, returns a tuple (True, status)
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where status is a string with the status of the named Lexicon.
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If the given name is not an extant Lexicon, returns a tuple
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(False, errormsg) where errormsg is a string detailing the error.
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"""
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if not os.path.isdir(os.path.join("lexicon", name)):
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return (False, "There is no Lexicon named '{}'.".format(name))
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# TODO: Verify the folder is a Lexicon
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#return (False, "'{}' is not a Lexicon game, or it may be corrupted.".format(name))
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return (True, "A Lexicon")
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def overview_all():
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"""
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Prints the names and statuses of all extant Lexicons,
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or a short help message if none have been created yet.
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"""
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# Scan the directory
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lexicon_names = []
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with os.scandir("lexicon") as lexicons:
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for entry in lexicons:
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check = is_lexicon(entry.name)
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if check[0]:
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lexicon_names.append((entry.name, check[1]))
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# Print the results
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if len(lexicon_names) > 0:
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l = max([len(name[0]) for name in lexicon_names]) + 4
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print("Lexicons:")
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for name, status in sorted(lexicon_names):
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print(" {}{}{}".format(name, " " * (l - len(name)), status))
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else:
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print("There are no Lexicons yet. Create one with:\n\n"\
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" lexipython.py [name] init")
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def overview_one(name):
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"""
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Prints the status and summary information for the Lexicon with the
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given name.
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"""
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# Verify the name
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check = is_lexicon(name)
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if not check[0]:
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print("Error: " + check[1])
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def run_command(name, command):
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"""
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Runs the specified command on the specified Lexicon.
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"""
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# Verify name
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check = is_lexicon(name)
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if not check[0]:
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print("Error: " + check[1])
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return
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# Dispatch commands
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if command == "init":
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return
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elif command == "build":
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return
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elif command == "run":
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return
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else:
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print("Error: '{}' is not a valid command.".format(command))
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return
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def main():
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parser = argparse.ArgumentParser(
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description="Lexipython is a Python application for playing the Lexicon RPG.",
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epilog="Run lexipython.py without arguments to list the extant Lexicons.\n\n"\
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"Available commands:\n\n"\
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" init Create a Lexicon with the provided name\n"\
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" build Build the Lexicon, then exit\n"\
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" run Launch a persistent server managing the Lexicon\n",
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formatter_class=argparse.RawTextHelpFormatter)
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parser.add_argument("name", help="The name of the Lexicon to operate on",
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nargs="?", default=None)
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parser.add_argument("command", help="The operation to perform on the Lexicon",
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nargs="?", default=None)
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args = parser.parse_args()
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# If no Lexicon as specified
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if args.name is None:
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overview_all()
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# If no command was specified
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elif args.command is None:
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overview_one(args.name)
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# A command was specified
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else:
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run_command(args.name, args.command)
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if __name__ == "__main__":
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main() |