mirror of https://github.com/dirtbags/moth.git
Merge pull request #5 from pflarr/pflarr_edits
Added the ability to make a file just from a handle. Also, only accep…
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2360e12274
119
puzzles.py
119
puzzles.py
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@ -12,7 +12,6 @@ import tempfile
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messageChars = b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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def djb2hash(buf):
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h = 5381
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for c in buf:
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@ -27,12 +26,12 @@ PuzzleFile = namedtuple('PuzzleFile', ['path', 'handle', 'name', 'visible'])
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class Puzzle:
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KNOWN_KEYS = [
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'file',
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'resource',
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'temp_file',
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'answer',
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'points',
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'author',
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'file',
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'hidden',
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'name'
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'resource',
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'summary'
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]
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REQUIRED_KEYS = [
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@ -41,7 +40,7 @@ class Puzzle:
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'points'
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]
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SINGULAR_KEYS = [
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'points'
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'name'
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]
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# Get a big list of clean words for our answer file.
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@ -49,6 +48,11 @@ class Puzzle:
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'answer_words.txt'))]
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def __init__(self, path, category_seed):
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"""Puzzle objects need a path to a puzzle description (
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:param path:
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:param category_seed:
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"""
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super().__init__()
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self._dict = defaultdict(lambda: [])
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@ -61,32 +65,21 @@ class Puzzle:
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if not os.path.exists(path):
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raise ValueError("No puzzle at path: {]".format(path))
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elif os.path.isfile(path):
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try:
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# Expected format is path/<points_int>.moth
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self['points'] = int(os.path.split(path)[-1].split('.')[0])
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except (IndexError, ValueError):
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raise ValueError("Invalid puzzle config. "
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"Expected something like <point_value>.moth")
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stream = open(path)
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self._read_config(stream)
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elif os.path.isdir(path):
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try:
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# Expected format is path/<points_int>.moth
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self['points'] = int(os.path.split(path)[-1])
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except (IndexError, ValueError):
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raise ValueError("Invalid puzzle config. Expected an integer point value for a "
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"directory name.")
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pathname = os.path.split(path)[-1]
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try:
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self.points = int(pathname)
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except ValueError:
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pass
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files = os.listdir(path)
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if 'config.moth' in files:
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self._read_config(open(os.path.join(path, 'config.moth')))
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if 'puzzle.moth' in files:
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self._read_config(open(os.path.join(path, 'puzzle.moth')))
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if 'make.py' in files:
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if 'puzzle.py' in files:
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# Good Lord this is dangerous as fuck.
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loader = SourceFileLoader('puzzle_mod', os.path.join(path, 'make.py'))
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loader = SourceFileLoader('puzzle_mod', os.path.join(path, 'puzzle.py'))
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puzzle_mod = loader.load_module()
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if hasattr(puzzle_mod, 'make'):
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puzzle_mod.make(self)
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@ -99,6 +92,18 @@ class Puzzle:
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# Set our 'files' as a dict, since we want register them uniquely by name.
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self['files'] = dict()
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# A list of temporary files we've created that will need to be deleted.
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self._temp_files = []
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def cleanup(self):
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"""Cleanup any outstanding temporary files."""
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for path in self._temp_files:
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if os.path.exists(path):
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try:
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os.unlink(path)
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except OSError:
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pass
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def _read_config(self, stream):
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"""Read a configuration file (ISO 2822)"""
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body = []
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@ -110,7 +115,6 @@ class Puzzle:
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header = False
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continue
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key, val = line.split(':', 1)
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key = key.lower()
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val = val.strip()
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self[key] = val
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else:
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@ -122,7 +126,11 @@ class Puzzle:
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return hashlib.sha1(str(self.rand.random()).encode('ascii')).digest()
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def _puzzle_file(self, path, name, visible=True):
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"""Make a puzzle file instance for the given file.
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"""Make a puzzle file instance for the given file. To add files as you would in the config
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file (to 'file', 'hidden', or 'resource', simply assign to that keyword in the object:
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puzzle['file'] = 'some_file.txt'
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puzzle['hidden'] = 'some_hidden_file.txt'
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puzzle['resource'] = 'some_file_in_the_category_resource_directory_omg_long_name.txt'
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:param path: The path to the file
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:param name: The name of the file. If set to None, the published file will have
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a random hash as a name and have visible set to False.
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@ -137,20 +145,46 @@ class Puzzle:
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return PuzzleFile(path=path, handle=file, name=name, visible=visible)
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def make_file(self, name=None, mode='rw+b'):
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"""Get a file object for adding dynamically generated data to the puzzle.
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:param name: The name of the file for links within the puzzle. If this is None,
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the file will be hidden with a random hash as the name.
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def make_temp_file(self, name=None, mode='rw+b', visible=True):
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"""Get a file object for adding dynamically generated data to the puzzle. When you're
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done with this file, flush it, but don't close it.
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:param name: The name of the file for links within the puzzle. If this is None, a name
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will be generated for you.
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:param mode: The mode under which
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:param visible: Whether or not the file will be visible to the user.
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:return: A file object for writing
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"""
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file = tempfile.TemporaryFile(mode=mode, delete=False)
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if name is None:
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name = self.random_hash()
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self._dict['files'].append(self._puzzle_file(file.name, name))
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file = tempfile.NamedTemporaryFile(mode=mode, delete=False)
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file_read = open(file.name, 'rb')
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self._dict['files'][name] = PuzzleFile(path=file.name, handle=file_read,
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name=name, visible=visible)
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return file
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def make_handle_file(self, handle, name, visible=True):
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"""Add a file to the puzzle from a file handle.
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:param handle: A file object or equivalent.
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:param name: The name of the file in the final puzzle.
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:param visible: Whether or not it's visible.
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:return: None
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"""
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def __setitem__(self, key, value):
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"""Set a value for this puzzle, as if it were set in the config file. Most values default
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being added to a list. Files (regardless of type) go in a dict under ['files']. Keys
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in Puzzle.SINGULAR_KEYS are single values that get overwritten with subsequent assignments.
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Only keys in Puzzle.KNOWN_KEYS are accepted.
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:param key:
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:param value:
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:return:
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"""
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key = key.lower()
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if key in ('file', 'resource', 'hidden') and self._puzzle_dir is None:
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raise KeyError("Cannot set a puzzle file for single file puzzles.")
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@ -181,7 +215,7 @@ class Puzzle:
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raise KeyError("Invalid Attribute: {}".format(key))
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def __getitem__(self, item):
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return self._dict[item]
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return self._dict[item.lower()]
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def make_answer(self, word_count, sep=b' '):
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"""Generate and return a new answer. It's automatically added to the puzzle answer list.
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@ -199,21 +233,10 @@ class Puzzle:
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return answer
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def htmlify(self):
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"""Format and return the markdown for the puzzle body."""
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return mistune.markdown(self.body)
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def publish(self, dest):
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"""Deploy the puzzle to the given directory, and return the info needed for describing
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the puzzle and accepting answers in MOTH."""
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if not os.path.exists(dest):
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raise ValueError("Puzzle destination directory does not exist.")
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# Delete the original directory
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# Save puzzle html file
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# Copy over all the files.
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def publish(self):
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obj = {
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'author': self['author'],
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'hashes': self['hashes'],
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