91 lines
2.5 KiB
Python
91 lines
2.5 KiB
Python
"""
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Facebook Messenger messages
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Uses the output of [[https://github.com/karlicoss/fbmessengerexport][fbmessengerexport]]
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"""
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REQUIRES = [
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'git+https://github.com/karlicoss/fbmessengerexport',
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]
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from contextlib import ExitStack, contextmanager
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from dataclasses import dataclass
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from pathlib import Path
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from typing import Iterator
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from my.core import PathIsh, Res, stat, Stats
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from my.core.warnings import high
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from my.config import fbmessenger as user_config
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import fbmessengerexport.dal as messenger
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###
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# support old style config
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_new_section = getattr(user_config, 'fbmessengerexport', None)
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_old_attr = getattr(user_config, 'export_db', None)
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if _new_section is None and _old_attr is not None:
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high("""DEPRECATED! Please modify your fbmessenger config to look like:
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class fbmessenger:
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class fbmessengerexport:
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export_db: PathIsh = '/path/to/fbmessengerexport/database'
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""")
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class fbmessengerexport:
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export_db = _old_attr
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setattr(user_config, 'fbmessengerexport', fbmessengerexport)
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###
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@dataclass
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class config(user_config.fbmessengerexport):
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export_db: PathIsh
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@contextmanager
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def _dal() -> Iterator[messenger.DAL]:
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model = messenger.DAL(config.export_db)
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with ExitStack() as stack:
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if hasattr(model, '__dal__'): # defensive to support legacy fbmessengerexport
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stack.enter_context(model)
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yield model
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def messages() -> Iterator[Res[messenger.Message]]:
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with _dal() as model:
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for t in model.iter_threads():
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yield from t.iter_messages()
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def stats() -> Stats:
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return stat(messages)
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### vvv not sure if really belongs here...
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def _dump_helper(model: messenger.DAL, tdir: Path) -> None:
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for t in model.iter_threads():
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name = t.name.replace('/', '_') # meh..
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path = tdir / (name + '.txt')
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with path.open('w') as fo:
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for m in t.iter_messages(order_by='-timestamp'):
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# TODO would be nice to have usernames perhaps..
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dts = m.dt.strftime('%Y-%m-%d %a %H:%M')
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msg = f"{dts}: {m.text}"
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print(msg, file=fo)
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def dump_chat_history(where: PathIsh) -> None:
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p = Path(where)
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assert not p.exists() or p.is_dir()
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from shutil import rmtree
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from tempfile import TemporaryDirectory
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with TemporaryDirectory() as tdir, _dal() as model:
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td = Path(tdir)
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_dump_helper(model, td)
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if p.exists():
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rmtree(p)
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td.rename(p)
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td.mkdir() # ugh, hacky way of preventing complaints from context manager
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