HPI/my/reddit/rexport.py

125 lines
2.9 KiB
Python

"""
Reddit data: saved items/comments/upvotes/etc.
"""
REQUIRES = [
'git+https://github.com/karlicoss/rexport',
]
from dataclasses import dataclass
from pathlib import Path
from typing import Iterator, Sequence
from my.core import (
get_files,
make_logger,
stat,
Paths,
Stats,
)
from my.core.cfg import make_config, Attrs
from my.core.common import mcachew
from my.config import reddit as uconfig
logger = make_logger(__name__)
@dataclass
class reddit(uconfig):
'''
Uses [[https://github.com/karlicoss/rexport][rexport]] output.
'''
# path[s]/glob to the exported JSON data
export_path: Paths
# hmm, also nice thing about this is that migration is possible to test without the rest of the config?
def migration(attrs: Attrs) -> Attrs:
# new structure, take top-level config and extract 'rexport' class
# previously, 'rexport' key could be location of the rexport repo on disk
if 'rexport' in attrs and not isinstance(attrs['rexport'], (str, Path)):
ex: uconfig.rexport = attrs['rexport']
attrs['export_path'] = ex.export_path
else:
from my.core.warnings import high
high("""DEPRECATED! Please modify your reddit config to look like:
class reddit:
class rexport:
export_path: Paths = '/path/to/rexport/data'
""")
export_dir = 'export_dir'
if export_dir in attrs: # legacy name
attrs['export_path'] = attrs[export_dir]
high(f'"{export_dir}" is deprecated! Please use "export_path" instead."')
return attrs
config = make_config(reddit, migration=migration)
###
try:
from rexport import dal
except ModuleNotFoundError as e:
from my.core.compat import pre_pip_dal_handler
dal = pre_pip_dal_handler('rexport', e, config, requires=REQUIRES)
# TODO ugh. this would import too early
# but on the other hand we do want to bring the objects into the scope for easier imports, etc. ugh!
# ok, fair enough I suppose. It makes sense to configure something before using it. can always figure it out later..
# maybe, the config could dynamically detect change and reimport itself? dunno.
###
def inputs() -> Sequence[Path]:
return get_files(config.export_path)
# fmt: off
Uid = dal.Sid # str
Save = dal.Save
Comment = dal.Comment
Submission = dal.Submission
Upvote = dal.Upvote
# fmt: on
def _dal() -> dal.DAL:
inp = list(inputs())
return dal.DAL(inp)
cache = mcachew(depends_on=inputs)
@cache
def saved() -> Iterator[Save]:
return _dal().saved()
@cache
def comments() -> Iterator[Comment]:
return _dal().comments()
@cache
def submissions() -> Iterator[Submission]:
return _dal().submissions()
@cache
def upvoted() -> Iterator[Upvote]:
return _dal().upvoted()
def stats() -> Stats:
return {
# fmt: off
**stat(saved ),
**stat(comments ),
**stat(submissions),
**stat(upvoted ),
# fmt: on
}