mirror of
https://github.com/explosion/spaCy.git
synced 2024-11-10 19:57:17 +03:00
46dfe773e1
* replace unicode categories with raw list of code points * simplifying ranges * fixing variable length quotes * removing redundant regular expression * small cleanup of regexp notations * quotes and alpha as ranges instead of alterations * removed most regexp dependencies and features * exponential backtracking - unit tests * rewrote expression with pathological backtracking * disabling double hyphen tests for now * test additional variants of repeating punctuation * remove regex and redundant backslashes from load_reddit script * small typo fixes * disable double punctuation test for russian * clean up old comments * format block code * final cleanup * naming consistency * french strings as unicode for python 2 support * french regular expression case insensitive
98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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import bz2
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import re
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import srsly
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import sys
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import random
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import datetime
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import plac
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from pathlib import Path
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_unset = object()
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class Reddit(object):
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"""Stream cleaned comments from Reddit."""
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pre_format_re = re.compile(r"^[`*~]")
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post_format_re = re.compile(r"[`*~]$")
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url_re = re.compile(r"\[([^]]+)\]\(%%URL\)")
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link_re = re.compile(r"\[([^]]+)\]\(https?://[^\)]+\)")
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def __init__(self, file_path, meta_keys={"subreddit": "section"}):
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"""
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file_path (unicode / Path): Path to archive or directory of archives.
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meta_keys (dict): Meta data key included in the Reddit corpus, mapped
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to display name in Prodigy meta.
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RETURNS (Reddit): The Reddit loader.
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"""
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self.meta = meta_keys
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file_path = Path(file_path)
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if not file_path.exists():
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raise IOError("Can't find file path: {}".format(file_path))
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if not file_path.is_dir():
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self.files = [file_path]
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else:
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self.files = list(file_path.iterdir())
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def __iter__(self):
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for file_path in self.iter_files():
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with bz2.open(str(file_path)) as f:
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for line in f:
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line = line.strip()
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if not line:
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continue
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comment = srsly.json_loads(line)
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if self.is_valid(comment):
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text = self.strip_tags(comment["body"])
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yield {"text": text}
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def get_meta(self, item):
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return {name: item.get(key, "n/a") for key, name in self.meta.items()}
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def iter_files(self):
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for file_path in self.files:
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yield file_path
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def strip_tags(self, text):
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text = self.link_re.sub(r"\1", text)
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text = text.replace(">", ">").replace("<", "<")
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text = self.pre_format_re.sub("", text)
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text = self.post_format_re.sub("", text)
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text = re.sub(r"\s+", " ", text)
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return text.strip()
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def is_valid(self, comment):
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return (
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comment["body"] is not None
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and comment["body"] != "[deleted]"
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and comment["body"] != "[removed]"
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)
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def main(path):
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reddit = Reddit(path)
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for comment in reddit:
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print(srsly.json_dumps(comment))
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if __name__ == "__main__":
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import socket
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try:
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BrokenPipeError
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except NameError:
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BrokenPipeError = socket.error
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try:
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plac.call(main)
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except BrokenPipeError:
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import os, sys
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# Python flushes standard streams on exit; redirect remaining output
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# to devnull to avoid another BrokenPipeError at shutdown
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devnull = os.open(os.devnull, os.O_WRONLY)
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os.dup2(devnull, sys.stdout.fileno())
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sys.exit(1) # Python exits with error code 1 on EPIPE
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