mirror of
https://github.com/Watchful1/PushshiftDumps.git
synced 2025-07-27 08:35:16 -04:00
122 lines
3.8 KiB
Python
122 lines
3.8 KiB
Python
import zstandard
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import os
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import json
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import sys
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import csv
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from datetime import datetime
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import logging.handlers
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import traceback
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import praw
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from praw import endpoints
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import prawcore
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import time
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# put the path to the input file
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input_file = r"\\MYCLOUDPR4100\Public\wallstreetbets_gainloss_rehydrate.zst"
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# put the name or path to the output file. The file extension from below will be added automatically. If the input file is a folder, the output will be treated as a folder as well
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output_folder = r"\\MYCLOUDPR4100\Public\wallstreetbets_gainloss_images"
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# sets up logging to the console as well as a file
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log = logging.getLogger("bot")
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log.setLevel(logging.INFO)
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log_formatter = logging.Formatter('%(asctime)s - %(levelname)s: %(message)s')
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log_str_handler = logging.StreamHandler()
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log_str_handler.setFormatter(log_formatter)
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log.addHandler(log_str_handler)
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if not os.path.exists("../combine/logs"):
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os.makedirs("../combine/logs")
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log_file_handler = logging.handlers.RotatingFileHandler(os.path.join(
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"../combine/logs", "bot.log"), maxBytes=1024 * 1024 * 16, backupCount=5)
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log_file_handler.setFormatter(log_formatter)
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log.addHandler(log_file_handler)
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def query_reddit(ids, reddit, is_submission):
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id_prefix = 't3_' if is_submission else 't1_'
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id_string = f"{id_prefix}{(f',{id_prefix}'.join(ids))}"
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response = None
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for i in range(20):
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try:
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response = reddit.request(method="GET", path=endpoints.API_PATH["info"], params={"id": id_string})
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break
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except (prawcore.exceptions.ServerError, prawcore.exceptions.RequestException) as err:
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log.info(f"No response from reddit api for {is_submission}, sleeping {i * 5} seconds: {err} : {id_string}")
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time.sleep(i * 5)
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if response is None:
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log.warning(f"Reddit api failed, aborting")
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return []
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return response['data']['children']
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def write_line_zst(handle, line):
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handle.write(line.encode('utf-8'))
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handle.write("\n".encode('utf-8'))
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def read_and_decode(reader, chunk_size, max_window_size, previous_chunk=None, bytes_read=0):
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chunk = reader.read(chunk_size)
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bytes_read += chunk_size
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if previous_chunk is not None:
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chunk = previous_chunk + chunk
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try:
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return chunk.decode()
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except UnicodeDecodeError:
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if bytes_read > max_window_size:
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raise UnicodeError(f"Unable to decode frame after reading {bytes_read:,} bytes")
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log.info(f"Decoding error with {bytes_read:,} bytes, reading another chunk")
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return read_and_decode(reader, chunk_size, max_window_size, chunk, bytes_read)
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def read_lines_zst(file_name):
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with open(file_name, 'rb') as file_handle:
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buffer = ''
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reader = zstandard.ZstdDecompressor(max_window_size=2**31).stream_reader(file_handle)
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while True:
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chunk = read_and_decode(reader, 2**27, (2**29) * 2)
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if not chunk:
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break
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lines = (buffer + chunk).split("\n")
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for line in lines[:-1]:
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yield line.strip(), file_handle.tell()
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buffer = lines[-1]
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reader.close()
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if __name__ == "__main__":
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log.info(f"Input: {input_file} : Output: {output_folder}")
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reddit = praw.Reddit("Watchful1BotTest")
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file_size = os.stat(input_file).st_size
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created = None
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found_lines = 0
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total_lines = 0
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for line, file_bytes_processed in read_lines_zst(input_file):
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total_lines += 1
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if total_lines < 100000:
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continue
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obj = json.loads(line)
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created = datetime.utcfromtimestamp(int(obj['created_utc']))
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url = obj["url"]
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if "i.redd.it" in url:
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log.info(url)
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elif "reddit.com/gallery" in url and "media_metadata" in obj and obj["media_metadata"] is not None:
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for media in obj["media_metadata"]:
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log.info(obj["media_metadata"][media]["s"]["u"])
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if total_lines > 100100:
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break
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# if total_lines % 10000 == 0:
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# log.info(f"{created.strftime('%Y-%m-%d %H:%M:%S')} : {total_lines:,} : {found_lines:,} : {missing_lines:,} : {file_bytes_processed:,}:{(file_bytes_processed / file_size) * 100:.0f}%")
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# log.info(f"Complete : {total_lines:,} : {found_lines:,} : {missing_lines:,}")
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