267 lines
9.3 KiB
Python
Executable File
267 lines
9.3 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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TODO: Pseude Retweets (aka Commments). Tweets in which the only URL is to another Tweet.
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TODO: Figure out if/when to show unshortened URLs in links contained in Tweets.
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TODO: Figure out bimap mode so stuff that is not latin-1 encodable can still be printed.
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"""
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import argparse
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import datetime
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import html
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import logging
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import sys
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import toml
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import tweepy
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger("tweet-printer")
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def load_config():
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fn = "config.toml"
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cfg = {}
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try:
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with open(fn, "r") as f:
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cfg = toml.load(f)
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except FileNotFoundError:
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logger.error(f"Can't open config file {fn}")
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sys.exit(1)
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except toml.TomlDecodeError as ex:
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logger.error(f"Can't parse config file {fn}: {ex}")
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sys.exit(1)
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if "auth" not in cfg:
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logger.error("Can't find auth section in configuration data.")
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sys.exit(1)
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authdata = cfg["auth"]
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if "consumer" not in authdata:
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logger.error("Can't find consumer auth section in configuration data.")
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sys.exit(1)
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consumerdata = authdata["consumer"]
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if "key" not in consumerdata or not consumerdata["key"]:
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logger.error("Can't find consumer key in configuration data.")
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sys.exit(1)
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if "secret" not in consumerdata or not consumerdata["secret"]:
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logger.error("Can't find consumer secret in configuration data.")
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sys.exit(1)
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if "access" not in authdata:
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logger.error("Can't find access auth section of configuration data.")
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sys.exit(1)
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accessdata = authdata["access"]
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if "token" not in accessdata:
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logger.error("Can't find access token in configuration data.")
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sys.exit(1)
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if "secret" not in accessdata:
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logger.error("Can't find access secret in configuration data.")
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sys.exit(1)
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return cfg
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def format_header(handle, name, dt, is_rt=None):
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space_total = 28
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header = ""
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if is_rt is None:
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is_rt = False
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if is_rt:
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header += "RT by "
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header += f"@{handle} "[:28]
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space_for_name = space_total-len(header)-2
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shortened_by=0
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if len(name)<=space_for_name:
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header+=f"({name})"
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else:
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shortened_name_len = space_for_name-3
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if shortened_name_len>0:
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shortened_by = len(name)-shortened_name_len
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header+=f"({name[:shortened_name_len]}...)"
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header = header.ljust(28)
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header += dt.strftime(" %Y-%m-%d %H:%M:%S")
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#if shortened_by>0:
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# header += f" name shoretened by {shortened_by}"
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return header
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class Printer:
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def __init__(self, port):
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self.port = port
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def __enter__(self):
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self.printer = open(self.port, "wb")
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self.printer.write(bytes([0x1b, 0x40])) # Initialize printer
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self.printer.write(bytes([0x1b, 0x74, 0x06])) # Set character code table to CP1252/Latin-1
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.printer.close()
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def write(self, data, newline=True, cut=False):
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if type(data) is str:
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data = data.encode("latin-1")
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elif type(data) is not bytes:
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logger.error("Unsupported type for Printer.write: "+str(type(data)))
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return
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self.printer.write(data)
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if newline:
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self.printer.write(bytes([13, 10]))
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if cut:
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self.printer.write(bytes([0x1d, 0x56, # Feed and Cut
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0x42, # Feed to cut position with extra length and cut
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10 # extra*Y Unit exta space
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]))
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def flush(self):
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self.printer.flush()
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class StreamListener(tweepy.StreamListener):
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def __init__(self, title, ignore_rt=False, printer=None):
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super().__init__()
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self.title = title
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self.seen_tweets = set()
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self.ignore_rt = ignore_rt
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self.printer = printer
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def on_status(self, status):
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if status.id in self.seen_tweets:
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print("********", status.id, "Already seen this tweet before")
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return True
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#with open("status.log", "at+") as f:
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# f.write(repr(status))
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# f.write("\n\n")
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rt = getattr(status, "retweeted_status", None)
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if not rt:
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print("********", status.id)
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self.seen_tweets.add(status.id)
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text = status.extended_tweet["full_text"] if status.truncated else status.text
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text = html.unescape(text)
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#print("[{}] New tweet from @{}: {}".format(self.title, status.user.screen_name, text))
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header = format_header(status.user.screen_name, status.user.name, status.created_at)
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print(header)
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print(text)
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if self.printer:
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try:
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encoded_header = header.encode("latin-1")
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encoded_text = text.encode("latin-1")
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self.printer.write(encoded_header)
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self.printer.write(encoded_text, True, True)
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self.printer.flush()
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except UnicodeEncodeError:
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print("Can't print. Encoding issue.")
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else:
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if self.ignore_rt:
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#print("******** Ignoring Retweet")
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return True
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if rt.id in self.seen_tweets:
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print("********", rt.id, "Already seen this retweeted before")
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return True
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print("********", rt.id)
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self.seen_tweets.add(rt.id)
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rt_text = rt.extended_tweet["full_text"] if rt.truncated else rt.text
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rt_text = html.unescape(rt_text)
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#print("[{}] New retweet by @{}:".format(self.title, status.user.screen_name))
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#print("@{}: {}".format(rt.user.screen_name, rt_text))
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header = format_header(status.user.screen_name, status.user.name, status.created_at, is_rt=True)
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rt_header = format_header(rt.user.screen_name, rt.user.name, rt.created_at)
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print(header)
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print(rt_header)
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print(rt_text)
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return True
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def on_error(self, status_code):
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if status_code == 420:
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return False
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"""
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------------------------------------------------
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@handle (name) xxxx-xx-xx xx:xx:xx
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RT by @handle (name) xxxx-xx-xx xx:xx:xx
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----------------------------
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"""
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def check_rate_limits(api):
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rate_limits = api.rate_limit_status()
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for category, endpoints in rate_limits["resources"].items():
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for endpoint, data in endpoints.items():
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limit = int(data["limit"])
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remaining = int(data["remaining"])
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reset = data["reset"]
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if limit!=remaining and endpoint not in ["/application/rate_limit_status"]:
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print(endpoint, f"{remaining}/{limit}",
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"Reset in:", datetime.datetime.fromtimestamp(reset)-datetime.datetime.now())
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def main():
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parser = argparse.ArgumentParser(description="Prints tweets to a thermal printer")
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parser.add_argument("-p", "--printer", type=str, metavar="printer",
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help="Which thermal printer to use (e.g. /dev/usb/lp1). If empty nothing will be printed.")
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rt_handling = parser.add_mutually_exclusive_group()
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rt_handling.add_argument("-n", "--no-retweets", action="store_true", default=None,
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help="Don't show retweets (default when monitoring hashtags)")
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rt_handling.add_argument("-r", "--retweets", action="store_true", default=None,
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help="Show retweets (default when showing user timeline)")
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parser.add_argument(metavar="keyword", nargs="*", type=str, dest="keywords",
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help="What to track. You can specify hashtags or keywords here. If empty the user timeline will be monitored instead")
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args = parser.parse_args()
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config = load_config()
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consumer_key = config["auth"]["consumer"]["key"]
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consumer_secret = config["auth"]["consumer"]["secret"]
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access_token = config["auth"]["access"]["token"]
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access_secret = config["auth"]["access"]["secret"]
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auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
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auth.set_access_token(access_token, access_secret)
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api = tweepy.API(auth)
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check_rate_limits(api)
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show_rts = None
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if len(args.keywords) == 0:
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show_rts = False if args.no_retweets else True
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else:
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show_rts = True if args.retweets else False
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stream_name = ",".join(args.keywords) if args.keywords else "Timeline"
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def start_streaming(listener, api):
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stream = tweepy.Stream(listener=listener, auth=api.auth)
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if args.keywords:
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stream.filter(track=args.keywords)
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else:
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stream.userstream()
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try:
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if args.printer:
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with Printer(args.printer) as thermal:
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logger.info("Streaming {} to thermal printer {}...".format(stream_name, thermal.port))
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listener = StreamListener(stream_name, ignore_rt=not show_rts, printer=thermal)
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start_streaming(listener, api)
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else:
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logger.info("Streaming {}...".format(stream_name))
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listener = StreamListener(stream_name, ignore_rt=not show_rts)
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start_streaming(listener, api)
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except KeyboardInterrupt:
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pass
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if __name__ == "__main__":
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main()
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