Tools for downloading and analyzing summaries and evaluating summarization systems.
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Installation Instructions

Newsroom requires Python 3 and can be installed using pip:

pip install -e git+git://

Data Processing Tools

Newsroom contains two scripts for downloading and processing data downloaded from First, download the "thin" data from

tar xvf thin.tar

Both the newsroom-scrape and newsroom-extract tools described below have argument help pages accessed with the --help command line option.

Data Scraping

The thin directory will contain three files, train.jsonl.gz, dev.jsonl.gz and test.jsonl.gz. To begin downloading the development set from, run the following:

newsroom-scrape --thin thin/dev.jsonl.gz --archive dev.archive

Estimated download time is indicated with a progress bar. If errors occur during downloading, you may need to re-run the script later to capture the missing articles. This process is network bound and depends mostly on, save your CPU cycles for the extraction stage!

The downloading process can be stopped at any time with Control-C and resumed later. It is also possible to perform extraction of a partially downloaded dataset with newsroom-extract before continuing to download the full version.

Data Extraction

The newsroom-extract tool extracts summaries and article text from the data downloaded by newsroom-scrape. This tool produces a new file that does not modify the original output file of newsroom-scrape, and can be run with:

newsroom-extract --archive dev.archive --dataset

The script automatically parallelizes extraction across your CPU cores. To disable this or reduce the number of cores used, use the --workers option. Like scraping, the extraction process can be stopped at any point with Control-C and resumed later.

Reading and Analyzing the Data

All data are represented using gzip-compressed JSON lines. The Newsroom package provides an easy tool to read an write these files — and do so up to 20x faster than the standard Python gz and json packages!

from newsroom import jsonl

# Read entire file:

with"", gzip = True) as train_file:
    train =

# Read file entry by entry:

with"", gzip = True) as train_file:
    for entry in train_file:
        print(entry["summary"], entry["text"])

Extraction Analysis

The Newsroom package also contains scripts for identifying extractive fragments and computing metrics described in the paper: coverage, density, and compression.

import random

from newsroom import jsonl
from newsroom.analyze import Fragments

with"", gzip = True) as train_file:
    train =

# Compute stats on random training example:

entry = random.choice(train)
summary, text = train[0]["summary"], train[0]["text"]
fragments = Fragments(summary, text)

# Print paper metrics:

print("Coverage:",    fragments.coverage())
print("Density:",     fragments.density())
print("Compression:", fragments.compression())

# Extractive fragments oracle:

print("List of extractive fragments:")

Evaluation Tools

Available soon!