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WACZ Format Tools

Project description

py-wacz

The py-wacz repository contains a Python module and command line utility for working with web archive data using the WACZ format specification. Web Archive Collection Zipped (WACZ) allows web archives to be shared and distributed by providing a predictable way of packaging up web archive data and metadata as a ZIP file. The wacz command line utility supports converting any WARC files into WACZ files, and optionally generating full-text search indices of pages.

Install

Use pip to install the module and a command line utility:

pip install wacz

Once installed you can use the wacz command line utility to create and validate WACZ files.

Create

To create a WACZ package you can point wacz at a WARC file and tell it where to write the WACZ with the -o option:

wacz create -o myfile.wacz <path/to/WARC>

The resulting myfile.wacz should be loadable via ReplayWeb.page.

wacz accepts the following options for customizing how the WACZ file is assembled.

-f --file

Explicitly declare the file being passed to the create function.

wacz create -f tests/fixtures/example-collection.warc

-o --output

Explicitly declare the name of the wacz being created.

wacz create tests/fixtures/example-collection.warc -o mywacz.wacz

-t --text

Generates pages.jsonl page index with a full-text index, must be run in conjunction with --detect-pages. Will have no effect if run alone.

wacz create tests/fixtures/example-collection.warc -t

--detect-pages

Generates pages.jsonl page index without a full-text index.

wacz create tests/fixtures/example-collection.warc --detect-pages

-p --pages

Overrides the pages index generation with the passed jsonl pages.

wacz create tests/fixtures/example-collection.warc -p passed_pages.jsonl

-t --text

You can add a full text index by including the --text tag.

wacz create tests/fixtures/example-collection.warc -p passed_pages.jsonl --text

-l --log-directory

Adds log files in specified directory to WACZ

wacz create tests/fixtures/example-collection.warc -l tests/fixtures/logs

--ts

Overrides the ts metadata value in the datapackage.json file.

wacz create tests/fixtures/example-collection.warc --ts TIMESTAMP

--url

Overrides the url metadata value in the datapackage.json file.

wacz create tests/fixtures/example-collection.warc --url URL

--title

Overrides the titles metadata value in the datapackage.json file.

wacz create tests/fixtures/example-collection.warc --title TITLE

--desc

Overrides the desc metadata value in the datapackage.json file.

wacz create tests/fixtures/example-collection.warc --desc DESC

--hash-type

Allows the user to specify the hash type used (sha256 or md5).

wacz create tests/fixtures/example-collection.warc --hash-type md5

--signing-url

An optional URL for WACZ signing server which will be used to add a signature to the new WACZ.

This URL should point to an authsign /sign api endpoint.

See the section on --verify-auth for more info on signing and verification.

--signing-token

An optional, secret token passed to signing server to allow access. See authsign for more details.

Validate

You can also validate an existing WACZ file by running:

wacz validate myfile.wacz

-f --file

Explicitly declare the file being passed to the validate function.

wacz validate -f tests/fixtures/example-collection.warc

--verify-auth

New option in 0.4.0, this option also verifies the WACZ is signed, using authsign

The verification can be done locally, or via remote signing/verification server.

To use remote server, add --verifier-url which should be a URL pointing to the authsign /verify endpoint.

To run locally, the authsign must be installed, which can be done by running pip install wacz[signing].

See WACZ Authentication Spec on WACZ authentication.

This feature and the specification are still in development (alpha-quality) and are subject to change.

Testing

If you are developing wacz you can run the unit tests with pytest:

pytest tests

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