Internetarchive

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**Bugfixes**

- Fixed bug in ``ia tasks --get-task-log`` that was returning an unable to parse JSON error.

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**Features and Improvements**

- Only use backports.csv for python2 in support of FreeBDS port.
- Added a nicer error message to ``ia search`` for authentication errors.
- Added support for using netrc files in ``ia configure``.
- Added ``--remove`` option to ``ia metadata`` for removing values from single or mutli-field metadata elements.
- Added support for appending a metadata value to an existing metadata element (as a new entry, not simply appending to a string).
- Added ``--no-change-timestamp`` flag to ``ia download``.
Download files retain the timestamp of "now", not of the source material when this option is used.

**Bugfixes**

- Fixed bug in upload where StringIO objects were not uploadable.
- Fixed encoding issues that were causing some ``ia tasks`` commands to fail.
- Fixed bug where keep-old-version wasn't working in ``ia move``.
- Fixed bug in ``internetarchive.api.modify_metadata`` where debug and other args were not honoured.

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**Features and Improvements**

- Added support for downloading on-the-fly archive_marc.xml files.

**Bugfixes**

- Improved syntax checking in ``ia move`` and ``ia copy``.
- Added ``Connection:close`` header to all requests to force close connections after each request.
This is a workaround for dealing with a bug on archive.org servers where the server hangs up before sending the complete response.

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**Features and Improvements**

- Added ability to set the remote-name for a directory in ``ia upload`` (previously you could only do this for single files).

**Bugfixes**

- Fixed bug in ``ia delete`` where all requests were failing due to a typo in a function arg.

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**Features and Improvements**

- Turned on ``x-archive-keep-old-version`` S3 header by default for all ``ia upload``, ``ia delete``, ``ia copy``, and ``ia move`` commands.
This means that any ``ia`` command that clobbers or deletes a command, will save a version of the file in ``<identifier>/history/files/$key.~N~``.
This is only on by default in the CLI, and not in the Python lib.
It can be turne off by adding ``-H x-archive-keep-old-version:0`` to any ``ia upload``, ``ia delete``, ``ia copy``, or ``ia move`` command.

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**Features and Improvements**

- Increased timeout in search from 12 seconds to 24.
- Added ability to set the ``max_retries`` in :func:`internetarchive.search_items`.
- Made :meth:`internetarchive.ArchiveSession.mount_http_adapter` a public method for supporting complex custom retry logic.
- Added ``--timeout`` option to ``ia search`` for setting a custom timeout.
- Loosened requirements for schema library to ``schema>=0.4.0``.

**Bugfixes**

- The scraping API has reverted to using ``items`` key rather than ``docs`` key.
v1.7.3 will still work, but this change keeps ia consistent with the API.