2015-02-07 10:30:02 +00:00
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====
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pypi
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====
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2019-06-18 15:25:49 +00:00
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====================
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2013-08-09 13:13:15 +00:00
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Inject a PyPI mirror
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====================
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2014-02-19 01:03:56 +00:00
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Use a custom PyPI mirror to build images. The default is to bind mount one from
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2014-05-26 02:20:50 +00:00
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~/.cache/image-create/pypi/mirror into the build environment as mirror URL
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2019-11-24 16:27:47 +00:00
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file:///tmp/pypi. The element temporarily overwrites /root/.pip.conf to use it.
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2013-08-09 13:13:15 +00:00
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2014-02-19 01:03:56 +00:00
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When online, the official pypi.python.org pypi index is supplied as an
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extra-url, so uncached dependencies will still be available. When offline, only
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the mirror is used - be warned that a stale mirror will cause build failures.
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2014-03-25 03:44:46 +00:00
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To disable the pypi.python.org index without using --offline (e.g. when working
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behind a corporate firewall that prohibits pypi.python.org) set
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DIB\_NO\_PYPI\_PIP to any non-empty value.
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2014-02-19 01:03:56 +00:00
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2015-02-06 00:30:25 +00:00
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To use an arbitrary mirror set DIB\_PYPI\_MIRROR\_URL=http[s]://somevalue/
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2013-08-09 13:13:15 +00:00
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2015-02-06 00:30:25 +00:00
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Additional mirrors can be added by exporting DIB\_PYPI\_MIRROR\_URL\_1=... etc.
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2019-11-24 16:27:47 +00:00
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NB: The sort order for these variables is a simple string sort - if you
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2015-02-06 00:30:25 +00:00
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have more than 9 additional mirrors, some care will be needed.
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2014-03-25 03:44:46 +00:00
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2015-02-19 23:11:52 +00:00
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You can also set the number of retries that occur on failure by setting the
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DIB\_PIP\_RETRIES environment variable. If setting fallback pip mirrors you
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typically want to set this to 0 to prevent the need to fail multiple times
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before falling back.
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2014-03-25 03:44:46 +00:00
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A typical use of this element is thus:
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2015-02-06 00:30:25 +00:00
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export DIB\_PYPI\_MIRROR\_URL=http://site/pypi/Ubuntu-13.10
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export DIB\_PYPI\_MIRROR\_URL\_1=http://site/pypi/
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export DIB\_PYPI\_MIRROR\_URL\_2=file:///tmp/pypi
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2015-02-19 23:11:52 +00:00
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export DIB\_PIP\_RETRIES=0
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2014-03-25 03:44:46 +00:00
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2019-04-23 11:37:24 +00:00
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[devpi-server](https://pypi.python.org/pypi/devpi-server)
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2014-08-28 01:32:07 +00:00
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can be useful in making a partial PyPI mirror suitable for building images. For
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2014-03-25 03:44:46 +00:00
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instance:
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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* pip install -U devpi
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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* devpi-server quickstart
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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* devpi use http://machinename:3141
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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* Re-export your variables to point at the new mirror:
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2013-08-09 13:13:15 +00:00
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2015-02-06 00:30:25 +00:00
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export DIB\_PYPI\_MIRROR\_URL=http://machinename:3141/
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unset DIB\_PYPI\__MIRROR\_URL\_1
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unset DIB\_PYPI\__MIRROR\_URL\_2
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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The next time packages are installed, they'll be cached on the local devpi
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server; subsequent runs pointed at the same mirror will use the local cache if
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the upstream can't be contacted.
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2013-08-09 13:13:15 +00:00
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2014-08-28 01:32:07 +00:00
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Note that this process only has the server running temporarily; see
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[Quickstart: Permanent install on
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2019-06-18 15:25:49 +00:00
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server/laptop](https://devpi.net/docs/devpi/devpi/latest/+d/quickstart-server.html)
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guide from the devpi developers for more information on a more permanent setup.
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