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Enable redirects to older release notes from the development doc builds.

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Prior to this, if you referenced a version of the release notes that was outside
of the current development build (e.g. 9.6) the URL would 404.

Reported by Andres Freund.
This commit is contained in:
Jonathan S. Katz
2019-03-20 16:58:13 -04:00
parent 3c3a117b66
commit 2d0b83ec3b
1 changed files with 12 additions and 5 deletions
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17
pgweb/docs/views.py
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@ -60,8 +60,9 @@ def docpage(request, version, filename):
# notes. Based on a change, from PostgreSQL 9.4 and up, release notes are
# only available for the current version (e.g. 11 only has 11.0, 11.1, 11.2)
# This checks to see if there is a mismatch (e.g. ver = 9.4, fullname = release-9-3-2.html)
# and perform a redirect to the older version
if fullname.startswith('release-') and ver >= Decimal("9.4") and not fullname.startswith('release-prior'):
# or if these are the development docs that are pointing to a released version
# and performs a redirect to the older version
if fullname.startswith('release-') and (ver >= Decimal("9.4") or version == "devel") and not fullname.startswith('release-prior'):
# figure out which version to redirect to. Note that the oldest version
# of the docs loaded is 7.2
release_version = re.sub(r'release-((\d+)(-\d+)?)(-\d+)?.html',
@ -77,9 +78,15 @@ def docpage(request, version, filename):
# if the version is greater than 10, truncate the number
if release_version >= Decimal('10'):
release_version = release_version.quantize(Decimal('1'), rounding=ROUND_DOWN)
# only proceed if the release version of the documents does not match
# the calculated release version
if release_version != ver:
# if these are developer docs (i.e. from the nightly build), we need to
# determine if these are release notes for a released version or not, i.e. if we are:
# a) viewing the docs for a version that does not exist yet (e.g. active
# development before an initial beta) OR
# b) viewing the docs for a beta version
is_released = Version.objects.filter(tree=release_version, testing=0).exists() if version == "devel" else True
# If we are viewing a released version of the release notesand the
# release versions do not match, then we redirect
if is_released and release_version != ver:
url = "/docs/"
if release_version >= Decimal('10'):
url += "{}/{}".format(int(release_version), fullname)