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pycompat: custom implementation of urllib.parse.quote()...

pycompat: custom implementation of urllib.parse.quote() urllib.parse.quote() accepts either str or bytes and returns str. There exists a urllib.parse.quote_from_bytes() which only accepts bytes. We should probably use that to retain strong typing and avoid surprises. In addition, since nearly all strings in Mercurial are bytes, we probably don't want quote() returning unicode. So, this patch implements a custom quote() that only accepts bytes and returns bytes. The quoted URL should only contain URL safe characters which is a strict subset of ASCII. So `.encode('ascii', 'strict')` should be safe.

Matt Mackall - - Load All Authors

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      https://bz.mercurial-scm.org/2137

      Setup:

      create a little extension that has 3 side-effects:

      1) ensure changelog data is not inlined

      2) make revlog to use lazyparser

      3) test that repo.lookup() works

      1 and 2 are preconditions for the bug; 3 is the bug.

        $ cat > commitwrapper.py <<EOF

        > from mercurial import extensions, node, revlog

        > 

        > def reposetup(ui, repo):

        >     class wraprepo(repo.__class__):

        >         def commit(self, *args, **kwargs):

        >             result = super(wraprepo, self).commit(*args, **kwargs)

        >             tip1 = node.short(repo.changelog.tip())

        >             tip2 = node.short(repo.lookup(tip1))

        >             assert tip1 == tip2

        >             ui.write('new tip: %s\n' % tip1)

        >             return result

        >     repo.__class__ = wraprepo

        > 

        > def extsetup(ui):

        >     revlog._maxinline = 8             # split out 00changelog.d early

        >     revlog._prereadsize = 8           # use revlog.lazyparser

        > EOF

        $ cat >> $HGRCPATH <<EOF

        > [extensions]

        > commitwrapper = `pwd`/commitwrapper.py

        > EOF

        $ hg init repo1

        $ cd repo1

        $ echo a > a

        $ hg commit -A -m'add a with a long commit message to make the changelog a bit bigger'

        adding a

        new tip: 553596fad57b

      Test that new changesets are visible to repo.lookup():

        $ echo a >> a

        $ hg commit -m'one more commit to demonstrate the bug'

        new tip: 799ae3599e0e

        $ hg tip

        changeset:   1:799ae3599e0e

        tag:         tip

        user:        test

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     one more commit to demonstrate the bug

        $ cd ..

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g s	Goto summary page
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				https://bz.mercurial-scm.org/2137

				Setup:

				create a little extension that has 3 side-effects:
				1) ensure changelog data is not inlined
				2) make revlog to use lazyparser
				3) test that repo.lookup() works
				1 and 2 are preconditions for the bug; 3 is the bug.

				$ cat > commitwrapper.py <<EOF
				> from mercurial import extensions, node, revlog
				>
				> def reposetup(ui, repo):
				> class wraprepo(repo.__class__):
				> def commit(self, args, *kwargs):
				> result = super(wraprepo, self).commit(args, *kwargs)
				> tip1 = node.short(repo.changelog.tip())
				> tip2 = node.short(repo.lookup(tip1))
				> assert tip1 == tip2
				> ui.write('new tip: %s\n' % tip1)
				> return result
				> repo.__class__ = wraprepo
				>
				> def extsetup(ui):
				> revlog._maxinline = 8 # split out 00changelog.d early
				> revlog._prereadsize = 8 # use revlog.lazyparser
				> EOF

				$ cat >> $HGRCPATH <<EOF
				> [extensions]
				> commitwrapper = `pwd`/commitwrapper.py
				> EOF

				$ hg init repo1
				$ cd repo1
				$ echo a > a
				$ hg commit -A -m'add a with a long commit message to make the changelog a bit bigger'
				adding a
				new tip: 553596fad57b

				Test that new changesets are visible to repo.lookup():

				$ echo a >> a
				$ hg commit -m'one more commit to demonstrate the bug'
				new tip: 799ae3599e0e

				$ hg tip
				changeset: 1:799ae3599e0e
				tag: tip
				user: test
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: one more commit to demonstrate the bug


				$ cd ..