upstream/mercurial-mirror Files · tests/test-custom-filters.t

url: move URL parsing functions into util to improve startup time...

url: move URL parsing functions into util to improve startup time The introduction of the new URL parsing code has created a startup time regression. This is mainly due to the use of url.hasscheme() in the ui class. It ends up importing many libraries that the url module requires. This fix helps marginally, but if we can get rid of the urllib import in the URL parser all together, startup time will go back to normal. perfstartup time before the URL refactoring (8796fb6af67e): ! wall 0.050692 comb 0.000000 user 0.000000 sys 0.000000 (best of 100) current startup time (139fb11210bb): ! wall 0.070685 comb 0.000000 user 0.000000 sys 0.000000 (best of 100) after this change: ! wall 0.064667 comb 0.000000 user 0.000000 sys 0.000000 (best of 100)

Matt Mackall - - Load All Authors

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        $ hg init

        $ cat > .hg/hgrc <<EOF

        > [extensions]

        > prefixfilter = prefix.py

        > [encode]

        > *.txt = stripprefix: Copyright 2046, The Masters

        > [decode]

        > *.txt = insertprefix: Copyright 2046, The Masters

        > EOF

        $ cat > prefix.py <<EOF

        > from mercurial import util

        > def stripprefix(s, cmd, filename, **kwargs):

        >     header = '%s\n' % cmd

        >     if s[:len(header)] != header:

        >         raise util.Abort('missing header "%s" in %s' % (cmd, filename))

        >     return s[len(header):]

        > def insertprefix(s, cmd):

        >     return '%s\n%s' % (cmd, s)

        > def reposetup(ui, repo):

        >     repo.adddatafilter('stripprefix:', stripprefix)

        >     repo.adddatafilter('insertprefix:', insertprefix)

        > EOF

        $ cat > .hgignore <<EOF

        > .hgignore

        > prefix.py

        > prefix.pyc

        > EOF

        $ cat > stuff.txt <<EOF

        > Copyright 2046, The Masters

        > Some stuff to ponder very carefully.

        > EOF

        $ hg add stuff.txt

        $ hg ci -m stuff

      Repository data:

        $ hg cat stuff.txt

        Some stuff to ponder very carefully.

      Fresh checkout:

        $ rm stuff.txt

        $ hg up -C

        1 files updated, 0 files merged, 0 files removed, 0 files unresolved

        $ cat stuff.txt

        Copyright 2046, The Masters

        Some stuff to ponder very carefully.

        $ echo "Very very carefully." >> stuff.txt

        $ hg stat

        M stuff.txt

        $ echo "Unauthorized material subject to destruction." > morestuff.txt

      Problem encoding:

        $ hg add morestuff.txt

        $ hg ci -m morestuff

        abort: missing header "Copyright 2046, The Masters" in morestuff.txt

        [255]

        $ hg stat

        M stuff.txt

        A morestuff.txt

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				$ hg init

				$ cat > .hg/hgrc <<EOF
				> [extensions]
				> prefixfilter = prefix.py
				> [encode]
				> *.txt = stripprefix: Copyright 2046, The Masters
				> [decode]
				> *.txt = insertprefix: Copyright 2046, The Masters
				> EOF

				$ cat > prefix.py <<EOF
				> from mercurial import util
				> def stripprefix(s, cmd, filename, **kwargs):
				> header = '%s\n' % cmd
				> if s[:len(header)] != header:
				> raise util.Abort('missing header "%s" in %s' % (cmd, filename))
				> return s[len(header):]
				> def insertprefix(s, cmd):
				> return '%s\n%s' % (cmd, s)
				> def reposetup(ui, repo):
				> repo.adddatafilter('stripprefix:', stripprefix)
				> repo.adddatafilter('insertprefix:', insertprefix)
				> EOF

				$ cat > .hgignore <<EOF
				> .hgignore
				> prefix.py
				> prefix.pyc
				> EOF

				$ cat > stuff.txt <<EOF
				> Copyright 2046, The Masters
				> Some stuff to ponder very carefully.
				> EOF
				$ hg add stuff.txt
				$ hg ci -m stuff

				Repository data:

				$ hg cat stuff.txt
				Some stuff to ponder very carefully.

				Fresh checkout:

				$ rm stuff.txt
				$ hg up -C
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ cat stuff.txt
				Copyright 2046, The Masters
				Some stuff to ponder very carefully.
				$ echo "Very very carefully." >> stuff.txt
				$ hg stat
				M stuff.txt

				$ echo "Unauthorized material subject to destruction." > morestuff.txt

				Problem encoding:

				$ hg add morestuff.txt
				$ hg ci -m morestuff
				abort: missing header "Copyright 2046, The Masters" in morestuff.txt
				[255]
				$ hg stat
				M stuff.txt
				A morestuff.txt