py3: use pycompat.bytestr() to convert str into bytes the keys of opts are str here, so we have to convert it to bytes before passing into error.Abort() Differential Revision: https://phab.mercurial-scm.org/D3617

py3: fix kwargs handling in hgext/rebase.py We add r'' prefixes to prevent the transformer adding b'' prefixes. # skip-blame because just r'' prefixes Differential Revision: https://phab.mercurial-scm.org/D3616

hgweb: wrap {entries}* of tags with mappinggenerator They were functions returning a generator of mappings. The laziness is handled by the mappinggenerator class.

hgweb: wrap {fentries} and {dentries} of manifest with mappinggenerator They were functions returning a generator of mappings.

hgweb: wrap {entries}* of changelog with mappinglist They were lists of mappings.

hgweb: wrap {lines} of filerevision with mappinggenerator No bare generator of mappings should be put in a template mapping.

hgweb: drop unused argument 'tmpl' from webutil.diffstat()

hgweb: use template context to render {diffstat} This is a preferred way to process nested templates.

hgweb: wrap {diffstat} with mappedgenerator This can't be a mappinggenerator since the associated templates are switched per item. We already have webutil.diffstatgen(). That's why the generator function is named as _diffstattmplgen().

pathencode: improve error messages slightly Both of these are conditions we should never hit, so we can afford to be more verbose to make debugging less baffling. Differential Revision: https://phab.mercurial-scm.org/D3589