upstream/mercurial-mirror Files · contrib/debugshell.py

templater: pass (context, mapping) down to unwraphybrid()...

templater: pass (context, mapping) down to unwraphybrid() See the subsequent patches for why. I initially thought it would be wrong to pass a mapping to flatten() and stringify() since these functions may be applied to a tree of generators, where each node should be bound to the mapping when it was evaluated. But, actually that isn't a problem. If an intermediate node has to override a mapping dict, it can do on unwraphybrid() and yield "unwrapped" generator of byte strings: "{f(g(v))}" # literal template example. ^^^^ # g() want to override a mapping, so it returns a wrapped # object 'G{V}' with partial mapping 'lm' attached. ^^^^^^^ # f() stringifies 'G{V}', starting from a mapping 'm'. # when unwrapping 'G{}', it updates 'm' with 'lm', and # passes it to 'V'. This structure is important for the formatter (and the hgweb) to build a static template keyword, which can't access a mapping dict until evaluation phase.

Yuya Nishihara - - Load All Authors

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      # debugshell extension

      """a python shell with repo, changelog & manifest objects"""

      from __future__ import absolute_import

      import code

      import mercurial

      import sys

      from mercurial import (

          demandimport,

          registrar,

      )

      cmdtable = {}

      command = registrar.command(cmdtable)

      def pdb(ui, repo, msg, **opts):

          objects = {

              'mercurial': mercurial,

              'repo': repo,

              'cl': repo.changelog,

              'mf': repo.manifestlog,

          }

          code.interact(msg, local=objects)

      def ipdb(ui, repo, msg, **opts):

          import IPython

          cl = repo.changelog

          mf = repo.manifestlog

          cl, mf # use variables to appease pyflakes

          IPython.embed()

      @command('debugshell|dbsh', [])

      def debugshell(ui, repo, **opts):

          bannermsg = "loaded repo : %s\n" \

                      "using source: %s" % (repo.root,

                                            mercurial.__path__[0])

          pdbmap = {

              'pdb'  : 'code',

              'ipdb' : 'IPython'

          }

          debugger = ui.config("ui", "debugger")

          if not debugger:

              debugger = 'pdb'

          # if IPython doesn't exist, fallback to code.interact

          try:

              with demandimport.deactivated():

                  __import__(pdbmap[debugger])

          except ImportError:

              ui.warn(("%s debugger specified but %s module was not found\n")

                      % (debugger, pdbmap[debugger]))

              debugger = 'pdb'

          getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts)

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				# debugshell extension
				"""a python shell with repo, changelog & manifest objects"""

				from __future__ import absolute_import
				import code
				import mercurial
				import sys
				from mercurial import (
				demandimport,
				registrar,
				)

				cmdtable = {}
				command = registrar.command(cmdtable)

				def pdb(ui, repo, msg, **opts):
				objects = {
				'mercurial': mercurial,
				'repo': repo,
				'cl': repo.changelog,
				'mf': repo.manifestlog,
				}

				code.interact(msg, local=objects)

				def ipdb(ui, repo, msg, **opts):
				import IPython

				cl = repo.changelog
				mf = repo.manifestlog
				cl, mf # use variables to appease pyflakes

				IPython.embed()

				@command('debugshell\|dbsh', [])
				def debugshell(ui, repo, **opts):
				bannermsg = "loaded repo : %s\n" \
				"using source: %s" % (repo.root,
				mercurial.__path__[0])

				pdbmap = {
				'pdb' : 'code',
				'ipdb' : 'IPython'
				}

				debugger = ui.config("ui", "debugger")
				if not debugger:
				debugger = 'pdb'

				# if IPython doesn't exist, fallback to code.interact
				try:
				with demandimport.deactivated():
				__import__(pdbmap[debugger])
				except ImportError:
				ui.warn(("%s debugger specified but %s module was not found\n")
				% (debugger, pdbmap[debugger]))
				debugger = 'pdb'

				getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts)