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show: construct changeset templater during dispatch...

show: construct changeset templater during dispatch Previously, we constructed a formatter from a specific template topic. Then from show() we reached into the internals of the formatter to resolve a template string to be used to construct a changeset templater. A downside to this approach was it limited us to having the entire template defined in a single entry in the map file. You couldn't reference other entries in the map file and this would lead to long templates and redundancy in the map file. This commit teaches @showview how to instantiate a changeset templater so we can construct a templater with full access to the map file. To prove it works, we've split "showwork" into components.

Robert Stanca - - Load All Authors

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      # Read the output of a "svn log --xml" command on stdin, parse it and

      # print a subset of attributes common to all svn versions tested by

      # hg.

      from __future__ import absolute_import

      import sys

      import xml.dom.minidom

      def xmltext(e):

          return ''.join(c.data for c

                         in e.childNodes

                         if c.nodeType == c.TEXT_NODE)

      def parseentry(entry):

          e = {}

          e['revision'] = entry.getAttribute('revision')

          e['author'] = xmltext(entry.getElementsByTagName('author')[0])

          e['msg'] = xmltext(entry.getElementsByTagName('msg')[0])

          e['paths'] = []

          paths = entry.getElementsByTagName('paths')

          if paths:

              paths = paths[0]

              for p in paths.getElementsByTagName('path'):

                  action = p.getAttribute('action')

                  path = xmltext(p)

                  frompath = p.getAttribute('copyfrom-path')

                  fromrev = p.getAttribute('copyfrom-rev')

                  e['paths'].append((path, action, frompath, fromrev))

          return e

      def parselog(data):

          entries = []

          doc = xml.dom.minidom.parseString(data)

          for e in doc.getElementsByTagName('logentry'):

              entries.append(parseentry(e))

          return entries

      def printentries(entries):

          fp = sys.stdout

          for e in entries:

              for k in ('revision', 'author', 'msg'):

                  fp.write(('%s: %s\n' % (k, e[k])).encode('utf-8'))

              for path, action, fpath, frev in sorted(e['paths']):

                  frominfo = ''

                  if frev:

                      frominfo = ' (from %s@%s)' % (fpath, frev)

                  p = ' %s %s%s\n' % (action, path, frominfo)

                  fp.write(p.encode('utf-8'))

      if __name__ == '__main__':

          data = sys.stdin.read()

          entries = parselog(data)

          printentries(entries)

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				# Read the output of a "svn log --xml" command on stdin, parse it and
				# print a subset of attributes common to all svn versions tested by
				# hg.
				from __future__ import absolute_import
				import sys
				import xml.dom.minidom

				def xmltext(e):
				return ''.join(c.data for c
				in e.childNodes
				if c.nodeType == c.TEXT_NODE)

				def parseentry(entry):
				e = {}
				e['revision'] = entry.getAttribute('revision')
				e['author'] = xmltext(entry.getElementsByTagName('author')[0])
				e['msg'] = xmltext(entry.getElementsByTagName('msg')[0])
				e['paths'] = []
				paths = entry.getElementsByTagName('paths')
				if paths:
				paths = paths[0]
				for p in paths.getElementsByTagName('path'):
				action = p.getAttribute('action')
				path = xmltext(p)
				frompath = p.getAttribute('copyfrom-path')
				fromrev = p.getAttribute('copyfrom-rev')
				e['paths'].append((path, action, frompath, fromrev))
				return e

				def parselog(data):
				entries = []
				doc = xml.dom.minidom.parseString(data)
				for e in doc.getElementsByTagName('logentry'):
				entries.append(parseentry(e))
				return entries

				def printentries(entries):
				fp = sys.stdout
				for e in entries:
				for k in ('revision', 'author', 'msg'):
				fp.write(('%s: %s\n' % (k, e[k])).encode('utf-8'))
				for path, action, fpath, frev in sorted(e['paths']):
				frominfo = ''
				if frev:
				frominfo = ' (from %s@%s)' % (fpath, frev)
				p = ' %s %s%s\n' % (action, path, frominfo)
				fp.write(p.encode('utf-8'))

				if __name__ == '__main__':
				data = sys.stdin.read()
				entries = parselog(data)
				printentries(entries)