old_contents: #
  # Copyright (C) 2009 The Android Open Source Project
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  class Progress(object):
    def __init__(self, title, total=0):
      self._title = title
      self._total = total
      self._done = 0
      self._lastp = -1
  
    def update(self, inc=1):
      self._done += inc
  
      if self._total <= 0:
        sys.stderr.write('\r%s: %d, ' % (
          self._title,
          self._done))
        sys.stderr.flush()
      else:
        p = (100 * self._done) / self._total
  
        if self._lastp != p:
          self._lastp = p
          sys.stderr.write('\r%s: %3d%% (%d/%d)  ' % (
            self._title,
            p,
            self._done,
            self._total))
          sys.stderr.flush()
  
    def end(self):
      if self._total <= 0:
        sys.stderr.write('\r%s: %d, done.  \n' % (
          self._title,
          self._done))
        sys.stderr.flush()
      else:
        p = (100 * self._done) / self._total
        sys.stderr.write('\r%s: %3d%% (%d/%d), done.  \n' % (
          self._title,
          p,
          self._done,
          self._total))
        sys.stderr.flush()
  
new_contents: #
  # Copyright (C) 2009 The Android Open Source Project
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  from trace import IsTrace
  
  class Progress(object):
    def __init__(self, title, total=0):
      self._title = title
      self._total = total
      self._done = 0
      self._lastp = -1
  
    def update(self, inc=1):
      self._done += inc
  
      if IsTrace():
        return
  
      if self._total <= 0:
        sys.stderr.write('\r%s: %d, ' % (
          self._title,
          self._done))
        sys.stderr.flush()
      else:
        p = (100 * self._done) / self._total
  
        if self._lastp != p:
          self._lastp = p
          sys.stderr.write('\r%s: %3d%% (%d/%d)  ' % (
            self._title,
            p,
            self._done,
            self._total))
          sys.stderr.flush()
  
    def end(self):
      if IsTrace():
        return
  
      if self._total <= 0:
        sys.stderr.write('\r%s: %d, done.  \n' % (
          self._title,
          self._done))
        sys.stderr.flush()
      else:
        p = (100 * self._done) / self._total
        sys.stderr.write('\r%s: %3d%% (%d/%d), done.  \n' % (
          self._title,
          p,
          self._done,
          self._total))
        sys.stderr.flush()
  
subject: Disable the progress meter when trace is enabled