text: #!/usr/bin/env python3
  
  # Copyright (c) 2019, Alchemy Meister
  # All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  #
  #     * Redistributions of source code must retain the above copyright notice,
  #       this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above copyright
  #       notice,this list of conditions and the following disclaimer in the
  #       documentation and/or other materials provided with the distribution.
  #     * Neither the name of the copyright holder nor the names of its
  #       contributors may be used to endorse or promote products derived from
  #       this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  
  """
  Helper to obtain the base adress of a module
  """
  
  from win32.defines import ERROR_BAD_LENGTH
  import win32.kernel32 as kernel32
  
  def get_module_base_address(pid, module_name):
      """
      Return the base address of a module given its name and process identifier.
      @type  pid: int
      @param pid: the identifier of the process in which the module is loaded.
      @type  process_name: str
      @param process_name: string by which the modules is identified.
      """
      address_to_return = None
      h_module_snap = None
      try:
          h_module_snap = kernel32.create_tool_help32snapshot(
              kernel32.TH32CS_SNAPMODULE, pid
          )
      except OSError:
          while kernel32.get_last_error() == ERROR_BAD_LENGTH:
              try:
                  h_module_snap = kernel32.create_tool_help32snapshot(
                      kernel32.TH32CS_SNAPMODULE, pid
                  )
              except OSError:
                  pass
  
      if h_module_snap:
          try:
              me32 = kernel32.module32first(h_module_snap)
              while me32:
                  if module_name.encode('ascii') == me32.sz_module:
                      address_to_return = me32.mod_base_addr
                      break
                  me32 = kernel32.module32next(h_module_snap, me32)
              kernel32.close_handle(h_module_snap)
              return address_to_return
          except OSError:
              kernel32.close_handle(h_module_snap)
      return None
  