old_contents: import subprocess
  from urllib import quote
  from plyer.facades import Email
  
  class LinuxEmail(Email):
      def _send(self, **kwargs):
          recipient = kwargs.get('recipient')
          subject = kwargs.get('subject')
          text = kwargs.get('text')
          create_chooser = kwargs.get('create_chooser')
  
          uri = "mailto:"
          args = ["xdg-email"]
          if recipient:
              uri += str(recipient)
              args += [str(recipient)]
          if subject:
              uri += "?" if not "?" in uri else "&"
              uri += "subject="
              uri += quote(str(subject))
              args += ["--subject", str(subject)]
          if text:
              uri += "?" if not "?" in uri else "&"
              uri += "body="
              uri += quote(str(text))
              args += ["--body", str(text)]
  
          try:
              subprocess.Popen(args)
          except OSError:
              try:
                  subprocess.Popen(["xdg-open", uri])
              except OSError:
                  print "Warning: unable to start an email client. Make sure xdg-open is installed."
  
  
  def instance():
      return LinuxEmail()
  
new_contents: import subprocess
  from urllib import quote
  from plyer.facades import Email
  
  class LinuxEmail(Email):
      def _send(self, **kwargs):
          recipient = kwargs.get('recipient')
          subject = kwargs.get('subject')
          text = kwargs.get('text')
          create_chooser = kwargs.get('create_chooser')
  
          uri = "mailto:"
          if recipient:
              uri += str(recipient)
          if subject:
              uri += "?" if not "?" in uri else "&"
              uri += "subject="
              uri += quote(str(subject))
          if text:
              uri += "?" if not "?" in uri else "&"
              uri += "body="
              uri += quote(str(text))
  
          subprocess.Popen(["xdg-open", uri])
  
  
  def instance():
      return LinuxEmail()
  
subject: revert previous commit, use xdg-open to open email client