python/js flymake syntax check

gistfile1.el

(when (load "flymake" t)

  ;; python syntax check
  (defun flymake-pyflakes-init ()
    (let* ((temp-file (flymake-init-create-temp-buffer-copy
      	       'flymake-create-temp-inplace))
  	   (local-file (file-relative-name
  			temp-file
  			(file-name-directory buffer-file-name)))
  	   (pycheck-bin (concat my-emacs-bin-directory
  				"pycheckers")))
      (list pycheck-bin (list local-file))))
  (add-to-list 'flymake-allowed-file-name-masks
  	       '("\\.py\\'" flymake-pyflakes-init))

  ;; javascript jslint
  (defun flymake-jslint-init ()
    (let* ((temp-file (flymake-init-create-temp-buffer-copy
  		       'flymake-create-temp-inplace))
           (local-file (file-relative-name
                        temp-file
                        (file-name-directory buffer-file-name))))
      (list "jschecker" (list local-file))))
  (setq flymake-err-line-patterns
  	(cons '("^\\(.*\\)(\\([[:digit:]]+\\)):\\(.*\\)$"
  		1 2 nil 3)
  	      flymake-err-line-patterns))

  (add-to-list 'flymake-allowed-file-name-masks
               '("\\.js\\'" flymake-jslint-init))
)