从命令行(emacs filename.py)运行时,flymake和pylint完美地协同工作.错误被正确突出显示. (虽然我无法工具提示悬停以获取错误详细信息,因为它是文本模式.)
当从GUI(Carbon Emacs)运行时,Flymake立即返回,并且文件中的第一行突出显示错误“in< module>”.第一行甚至在“Hello World”脚本上显示错误.)我想让它在GUI模式下正常工作,这样我就可以用鼠标导航(我知道,我知道)并使用工具提示来获取详细信息关于pylint报告的错误.
我用“easy_install pylint”安装了pylint,pylint和epylint脚本在“?/ py / scripts”中.我将该目录添加到我的.bashrc中的PATH中：
<code>export PATH=$PATH:~/py/scripts </code>
(我的.profile是我的.bashrc的符号链接.)
我意识到Emacs-GUI没有从我的.bashrc加载路径,所以我创建了一个?/ .MacOSX / environment.plist文件,用我在终端中看到的完整PATH设置PATH变量.
现在在Emacs-GUI“(getenv”PATH“)中”输出显示正确：
<code>"/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/git/bin:/usr/X11/bin:/Users/schof/py/scripts:/usr/X11R6/bin" </code>
同样,“C-h v exec-path”的输出显示正确：
<code>("/usr/bin" "/bin" "/usr/sbin" "/sbin" "/usr/local/bin" "/usr/local/git/bin" "/usr/X11/bin" "/Users/schof/py/scripts" "/Applications/Emacs.app/Contents/MacOS/libexec" "/Applications/Emacs.app/Contents/MacOS/bin" "/usr/X11R6/bin")
</code>
这让我对如何解决这个问题没有进一步的想法.我绝不是一个emacs大师,所以我可能会遗漏一些明显的东西;随时可以询问更多细节.
OS X 10.6.7;碳Emacs 22.3.1; pylint 0.23.0.
来自.emacs的Flymake / Pylint代码：
<code> (when (load "flymake" t)
(defun flymake-pylint-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 "epylint" (list local-file))))
(add-to-list 'flymake-allowed-file-name-masks
'("\.py\'" flymake-pylint-init)))
;; Auto-start flymake-mode when you go into python-mode
(add-hook 'python-mode-hook
'(lambda ()
(setq python-indent 4)
(flymake-mode)))
</code>
更新2011-04-05以回应@ sanityinc的回答：
* message *中的flymake的详细级别3输出:(这不会使问题的根源对我来说很明显.)
<code>starting syntax check as new-line has been seen flymake is running: nil file /Users/schof/pytest.py, init=flymake-pylint-init [3 times] create-temp-inplace: file=/Users/schof/pytest.py temp=/Users/schof/pytest_flymake.py saved buffer pytest.py in file /Users/schof/pytest_flymake.py started process 3221, command=(epylint pytest_flymake.py), dir=/Users/schof/ received 704 byte(s) of output from process 3221 file /Users/schof/pytest.py, init=flymake-pylint-init parsed 'Traceback (most recent call last):', no line-err-info parse line: file-idx=2 line-idx=3 file=/Users/schof/py/scripts/epylint line=4 text=in <module> get-real-file-name: file-name=/Users/schof/py/scripts/epylint real-name=~/py/scripts/epylint parsed ' File "/Users/schof/py/scripts/epylint", line 4, in <module>', got line-err-info parsed ' import pkg_resources', no line-err-info parse line: file-idx=2 line-idx=3 file=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py line=2556 text=in <module> get-real-file-name: file-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py real-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py parsed ' File "/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py", line 2556, in <module>', got line-err-info parsed ' working_set.require(__requires__)', no line-err-info parse line: file-idx=2 line-idx=3 file=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py line=620 text=in require get-real-file-name: file-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py real-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py parsed ' File "/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py", line 620, in require', got line-err-info parsed ' needed = self.resolve(parse_requirements(requirements))', no line-err-info parse line: file-idx=2 line-idx=3 file=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py line=518 text=in resolve get-real-file-name: file-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py real-name=/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py parsed ' File "/System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/pkg_resources.py", line 518, in resolve', got line-err-info parsed ' raise DistributionNotFound(req) # XXX put more info here', no line-err-info parsed 'pkg_resources.DistributionNotFound: pylint==0.23.0', no line-err-info file /Users/schof/pytest.py, init=flymake-pylint-init process 3221 exited with code 1 cleaning up using flymake-simple-cleanup deleted file /Users/schof/pytest_flymake.py created an overlay at (1-18) pytest.py: 4 error(s), 0 warning(s) in 0.47 second(s) </code>
为了比较,这是从emacs文本模式运行时flymake verbosity 3的输出. “hello world”文件通过了所有的pylint测试.
<code>starting syntax check as new-line has been seen flymake is running: nil file /Users/schof/pytest.py, init=flymake-pylint-init [3 times] create-temp-inplace: file=/Users/schof/pytest.py temp=/Users/schof/pytest_flymake.py saved buffer pytest.py in file /Users/schof/pytest_flymake.py started process 3395, command=(epylint pytest_flymake.py), dir=/Users/schof/ file /Users/schof/pytest.py, init=flymake-pylint-init process 3395 exited with code 0 cleaning up using flymake-simple-cleanup deleted file /Users/schof/pytest_flymake.py pytest.py: 0 error(s), 0 warning(s) in 0.30 second(s) </code>
解决方法:
要更清楚地看到出现了什么问题,请增加flymake的日志级别,然后查看* messages *：
<code>(setq flymake-log-level 3) </code>
没有这些信息,我不会推测可能存在的问题.
有一个避免环境.plist方法,BTW的技巧;您可以让Emacs向您的常规shell询问您的首选路径：
<code>(defun set-exec-path-from-shell-PATH ()
(let ((path-from-shell (replace-regexp-in-string
"[ tn]*$"
""
(shell-command-to-string "$SHELL --login -i -c 'echo $PATH'"))))
(setenv "PATH" path-from-shell)
(setq exec-path (split-string path-from-shell path-separator))))
(when (and window-system (eq system-type 'darwin))
;; When started from Emacs.app or similar, ensure $PATH
;; is the same the user would see in Terminal.app
(set-exec-path-from-shell-PATH))
</code>
(这是从my Emacs config开始的,其中包含一堆flymake代码,包括使用pyflakes的python配置,所以你可能想看看.)
更新：既然你已经添加了详细输出,我看到你的?/ py / epylint程序找不到pkg_resources,它指向PYTHONPATH错误.因此,使用上述技术的变体,试试这个：
<code>(defun setenv-from-shell (varname)
(setenv varname (replace-regexp-in-string
"[ tn]*$"
""
(shell-command-to-string (concat "$SHELL --login -i -c 'echo $" varname "'")))))
(setenv-from-shell "PYTHONPATH")
</code>
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