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			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #!/usr/bin/env python
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| # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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| from __future__ import with_statement
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| 
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| __license__   = 'GPL v3'
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| __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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| __docformat__ = 'restructuredtext en'
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| 
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| import sys, os, cPickle, subprocess
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| from setup import Command
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| import __builtin__
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| 
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| def set_builtins(builtins):
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|     for x in builtins:
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|         if not hasattr(__builtin__, x):
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|             setattr(__builtin__, x, True)
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|             yield x
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| 
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| class Message:
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| 
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|     def __init__(self, filename, lineno, msg):
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|         self.filename, self.lineno, self.msg = filename, lineno, msg
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| 
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|     def __str__(self):
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|         return '%s:%s: %s'%(self.filename, self.lineno, self.msg)
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| 
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| def check_for_python_errors(code_string, filename):
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|     import _ast
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|     # First, compile into an AST and handle syntax errors.
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|     try:
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|         tree = compile(code_string, filename, "exec", _ast.PyCF_ONLY_AST)
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|     except (SyntaxError, IndentationError) as value:
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|         msg = value.args[0]
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| 
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|         (lineno, offset, text) = value.lineno, value.offset, value.text
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| 
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|         # If there's an encoding problem with the file, the text is None.
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|         if text is None:
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|             # Avoid using msg, since for the only known case, it contains a
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|             # bogus message that claims the encoding the file declared was
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|             # unknown.
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|             msg = "%s: problem decoding source" % filename
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| 
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|         return [Message(filename, lineno, msg)]
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|     else:
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|         checker = __import__('pyflakes.checker').checker
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|         # Okay, it's syntactically valid.  Now check it.
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|         w = checker.Checker(tree, filename)
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|         w.messages.sort(lambda a, b: cmp(a.lineno, b.lineno))
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|         return [Message(x.filename, x.lineno, x.message%x.message_args) for x in
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|                 w.messages]
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| 
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| class Check(Command):
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| 
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|     description = 'Check for errors in the calibre source code'
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| 
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|     BUILTINS = ['_', '__', 'dynamic_property', 'I', 'P', 'lopen', 'icu_lower',
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|             'icu_upper', 'icu_title', 'ngettext']
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|     CACHE = '.check-cache.pickle'
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| 
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|     def get_files(self, cache):
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|         for x in os.walk(self.j(self.SRC, 'calibre')):
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|             for f in x[-1]:
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|                 y = self.j(x[0], f)
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|                 mtime = os.stat(y).st_mtime
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|                 if (f.endswith('.py') and f not in ('ptempfile.py', 'feedparser.py',
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|                     'pyparsing.py', 'markdown.py') and
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|                     'genshi' not in y and cache.get(y, 0) != mtime and
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|                     'prs500/driver.py' not in y):
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|                         yield y, mtime
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| 
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|         for x in os.walk(self.j(self.d(self.SRC), 'recipes')):
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|             for f in x[-1]:
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|                 f = self.j(x[0], f)
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|                 mtime = os.stat(f).st_mtime
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|                 if f.endswith('.recipe') and cache.get(f, 0) != mtime:
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|                     yield f, mtime
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| 
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| 
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|     def run(self, opts):
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|         cache = {}
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|         if os.path.exists(self.CACHE):
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|             cache = cPickle.load(open(self.CACHE, 'rb'))
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|         builtins = list(set_builtins(self.BUILTINS))
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|         for f, mtime in self.get_files(cache):
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|             self.info('\tChecking', f)
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|             w = check_for_python_errors(open(f, 'rb').read(), f)
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|             if w:
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|                 self.report_errors(w)
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|                 cPickle.dump(cache, open(self.CACHE, 'wb'), -1)
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|                 subprocess.call(['gvim', '-f', f])
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|                 raise SystemExit(1)
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|             cache[f] = mtime
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|         for x in builtins:
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|             delattr(__builtin__, x)
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|         cPickle.dump(cache, open(self.CACHE, 'wb'), -1)
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|         wn_path = os.path.expanduser('~/work/servers/src/calibre_servers/main')
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|         if os.path.exists(wn_path):
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|             sys.path.insert(0, wn_path)
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|             self.info('\tChecking Changelog...')
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|             os.environ['DJANGO_SETTINGS_MODULE'] = 'calibre_servers.status.settings'
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|             import whats_new
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|             whats_new.test()
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|             sys.path.remove(wn_path)
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| 
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|     def report_errors(self, errors):
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|         for err in errors:
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|             self.info('\t\t', str(err))
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| 
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