An interruptible scanner that searches module synopses.
| 2304 | help = Helper() |
| 2305 | |
| 2306 | class ModuleScanner: |
| 2307 | """An interruptible scanner that searches module synopses.""" |
| 2308 | |
| 2309 | def run(self, callback, key=None, completer=None, onerror=None): |
| 2310 | if key: key = key.lower() |
| 2311 | self.quit = False |
| 2312 | seen = {} |
| 2313 | |
| 2314 | for modname in sys.builtin_module_names: |
| 2315 | if modname != '__main__': |
| 2316 | seen[modname] = 1 |
| 2317 | if key is None: |
| 2318 | callback(None, modname, '') |
| 2319 | else: |
| 2320 | name = __import__(modname).__doc__ or '' |
| 2321 | desc = name.split('\n')[0] |
| 2322 | name = modname + ' - ' + desc |
| 2323 | if name.lower().find(key) >= 0: |
| 2324 | callback(None, modname, desc) |
| 2325 | |
| 2326 | for importer, modname, ispkg in pkgutil.walk_packages(onerror=onerror): |
| 2327 | if self.quit: |
| 2328 | break |
| 2329 | |
| 2330 | if key is None: |
| 2331 | callback(None, modname, '') |
| 2332 | else: |
| 2333 | try: |
| 2334 | spec = pkgutil._get_spec(importer, modname) |
| 2335 | except SyntaxError: |
| 2336 | # raised by tests for bad coding cookies or BOM |
| 2337 | continue |
| 2338 | loader = spec.loader |
| 2339 | if hasattr(loader, 'get_source'): |
| 2340 | try: |
| 2341 | source = loader.get_source(modname) |
| 2342 | except Exception: |
| 2343 | if onerror: |
| 2344 | onerror(modname) |
| 2345 | continue |
| 2346 | desc = source_synopsis(io.StringIO(source)) or '' |
| 2347 | if hasattr(loader, 'get_filename'): |
| 2348 | path = loader.get_filename(modname) |
| 2349 | else: |
| 2350 | path = None |
| 2351 | else: |
| 2352 | try: |
| 2353 | module = importlib._bootstrap._load(spec) |
| 2354 | except ImportError: |
| 2355 | if onerror: |
| 2356 | onerror(modname) |
| 2357 | continue |
| 2358 | desc = module.__doc__.splitlines()[0] if module.__doc__ else '' |
| 2359 | path = getattr(module,'__file__',None) |
| 2360 | name = modname + ' - ' + desc |
| 2361 | if name.lower().find(key) >= 0: |
| 2362 | callback(path, modname, desc) |
| 2363 |
no outgoing calls
no test coverage detected