我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用linecache.cache()。
def __iter__(self): """Yield distributions for non-duplicate projects in the working set The yield order is the order in which the items' path entries were added to the working set. """ seen = {} for item in self.entries: if item not in self.entry_keys: # workaround a cache issue continue for key in self.entry_keys[item]: if key not in seen: seen[key] = 1 yield self.by_key[key]
def get_cache_path(self, archive_name, names=()): """Return absolute location in cache for `archive_name` and `names` The parent directory of the resulting path will be created if it does not already exist. `archive_name` should be the base filename of the enclosing egg (which may not be the name of the enclosing zipfile!), including its ".egg" extension. `names`, if provided, should be a sequence of path name parts "under" the egg's extraction location. This method should only be called by resource providers that need to obtain an extraction location, and only for names they intend to extract, as it tracks the generated names for possible cleanup later. """ extract_path = self.extraction_path or get_default_cache() target_path = os.path.join(extract_path, archive_name + '-tmp', *names) try: _bypass_ensure_directory(target_path) except: self.extraction_error() self._warn_unsafe_extraction_path(extract_path) self.cached_files[target_path] = 1 return target_path
def run_script(self, script_name, namespace): script = 'scripts/' + script_name if not self.has_metadata(script): raise ResolutionError("No script named %r" % script_name) script_text = self.get_metadata(script).replace('\r\n', '\n') script_text = script_text.replace('\r', '\n') script_filename = self._fn(self.egg_info, script) namespace['__file__'] = script_filename if os.path.exists(script_filename): source = open(script_filename).read() code = compile(source, script_filename, 'exec') exec(code, namespace, namespace) else: from linecache import cache cache[script_filename] = ( len(script_text), 0, script_text.split('\n'), script_filename ) script_code = compile(script_text, script_filename, 'exec') exec(script_code, namespace, namespace)
def getsourcefile(object): """Return the filename that can be used to locate an object's source. Return None if no way can be identified to get the source. """ filename = getfile(object) if string.lower(filename[-4:]) in ('.pyc', '.pyo'): filename = filename[:-4] + '.py' for suffix, mode, kind in imp.get_suffixes(): if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix: # Looks like a binary file. We want to only return a text file. return None if os.path.exists(filename): return filename # only return a non-existent filename if the module has a PEP 302 loader if hasattr(getmodule(object, filename), '__loader__'): return filename # or it is in the linecache if filename in linecache.cache: return filename
def __iter__(self): """Yield distributions for non-duplicate projects in the working set The yield order is the order in which the items' path entries were added to the working set. """ seen = {} for item in self.entries: if item not in self.entry_keys: # workaround a cache issue continue for key in self.entry_keys[item]: if key not in seen: seen[key]=1 yield self.by_key[key]
def get_cache_path(self, archive_name, names=()): """Return absolute location in cache for `archive_name` and `names` The parent directory of the resulting path will be created if it does not already exist. `archive_name` should be the base filename of the enclosing egg (which may not be the name of the enclosing zipfile!), including its ".egg" extension. `names`, if provided, should be a sequence of path name parts "under" the egg's extraction location. This method should only be called by resource providers that need to obtain an extraction location, and only for names they intend to extract, as it tracks the generated names for possible cleanup later. """ extract_path = self.extraction_path or get_default_cache() target_path = os.path.join(extract_path, archive_name+'-tmp', *names) try: _bypass_ensure_directory(target_path) except: self.extraction_error() self._warn_unsafe_extraction_path(extract_path) self.cached_files[target_path] = 1 return target_path
def run_script(self,script_name,namespace): script = 'scripts/'+script_name if not self.has_metadata(script): raise ResolutionError("No script named %r" % script_name) script_text = self.get_metadata(script).replace('\r\n','\n') script_text = script_text.replace('\r','\n') script_filename = self._fn(self.egg_info,script) namespace['__file__'] = script_filename if os.path.exists(script_filename): execfile(script_filename, namespace, namespace) else: from linecache import cache cache[script_filename] = ( len(script_text), 0, script_text.split('\n'), script_filename ) script_code = compile(script_text,script_filename,'exec') exec(script_code, namespace, namespace)
def run_script(self, script_name, namespace): script = 'scripts/'+script_name if not self.has_metadata(script): raise ResolutionError("No script named %r" % script_name) script_text = self.get_metadata(script).replace('\r\n', '\n') script_text = script_text.replace('\r', '\n') script_filename = self._fn(self.egg_info, script) namespace['__file__'] = script_filename if os.path.exists(script_filename): source = open(script_filename).read() code = compile(source, script_filename, 'exec') exec(code, namespace, namespace) else: from linecache import cache cache[script_filename] = ( len(script_text), 0, script_text.split('\n'), script_filename ) script_code = compile(script_text, script_filename,'exec') exec(script_code, namespace, namespace)
