文件操作 - file.py
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文件: /usr/share/bluefish/plugins/zencoding/interface/file.py
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''' @author Sergey Chikuyonok (serge.che@gmail.com) @link http://chikuyonok.ru ''' import os.path def read(path): """ Read file content and return it @param path: File's relative or absolute path @type path: str @return: str """ content = None try: fp = open(path, 'rb') content = fp.read() fp.close() except: pass return content def locate_file(editor_file, file_name): """ Locate <code>file_name</code> file that relates to <code>editor_file</code>. File name may be absolute or relative path @type editor_file: str @type file_name: str @return String or None if <code>file_name</code> cannot be located """ result = None previous_parent = '' parent = os.path.dirname(editor_file) while parent and os.path.exists(parent) and parent != previous_parent: tmp = create_path(parent, file_name) if os.path.exists(tmp): result = tmp break previous_parent = parent parent = os.path.dirname(parent) return result def create_path(parent, file_name): """ Creates absolute path by concatenating <code>parent</code> and <code>file_name</code>. If <code>parent</code> points to file, its parent directory is used @type parent: str @type file_name: str @return: str """ result = '' file_name = file_name.lstrip('/') if os.path.exists(parent): if os.path.isfile(parent): parent = os.path.dirname(parent) result = os.path.normpath(os.path.join(parent, file_name)) return result def save(file, content): """ Saves <code>content</code> as <code>file</code> @param file: File's asolute path @type file: str @param content: File content @type content: str """ try: fp = open(file, 'wb') except: fdirs, fname = os.path.split(file) if fdirs: os.makedirs(fdirs) fp = open(file, 'wb') fp.write(content) fp.close() def get_ext(file): """ Returns file extention in lower case @type file: str @return: str """ ext = os.path.splitext(file)[1] if ext: ext = ext[1:] return ext.lower()
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