def _main(filepath, options): try: if options.lines > 0: with open(filepath, 'rb') as f: if options.head: if options.follow: sys.stderr.write('Cannot follow from top of file.\n') sys.exit(1) lines = head(f, options.lines) else: lines = tail(f, options.lines) encoding = locale.getpreferredencoding() for line in lines: print(line.decode(encoding)) if options.follow: for line in follow_path(filepath): if line is not None: print(line) else: time.sleep(options.sleep) except KeyboardInterrupt: # Escape silently pass
def is_text_file(filepath, only_known_types=False): filepath = str(filepath) filetype = guess_type(filepath)[0] if not filetype == None: if filetype.startswith("text"): return True if sys.platform == "win32": return False if only_known_types == False: _file = None try: _file = file(filepath) headlines = head(_file, lines=3) for line in headlines: line.strip("\r\n").strip("\n").decode("ascii") return True except UnicodeError: pass except IOError: pass finally: if not _file == None: _file.close() return False
def is_text_file(filepath, only_known_types=False): filepath = str(filepath) filetype = guess_type(filepath)[0] if not filetype == None: if filetype.startswith('text'): return True if sys.platform == 'win32': return False if only_known_types == False: _file = None try: _file = file(filepath) headlines = head(_file, lines=3) for line in headlines: line.strip('\r\n').strip('\n').decode('ascii') return True except UnicodeError: pass except IOError: pass finally: if not _file == None: _file.close() return False
def show_file_contents(fname, head=0, tail=0): for line in tailer.head(open(fname), head): print(line) print('\t...') print('\t...') for line in tailer.tail(open(fname), tail): print(line)
def show_file_contents(fname, head=0, tail=0): # Display catalog file content for line in tailer.head(open(fname), head): print(line) print('\t...') print('\t...') for line in tailer.tail(open(fname), tail): print(line)
def __init__(self, theFile): self.theFile = theFile self.first = tl.head(open(theFile),1)[0].split() print "the top left corner has position: " + self.first[0] + "\t"+ self.first[1] self.last = tl.tail(open(theFile),1)[0].split() print "the bottom right corner has position: " + self.last[0] + "\t" + self.last[1] self.yrange=abs((float(self.last[1])-float(self.first[1]))/DELTAS) self.height=self.yrange*DELTAS print "the y-range of our map in boxes: " + str(self.yrange)+ " And the height in wg84 is "+str(self.height) self.xrange=abs((float(self.last[0])-float(self.first[0]))/DELTAS) self.length=self.xrange*DELTAS print "the x-range of our map in boxes: " + str(self.xrange)+ " And the length in wg84 is "+str(self.length)
def get_current_temperatures(filename=None, separator=','): if filename is None: _, filenames = get_temperature_log_file_list() filename = filenames[-1] with open(filename) as f: header = [s.strip() for s in tailer.head(f, 1).pop().split(separator)] current_strings = [s.strip() for s in tailer.tail(f, 1).pop().split(separator)] current = [] for s in current_strings: try: current.append(float(s)) except ValueError: current.append(s) return dict(zip(header, current))
def __init__(self, file_path, _separator=None, number_of_lines=5): headlines = [] try: _file = file(fs.join(*file_path) if hasattr(file_path, "__iter__") else file_path) headlines = head(_file, number_of_lines) if len(headlines) > number_of_lines: headlines = headlines[:number_of_lines] _file.close() except UnicodeError: pass except IOError: pass # get lines with letters [a-z, A-Z] self.headers = [line for line in headlines if len(line) > 0 and contains_letter(line)] # get lines without letters [a-z, A-Z], national signs could be a problem @IgnorePep8 self.data = [line for line in headlines if len(line) > 0 and not contains_letter(line)] self.initialize() self.separator = _separator
def __init__(self, file_path, _separator=None, number_of_lines=5): headlines = [] try: _file = file(fs.join(*file_path) if hasattr(file_path, '__iter__') else file_path) headlines = head(_file, number_of_lines) if len(headlines) > number_of_lines: headlines = headlines[:number_of_lines] _file.close() except UnicodeError: pass except IOError: pass #get lines with letters [a-z, A-Z] self.headers = [line for line in headlines \ if len(line) > 0 and contains_letter(line)] #get lines without letters [a-z, A-Z], national signs could be a problem @IgnorePep8 self.data = [line for line in headlines \ if len(line) > 0 and not contains_letter(line)] self.initialize() self.separator = _separator