1 #!/usr/bin/env python2.7 2 3 # Copyright 2014, ARM Limited 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions are met: 8 # 9 # * Redistributions of source code must retain the above copyright notice, 10 # this list of conditions and the following disclaimer. 11 # * Redistributions in binary form must reproduce the above copyright notice, 12 # this list of conditions and the following disclaimer in the documentation 13 # and/or other materials provided with the distribution. 14 # * Neither the name of ARM Limited nor the names of its contributors may be 15 # used to endorse or promote products derived from this software without 16 # specific prior written permission. 17 # 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 25 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 30 import sys 31 import time 32 import multiprocessing 33 34 35 __need_newline__ = multiprocessing.Value('i', 0) 36 __last_overwritable_line_length__ = multiprocessing.Value('i', 0) 37 __print_lock__ = multiprocessing.Lock() 38 39 40 # If the last printed character was not a newline, print one. 41 def EnsureNewLine(): 42 global __need_newline__ 43 44 if __need_newline__.value: 45 __need_newline__.value = 0 46 sys.stdout.write('\n') 47 48 49 # Like print, but insert a newline if necessary to avoid corrupting the status 50 # display (provided by UpdateProgress). 51 def Print(string): 52 global __last_overwritable_line_length__ 53 54 EnsureNewLine() 55 print string 56 __last_overwritable_line_length__.value = 0 57 58 59 def PrintOverwritableLine(string, verbose = False): 60 global __need_newline__ 61 global __last_overwritable_line_length__ 62 63 with __print_lock__: 64 if verbose: 65 # In verbose mode we do not overwrite previous lines. 66 EnsureNewLine() 67 else: 68 # Otherwise, overwrite the previous line. 69 sys.stdout.write('\r') 70 71 sys.stdout.write(string) 72 73 # Append spaces to hide the previous line. 74 new_len = len(string) 75 spaces = __last_overwritable_line_length__.value - new_len 76 if spaces > 0: 77 sys.stdout.write(' ' * spaces) 78 __last_overwritable_line_length__.value = new_len 79 80 # We haven't printed a newline, so any subsequent print output (with verbose 81 # logs or error reports) will need to print one. 82 __need_newline__.value = 1 83 84 85 # Display the run progress: 86 # [time| progress|+ passed|- failed] Name 87 def UpdateProgress(start_time, passed, failed, count, verbose, name, 88 prefix = ''): 89 minutes, seconds = divmod(time.time() - start_time, 60) 90 progress = float(passed + failed) / count * 100 91 passed_colour = '\x1b[32m' if passed != 0 else '' 92 failed_colour = '\x1b[31m' if failed != 0 else '' 93 indicator = '[%02d:%02d| %3d%%|' 94 indicator += passed_colour + '+ %d\x1b[0m|' 95 indicator += failed_colour + '- %d\x1b[0m]' 96 97 progress_string = prefix 98 progress_string += indicator % (minutes, seconds, progress, passed, failed) 99 progress_string += ' ' + name 100 101 PrintOverwritableLine(progress_string, verbose) 102
