Diff: utils.py

Revision:

31:8ea194f6145b

Parent:

29:1210849dba19

Child:

36:96847d42f010

--- a/utils.py	Mon Aug 29 11:56:59 2016 +0100
+++ b/utils.py	Wed Jan 04 11:58:24 2017 -0600
@@ -22,12 +22,17 @@
 from os import listdir, remove, makedirs
 from shutil import copyfile
 from os.path import isdir, join, exists, split, relpath, splitext, abspath
-from os.path import commonprefix, normpath
+from os.path import commonprefix, normpath, dirname
 from subprocess import Popen, PIPE, STDOUT, call
+from math import ceil
 import json
 from collections import OrderedDict
 import logging
 
+def remove_if_in(lst, thing):
+    if thing in lst:
+        lst.remove(thing)
+
 def compile_worker(job):
     """Standard task runner used for compiling
 
@@ -282,9 +287,8 @@
     parser - the ArgumentParser object that parsed the command line
     message - what went wrong
     """
-    print "\n\n%s\n\n" % message
-    parser.print_help()
-    sys.exit()
+    parser.error(message)
+    sys.exit(2)
 
 
 def construct_enum(**enums):
@@ -432,6 +436,19 @@
         raise argparse.ArgumentTypeError(
             "{0}"" does not exist in the filesystem.".format(string))
 
+def argparse_profile_filestring_type(string):
+    """ An argument parser that verifies that a string passed in is either
+    absolute path or a file name (expanded to
+    mbed-os/tools/profiles/<fname>.json) of a existing file"""
+    fpath = join(dirname(__file__), "profiles/{}.json".format(string))
+    if exists(string):
+        return string
+    elif exists(fpath):
+        return fpath
+    else:
+        raise argparse.ArgumentTypeError(
+            "{0} does not exist in the filesystem.".format(string))
+
 def columnate(strings, separator=", ", chars=80):
     """ render a list of strings as a in a bunch of columns
 
@@ -470,3 +487,30 @@
         else:
             return not_parent
     return parse_type
+
+def argparse_deprecate(replacement_message):
+    """fail if argument is provided with deprecation warning"""
+    def parse_type(_):
+        """The parser type"""
+        raise argparse.ArgumentTypeError("Deprecated." + replacement_message)
+    return parse_type
+
+def print_large_string(large_string):
+    """ Breaks a string up into smaller pieces before print them
+
+    This is a limitation within Windows, as detailed here:
+    https://bugs.python.org/issue11395
+
+    Positional arguments:
+    large_string - the large string to print
+    """
+    string_limit = 1000
+    large_string_len = len(large_string)
+    num_parts = int(ceil(float(large_string_len) / float(string_limit)))
+    for string_part in range(num_parts):
+        start_index = string_part * string_limit
+        if string_part == num_parts - 1:
+            print large_string[start_index:]
+        else:
+            end_index = ((string_part + 1) * string_limit) - 1
+            print large_string[start_index:end_index],