litex/gen/migen/build/tools.py

   1 import os
   2 import struct
   3 from distutils.version import StrictVersion
   4
   5
   6 def mkdir_noerror(d):
   7     try:
   8         os.mkdir(d)
   9     except OSError:
  10         pass
  11
  12
  13 def language_by_filename(name):
  14     extension = name.rsplit(".")[-1]
  15     if extension in ["v", "vh", "vo"]:
  16         return "verilog"
  17     if extension in ["vhd", "vhdl", "vho"]:
  18         return "vhdl"
  19     return None
  20
  21
  22 def write_to_file(filename, contents, force_unix=False):
  23     newline = None
  24     if force_unix:
  25         newline = "\n"
  26     with open(filename, "w", newline=newline) as f:
  27         f.write(contents)
  28
  29
  30 def arch_bits():
  31     return struct.calcsize("P")*8
  32
  33
  34 def versions(path):
  35     for n in os.listdir(path):
  36         full = os.path.join(path, n)
  37         if not os.path.isdir(full):
  38             continue
  39         try:
  40             yield StrictVersion(n)
  41         except ValueError:
  42             continue