Mercurial > pygpibtoolkit / file comparison
comparison: tools.py
tools.py
- changeset 36
- cb4124e3e75b
- parent 35
- 3b7a38af5c42
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| 35:3b7a38af5c42 | 36:cb4124e3e75b |
|---|---|
| 1 # | |
| 2 """ | |
| 3 Helper functions and classes | |
| 4 """ | |
| 5 import re | |
| 6 | |
| 7 def str_num_cmp(s1,s2): | |
| 8 """ | |
| 9 string comparator function that will put 'toto_10' after 'toto_2' | |
| 10 Also works for strings like 'toto_1_et_23er25'. | |
| 11 """ | |
| 12 r = re.compile(r'((?<=\d)\D+|(?<=\D)\d+)') | |
| 13 r1= r.split(s1) | |
| 14 r2= r.split(s2) | |
| 15 r1=[not x.isdigit() and x or int(x) for x in r1 if x!=''] | |
| 16 r2=[not x.isdigit() and x or int(x) for x in r2 if x!=''] | |
| 17 return cmp(r1,r2) | |
| 18 | |
| 19 | |
| 1 class AbstractRegister(object): | 20 class AbstractRegister(object): |
| 2 _instance = None | 21 _instance = None |
| 3 _registered_type = None | 22 _registered_type = None |
| 4 def __new__(cls): | 23 def __new__(cls): |
| 5 # implements a singleton | 24 # implements a singleton |
