source: trunk/python/utils.py@ 3149

Last change on this file since 3149 was 3093, checked in by Kana Sugimoto, 9 years ago

New Development: No

JIRA Issue: No (bug fixes)

Ready for Test: Yes

Interface Changes: No

What Interface Changed:

Test Programs:

Put in Release Notes: No

Module(s): asap._to_list()

Description: A fix to have asap._to_list() return a list not tuple nor numpy.ndarray.

A fix to have asap._is_sequence_or_number understand numpy.ndarray.


File size: 2.5 KB
RevLine 
[1824]1import os
2
3def mask_and(a, b):
4 assert(len(a)==len(b))
5 return [ a[i] & b[i] for i in xrange(len(a)) ]
6
7def mask_or(a, b):
8 assert(len(a)==len(b))
9 return [ a[i] | b[i] for i in xrange(len(a)) ]
10
11def mask_not(a):
12 return [ not i for i in a ]
13
14def _n_bools(n, val):
15 return [ val for i in xrange(n) ]
16
17def _is_sequence_or_number(param, ptype=int):
[3093]18 import numpy
19 #if isinstance(param,tuple) or isinstance(param,list):
20 if type(param) in (tuple, list, numpy.ndarray):
[1824]21 if len(param) == 0: return True # empty list
22 out = True
23 for p in param:
24 out &= isinstance(p,ptype)
25 return out
26 elif isinstance(param, ptype):
27 return True
28 return False
29
30def _to_list(param, ptype=int):
31 if isinstance(param, ptype):
32 if ptype is str: return param.split()
33 else: return [param]
34 if _is_sequence_or_number(param, ptype):
[3093]35 return list(param)
[1824]36 return None
37
38def unique(x):
39 """
40 Return the unique values in a list
41 Parameters:
42 x: the list to reduce
43 Examples:
44 x = [1,2,3,3,4]
45 print unique(x)
46 [1,2,3,4]
47 """
48 return dict([ (val, 1) for val in x]).keys()
49
50def list_files(path=".",suffix="rpf"):
51 """
52 Return a list files readable by asap, such as rpf, sdfits, mbf, asap
53 Parameters:
54 path: The directory to list (default '.')
55 suffix: The file extension (default rpf)
56 Example:
57 files = list_files("data/","sdfits")
58 print files
59 ['data/2001-09-01_0332_P363.sdfits',
60 'data/2003-04-04_131152_t0002.sdfits',
61 'data/Sgr_86p262_best_SPC.sdfits']
62 """
63 if not os.path.isdir(path):
64 return None
[1920]65 valid = "ms rpf rpf.1 rpf.2 sdf sdfits mbf asap".split()
[1824]66 if not suffix in valid:
67 return None
68 files = [os.path.expanduser(os.path.expandvars(path+"/"+f)) for f in os.listdir(path)]
69 return filter(lambda x: x.endswith(suffix),files)
[1859]70
71def page(message):
[1860]72 """Run the input message through a pager. This is only done if
73 ``rcParams["verbose"]`` is set.
74 """
[1859]75 verbose = False
76 try:
77 from asap.parameters import rcParams
78 verbose = rcParams['verbose']
79 except:
80 pass
81 if verbose:
82 try:
83 from IPython.genutils import page as pager
84 except ImportError:
85 from pydoc import pager
86 pager(message)
87 return None
88 else:
89 return message
[2456]90
91def toggle_verbose():
92 from asap import rcParams
93 rcParams['verbose'] = not bool(rcParams['verbose'])
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