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@@ -1,62 +1,87 b'' | |||||
1 | # coding: utf-8 |
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1 | # coding: utf-8 | |
2 | """Compatibility tricks for Python 3. Mainly to do with unicode.""" |
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2 | """Compatibility tricks for Python 3. Mainly to do with unicode.""" | |
3 | import sys |
|
3 | import sys | |
4 |
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4 | |||
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5 | orig_open = open | |||
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6 | ||||
5 | def no_code(x, encoding=None): |
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7 | def no_code(x, encoding=None): | |
6 | return x |
|
8 | return x | |
7 |
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9 | |||
8 | def decode(s, encoding=None): |
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10 | def decode(s, encoding=None): | |
9 | encoding = encoding or sys.stdin.encoding or sys.getdefaultencoding() |
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11 | encoding = encoding or sys.stdin.encoding or sys.getdefaultencoding() | |
10 | return s.decode(encoding, "replace") |
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12 | return s.decode(encoding, "replace") | |
11 |
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13 | |||
12 | def encode(u, encoding=None): |
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14 | def encode(u, encoding=None): | |
13 | encoding = encoding or sys.stdin.encoding or sys.getdefaultencoding() |
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15 | encoding = encoding or sys.stdin.encoding or sys.getdefaultencoding() | |
14 | return u.encode(encoding, "replace") |
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16 | return u.encode(encoding, "replace") | |
15 |
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17 | |||
16 | def cast_unicode(s, encoding=None): |
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18 | def cast_unicode(s, encoding=None): | |
17 | if isinstance(s, bytes): |
|
19 | if isinstance(s, bytes): | |
18 | return decode(s, encoding) |
|
20 | return decode(s, encoding) | |
19 | return s |
|
21 | return s | |
20 |
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22 | |||
21 | def cast_bytes(s, encoding=None): |
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23 | def cast_bytes(s, encoding=None): | |
22 | if not isinstance(s, bytes): |
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24 | if not isinstance(s, bytes): | |
23 | return encode(s, encoding) |
|
25 | return encode(s, encoding) | |
24 | return s |
|
26 | return s | |
25 |
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27 | |||
26 | if sys.version_info[0] >= 3: |
|
28 | if sys.version_info[0] >= 3: | |
27 | PY3 = True |
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29 | PY3 = True | |
28 |
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30 | |||
29 | input = input |
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31 | input = input | |
30 | builtin_mod_name = "builtins" |
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32 | builtin_mod_name = "builtins" | |
31 |
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33 | |||
32 | str_to_unicode = no_code |
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34 | str_to_unicode = no_code | |
33 | unicode_to_str = no_code |
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35 | unicode_to_str = no_code | |
34 | str_to_bytes = encode |
|
36 | str_to_bytes = encode | |
35 | bytes_to_str = decode |
|
37 | bytes_to_str = decode | |
36 |
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38 | |||
37 | def isidentifier(s, dotted=False): |
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39 | def isidentifier(s, dotted=False): | |
38 | if dotted: |
|
40 | if dotted: | |
39 | return all(isidentifier(a) for a in s.split(".")) |
|
41 | return all(isidentifier(a) for a in s.split(".")) | |
40 | return s.isidentifier() |
|
42 | return s.isidentifier() | |
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43 | ||||
|
44 | open = orig_open | |||
41 |
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45 | |||
42 | else: |
|
46 | else: | |
43 | PY3 = False |
|
47 | PY3 = False | |
44 |
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48 | |||
45 | input = raw_input |
|
49 | input = raw_input | |
46 | builtin_mod_name = "__builtin__" |
|
50 | builtin_mod_name = "__builtin__" | |
47 |
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51 | |||
48 | str_to_unicode = decode |
|
52 | str_to_unicode = decode | |
49 | unicode_to_str = encode |
|
53 | unicode_to_str = encode | |
50 | str_to_bytes = no_code |
|
54 | str_to_bytes = no_code | |
51 | bytes_to_str = no_code |
|
55 | bytes_to_str = no_code | |
52 |
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56 | |||
53 | import re |
|
57 | import re | |
54 | _name_re = re.compile(r"[a-zA-Z_][a-zA-Z0-9_]*$") |
|
58 | _name_re = re.compile(r"[a-zA-Z_][a-zA-Z0-9_]*$") | |
55 | def isidentifier(s, dotted=False): |
|
59 | def isidentifier(s, dotted=False): | |
56 | if dotted: |
|
60 | if dotted: | |
57 | return all(isidentifier(a) for a in s.split(".")) |
|
61 | return all(isidentifier(a) for a in s.split(".")) | |
58 | return bool(_name_re.match(s)) |
|
62 | return bool(_name_re.match(s)) | |
|
63 | ||||
|
64 | class open(object): | |||
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65 | """Wrapper providing key part of Python 3 open() interface.""" | |||
|
66 | def __init__(self, fname, mode="r", encoding="utf-8"): | |||
|
67 | self.f = orig_open(fname, mode) | |||
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68 | self.enc = encoding | |||
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69 | ||||
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70 | def write(self, s): | |||
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71 | return self.f.write(s.encode(self.enc)) | |||
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72 | ||||
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73 | def read(self, size=-1): | |||
|
74 | return self.f.read(size).decode(self.enc) | |||
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75 | ||||
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76 | def close(self): | |||
|
77 | return self.f.close() | |||
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78 | ||||
|
79 | def __enter__(self): | |||
|
80 | return self | |||
|
81 | ||||
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82 | def __exit__(self, etype, value, traceback): | |||
|
83 | self.f.close() | |||
59 |
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84 | |||
60 | def execfile(fname, glob, loc=None): |
|
85 | def execfile(fname, glob, loc=None): | |
61 | loc = loc if (loc is not None) else glob |
|
86 | loc = loc if (loc is not None) else glob | |
62 | exec compile(open(fname).read(), fname, 'exec') in glob, loc |
|
87 | exec compile(open(fname).read(), fname, 'exec') in glob, loc |
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