|
1
|
|
|
import tempfile |
|
2
|
|
|
|
|
3
|
|
|
# from botocore.exceptions import ClientError |
|
4
|
|
|
from urllib.parse import urlparse |
|
5
|
|
|
|
|
6
|
|
|
import boto3 |
|
7
|
|
|
import fsutil |
|
8
|
|
|
|
|
9
|
|
|
from benedict.serializers import get_format_by_path, get_serializer_by_format |
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
def autodetect_format(s): |
|
13
|
|
|
s = str(s) |
|
14
|
|
|
if any([is_url(s), is_s3(s), is_filepath(s)]): |
|
15
|
|
|
return get_format_by_path(s) |
|
16
|
|
|
return None |
|
17
|
|
|
|
|
18
|
|
|
|
|
19
|
|
|
def decode(s, format, **kwargs): |
|
20
|
|
|
s = str(s) |
|
21
|
|
|
serializer = get_serializer_by_format(format) |
|
22
|
|
|
if not serializer: |
|
23
|
|
|
raise ValueError(f"Invalid format: {format}.") |
|
24
|
|
|
options = kwargs.copy() |
|
25
|
|
|
if format in ["b64", "base64"]: |
|
26
|
|
|
options.setdefault("subformat", "json") |
|
27
|
|
|
content = read_content(s, format, options) |
|
28
|
|
|
data = serializer.decode(content, **options) |
|
29
|
|
|
return data |
|
30
|
|
|
|
|
31
|
|
|
|
|
32
|
|
|
def encode(d, format, filepath=None, **kwargs): |
|
33
|
|
|
serializer = get_serializer_by_format(format) |
|
34
|
|
|
if not serializer: |
|
35
|
|
|
raise ValueError(f"Invalid format: {format}.") |
|
36
|
|
|
options = kwargs.copy() |
|
37
|
|
|
content = serializer.encode(d, **options) |
|
38
|
|
|
if filepath: |
|
39
|
|
|
filepath = str(filepath) |
|
40
|
|
|
write_content(filepath, content, **options) |
|
41
|
|
|
return content |
|
42
|
|
|
|
|
43
|
|
|
|
|
44
|
|
|
def is_binary_format(format): |
|
45
|
|
|
return format in [ |
|
46
|
|
|
"xls", |
|
47
|
|
|
"xlsx", |
|
48
|
|
|
"xlsm", |
|
49
|
|
|
] |
|
50
|
|
|
|
|
51
|
|
|
|
|
52
|
|
|
def is_data(s): |
|
53
|
|
|
return len(s.splitlines()) > 1 |
|
54
|
|
|
|
|
55
|
|
|
|
|
56
|
|
|
def is_filepath(s): |
|
57
|
|
|
return fsutil.is_file(s) or get_format_by_path(s) |
|
58
|
|
|
|
|
59
|
|
|
|
|
60
|
|
|
def is_s3(s): |
|
61
|
|
|
return s.startswith("s3://") and get_format_by_path(s) |
|
62
|
|
|
|
|
63
|
|
|
|
|
64
|
|
|
def is_url(s): |
|
65
|
|
|
return any([s.startswith(protocol) for protocol in ["http://", "https://"]]) |
|
66
|
|
|
|
|
67
|
|
|
|
|
68
|
|
|
def parse_s3_url(url): |
|
69
|
|
|
parsed = urlparse(url, allow_fragments=False) |
|
70
|
|
|
bucket = parsed.netloc |
|
71
|
|
|
key = parsed.path.lstrip("/") |
|
72
|
|
|
if parsed.query: |
|
73
|
|
|
key += "?" + parsed.query |
|
74
|
|
|
url = parsed.geturl() |
|
75
|
|
|
return { |
|
76
|
|
|
"url": url, |
|
77
|
|
|
"bucket": bucket, |
|
78
|
|
|
"key": key, |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
|
|
82
|
|
|
def read_content(s, format=None, options=None): |
|
83
|
|
|
# s -> filepath or url or data |
|
84
|
|
|
# options.setdefault("format", format) |
|
85
|
|
|
options = options or {} |
|
86
|
|
|
s = s.strip() |
|
87
|
|
|
if is_data(s): |
|
88
|
|
|
return s |
|
89
|
|
|
elif is_url(s): |
|
90
|
|
|
requests_options = options.pop("requests_options", None) or {} |
|
91
|
|
|
return read_content_from_url(s, requests_options, format) |
|
92
|
|
|
elif is_s3(s): |
|
93
|
|
|
s3_options = options.pop("s3_options", None) or {} |
|
94
|
|
|
return read_content_from_s3(s, s3_options, format) |
|
95
|
|
|
elif is_filepath(s): |
|
96
|
|
|
return read_content_from_file(s, format) |
|
97
|
|
|
# one-line data?! |
|
98
|
|
|
return s |
|
99
|
|
|
|
|
100
|
|
|
|
|
101
|
|
|
def read_content_from_file(filepath, format=None): |
|
102
|
|
|
binary_format = is_binary_format(format) |
|
103
|
|
|
if binary_format: |
|
104
|
|
|
return filepath |
|
105
|
|
|
return fsutil.read_file(filepath) |
|
106
|
|
|
|
|
107
|
|
|
|
|
108
|
|
|
def read_content_from_s3(url, s3_options, format=None): |
|
109
|
|
|
s3_url = parse_s3_url(url) |
|
110
|
|
|
dirpath = tempfile.gettempdir() |
|
111
|
|
|
filename = fsutil.get_filename(s3_url["key"]) |
|
112
|
|
|
filepath = fsutil.join_path(dirpath, filename) |
|
113
|
|
|
s3 = boto3.client("s3", **s3_options) |
|
114
|
|
|
s3.download_file(s3_url["bucket"], s3_url["key"], filepath) |
|
115
|
|
|
s3.close() |
|
116
|
|
|
content = read_content_from_file(filepath, format) |
|
117
|
|
|
return content |
|
118
|
|
|
|
|
119
|
|
|
|
|
120
|
|
|
def read_content_from_url(url, requests_options, format=None): |
|
121
|
|
|
binary_format = is_binary_format(format) |
|
122
|
|
|
if binary_format: |
|
123
|
|
|
dirpath = tempfile.gettempdir() |
|
124
|
|
|
filepath = fsutil.download_file(url, dirpath, **requests_options) |
|
125
|
|
|
return filepath |
|
126
|
|
|
return fsutil.read_file_from_url(url, **requests_options) |
|
127
|
|
|
|
|
128
|
|
|
|
|
129
|
|
|
def write_content(filepath, content, **options): |
|
130
|
|
|
if is_s3(filepath): |
|
131
|
|
|
write_content_to_s3(filepath, content, **options) |
|
132
|
|
|
else: |
|
133
|
|
|
write_content_to_file(filepath, content, **options) |
|
134
|
|
|
|
|
135
|
|
|
|
|
136
|
|
|
def write_content_to_file(filepath, content, **options): |
|
137
|
|
|
fsutil.write_file(filepath, content) |
|
138
|
|
|
|
|
139
|
|
|
|
|
140
|
|
|
def write_content_to_s3(url, content, s3_options, **options): |
|
141
|
|
|
s3_url = parse_s3_url(url) |
|
142
|
|
|
dirpath = tempfile.gettempdir() |
|
143
|
|
|
filename = fsutil.get_filename(s3_url["key"]) |
|
144
|
|
|
filepath = fsutil.join_path(dirpath, filename) |
|
145
|
|
|
fsutil.write_file(filepath, content) |
|
146
|
|
|
s3 = boto3.client("s3", **s3_options) |
|
147
|
|
|
s3.upload_file(filepath, s3_url["bucket"], s3_url["key"]) |
|
148
|
|
|
s3.close() |
|
149
|
|
|
fsutil.remove_file(filepath) |
|
150
|
|
|
|
fabiocaccamo /
python-benedict
