-
Notifications
You must be signed in to change notification settings - Fork 103
/
selectors.py
44 lines (37 loc) · 1.46 KB
/
selectors.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
import logging
import re
from typing import Iterator, Optional
logger = logging.getLogger(__name__)
def filter_platform_selectors(
content: str, platform: Optional[str] = None
) -> Iterator[str]:
""" """
# we support a very limited set of selectors that adhere to platform only
# https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html#preprocessing-selectors
platform_sel = {
"linux-64": {"linux64", "unix", "linux"},
"linux-aarch64": {"aarch64", "unix", "linux"},
"linux-ppc64le": {"ppc64le", "unix", "linux"},
# "osx64" is a selector unique to conda-build referring to
# platforms on macOS and the Python architecture is x86-64
"osx-64": {"osx64", "osx", "unix"},
"osx-arm64": {"arm64", "osx", "unix"},
"win-64": {"win", "win64"},
}
# This code is adapted from conda-build
sel_pat = re.compile(r"(.+?)\s*(#.*)\[([^\[\]]+)\](?(2)[^\(\)]*)$")
for line in content.splitlines(keepends=False):
if line.lstrip().startswith("#"):
continue
m = sel_pat.match(line)
if platform and m:
cond = m.group(3)
if cond in platform_sel[platform]:
yield line
else:
logger.warning(
f"filtered out line `{line}` on platform {platform} due to "
f"non-matching selector `{cond}`"
)
else:
yield line