FilesExpand file tree

 main

/

installed_check.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

132 lines (107 loc) · 3.84 KB

 main

/

installed_check.py

Copy path

Top

File metadata and controls

• Code
• Blame

132 lines (107 loc) · 3.84 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

# Copyright (c) Microsoft Corporation. All rights reserved.

# Licensed under the MIT License.

import argparse

import json

import os

import pathlib

import sys

from typing import Dict, List, Optional, Sequence, Tuple, Union

LIB_ROOT = pathlib.Path(__file__).parent / "lib" / "python"

sys.path.insert(0, os.fspath(LIB_ROOT))

import tomli # noqa: E402

from importlib_metadata import metadata # noqa: E402

from packaging.requirements import Requirement # noqa: E402

DEFAULT_SEVERITY = "3" # 'Hint'

try:

SEVERITY = int(os.getenv("VSCODE_MISSING_PGK_SEVERITY", DEFAULT_SEVERITY))

except ValueError:

SEVERITY = int(DEFAULT_SEVERITY)

def parse_args(argv: Optional[Sequence[str]] = None):

if argv is None:

argv = sys.argv[1:]

parser = argparse.ArgumentParser(

description="Check for installed packages against requirements"

)

parser.add_argument("FILEPATH", type=str, help="Path to requirements.[txt, in]")

return parser.parse_args(argv)

def parse_requirements(line: str) -> Optional[Requirement]:

try:

req = Requirement(line.strip("\\"))

if req.marker is None or req.marker.evaluate():

return req

except Exception:

pass

return None

def process_requirements(req_file: pathlib.Path) -> List[Dict[str, Union[str, int]]]:

diagnostics = []

for n, line in enumerate(req_file.read_text(encoding="utf-8").splitlines()):

if line.startswith(("#", "-", " ")) or line == "":

continue

req = parse_requirements(line)

if req:

try:

# Check if package is installed

metadata(req.name)

except Exception:

diagnostics.append(

{

"line": n,

"character": 0,

"endLine": n,

"endCharacter": len(req.name),

"package": req.name,

"code": "not-installed",

"severity": SEVERITY,

}

)

return diagnostics

def get_pos(lines: List[str], text: str) -> Tuple[int, int, int, int]:

for n, line in enumerate(lines):

index = line.find(text)

if index >= 0:

return n, index, n, index + len(text)

return (0, 0, 0, 0)

def process_pyproject(req_file: pathlib.Path) -> List[Dict[str, Union[str, int]]]:

diagnostics = []

try:

raw_text = req_file.read_text(encoding="utf-8")

pyproject = tomli.loads(raw_text)

except Exception:

return diagnostics

lines = raw_text.splitlines()

reqs = pyproject.get("project", {}).get("dependencies", [])

for raw_req in reqs:

req = parse_requirements(raw_req)

n, start, _, end = get_pos(lines, raw_req)

if req:

try:

# Check if package is installed

metadata(req.name)

except Exception:

diagnostics.append(

{

"line": n,

"character": start,

"endLine": n,

"endCharacter": end,

"package": req.name,

"code": "not-installed",

"severity": SEVERITY,

}

)

return diagnostics

def get_diagnostics(req_file: pathlib.Path) -> List[Dict[str, Union[str, int]]]:

diagnostics = []

if not req_file.exists():

return diagnostics

if req_file.name == "pyproject.toml":

diagnostics = process_pyproject(req_file)

else:

diagnostics = process_requirements(req_file)

return diagnostics

def main():

args = parse_args()

diagnostics = get_diagnostics(pathlib.Path(args.FILEPATH))

print(json.dumps(diagnostics, ensure_ascii=False))

if __name__ == "__main__":

main()