FilesExpand file tree

 main

/

create_conda.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

131 lines (107 loc) · 3.31 KB

 main

/

create_conda.py

Copy path

Top

File metadata and controls

• Code
• Blame

131 lines (107 loc) · 3.31 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

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

# Licensed under the MIT License.

import argparse

import os

import pathlib

import subprocess

import sys

from typing import Optional, Sequence, Union

CONDA_ENV_NAME = ".conda"

CWD = pathlib.Path.cwd()

class VenvError(Exception):

pass

def parse_args(argv: Sequence[str]) -> argparse.Namespace:

parser = argparse.ArgumentParser()

parser.add_argument(

"--python",

action="store",

help="Python version to install in the virtual environment.",

default=f"{sys.version_info.major}.{sys.version_info.minor}",

)

parser.add_argument(

"--install",

action="store_true",

default=False,

help="Install packages into the virtual environment.",

)

parser.add_argument(

"--git-ignore",

action="store_true",

default=False,

help="Add .gitignore to the newly created virtual environment.",

)

parser.add_argument(

"--name",

default=CONDA_ENV_NAME,

type=str,

help="Name of the virtual environment.",

metavar="NAME",

action="store",

)

return parser.parse_args(argv)

def file_exists(path: Union[str, pathlib.PurePath]) -> bool:

return os.path.exists(path)

def conda_env_exists(name: Union[str, pathlib.PurePath]) -> bool:

return os.path.exists(CWD / name)

def run_process(args: Sequence[str], error_message: str) -> None:

try:

print("Running: " + " ".join(args))

subprocess.run(args, cwd=os.getcwd(), check=True)

except subprocess.CalledProcessError:

raise VenvError(error_message)

def get_conda_env_path(name: str) -> str:

return os.fspath(CWD / name)

def install_packages(env_path: str) -> None:

yml = os.fspath(CWD / "environment.yml")

if file_exists(yml):

print(f"CONDA_INSTALLING_YML: {yml}")

run_process(

[

sys.executable,

"-m",

"conda",

"env",

"update",

"--prefix",

env_path,

"--file",

yml,

],

"CREATE_CONDA.FAILED_INSTALL_YML",

)

print("CREATE_CONDA.INSTALLED_YML")

def add_gitignore(name: str) -> None:

git_ignore = os.fspath(CWD / name / ".gitignore")

if not file_exists(git_ignore):

print(f"Creating: {git_ignore}")

with open(git_ignore, "w") as f:

f.write("*")

def main(argv: Optional[Sequence[str]] = None) -> None:

if argv is None:

argv = []

args = parse_args(argv)

if conda_env_exists(args.name):

env_path = get_conda_env_path(args.name)

print(f"EXISTING_CONDA_ENV:{env_path}")

else:

run_process(

[

sys.executable,

"-m",

"conda",

"create",

"--yes",

"--prefix",

args.name,

f"python={args.python}",

],

"CREATE_CONDA.ENV_FAILED_CREATION",

)

env_path = get_conda_env_path(args.name)

print(f"CREATED_CONDA_ENV:{env_path}")

if args.git_ignore:

add_gitignore(args.name)

if args.install:

install_packages(env_path)

if __name__ == "__main__":

main(sys.argv[1:])