pip

type Constraint struct {
	Revision string
	Operator string
}

type DepTree struct {
	Package      string `json:"package_name"`
	Resolved     string `json:"installed_version"`
	Target       string `json:"required_version"`
	Dependencies []DepTree
}

type Pip struct {
	Cmd       string
	PythonCmd string
}

type Requirement struct {
	Name        string
	Constraints []Constraint
}