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//! @file conda.h
#ifndef STASIS_CONDA_H
#define STASIS_CONDA_H
#include <stdio.h>
#include <string.h>
#include "core.h"
#define CONDA_INSTALL_PREFIX "conda"
#define PYPI_INDEX_DEFAULT "https://pypi.org/simple"
struct MicromambaInfo {
char *micromamba_prefix;
char *conda_prefix;
};
/**
* Execute micromamba
* @param info MicromambaInfo data structure (must be populated before use)
* @param command printf-style formatter string
* @param ... variadic arguments
* @return exit code
*/
int micromamba(struct MicromambaInfo *info, char *command, ...);
/**
* Execute Python
* Python interpreter is determined by PATH
*
* ```c
* if (python_exec("-c 'printf(\"Hello world\")'")) {
* fprintf(stderr, "Hello world failed\n");
* exit(1);
* }
* ```
*
* @param args arguments to pass to interpreter
* @return exit code from python interpreter
*/
int python_exec(const char *args);
/**
* Execute Pip
* Pip is determined by PATH
*
* ```c
* if (pip_exec("freeze")) {
* fprintf(stderr, "pip freeze failed\n");
* exit(1);
* }
* ```
*
* @param args arguments to pass to Pip
* @return exit code from Pip
*/
int pip_exec(const char *args);
/**
* Execute conda (or if possible, mamba)
* Conda/Mamba is determined by PATH
*
* ```c
* if (conda_exec("env list")) {
* fprintf(stderr, "Failed to list conda environments\n");
* exit(1);
* }
* ```
*
* @param args arguments to pass to Conda
* @return exit code from Conda
*/
int conda_exec(const char *args);
/**
* Configure the runtime environment to use Conda/Mamba
*
* ```c
* if (conda_activate("/path/to/conda/installation", "base")) {
* fprintf(stderr, "Failed to activate conda's base environment\n");
* exit(1);
* }
* ```
*
* @param root directory where conda is installed
* @param env_name the conda environment to activate
* @return 0 on success, -1 on error
*/
int conda_activate(const char *root, const char *env_name);
/**
* Configure the active conda installation for headless operation
*/
int conda_setup_headless();
/**
* Creates a Conda environment from a YAML config
*
* ```c
* if (conda_env_create_from_uri("myenv", "https://myserver.tld/environment.yml")) {
* fprintf(stderr, "Environment creation failed\n");
* exit(1);
* }
* ```
*
* @param name Name of new environment to create
* @param uri /path/to/environment.yml
* @param uri file:///path/to/environment.yml
* @param uri http://myserver.tld/environment.yml
* @param uri https://myserver.tld/environment.yml
* @param uri ftp://myserver.tld/environment.yml
* @return exit code from "conda"
*/
int conda_env_create_from_uri(char *name, char *uri);
/**
* Create a Conda environment using generic package specs
*
* ```c
* // Create a basic environment without any conda packages
* if (conda_env_create("myenv", "3.11", NULL)) {
* fprintf(stderr, "Environment creation failed\n");
* exit(1);
* }
*
* // Create a basic environment and install conda packages
* if (conda_env_create("myenv", "3.11", "hstcal fitsverify")) {
* fprintf(stderr, "Environment creation failed\n");
* exit(1);
* }
* ```
*
* @param name Environment name
* @param python_version Desired version of Python
* @param packages Packages to install (or NULL)
* @return exit code from "conda"
*/
int conda_env_create(char *name, char *python_version, char *packages);
/**
* Remove a Conda environment
*
* ```c
* if (conda_env_remove("myenv")) {
* fprintf(stderr, "Unable to remove conda environment\n");
* exit(1);
* }
* ```
*
* @param name Environment name
* @return exit code from "conda"
*/
int conda_env_remove(char *name);
/**
* Export a Conda environment in YAML format
*
* ```c
* if (conda_env_export("myenv", "./", "myenv.yml")) {
* fprintf(stderr, "Unable to export environment\n");
* exit(1);
* }
* ```
*
* @param name Environment name to export
* @param output_dir Destination directory
* @param output_filename Destination file name
* @return exit code from "conda"
*/
int conda_env_export(char *name, char *output_dir, char *output_filename);
/**
* Run "conda index" on a local conda channel
*
* ```c
* if (conda_index("/path/to/channel")) {
* fprintf(stderr, "Unable to index requested path\n");
* exit(1);
* }
* ```
*
* @param path Top-level directory of conda channel
* @return exit code from "conda"
*/
int conda_index(const char *path);
int python_package_exists(const char *index_url, const char *name, const char *version);
#endif //STASIS_CONDA_H
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