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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
//
// Created by jhunk on 5/14/23.
//
#include <unistd.h>
#include "conda.h"
int python_exec(const char *args) {
char command[PATH_MAX];
memset(command, 0, sizeof(command));
snprintf(command, sizeof(command) - 1, "python %s", args);
msg(OMC_MSG_L3, "Executing: %s\n", command);
return system(command);
}
int pip_exec(const char *args) {
char command[PATH_MAX];
memset(command, 0, sizeof(command));
snprintf(command, sizeof(command) - 1, "python -m pip %s", args);
msg(OMC_MSG_L3, "Executing: %s\n", command);
return system(command);
}
int conda_exec(const char *args) {
char command[PATH_MAX];
const char *mamba_commands[] = {
"build",
"install",
"update",
"create",
"list",
"search",
"run",
"info",
"clean",
"activate",
"deactivate",
NULL
};
char conda_as[6];
memset(conda_as, 0, sizeof(conda_as));
strcpy(conda_as, "conda");
for (size_t i = 0; mamba_commands[i] != NULL; i++) {
if (startswith(args, mamba_commands[i])) {
strcpy(conda_as, "mamba");
break;
}
}
snprintf(command, sizeof(command) - 1, "%s %s", conda_as, args);
msg(OMC_MSG_L3, "Executing: %s\n", command);
return system(command);
}
int conda_activate(const char *root, const char *env_name) {
int fd = -1;
FILE *fp = NULL;
const char *init_script_conda = "/etc/profile.d/conda.sh";
const char *init_script_mamba = "/etc/profile.d/mamba.sh";
char path_conda[PATH_MAX] = {0};
char path_mamba[PATH_MAX] = {0};
char logfile[PATH_MAX] = {0};
struct Process proc;
memset(&proc, 0, sizeof(proc));
// Where to find conda's init scripts
sprintf(path_conda, "%s%s", root, init_script_conda);
sprintf(path_mamba, "%s%s", root, init_script_mamba);
// Set the path to our stdout log
// Emulate mktemp()'s behavior. Give us a unique file name, but don't use
// the file handle at all. We'll open it as a FILE stream soon enough.
strcpy(logfile, "/tmp/shell_XXXXXX");
fd = mkstemp(logfile);
if (fd < 0) {
perror(logfile);
return -1;
}
close(fd);
// Configure our process for output to a log file
strcpy(proc.stdout, logfile);
// Verify conda's init scripts are available
if (access(path_conda, F_OK) < 0) {
perror(path_conda);
return -1;
}
if (access(path_mamba, F_OK) < 0) {
perror(path_mamba);
return -1;
}
// Fully activate conda and record its effect on the runtime environment
char command[PATH_MAX];
snprintf(command, sizeof(command) - 1, "source %s; source %s; conda activate %s &>/dev/null; printenv -0", path_conda, path_mamba, env_name);
int retval = shell2(&proc, command);
if (retval) {
// it didn't work; drop out for cleanup
return retval;
}
// Parse the log file:
// 1. Extract the environment keys and values from the sub-shell
// 2. Apply it to ohmycal's runtime environment
// 3. Now we're ready to execute conda commands anywhere
fp = fopen(proc.stdout, "r");
if (!fp) {
perror(logfile);
return -1;
}
static char buf[1024];
int i = 0;
while (!feof(fp)) {
char buf[BUFSIZ] = {0};
int ch = 0;
int z = 0;
while (z < sizeof(buf) && (ch = (int) fgetc(fp)) != 0) {
if (ch == EOF) {
ch = 0;
break;
}
buf[z] = (char) ch;
z++;
}
buf[strlen(buf)] = 0;
if (!strlen(buf)) {
continue;
}
//printf("\e[0m[%d] %s\e[0m\n", i, buf);
char **part = split(buf, "=", 1);
if (!part) {
perror("unable to split environment variable buffer");
return -1;
}
if (!part[0]) {
msg(OMC_MSG_WARN | OMC_MSG_L1, "Invalid environment variable key ignored: '%s'\n", buf);
i++;
} else if (!part[1]) {
msg(OMC_MSG_WARN | OMC_MSG_L1, "Invalid environment variable value ignored: '%s'\n", buf);
i++;
} else {
setenv(part[0], part[1], 1);
}
split_free(part);
i++;
}
fclose(fp);
remove(logfile);
return 0;
}
void conda_env_create_from_uri(char *name, char *uri) {
char env_command[PATH_MAX];
sprintf(env_command, "env create -n %s -f %s", name, uri);
if (conda_exec(env_command)) {
fprintf(stderr, "derived environment creation failed\n");
exit(1);
}
}
void conda_env_create(char *name, char *python_version, char *packages) {
char env_command[PATH_MAX];
sprintf(env_command, "create -n %s python=%s %s", name, python_version, packages ? packages : "");
if (conda_exec(env_command)) {
fprintf(stderr, "conda environment creation failed\n");
exit(1);
}
}
void conda_env_remove(char *name) {
char env_command[PATH_MAX];
sprintf(env_command, "env remove -n %s", name);
if (conda_exec(env_command)) {
fprintf(stderr, "conda environment removal failed\n");
exit(1);
}
}
void conda_env_export(char *name, char *output_dir, char *output_filename) {
char env_command[PATH_MAX];
sprintf(env_command, "env export -n %s -f %s/%s.yml", name, output_dir, output_filename);
if (conda_exec(env_command)) {
fprintf(stderr, "conda environment export failed\n");
exit(1);
}
}
int conda_index(const char *path) {
char command[PATH_MAX];
sprintf(command, "index %s", path);
return conda_exec(command);
}
|
