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1/* Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com) */
2#pragma once
3
4#include <cstdarg>
5
6#include "globals.h"
7#include "handles-decl.h"
8#include "thread.h"
9
10namespace py {
11
12enum class SysFlag {
13 kDebug,
14 kInspect,
15 kInteractive,
16 kOptimize,
17 kDontWriteBytecode,
18 kNoUserSite,
19 kNoSite,
20 kIgnoreEnvironment,
21 kVerbose,
22 kBytesWarning,
23 kQuiet,
24 kHashRandomization,
25 kIsolated,
26 kDevMode,
27 kUTF8Mode,
28 kNumFlags,
29};
30
31// Helper function to flush stdout and stderr
32int flushStdFiles();
33
34void initializeRuntimePaths(Thread* thread);
35
36// Initializes sys module with data that can vary between startups. This must
37// be called after the runtime constructor and before Runtime::initialize().
38RawObject initializeSys(Thread* thread, const Str& executable,
39 const List& python_path, const Tuple& flags_data,
40 const List& warnoptions,
41 bool extend_python_path_with_stdlib);
42
43void setPycachePrefix(Thread* thread, const Object& pycache_prefix);
44
45// Internal equivalents to PySys_Write(Stdout|Stderr): Write a formatted string
46// to sys.stdout or sys.stderr, or stdout or stderr if writing to the Python
47// streams fails. No more than 1000 characters will be written; if the output is
48// truncated, it will be followed by "... truncated".
49//
50// May be called with a pending exception, which will be saved and restored; any
51// exceptions raised while writing to the stream are ignored.
52void writeStdout(Thread* thread, const char* format, ...)
53 FORMAT_ATTRIBUTE(2, 3);
54void writeStdoutV(Thread* thread, const char* format, va_list va);
55void writeStderr(Thread* thread, const char* format, ...)
56 FORMAT_ATTRIBUTE(2, 3);
57void writeStderrV(Thread* thread, const char* format, va_list va);
58
59} // namespace py