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cpython/Python/importdl.h

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Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
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Lots of changes, most minor (fatal() instead of abort(), use of err_fetch/err_restore and so on). But... NOTE: import.c has been rewritten and all the DL stuff is now in the new file importdl.c.
31 years ago
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First part of package support. This doesn't yet support "import a.b.c" or "from a.b.c import x", but it does recognize directories. When importing a directory, it initializes __path__ to a list containing the directory name, and loads the __init__ module if found. The (internal) find_module() and load_module() functions are restructured so that they both also handle built-in and frozen modules and Mac resources (and directories of course). The imp module's find_module() and (new) load_module() also have this functionality. Moreover, imp unconditionally defines constants for all module types, and has two more new functions: find_module_in_package() and find_module_in_directory(). There's also a new API function, PyImport_ImportModuleEx(), which takes all four __import__ arguments (name, globals, locals, fromlist). The last three may be NULL. This is currently the same as PyImport_ImportModule() but in the future it will be able to do relative dotted-path imports. Other changes: - bltinmodule.c: in __import__, call PyImport_ImportModuleEx(). - ceval.c: always pass the fromlist to __import__, even if it is a C function, so PyImport_ImportModuleEx() is useful. - getmtime.c: the function has a second argument, the FILE*, on which it applies fstat(). According to Sjoerd this is much faster. The first (pathname) argument is ignored, but remains for backward compatibility (so the Mac version still works without changes). By cleverly combining the new imp functionality, the full support for dotted names in Python (mini.py, not checked in) is now about 7K, lavishly commented (vs. 14K for ni plus 11K for ihooks, also lavishly commented). Good night!
29 years ago
Recorded merge of revisions 81029 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........
16 years ago
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First part of package support. This doesn't yet support "import a.b.c" or "from a.b.c import x", but it does recognize directories. When importing a directory, it initializes __path__ to a list containing the directory name, and loads the __init__ module if found. The (internal) find_module() and load_module() functions are restructured so that they both also handle built-in and frozen modules and Mac resources (and directories of course). The imp module's find_module() and (new) load_module() also have this functionality. Moreover, imp unconditionally defines constants for all module types, and has two more new functions: find_module_in_package() and find_module_in_directory(). There's also a new API function, PyImport_ImportModuleEx(), which takes all four __import__ arguments (name, globals, locals, fromlist). The last three may be NULL. This is currently the same as PyImport_ImportModule() but in the future it will be able to do relative dotted-path imports. Other changes: - bltinmodule.c: in __import__, call PyImport_ImportModuleEx(). - ceval.c: always pass the fromlist to __import__, even if it is a C function, so PyImport_ImportModuleEx() is useful. - getmtime.c: the function has a second argument, the FILE*, on which it applies fstat(). According to Sjoerd this is much faster. The first (pathname) argument is ignored, but remains for backward compatibility (so the Mac version still works without changes). By cleverly combining the new imp functionality, the full support for dotted names in Python (mini.py, not checked in) is now about 7K, lavishly commented (vs. 14K for ni plus 11K for ihooks, also lavishly commented). Good night!
29 years ago
Lots of changes, most minor (fatal() instead of abort(), use of err_fetch/err_restore and so on). But... NOTE: import.c has been rewritten and all the DL stuff is now in the new file importdl.c.
31 years ago
Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
Recorded merge of revisions 81029 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........
16 years ago
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Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
​
​
Lots of changes, most minor (fatal() instead of abort(), use of err_fetch/err_restore and so on). But... NOTE: import.c has been rewritten and all the DL stuff is now in the new file importdl.c.
31 years ago
Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
26 years ago
Recorded merge of revisions 81029 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........
16 years ago
Lots of changes, most minor (fatal() instead of abort(), use of err_fetch/err_restore and so on). But... NOTE: import.c has been rewritten and all the DL stuff is now in the new file importdl.c.
31 years ago
Removed some variables that are used to exchange data between import.c and importdl.c: the MAXSUFFIXSIZE macro is now defined in importdl.h, and the modules dictionary is now passed using PyImport_GetModuleDict(). Also undefine USE_SHLIB for AIX -- in AIX 4.2 and up, dlfcn.h exists but we don't want to use it.
29 years ago
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Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
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For Windows, need to add #include <windows.h>.
26 years ago
Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
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OS/2 EMX port changes (Python part of patch #450267): Python/ dynload_shlib.c // EMX port emulates dlopen() etc. for DL extensions import.c // changes to support 8.3 DLL name limit (VACPP+EMX) // and case sensitive import semantics importdl.h thread_os2.h
24 years ago
SF patch 473749 compile under OS/2 VA C++, from Michael Muller. Changes enabling Python to compile under OS/2 Visual Age C++.
25 years ago
Some rearrangements for the importdl.c restructuring. This is part of a set of patches by Greg Stein.
26 years ago
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  1. #ifndef Py_IMPORTDL_H
  2. #define Py_IMPORTDL_H
  4. #ifdef __cplusplus
  5. extern "C" {
  6. #endif
  9. /* Definitions for dynamic loading of extension modules */
  10. enum filetype {
  11. SEARCH_ERROR,
  12. PY_SOURCE,
  13. PY_COMPILED,
  14. C_EXTENSION,
  15. PY_RESOURCE, /* Mac only */
  16. PKG_DIRECTORY,
  17. C_BUILTIN,
  18. PY_FROZEN,
  19. PY_CODERESOURCE, /* Mac only */
  20. IMP_HOOK
  21. };
  23. struct filedescr {
  24. char *suffix;
  25. char *mode;
  26. enum filetype type;
  27. };
  28. extern struct filedescr * _PyImport_Filetab;
  29. extern const struct filedescr _PyImport_DynLoadFiletab[];
  31. extern PyObject *_PyImport_LoadDynamicModule(char *name, char *pathname,
  32. FILE *);
  34. /* Max length of module suffix searched for -- accommodates "module.slb" */
  35. #define MAXSUFFIXSIZE 12
  37. #ifdef MS_WINDOWS
  38. #include <windows.h>
  39. typedef FARPROC dl_funcptr;
  40. #else
  41. #if defined(PYOS_OS2) && !defined(PYCC_GCC)
  42. #include <os2def.h>
  43. typedef int (* APIENTRY dl_funcptr)();
  44. #else
  45. typedef void (*dl_funcptr)(void);
  46. #endif
  47. #endif
  50. #ifdef __cplusplus
  51. }
  52. #endif
  53. #endif /* !Py_IMPORTDL_H */