upstream/mercurial-mirror Files · mercurial/cffi/mpatchbuild.py

hgweb: make parsedrequest part of wsgirequest...

hgweb: make parsedrequest part of wsgirequest This is kind of ugly. But an upcoming commit will teach parsedrequest about the input stream. Because the input stream is global state and can't be accessed without side-effects, we need to take actions to ensure that multiple consumers don't read from it independently. The easiest way to do this is for one object to hold a reference to both items having access to the input stream so that when a copy is made, we can remove the attribute from the other instance. So we create our parsed request instance from the wsgirequest constructor and hold a reference to it there. This is better than our new type holding a reference to wsgirequest because all the code for managing access will be temporary and we shouldn't pollute parsedrequest with this ugly history. Differential Revision: https://phab.mercurial-scm.org/D2770

Yuya Nishihara - - Load All Authors

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        Yuya Nishihara
    
cffi: rename build scripts...

              r32505
            
      from __future__ import absolute_import

      import cffi

      import os

      ffi = cffi.FFI()

      mpatch_c = os.path.join(os.path.join(os.path.dirname(__file__), '..',

                                           'mpatch.c'))

        Yuya Nishihara
    
cffi: put compiled modules into mercurial.cffi package...

              r32506
            
      ffi.set_source("mercurial.cffi._mpatch", open(mpatch_c).read(),

        Yuya Nishihara
    
cffi: rename build scripts...

              r32505
            
                     include_dirs=["mercurial"])

      ffi.cdef("""

      struct mpatch_frag {

             int start, end, len;

             const char *data;

      };

      struct mpatch_flist {

             struct mpatch_frag *base, *head, *tail;

      };

      extern "Python" struct mpatch_flist* cffi_get_next_item(void*, ssize_t);

      int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist** res);

      ssize_t mpatch_calcsize(size_t len, struct mpatch_flist *l);

      void mpatch_lfree(struct mpatch_flist *a);

      static int mpatch_apply(char *buf, const char *orig, size_t len,

                              struct mpatch_flist *l);

      struct mpatch_flist *mpatch_fold(void *bins,

                             struct mpatch_flist* (*get_next_item)(void*, ssize_t),

                             ssize_t start, ssize_t end);

      """)

      if __name__ == '__main__':

          ffi.compile()

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Yuya Nishihara cffi: rename build scripts...	r32505	from __future__ import absolute_import

		import cffi
		import os

		ffi = cffi.FFI()
		mpatch_c = os.path.join(os.path.join(os.path.dirname(__file__), '..',
		'mpatch.c'))
Yuya Nishihara cffi: put compiled modules into mercurial.cffi package...	r32506	ffi.set_source("mercurial.cffi._mpatch", open(mpatch_c).read(),
Yuya Nishihara cffi: rename build scripts...	r32505	include_dirs=["mercurial"])
		ffi.cdef("""

		struct mpatch_frag {
		int start, end, len;
		const char *data;
		};

		struct mpatch_flist {
		struct mpatch_frag base, head, *tail;
		};

		extern "Python" struct mpatch_flist* cffi_get_next_item(void*, ssize_t);

		int mpatch_decode(const char bin, ssize_t len, struct mpatch_flist* res);
		ssize_t mpatch_calcsize(size_t len, struct mpatch_flist *l);
		void mpatch_lfree(struct mpatch_flist *a);
		static int mpatch_apply(char buf, const char orig, size_t len,
		struct mpatch_flist *l);
		struct mpatch_flist mpatch_fold(void bins,
		struct mpatch_flist* (get_next_item)(void, ssize_t),
		ssize_t start, ssize_t end);
		""")

		if __name__ == '__main__':
		ffi.compile()