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

thirdparty: allow zope.interface.advice to be lazily imported...

thirdparty: allow zope.interface.advice to be lazily imported The symbol from this module is only used in functions. Let's access that symbol through its imported module so importing zope.interface.advice can be lazy. Differential Revision: https://phab.mercurial-scm.org/D2931

Yuya Nishihara - - Load All Authors

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             bdiffbuild.py
        
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      from __future__ import absolute_import

      import cffi

      import os

      ffi = cffi.FFI()

      with open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),

                             'bdiff.c')) as f:

          ffi.set_source("mercurial.cffi._bdiff",

                         f.read(), include_dirs=['mercurial'])

      ffi.cdef("""

      struct bdiff_line {

          int hash, n, e;

          ssize_t len;

          const char *l;

      };

      struct bdiff_hunk;

      struct bdiff_hunk {

          int a1, a2, b1, b2;

          struct bdiff_hunk *next;

      };

      int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

      int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

          struct bdiff_hunk *base);

      void bdiff_freehunks(struct bdiff_hunk *l);

      void free(void*);

      """)

      if __name__ == '__main__':

          ffi.compile()

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				from __future__ import absolute_import

				import cffi
				import os

				ffi = cffi.FFI()
				with open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),
				'bdiff.c')) as f:
				ffi.set_source("mercurial.cffi._bdiff",
				f.read(), include_dirs=['mercurial'])
				ffi.cdef("""
				struct bdiff_line {
				int hash, n, e;
				ssize_t len;
				const char *l;
				};

				struct bdiff_hunk;
				struct bdiff_hunk {
				int a1, a2, b1, b2;
				struct bdiff_hunk *next;
				};

				int bdiff_splitlines(const char a, ssize_t len, struct bdiff_line *lr);
				int bdiff_diff(struct bdiff_line a, int an, struct bdiff_line b, int bn,
				struct bdiff_hunk *base);
				void bdiff_freehunks(struct bdiff_hunk *l);
				void free(void*);
				""")

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