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

contrib: add a set of scripts to run pytype in Docker...

contrib: add a set of scripts to run pytype in Docker Having a simple way to run pytype for developers can massively shorten development cycle. Using the same Docker image and scripts that we use on our CI guarantees that the result achieved locally will be very similar to (if not the same as) the output of our CI runners. Things to note: the Dockerfile needs to do a little dance around user permissions inside /home/ci-runner/ because: - on one hand, creating new files on the host (e.g. .pyi files inside .pytype/) should use host user's uid and gid - on the other hand, when we run the image as uid:gid of host user, it needs to be able to read/execute files inside the image that are owned by ci-runner Since local user's uid might be different from ci-runner's uid, we execute this very broad chmod command inside /home/ci-runner/, but then run the image as the host user's uid:gid. There might be a better way to do this.

Gregory Szorc - - Load All Authors

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             bdiffbuild.py
        
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      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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				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()