remote: rename "checksum" -> "hash" (iterative#4051)

* remote: s/get_checksum/get_hash/

* remote/tree: s/get_file_checksum/get_file_hash/

* remote: s/get_dir_checksum/get_dir_hash/

* remote: s/checksum_to_path/hash_to_path/

* remote: s/path_to_checksum/path_to_hash/

* remote: cleanup remaining checksum references

* remote.index: s/checksum/hash/

* note: does not rename "checksum" field in the index DB schema

dvc/api.py

@@ -30,7 +30,7 @@ def get_url(path, repo=None, rev=None, remote=None):
             raise UrlNotDvcRepoError(_repo.url)
         out = _repo.find_out_by_relpath(path)
         remote_obj = _repo.cloud.get_remote(remote)
-        return str(remote_obj.checksum_to_path_info(out.checksum))
+        return str(remote_obj.hash_to_path_info(out.checksum))
 
 
 def open(path, repo=None, rev=None, remote=None, mode="r", encoding=None):

dvc/data_cloud.py

@@ -92,7 +92,7 @@ def pull(
 
     def _save_pulled_checksums(self, cache):
         for checksum in cache.scheme_keys("local"):
-            cache_file = self.repo.cache.local.checksum_to_path_info(checksum)
+            cache_file = self.repo.cache.local.hash_to_path_info(checksum)
             if self.repo.cache.local.tree.exists(cache_file):
                 # We can safely save here, as existing corrupted files will
                 # be removed upon status, while files corrupted during

dvc/dependency/repo.py

@@ -64,8 +64,8 @@ def _get_checksum(self, locked=True):
 
                 # We are polluting our repo cache with some dir listing here
                 if tree.isdir(path):
-                    return self.repo.cache.local.get_checksum(path, tree)
-                return tree.get_file_checksum(path)
+                    return self.repo.cache.local.get_hash(path, tree)
+                return tree.get_file_hash(path)
 
     def status(self):
         current_checksum = self._get_checksum(locked=True)

dvc/output/base.py

@@ -163,7 +163,7 @@ def supported(cls, url):
 
     @property
     def cache_path(self):
-        return self.cache.checksum_to_path_info(self.checksum).url
+        return self.cache.hash_to_path_info(self.checksum).url
 
     @property
     def checksum_type(self):
@@ -178,11 +178,11 @@ def checksum(self, checksum):
         self.info[self.remote.tree.PARAM_CHECKSUM] = checksum
 
     def get_checksum(self):
-        return self.remote.get_checksum(self.path_info)
+        return self.remote.get_hash(self.path_info)
 
     @property
     def is_dir_checksum(self):
-        return self.remote.is_dir_checksum(self.checksum)
+        return self.remote.is_dir_hash(self.checksum)
 
     @property
     def exists(self):

dvc/remote/azure.py

@@ -113,7 +113,7 @@ def remove(self, path_info):
         logger.debug(f"Removing {path_info}")
         self.blob_service.delete_blob(path_info.bucket, path_info.path)
 
-    def get_file_checksum(self, path_info):
+    def get_file_hash(self, path_info):
         return self.get_etag(path_info)
 
     def _upload(