Merge pull request #14 from halloju/patch

Add patch_file()

Author: hrchu

src/solid/solid_api.py

@@ -189,7 +189,22 @@ def put_file(self, url, content: RequestContent, content_type, options: WriteOpt
         return self.put(url, request_options)
 
     def patch_file(self, url, patch_content, patch_content_type) -> Response:
-        raise Exception('Not implemented')
+    # raise Exception('Not implemented')
+        if url[-1] == '/':
+            raise Exception("Cannot use patchFile to create a folder : {}".format(url))
+        # if options.merge == MERGE.KEEP_TARGET and self.item_exists(url):
+        #     raise Exception(f'File already exists: {url}')
+
+        request_options = {
+            'headers': {
+                'Link': LINK.RESOURCE.value,
+                'Content-Type': patch_content_type,
+            },
+            'content': patch_content
+        }
+
+        return self.patch(url, request_options)
+    
 
     def read_folder(self, url, options: ReadFolderOptions = ReadFolderOptions()) -> FolderData:
         if url[-1] != '/':

tests/test_solid_api.py

@@ -6,13 +6,18 @@
 from httpx import HTTPStatusError
 
 from solid.auth import Auth
-from solid.solid_api import SolidAPI
+from solid.solid_api import SolidAPI, WriteOptions
 from solid.utils.api_util import append_slashes_at_end
 
 
 def gen_random_str() -> str:
     return uuid.uuid4().hex
 
+def parse_turtle(turtle: str) -> str:
+    lines = turtle.split('\n')
+    for line in lines:
+        if line.startswith('<> dct'):
+            return line
 
 POD_ENDPOINT = os.getenv('SOLID_ENDPOINT')
 IDP = os.getenv('SOLID_IDP')
@@ -145,3 +150,27 @@ def test_file():
 
     # delete
     api.delete(url)
+
+    # patch - create ttl file
+    patchedUrl = url + '.ttl'
+    body = "<> <http://purl.org/dc/terms/title> \"This is a test file\" .\n<> <http://www.w3.org/2000/10/swap/pim/contact#fullName> \"Eric Miller\" ."
+    f = io.BytesIO(body.encode('UTF-8'))
+    api.create_file(patchedUrl, f, 'text/turtle', WriteOptions())
+
+    # retrieve ttl file
+    resp = api.get(patchedUrl)
+    assert resp.text == body
+
+    # patch - update ttl file
+    body = "DELETE DATA { <> <http://www.w3.org/2000/10/swap/pim/contact#fullName> \"Eric Miller\" };\nINSERT DATA { <> <http://www.w3.org/2000/10/swap/pim/contact#personalTitle> \"Dr.\" }"
+    f = io.BytesIO(body.encode('UTF-8'))
+    api.patch_file(patchedUrl, f, 'application/sparql-update')
+
+    # retrieve updated ttl file
+    resp = api.get(patchedUrl)
+    patchedBody = '<> dct:title "This is a test file"; contact:personalTitle "Dr.".'
+    assert parse_turtle(resp.text) == patchedBody
+
+    
+
+