[fix] formatting

duniterpy/localblockchain.py

@@ -14,18 +14,25 @@ from .documents import Block
 
 CHUNK_SIZE = 250
 
-class JsonBlockchain():
+
+class JsonBlockchain:
     def __init__(self, folder):
-        self.folder = folder # folder where chunks are stored
-        self.chunks = len(glob.glob(os.path.join(folder, "chunk_*"))) # number of files starting with "chunk_"
-        self.current_block_in_chunk = 0 # number from 0 to 249 equal to current_block // current_chunk
-        self.current_chunk = 0 # current chunk number
-        self.chunk = [] # parsed json for current chunk (length = 250)
-        self.parsechunk() # parse first chunk
+        self.folder = folder  # folder where chunks are stored
+        self.chunks = len(
+            glob.glob(os.path.join(folder, "chunk_*"))
+        )  # number of files starting with "chunk_"
+        self.current_block_in_chunk = (
+            0  # number from 0 to 249 equal to current_block // current_chunk
+        )
+        self.current_chunk = 0  # current chunk number
+        self.chunk = []  # parsed json for current chunk (length = 250)
+        self.parsechunk()  # parse first chunk
 
     def parsechunk(self):
         """parse a json chunk file"""
-        with open(os.path.join(self.folder, f"chunk_{self.current_chunk}-250.json")) as f:
+        with open(
+            os.path.join(self.folder, f"chunk_{self.current_chunk}-250.json")
+        ) as f:
             s = f.read()
             p = json.loads(s)
             self.chunk = p["blocks"]
@@ -35,14 +42,19 @@ class JsonBlockchain():
 
     def __next__(self):
         """if current block is outside current chunk, parse next one, otherwise, return current block parsed json"""
-        if self.current_block_in_chunk == 250: # block outside chunk
-            self.current_block_in_chunk = 0 # reset to next chunk start
-            self.current_chunk += 1 # increment current chunk number
-            if self.current_chunk >= self.chunks: # outside range
+        if self.current_block_in_chunk == 250:  # block outside chunk
+            self.current_block_in_chunk = 0  # reset to next chunk start
+            self.current_chunk += 1  # increment current chunk number
+            if self.current_chunk >= self.chunks:  # outside range
                 raise StopIteration()
-            self.parsechunk() # parse this chunk
-        self.current_block_in_chunk += 1 # increment current block number for next iteration
-        return self.chunk[self.current_block_in_chunk-1] # return block (before incrementation)
+            self.parsechunk()  # parse this chunk
+        self.current_block_in_chunk += (
+            1  # increment current block number for next iteration
+        )
+        return self.chunk[
+            self.current_block_in_chunk - 1
+        ]  # return block (before incrementation)
+
 
 def Blockchain(json_blockchain):
     """convert json to duniterpy block document"""
@@ -50,12 +62,11 @@ def Blockchain(json_blockchain):
     for jb in jbc:
         yield Block.from_parsed_json(jb)
 
+
 def load(path=".config/duniter/duniter_default/g1/"):
     """returns an iterator allowing to browse all the blockchain
     in practice, it will load chunk by chunk and only keep one in memory at a time"""
-    path = os.path.join(os.path.expanduser("~"), path) # expand path
-    jbc = JsonBlockchain(path) # gets an iterator over json blockchain
-    bc = Blockchain(jbc) # convert it to an iterator over blocks
-    return bc # returns
-
-
+    path = os.path.join(os.path.expanduser("~"), path)  # expand path
+    jbc = JsonBlockchain(path)  # gets an iterator over json blockchain
+    bc = Blockchain(jbc)  # convert it to an iterator over blocks
+    return bc  # returns