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Integrate verbose logging with get_sources (#3749)
[etc/vim.git] / src / blackd / __init__.py
index 6bbc7c520866421feefef37befca3e3dd224a11a..c1b69feed634ffed06581c784cf5295b4b69021a 100644 (file)
@@ -1,7 +1,7 @@
 import asyncio
 import logging
 from concurrent.futures import Executor, ProcessPoolExecutor
 import asyncio
 import logging
 from concurrent.futures import Executor, ProcessPoolExecutor
-from datetime import datetime
+from datetime import datetime, timezone
 from functools import partial
 from multiprocessing import freeze_support
 from typing import Set, Tuple
 from functools import partial
 from multiprocessing import freeze_support
 from typing import Set, Tuple
@@ -30,6 +30,7 @@ _stop_signal = asyncio.Event()
 PROTOCOL_VERSION_HEADER = "X-Protocol-Version"
 LINE_LENGTH_HEADER = "X-Line-Length"
 PYTHON_VARIANT_HEADER = "X-Python-Variant"
 PROTOCOL_VERSION_HEADER = "X-Protocol-Version"
 LINE_LENGTH_HEADER = "X-Line-Length"
 PYTHON_VARIANT_HEADER = "X-Python-Variant"
+SKIP_SOURCE_FIRST_LINE = "X-Skip-Source-First-Line"
 SKIP_STRING_NORMALIZATION_HEADER = "X-Skip-String-Normalization"
 SKIP_MAGIC_TRAILING_COMMA = "X-Skip-Magic-Trailing-Comma"
 PREVIEW = "X-Preview"
 SKIP_STRING_NORMALIZATION_HEADER = "X-Skip-String-Normalization"
 SKIP_MAGIC_TRAILING_COMMA = "X-Skip-Magic-Trailing-Comma"
 PREVIEW = "X-Preview"
@@ -40,6 +41,7 @@ BLACK_HEADERS = [
     PROTOCOL_VERSION_HEADER,
     LINE_LENGTH_HEADER,
     PYTHON_VARIANT_HEADER,
     PROTOCOL_VERSION_HEADER,
     LINE_LENGTH_HEADER,
     PYTHON_VARIANT_HEADER,
+    SKIP_SOURCE_FIRST_LINE,
     SKIP_STRING_NORMALIZATION_HEADER,
     SKIP_MAGIC_TRAILING_COMMA,
     PREVIEW,
     SKIP_STRING_NORMALIZATION_HEADER,
     SKIP_MAGIC_TRAILING_COMMA,
     PREVIEW,
@@ -57,9 +59,15 @@ class InvalidVariantHeader(Exception):
 
 @click.command(context_settings={"help_option_names": ["-h", "--help"]})
 @click.option(
 
 @click.command(context_settings={"help_option_names": ["-h", "--help"]})
 @click.option(
-    "--bind-host", type=str, help="Address to bind the server to.", default="localhost"
+    "--bind-host",
+    type=str,
+    help="Address to bind the server to.",
+    default="localhost",
+    show_default=True,
+)
+@click.option(
+    "--bind-port", type=int, help="Port to listen on", default=45484, show_default=True
 )
 )
-@click.option("--bind-port", type=int, help="Port to listen on", default=45484)
 @click.version_option(version=black.__version__)
 def main(bind_host: str, bind_port: int) -> None:
     logging.basicConfig(level=logging.INFO)
 @click.version_option(version=black.__version__)
 def main(bind_host: str, bind_port: int) -> None:
     logging.basicConfig(level=logging.INFO)
@@ -111,6 +119,9 @@ async def handle(request: web.Request, executor: Executor) -> web.Response:
         skip_magic_trailing_comma = bool(
             request.headers.get(SKIP_MAGIC_TRAILING_COMMA, False)
         )
         skip_magic_trailing_comma = bool(
             request.headers.get(SKIP_MAGIC_TRAILING_COMMA, False)
         )
+        skip_source_first_line = bool(
+            request.headers.get(SKIP_SOURCE_FIRST_LINE, False)
+        )
         preview = bool(request.headers.get(PREVIEW, False))
         fast = False
         if request.headers.get(FAST_OR_SAFE_HEADER, "safe") == "fast":
         preview = bool(request.headers.get(PREVIEW, False))
         fast = False
         if request.headers.get(FAST_OR_SAFE_HEADER, "safe") == "fast":
@@ -119,6 +130,7 @@ async def handle(request: web.Request, executor: Executor) -> web.Response:
             target_versions=versions,
             is_pyi=pyi,
             line_length=line_length,
             target_versions=versions,
             is_pyi=pyi,
             line_length=line_length,
+            skip_source_first_line=skip_source_first_line,
             string_normalization=not skip_string_normalization,
             magic_trailing_comma=not skip_magic_trailing_comma,
             preview=preview,
             string_normalization=not skip_string_normalization,
             magic_trailing_comma=not skip_magic_trailing_comma,
             preview=preview,
@@ -126,7 +138,13 @@ async def handle(request: web.Request, executor: Executor) -> web.Response:
         req_bytes = await request.content.read()
         charset = request.charset if request.charset is not None else "utf8"
         req_str = req_bytes.decode(charset)
         req_bytes = await request.content.read()
         charset = request.charset if request.charset is not None else "utf8"
         req_str = req_bytes.decode(charset)
-        then = datetime.utcnow()
+        then = datetime.now(timezone.utc)
+
+        header = ""
+        if skip_source_first_line:
+            first_newline_position: int = req_str.find("\n") + 1
+            header = req_str[:first_newline_position]
+            req_str = req_str[first_newline_position:]
 
         loop = asyncio.get_event_loop()
         formatted_str = await loop.run_in_executor(
 
         loop = asyncio.get_event_loop()
         formatted_str = await loop.run_in_executor(
@@ -140,12 +158,16 @@ async def handle(request: web.Request, executor: Executor) -> web.Response:
             if formatted_str == req_str:
                 raise black.NothingChanged
 
             if formatted_str == req_str:
                 raise black.NothingChanged
 
+        # Put the source first line back
+        req_str = header + req_str
+        formatted_str = header + formatted_str
+
         # Only output the diff in the HTTP response
         only_diff = bool(request.headers.get(DIFF_HEADER, False))
         if only_diff:
         # Only output the diff in the HTTP response
         only_diff = bool(request.headers.get(DIFF_HEADER, False))
         if only_diff:
-            now = datetime.utcnow()
-            src_name = f"In\t{then} +0000"
-            dst_name = f"Out\t{now} +0000"
+            now = datetime.now(timezone.utc)
+            src_name = f"In\t{then}"
+            dst_name = f"Out\t{now}"
             loop = asyncio.get_event_loop()
             formatted_str = await loop.run_in_executor(
                 executor,
             loop = asyncio.get_event_loop()
             formatted_str = await loop.run_in_executor(
                 executor,