Merge pull request gitpython-developers#1813 from EliahKagan/logging

Don't suppress messages when logging is not configured

Author: Byron

git/cmd.py

@@ -81,8 +81,7 @@
     "strip_newline_in_stdout",
 }
 
-log = logging.getLogger(__name__)
-log.addHandler(logging.NullHandler())
+_logger = logging.getLogger(__name__)
 
 __all__ = ("Git",)
 
@@ -146,7 +145,7 @@ def pump_stream(
                         handler(line)
 
         except Exception as ex:
-            log.error(f"Pumping {name!r} of cmd({remove_password_if_present(cmdline)}) failed due to: {ex!r}")
+            _logger.error(f"Pumping {name!r} of cmd({remove_password_if_present(cmdline)}) failed due to: {ex!r}")
             if "I/O operation on closed file" not in str(ex):
                 # Only reraise if the error was not due to the stream closing
                 raise CommandError([f"<{name}-pump>"] + remove_password_if_present(cmdline), ex) from ex
@@ -600,7 +599,7 @@ def _terminate(self) -> None:
                     self.status = self._status_code_if_terminate or proc.poll()
                     return
             except OSError as ex:
-                log.info("Ignored error after process had died: %r", ex)
+                _logger.info("Ignored error after process had died: %r", ex)
 
             # It can be that nothing really exists anymore...
             if os is None or getattr(os, "kill", None) is None:
@@ -613,7 +612,7 @@ def _terminate(self) -> None:
 
                 self.status = self._status_code_if_terminate or status
             except OSError as ex:
-                log.info("Ignored error after process had died: %r", ex)
+                _logger.info("Ignored error after process had died: %r", ex)
             # END exception handling
 
         def __del__(self) -> None:
@@ -654,7 +653,7 @@ def read_all_from_possibly_closed_stream(stream: Union[IO[bytes], None]) -> byte
 
             if status != 0:
                 errstr = read_all_from_possibly_closed_stream(p_stderr)
-                log.debug("AutoInterrupt wait stderr: %r" % (errstr,))
+                _logger.debug("AutoInterrupt wait stderr: %r" % (errstr,))
                 raise GitCommandError(remove_password_if_present(self.args), status, errstr)
             return status
 
@@ -1018,7 +1017,7 @@ def execute(
         # Remove password for the command if present.
         redacted_command = remove_password_if_present(command)
         if self.GIT_PYTHON_TRACE and (self.GIT_PYTHON_TRACE != "full" or as_process):
-            log.info(" ".join(redacted_command))
+            _logger.info(" ".join(redacted_command))
 
         # Allow the user to have the command executed in their working dir.
         try:
@@ -1055,7 +1054,7 @@ def execute(
         stdout_sink = PIPE if with_stdout else getattr(subprocess, "DEVNULL", None) or open(os.devnull, "wb")
         if shell is None:
             shell = self.USE_SHELL
-        log.debug(
+        _logger.debug(
             "Popen(%s, cwd=%s, stdin=%s, shell=%s, universal_newlines=%s)",
             redacted_command,
             cwd,
@@ -1167,17 +1166,17 @@ def as_text(stdout_value: Union[bytes, str]) -> str:
             # END as_text
 
             if stderr_value:
-                log.info(
+                _logger.info(
                     "%s -> %d; stdout: '%s'; stderr: '%s'",
                     cmdstr,
                     status,
                     as_text(stdout_value),
                     safe_decode(stderr_value),
                 )
             elif stdout_value:
-                log.info("%s -> %d; stdout: '%s'", cmdstr, status, as_text(stdout_value))
+                _logger.info("%s -> %d; stdout: '%s'", cmdstr, status, as_text(stdout_value))
             else:
-                log.info("%s -> %d", cmdstr, status)
+                _logger.info("%s -> %d", cmdstr, status)
         # END handle debug printing
 
         if with_exceptions and status != 0:

git/config.py

@@ -60,10 +60,7 @@
 
 __all__ = ("GitConfigParser", "SectionConstraint")
 
-
-log = logging.getLogger("git.config")
-log.addHandler(logging.NullHandler())
-
+_logger = logging.getLogger(__name__)
 
 CONFIG_LEVELS: ConfigLevels_Tup = ("system", "user", "global", "repository")
 """The configuration level of a configuration file."""
@@ -412,7 +409,7 @@ def release(self) -> None:
         try:
             self.write()
         except IOError:
-            log.error("Exception during destruction of GitConfigParser", exc_info=True)
+            _logger.error("Exception during destruction of GitConfigParser", exc_info=True)
         except ReferenceError:
             # This happens in Python 3... and usually means that some state cannot be
             # written as the sections dict cannot be iterated. This usually happens when
@@ -712,7 +709,7 @@ def write(self) -> None:
         # END assert multiple files
 
         if self._has_includes():
-            log.debug(
+            _logger.debug(
                 "Skipping write-back of configuration file as include files were merged in."
                 + "Set merge_includes=False to prevent this."
             )

git/objects/commit.py

@@ -52,8 +52,7 @@
 
 # ------------------------------------------------------------------------
 
-log = logging.getLogger("git.objects.commit")
-log.addHandler(logging.NullHandler())
+_logger = logging.getLogger(__name__)
 
 __all__ = ("Commit",)
 
@@ -767,7 +766,7 @@ def _deserialize(self, stream: BytesIO) -> "Commit":
                 self.author_tz_offset,
             ) = parse_actor_and_date(author_line.decode(self.encoding, "replace"))
         except UnicodeDecodeError:
-            log.error(
+            _logger.error(
                 "Failed to decode author line '%s' using encoding %s",
                 author_line,
                 self.encoding,
@@ -781,7 +780,7 @@ def _deserialize(self, stream: BytesIO) -> "Commit":
                 self.committer_tz_offset,
             ) = parse_actor_and_date(committer_line.decode(self.encoding, "replace"))
         except UnicodeDecodeError:
-            log.error(
+            _logger.error(
                 "Failed to decode committer line '%s' using encoding %s",
                 committer_line,
                 self.encoding,
@@ -795,7 +794,7 @@ def _deserialize(self, stream: BytesIO) -> "Commit":
         try:
             self.message = self.message.decode(self.encoding, "replace")
         except UnicodeDecodeError:
-            log.error(
+            _logger.error(
                 "Failed to decode message '%s' using encoding %s",
                 self.message,
                 self.encoding,

git/objects/submodule/base.py

@@ -40,6 +40,7 @@
 
 
 # typing ----------------------------------------------------------------------
+
 from typing import Callable, Dict, Mapping, Sequence, TYPE_CHECKING, cast
 from typing import Any, Iterator, Union
 
@@ -50,14 +51,11 @@
     from git.repo import Repo
     from git.refs import Head
 
-
 # -----------------------------------------------------------------------------
 
 __all__ = ["Submodule", "UpdateProgress"]
 
-
-log = logging.getLogger("git.objects.submodule.base")
-log.addHandler(logging.NullHandler())
+_logger = logging.getLogger(__name__)
 
 
 class UpdateProgress(RemoteProgress):
@@ -731,7 +729,7 @@ def update(
                         )
                         mrepo.head.reference.set_tracking_branch(remote_branch)
                     except (IndexError, InvalidGitRepositoryError):
-                        log.warning("Failed to checkout tracking branch %s", self.branch_path)
+                        _logger.warning("Failed to checkout tracking branch %s", self.branch_path)
                     # END handle tracking branch
 
                     # NOTE: Have to write the repo config file as well, otherwise the
@@ -761,14 +759,14 @@ def update(
                         binsha = rcommit.binsha
                         hexsha = rcommit.hexsha
                     else:
-                        log.error(
+                        _logger.error(
                             "%s a tracking branch was not set for local branch '%s'",
                             msg_base,
                             mrepo.head.reference,
                         )
                     # END handle remote ref
                 else:
-                    log.error("%s there was no local tracking branch", msg_base)
+                    _logger.error("%s there was no local tracking branch", msg_base)
                 # END handle detached head
             # END handle to_latest_revision option
 
@@ -786,15 +784,15 @@ def update(
                         if force:
                             msg = "Will force checkout or reset on local branch that is possibly in the future of"
                             msg += " the commit it will be checked out to, effectively 'forgetting' new commits"
-                            log.debug(msg)
+                            _logger.debug(msg)
                         else:
                             msg = "Skipping %s on branch '%s' of submodule repo '%s' as it contains un-pushed commits"
                             msg %= (
                                 is_detached and "checkout" or "reset",
                                 mrepo.head,
                                 mrepo,
                             )
-                            log.info(msg)
+                            _logger.info(msg)
                             may_reset = False
                         # END handle force
                     # END handle if we are in the future
@@ -834,7 +832,7 @@ def update(
         except Exception as err:
             if not keep_going:
                 raise
-            log.error(str(err))
+            _logger.error(str(err))
         # END handle keep_going
 
         # HANDLE RECURSION

git/objects/submodule/root.py

@@ -22,8 +22,7 @@
 
 __all__ = ["RootModule", "RootUpdateProgress"]
 
-log = logging.getLogger("git.objects.submodule.root")
-log.addHandler(logging.NullHandler())
+_logger = logging.getLogger(__name__)
 
 
 class RootUpdateProgress(UpdateProgress):
@@ -321,7 +320,7 @@ def update(
                                     # this way, it will be checked out in the next step.
                                     # This will change the submodule relative to us, so
                                     # the user will be able to commit the change easily.
-                                    log.warning(
+                                    _logger.warning(
                                         "Current sha %s was not contained in the tracking\
              branch at the new remote, setting it the the remote's tracking branch",
                                         sm.hexsha,
@@ -393,7 +392,7 @@ def update(
         except Exception as err:
             if not keep_going:
                 raise
-            log.error(str(err))
+            _logger.error(str(err))
         # END handle keep_going
 
         # FINALLY UPDATE ALL ACTUAL SUBMODULES

git/remote.py

@@ -58,10 +58,7 @@
 
 # -------------------------------------------------------------
 
-
-log = logging.getLogger("git.remote")
-log.addHandler(logging.NullHandler())
-
+_logger = logging.getLogger(__name__)
 
 __all__ = ("RemoteProgress", "PushInfo", "FetchInfo", "Remote")
 
@@ -846,7 +843,7 @@ def _get_fetch_info_from_stderr(
         stderr_text = progress.error_lines and "\n".join(progress.error_lines) or ""
         proc.wait(stderr=stderr_text)
         if stderr_text:
-            log.warning("Error lines received while fetching: %s", stderr_text)
+            _logger.warning("Error lines received while fetching: %s", stderr_text)
 
         for line in progress.other_lines:
             line = force_text(line)
@@ -867,9 +864,9 @@ def _get_fetch_info_from_stderr(
             msg += "length of progress lines %i should be equal to lines in FETCH_HEAD file %i\n"
             msg += "Will ignore extra progress lines or fetch head lines."
             msg %= (l_fil, l_fhi)
-            log.debug(msg)
-            log.debug(b"info lines: " + str(fetch_info_lines).encode("UTF-8"))
-            log.debug(b"head info: " + str(fetch_head_info).encode("UTF-8"))
+            _logger.debug(msg)
+            _logger.debug(b"info lines: " + str(fetch_info_lines).encode("UTF-8"))
+            _logger.debug(b"head info: " + str(fetch_head_info).encode("UTF-8"))
             if l_fil < l_fhi:
                 fetch_head_info = fetch_head_info[:l_fil]
             else:
@@ -881,8 +878,8 @@ def _get_fetch_info_from_stderr(
             try:
                 output.append(FetchInfo._from_line(self.repo, err_line, fetch_line))
             except ValueError as exc:
-                log.debug("Caught error while parsing line: %s", exc)
-                log.warning("Git informed while fetching: %s", err_line.strip())
+                _logger.debug("Caught error while parsing line: %s", exc)
+                _logger.warning("Git informed while fetching: %s", err_line.strip())
         return output
 
     def _get_push_info(
@@ -924,7 +921,7 @@ def stdout_handler(line: str) -> None:
             if not output:
                 raise
             elif stderr_text:
-                log.warning("Error lines received while fetching: %s", stderr_text)
+                _logger.warning("Error lines received while fetching: %s", stderr_text)
                 output.error = e
 
         return output

git/repo/base.py

@@ -89,7 +89,7 @@
 
 # -----------------------------------------------------------
 
-log = logging.getLogger(__name__)
+_logger = logging.getLogger(__name__)
 
 __all__ = ("Repo",)
 
@@ -772,7 +772,7 @@ def is_valid_object(self, sha: str, object_type: Union[str, None] = None) -> boo
                 if object_info.type == object_type.encode():
                     return True
                 else:
-                    log.debug(
+                    _logger.debug(
                         "Commit hash points to an object of type '%s'. Requested were objects of type '%s'",
                         object_info.type.decode(),
                         object_type,
@@ -781,7 +781,7 @@ def is_valid_object(self, sha: str, object_type: Union[str, None] = None) -> boo
             else:
                 return True
         except BadObject:
-            log.debug("Commit hash is invalid.")
+            _logger.debug("Commit hash is invalid.")
             return False
 
     def _get_daemon_export(self) -> bool:
@@ -1298,7 +1298,7 @@ def _clone(
             cmdline = getattr(proc, "args", "")
             cmdline = remove_password_if_present(cmdline)
 
-            log.debug("Cmd(%s)'s unused stdout: %s", cmdline, stdout)
+            _logger.debug("Cmd(%s)'s unused stdout: %s", cmdline, stdout)
             finalize_process(proc, stderr=stderr)
 
         # Our git command could have a different working dir than our actual

git/util.py

@@ -104,7 +104,7 @@
     "HIDE_WINDOWS_KNOWN_ERRORS",
 ]
 
-log = logging.getLogger(__name__)
+_logger = logging.getLogger(__name__)
 
 
 def _read_win_env_flag(name: str, default: bool) -> bool:
@@ -124,7 +124,7 @@ def _read_win_env_flag(name: str, default: bool) -> bool:
     except KeyError:
         return default
 
-    log.warning(
+    _logger.warning(
         "The %s environment variable is deprecated. Its effect has never been documented and changes without warning.",
         name,
     )
@@ -135,7 +135,7 @@ def _read_win_env_flag(name: str, default: bool) -> bool:
         return False
     if adjusted_value in {"1", "true", "yes"}:
         return True
-    log.warning("%s has unrecognized value %r, treating as %r.", name, value, default)
+    _logger.warning("%s has unrecognized value %r, treating as %r.", name, value, default)
     return default
 
 
@@ -466,7 +466,7 @@ def is_cygwin_git(git_executable: Union[None, PathLike]) -> bool:
             # retcode = process.poll()
             is_cygwin = "CYGWIN" in uname_out
         except Exception as ex:
-            log.debug("Failed checking if running in CYGWIN due to: %r", ex)
+            _logger.debug("Failed checking if running in CYGWIN due to: %r", ex)
         _is_cygwin_cache[git_executable] = is_cygwin
 
     return is_cygwin