patman: Convert camel case in command.py

Convert this file to snake case and update all files which use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/checkpatch.py b/tools/patman/checkpatch.py
index 8978df2..4677a7a 100644
--- a/tools/patman/checkpatch.py
+++ b/tools/patman/checkpatch.py
@@ -213,7 +213,7 @@
     args = [chk, '--no-tree']
     if show_types:
         args.append('--show-types')
-    output = command.Output(*args, fname, raise_on_error=False)
+    output = command.output(*args, fname, raise_on_error=False)
 
     return CheckPatchParse(output, verbose)
 
diff --git a/tools/patman/command.py b/tools/patman/command.py
index d54b1e0..c848aa1 100644
--- a/tools/patman/command.py
+++ b/tools/patman/command.py
@@ -32,7 +32,7 @@
         self.return_code = return_code
         self.exception = exception
 
-    def ToOutput(self, binary):
+    def to_output(self, binary):
         if not binary:
             self.stdout = self.stdout.decode('utf-8')
             self.stderr = self.stderr.decode('utf-8')
@@ -43,11 +43,11 @@
 # This permits interception of RunPipe for test purposes. If it is set to
 # a function, then that function is called with the pipe list being
 # executed. Otherwise, it is assumed to be a CommandResult object, and is
-# returned as the result for every RunPipe() call.
+# returned as the result for every run_pipe() call.
 # When this value is None, commands are executed as normal.
 test_result = None
 
-def RunPipe(pipe_list, infile=None, outfile=None,
+def run_pipe(pipe_list, infile=None, outfile=None,
             capture=False, capture_stderr=False, oneline=False,
             raise_on_error=True, cwd=None, binary=False,
             output_func=None, **kwargs):
@@ -104,7 +104,7 @@
             if raise_on_error:
                 raise Exception("Error running '%s': %s" % (user_pipestr, str))
             result.return_code = 255
-            return result.ToOutput(binary)
+            return result.to_output(binary)
 
     if capture:
         result.stdout, result.stderr, result.combined = (
@@ -116,13 +116,13 @@
         result.return_code = os.waitpid(last_pipe.pid, 0)[1]
     if raise_on_error and result.return_code:
         raise Exception("Error running '%s'" % user_pipestr)
-    return result.ToOutput(binary)
+    return result.to_output(binary)
 
-def Output(*cmd, **kwargs):
+def output(*cmd, **kwargs):
     kwargs['raise_on_error'] = kwargs.get('raise_on_error', True)
-    return RunPipe([cmd], capture=True, **kwargs).stdout
+    return run_pipe([cmd], capture=True, **kwargs).stdout
 
-def OutputOneLine(*cmd, **kwargs):
+def output_one_line(*cmd, **kwargs):
     """Run a command and output it as a single-line string
 
     The command us expected to produce a single line of output
@@ -131,15 +131,15 @@
         String containing output of command
     """
     raise_on_error = kwargs.pop('raise_on_error', True)
-    result = RunPipe([cmd], capture=True, oneline=True,
+    result = run_pipe([cmd], capture=True, oneline=True,
                      raise_on_error=raise_on_error, **kwargs).stdout.strip()
     return result
 
-def Run(*cmd, **kwargs):
-    return RunPipe([cmd], **kwargs).stdout
+def run(*cmd, **kwargs):
+    return run_pipe([cmd], **kwargs).stdout
 
-def RunList(cmd):
-    return RunPipe([cmd], capture=True).stdout
+def run_list(cmd):
+    return run_pipe([cmd], capture=True).stdout
 
-def StopAll():
+def stop_all():
     cros_subprocess.stay_alive = False
diff --git a/tools/patman/get_maintainer.py b/tools/patman/get_maintainer.py
index af4ba15..98ab82f 100644
--- a/tools/patman/get_maintainer.py
+++ b/tools/patman/get_maintainer.py
@@ -43,6 +43,6 @@
             print("WARNING: Couldn't find get_maintainer.pl")
         return []
 
-    stdout = command.Output(get_maintainer, '--norolestats', fname)
+    stdout = command.output(get_maintainer, '--norolestats', fname)
     lines = stdout.splitlines()
     return [ x.replace('"', '') for x in lines ]
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index e1ef96d..d06f052 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -67,7 +67,7 @@
     else:
         rev_range = '@{upstream}..'
     pipe = [LogCmd(rev_range, oneline=True)]
-    result = command.RunPipe(pipe, capture=True, capture_stderr=True,
+    result = command.run_pipe(pipe, capture=True, capture_stderr=True,
                              oneline=True, raise_on_error=False)
     if result.return_code:
         raise ValueError('Failed to determine upstream: %s' %
@@ -85,7 +85,7 @@
         Name of revision, if any, else None
     """
     pipe = ['git', 'name-rev', commit_hash]
-    stdout = command.RunPipe([pipe], capture=True, oneline=True).stdout
+    stdout = command.run_pipe([pipe], capture=True, oneline=True).stdout
 
     # We expect a commit, a space, then a revision name
     name = stdout.split(' ')[1].strip()
@@ -108,7 +108,7 @@
             Warning/error message, or None if none
     """
     pipe = [LogCmd(branch, git_dir=git_dir, oneline=True, count=100)]
-    result = command.RunPipe(pipe, capture=True, capture_stderr=True,
+    result = command.run_pipe(pipe, capture=True, capture_stderr=True,
                              raise_on_error=False)
     if result.return_code:
         return None, "Branch '%s' not found" % branch
@@ -134,9 +134,9 @@
             Warning/error message, or None if none
     """
     try:
-        remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+        remote = command.output_one_line('git', '--git-dir', git_dir, 'config',
                                        'branch.%s.remote' % branch)
-        merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+        merge = command.output_one_line('git', '--git-dir', git_dir, 'config',
                                       'branch.%s.merge' % branch)
     except:
         upstream, msg = GuessUpstream(git_dir, branch)
@@ -179,7 +179,7 @@
         were found
     """
     pipe = [LogCmd(range_expr, git_dir=git_dir, oneline=True)]
-    result = command.RunPipe(pipe, capture=True, capture_stderr=True,
+    result = command.run_pipe(pipe, capture=True, capture_stderr=True,
                              raise_on_error=False)
     if result.return_code:
         return None, "Range '%s' not found or is invalid" % range_expr
@@ -211,7 +211,7 @@
     """
     pipe = [LogCmd(commit_range, oneline=True),
             ['wc', '-l']]
-    stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
+    stdout = command.run_pipe(pipe, capture=True, oneline=True).stdout
     patch_count = int(stdout)
     return patch_count
 
@@ -230,7 +230,7 @@
     if force:
         pipe.append('-f')
     pipe.append(commit_hash)
-    result = command.RunPipe([pipe], capture=True, raise_on_error=False,
+    result = command.run_pipe([pipe], capture=True, raise_on_error=False,
                              capture_stderr=True)
     if result.return_code != 0:
         raise OSError('git checkout (%s): %s' % (pipe, result.stderr))
@@ -242,7 +242,7 @@
         commit_hash: Commit hash to check out
     """
     pipe = ['git', 'clone', git_dir, '.']
-    result = command.RunPipe([pipe], capture=True, cwd=output_dir,
+    result = command.run_pipe([pipe], capture=True, cwd=output_dir,
                              capture_stderr=True)
     if result.return_code != 0:
         raise OSError('git clone: %s' % result.stderr)
@@ -259,7 +259,7 @@
     if work_tree:
         pipe.extend(['--work-tree', work_tree])
     pipe.append('fetch')
-    result = command.RunPipe([pipe], capture=True, capture_stderr=True)
+    result = command.run_pipe([pipe], capture=True, capture_stderr=True)
     if result.return_code != 0:
         raise OSError('git fetch: %s' % result.stderr)
 
@@ -273,7 +273,7 @@
         True if git-worktree commands will work, False otherwise.
     """
     pipe = ['git', '--git-dir', git_dir, 'worktree', 'list']
-    result = command.RunPipe([pipe], capture=True, capture_stderr=True,
+    result = command.run_pipe([pipe], capture=True, capture_stderr=True,
                              raise_on_error=False)
     return result.return_code == 0
 
@@ -289,7 +289,7 @@
     pipe = ['git', '--git-dir', git_dir, 'worktree', 'add', '.', '--detach']
     if commit_hash:
         pipe.append(commit_hash)
-    result = command.RunPipe([pipe], capture=True, cwd=output_dir,
+    result = command.run_pipe([pipe], capture=True, cwd=output_dir,
                              capture_stderr=True)
     if result.return_code != 0:
         raise OSError('git worktree add: %s' % result.stderr)
@@ -301,7 +301,7 @@
         git_dir: The repository whose deleted worktrees should be pruned
     """
     pipe = ['git', '--git-dir', git_dir, 'worktree', 'prune']
-    result = command.RunPipe([pipe], capture=True, capture_stderr=True)
+    result = command.run_pipe([pipe], capture=True, capture_stderr=True)
     if result.return_code != 0:
         raise OSError('git worktree prune: %s' % result.stderr)
 
@@ -336,7 +336,7 @@
     brname = branch or 'HEAD'
     cmd += ['%s~%d..%s~%d' % (brname, start + count, brname, start)]
 
-    stdout = command.RunList(cmd)
+    stdout = command.run_list(cmd)
     files = stdout.splitlines()
 
     # We have an extra file if there is a cover letter
@@ -397,7 +397,7 @@
     Returns:
         True if the option is configured correctly, False otherwise.
     """
-    suppresscc = command.OutputOneLine('git', 'config', 'sendemail.suppresscc',
+    suppresscc = command.output_one_line('git', 'config', 'sendemail.suppresscc',
                                        raise_on_error=False)
 
     # Other settings should be fine.
@@ -477,7 +477,7 @@
     """
     to = BuildEmailList(series.get('to'), '--to', alias, warn_on_error)
     if not to:
-        git_config_to = command.Output('git', 'config', 'sendemail.to',
+        git_config_to = command.output('git', 'config', 'sendemail.to',
                                        raise_on_error=False)
         if not git_config_to:
             print("No recipient.\n"
@@ -606,7 +606,7 @@
             os.path.join(GetTopLevel(), 'tools', 'patman')
     True
     """
-    return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
+    return command.output_one_line('git', 'rev-parse', '--show-toplevel')
 
 def GetAliasFile():
     """Gets the name of the git alias file.
@@ -614,7 +614,7 @@
     Returns:
         Filename of git alias file, or None if none
     """
-    fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
+    fname = command.output_one_line('git', 'config', 'sendemail.aliasesfile',
             raise_on_error=False)
     if not fname:
         return None
@@ -631,7 +631,7 @@
     Returns:
         User name found in .gitconfig file, or None if none
     """
-    uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
+    uname = command.output_one_line('git', 'config', '--global', 'user.name')
     return uname
 
 def GetDefaultUserEmail():
@@ -640,7 +640,7 @@
     Returns:
         User's email found in .gitconfig file, or None if none
     """
-    uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
+    uemail = command.output_one_line('git', 'config', '--global', 'user.email')
     return uemail
 
 def GetDefaultSubjectPrefix():
@@ -649,7 +649,7 @@
     Returns:
         Subject prefix found in local .git/config file, or None if none
     """
-    sub_prefix = command.OutputOneLine('git', 'config', 'format.subjectprefix',
+    sub_prefix = command.output_one_line('git', 'config', 'format.subjectprefix',
                  raise_on_error=False)
 
     return sub_prefix
@@ -663,7 +663,7 @@
     if alias_fname:
         settings.ReadGitAliases(alias_fname)
     cmd = LogCmd(None, count=0)
-    use_no_decorate = (command.RunPipe([cmd], raise_on_error=False)
+    use_no_decorate = (command.run_pipe([cmd], raise_on_error=False)
                        .return_code == 0)
 
 def GetHead():
@@ -672,7 +672,7 @@
     Returns:
         Hash of HEAD
     """
-    return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
+    return command.output_one_line('git', 'show', '-s', '--pretty=format:%H')
 
 if __name__ == "__main__":
     import doctest
diff --git a/tools/patman/patchstream.py b/tools/patman/patchstream.py
index 1da9d53..d57d22a 100644
--- a/tools/patman/patchstream.py
+++ b/tools/patman/patchstream.py
@@ -700,7 +700,7 @@
     """
     params = gitutil.LogCmd(commit_range, reverse=True, count=count,
                             git_dir=git_dir)
-    return command.RunPipe([params], capture=True).stdout
+    return command.run_pipe([params], capture=True).stdout
 
 def get_metadata_for_list(commit_range, git_dir=None, count=None,
                           series=None, allow_overwrite=False):
diff --git a/tools/patman/test_util.py b/tools/patman/test_util.py
index 9654e73..c3f15f8 100644
--- a/tools/patman/test_util.py
+++ b/tools/patman/test_util.py
@@ -61,7 +61,7 @@
            '--omit "%s" %s %s %s -P1' % (prefix, ','.join(glob_list),
                                          prog, extra_args or '', test_cmd))
     os.system(cmd)
-    stdout = command.Output('python3-coverage', 'report')
+    stdout = command.output('python3-coverage', 'report')
     lines = stdout.splitlines()
     if required:
         # Convert '/path/to/name.py' just the module name 'name'
diff --git a/tools/patman/tools.py b/tools/patman/tools.py
index 453f2a7..35fade0 100644
--- a/tools/patman/tools.py
+++ b/tools/patman/tools.py
@@ -360,7 +360,7 @@
             args = tuple(extra_args) + args
         name = os.path.expanduser(name)  # Expand paths containing ~
         all_args = (name,) + args
-        result = command.RunPipe([all_args], capture=True, capture_stderr=True,
+        result = command.run_pipe([all_args], capture=True, capture_stderr=True,
                                  env=env, raise_on_error=False, binary=binary)
         if result.return_code:
             if raise_on_error:
@@ -545,7 +545,7 @@
         pager = [lesspath] if lesspath else None
     if not pager:
         pager = ['more']
-    command.Run(*pager, fname)
+    command.run(*pager, fname)
 
 def download(url, tmpdir_pattern='.patman'):
     """Download a file to a temporary directory