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Add support for recent log format changes, be more tolerant on whitespaces, cope with object names containing '>'

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This commit is contained in:
René Stadler 2008-06-29 21:14:07 +03:00 committed by Stefan Sauer
parent 3f8e214447
commit ff146e1cb1
1 changed files with 38 additions and 75 deletions
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113
debug-viewer/GstDebugViewer/Data.py
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@ -119,26 +119,25 @@ def strip_escape (s):
def default_log_line_regex_ ():
# "DEBUG "
LEVEL = "([A-Z]+) +"
LEVEL = "([A-Z]+)\s+"
# "0x8165430 "
THREAD = r"(0x[0-9a-f]+) +" #r"\((0x[0-9a-f]+) - "
THREAD = r"(0x[0-9a-f]+)\s+" #r"\((0x[0-9a-f]+) - "
# "0:00:00.777913000 "
TIME = r"([0-9]+:[0-9][0-9]:[0-9][0-9]\.[0-9]+) +"
CATEGORY = "([A-Za-z0-9_-]+) +" # "GST_REFCOUNTING ", "flacdec "
TIME = r"(\d+:\d\d:\d\d\.\d+)\s+"
CATEGORY = "([A-Za-z0-9_-]+)\s+" # "GST_REFCOUNTING ", "flacdec "
# " 3089 "
PID = r"([0-9]+) +"
PID = r"(\d+)\s+"
FILENAME = r"([^:]+):"
LINE = r"([0-9]+):"
LINE = r"(\d+):"
FUNCTION = "([A-Za-z0-9_]+):"
# FIXME: When non-g(st)object stuff is logged with *_OBJECT (like
# buffers!), the address is printed *without* <> brackets!
OBJECT = "(?:<([^>]+)>)?"
MESSAGE = " (.+)"
OBJECT = "(?:<([^>]+)> )?"
MESSAGE = "(.+)"
expressions = [" *", CATEGORY, FILENAME, LINE, FUNCTION, OBJECT]
# New log format:
## expressions = [TIME, PID, THREAD, LEVEL, CATEGORY, FILENAME, LINE, FUNCTION,
## OBJECT, MESSAGE]
expressions = [TIME, PID, THREAD, LEVEL, CATEGORY, FILENAME, LINE, FUNCTION,
OBJECT, MESSAGE]
# Old log format:
## expressions = [LEVEL, THREAD, TIME, CATEGORY, PID, FILENAME, LINE,
## FUNCTION, OBJECT, MESSAGE]
@ -200,15 +199,10 @@ class LineCache (Producer):
offsets = self.offsets
levels = self.levels
# FIXME: Duplicated from GUI.LazyLogModel!
ts_len = 17
pid_len = 5
# Need to find out thread len below...
level_len = 5
thread_start = ts_len + 1 + pid_len + 1
dict_levels = {"D" : debug_level_debug, "L" : debug_level_log,
"I" : debug_level_info, "E" : debug_level_error,
"W" : debug_level_warning, " " : debug_level_none}
rexp = re.compile (r"\d:\d\d:\d\d\.\d+\s+\d+\s+0x[0-9a-f]+\s+([DLIEW ])")
readline = self.__fileobj.readline
tell = self.__fileobj.tell
@ -216,30 +210,16 @@ class LineCache (Producer):
self.__fileobj.seek (0)
limit = self._lines_per_iteration
i = 0
# TODO: Remove the checks inside this loop. Instead, let exceptions
# raise, catch them outside (for performance) and resume the iteration.
while True:
offset = tell ()
line = readline ()
if not line:
break
if not line.strip ():
# Ignore empty lines, especially the one established by the
# final newline at the end:
continue
if len (line) < ts_len:
continue
# FIXME: We need to handle foreign lines separately!
if line[1] != ":" or line[4] != ":" or line[7] != ".":
# No timestamp at start, ignore line:
continue
thread_end = line.find (" ", thread_start)
if thread_end == -1 or thread_end + 1 >= len (line):
match = rexp.match (line)
if match is None:
continue
levels.append (dict_levels.get (match.group (1), debug_level_none))
offsets.append (offset)
level_start = line[thread_end + 1:thread_end + 2]
levels.append (dict_levels.get (level_start, debug_level_none))
i += 1
if i >= limit:
i = 0
@ -255,50 +235,33 @@ class LogLine (list):
@classmethod
def parse_full (cls, line_string):
ts_len = 17
pid_len = 5
thread_pos = ts_len + 1 + pid_len + 1
thread_len = line_string[thread_pos:thread_pos + 32].find (" ")
level_len = 5
non_regex_len = ts_len + 1 + pid_len + thread_len + 1 + level_len + 1
non_regex_line = line_string[:non_regex_len]
regex_line = line_string[non_regex_len:]
prefix = non_regex_line.rstrip ()
while " " in prefix:
prefix = prefix.replace (" ", " ")
if prefix.count (" ") < 3:
return [0, 0, 0, 0, "", "", 0, "", "", 0]
ts_s, pid_s, thread_s = prefix.split (" ")[:-1] # Omits level.
ts = parse_time (ts_s)
pid = int (pid_s)
thread = int (thread_s, 16)
try:
## level = DebugLevel (level_s)
match = cls._line_regex.match (regex_line[:-len (os.linesep)])
except ValueError:
level = debug_level_none
match = None
match = cls._line_regex.match (line_string)
if match is None:
# FIXME?
groups = [ts, pid, thread, 0, "", "", 0, "", "", non_regex_len]
else:
# FIXME: Level (the 0 after thread) needs to be moved out of here!
groups = [ts, pid, thread, 0] + list (match.groups ()) + [non_regex_len + match.end ()]
## raise ValueError ("not a valid log line (%r)" % (line_string,))
groups = [0, 0, 0, 0, "", "", 0, "", "", 0]
return cls (groups)
for col_id in (4, # COL_CATEGORY
5, # COL_FILENAME
7, # COL_FUNCTION,
8,): # COL_OBJECT
groups[col_id] = intern (groups[col_id] or "")
groups[6] = int (groups[6]) # line
# groups[8] = groups[8] or "" # object (optional)
line = cls (match.groups ())
# Timestamp.
line[0] = parse_time (line[0])
# PID.
line[1] = int (line[1])
# Thread.
line[2] = int (line[2], 16)
# Level (this is handled in LineCache).
line[3] = 0
# Line.
line[6] = int (line[6])
# Message start offset.
line[9] = match.start (9 + 1)
return cls (groups)
for col_id in (4, # COL_CATEGORY
5, # COL_FILENAME
7, # COL_FUNCTION,
8,): # COL_OBJECT
line[col_id] = intern (line[col_id] or "")
return line
def line_string (self, message = None):