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#!/usr/bin/python
'''
Copyright 2009, The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
'''
# script to highlight adb logcat output for console
# written by jeff sharkey, http://jsharkey.org/
# piping detection and popen() added by other android team members
import os, sys, re, io
import fcntl, termios, struct
# unpack the current terminal width/height
data = fcntl.ioctl(sys.stdout.fileno(), termios.TIOCGWINSZ, '1234')
HEIGHT, WIDTH = struct.unpack('hh',data)
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
def format(fg=None, bg=None, bright=False, bold=False, dim=False, reset=False):
# manually derived from http://en.wikipedia.org/wiki/ANSI_escape_code#Codes
codes = []
if reset: codes.append("0")
else:
if not fg is None: codes.append("3%d" % (fg))
if not bg is None:
if not bright: codes.append("4%d" % (bg))
else: codes.append("10%d" % (bg))
if bold: codes.append("1")
elif dim: codes.append("2")
else: codes.append("22")
return "\033[%sm" % (";".join(codes))
def indent_wrap(message, indent=0, width=80):
wrap_area = width - indent
messagebuf = io.StringIO()
current = 0
while current < len(message):
next = min(current + wrap_area, len(message))
messagebuf.write(message[current:next])
if next < len(message):
messagebuf.write("\n%s" % (" " * indent))
current = next
return messagebuf.getvalue()
LAST_USED = [RED,GREEN,YELLOW,BLUE,MAGENTA,CYAN,WHITE]
KNOWN_TAGS = {
"dalvikvm": BLUE,
"Process": BLUE,
"ActivityManager": CYAN,
"ActivityThread": CYAN,
}
def allocate_color(tag):
# this will allocate a unique format for the given tag
# since we dont have very many colors, we always keep track of the LRU
if not tag in KNOWN_TAGS:
KNOWN_TAGS[tag] = LAST_USED[0]
color = KNOWN_TAGS[tag]
LAST_USED.remove(color)
LAST_USED.append(color)
return color
RULES = {
#re.compile(r"([\w\.@]+)=([\w\.@]+)"): r"%s\1%s=%s\2%s" % (format(fg=BLUE), format(fg=GREEN), format(fg=BLUE), format(reset=True)),
}
TAGTYPE_WIDTH = 3
TAG_WIDTH = 20
PROCESS_WIDTH = 8 # 8 or -1
HEADER_SIZE = TAGTYPE_WIDTH + 1 + TAG_WIDTH + 1 + PROCESS_WIDTH + 1
TAGTYPES = {
"V": "%s%s%s " % (format(fg=WHITE, bg=BLACK), "V".center(TAGTYPE_WIDTH), format(reset=True)),
"D": "%s%s%s " % (format(fg=BLACK, bg=BLUE), "D".center(TAGTYPE_WIDTH), format(reset=True)),
"I": "%s%s%s " % (format(fg=BLACK, bg=GREEN), "I".center(TAGTYPE_WIDTH), format(reset=True)),
"W": "%s%s%s " % (format(fg=BLACK, bg=YELLOW), "W".center(TAGTYPE_WIDTH), format(reset=True)),
"E": "%s%s%s " % (format(fg=BLACK, bg=RED), "E".center(TAGTYPE_WIDTH), format(reset=True)),
}
retag = re.compile("^([A-Z])/([^\(]+)\(([^\)]+)\): (.*)$")
# to pick up -d or -e
adb_args = ' '.join(sys.argv[1:])
# if someone is piping in to us, use stdin as input. if not, invoke adb logcat
if os.isatty(sys.stdin.fileno()):
input = os.popen("adb %s logcat" % adb_args)
else:
input = sys.stdin
while True:
try:
line = input.readline()
except KeyboardInterrupt:
break
match = retag.match(line)
if not match is None:
tagtype, tag, owner, message = match.groups()
linebuf = io.StringIO()
# center process info
if PROCESS_WIDTH > 0:
owner = owner.strip().center(PROCESS_WIDTH)
linebuf.write("%s%s%s " % (format(fg=BLACK, bg=BLACK, bright=True), owner, format(reset=True)))
# right-align tag title and allocate color if needed
tag = tag.strip()
color = allocate_color(tag)
tag = tag[-TAG_WIDTH:].rjust(TAG_WIDTH)
linebuf.write("%s%s %s" % (format(fg=color, dim=False), tag, format(reset=True)))
# write out tagtype colored edge
if not tagtype in TAGTYPES: break
linebuf.write(TAGTYPES[tagtype])
# insert line wrapping as needed
message = indent_wrap(message, HEADER_SIZE, WIDTH)
# format tag message using rules
for matcher in RULES:
replace = RULES[matcher]
message = matcher.sub(replace, message)
linebuf.write(message)
line = linebuf.getvalue()
print(line)
if len(line) == 0: break
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