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log.py
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log.py
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#
# Microlog. Copyright (c) 2023 laffra, dcharbon. All rights reserved.
#
from collections import defaultdict
import os
import sys
import time
from microlog import config
from microlog.models import Call
from microlog.models import CallSite
from microlog.models import Stack
from microlog.models import Status
from microlog.models import toGB
from microlog.models import Marker
verbose = True
debug = False
def perf_counter():
try:
return time.perf_counter() # cPython
except:
return time.ticks_ms() / 1000 # Micropython
class Log():
def __init__(self):
self.start()
def start(self):
self.running = True
self.clear()
try:
self.begin = perf_counter()
except:
self.begin = 0
def clear(self):
self.calls = []
self.markers = []
self.statuses = []
def now(self):
return perf_counter() - self.begin
def addCall(self, call: Call):
if not self.running:
return
self.calls.append(call)
if len(self.calls) % 10000 == 0:
sys.stdout.write(f"{len(self.calls)} calls\n")
def addStatus(self, status: Status):
self.statuses.append(status)
def addMarker(self, marker: Marker):
self.markers.append(marker)
def saveSymbols(self, lines, symbols):
for symbol, _ in sorted(symbols.items(), key = lambda item: item[1]):
lines.append(symbol.replace("\n", "\\n"))
lines.append(f"{config.EVENT_KIND_SECTION} {config.EVENT_KIND_SYMBOL} {len(symbols)} Symbols")
def save(self):
lines = []
symbols = defaultdict(lambda: len(symbols))
Call.save(reversed(self.calls), lines, symbols)
Marker.save(reversed(self.markers), lines, symbols)
Status.save(reversed(self.statuses), lines, symbols)
self.saveSymbols(lines, symbols)
return "\n".join(reversed(lines))
def load(self, data: str):
lines = data.split("\n")
symbols = {}
symbolIndex = -1
callSites = {}
stacks = {}
self.calls = []
self.markers = []
self.statuses = []
kind = None
for line in lines:
if symbolIndex == -1 and line[0] == config.EVENT_KIND_SECTION:
parts = line.split()
kind = int(parts[1])
if kind == config.EVENT_KIND_SYMBOL:
symbolIndex = int(parts[2]) - 1
elif kind == config.EVENT_KIND_SYMBOL:
symbols[symbolIndex] = line.replace("\\n", "\n")
symbolIndex -= 1
elif kind == config.EVENT_KIND_CALLSITE:
index, callSite = CallSite.load(line, symbols)
callSites[int(index)] = callSite
elif kind == config.EVENT_KIND_STACK:
stack = Stack.load(line, callSites)
stacks[stack.index] = stack
elif kind == config.EVENT_KIND_CALL:
self.calls.append(Call.load(line, callSites))
elif kind == config.EVENT_KIND_STATUS:
self.statuses.append(Status.load(line, symbols))
elif kind == config.EVENT_KIND_MARKER:
self.markers.append(Marker.load(line, symbols, stacks))
def showProfileInPyScript(self):
import js # type: ignore
js.console.log("[Microlog] Show profile in PyScript")
def inject(src):
script = js.document.createElement("script")
script.type = "text/javascript"
script.src = src
js.document.body.appendChild(script)
inject("https://code.jquery.com/jquery-3.6.0.js")
inject("https://code.jquery.com/ui/1.13.2/jquery-ui.js")
js.console.log("[Microlog] Import main")
from dashboard import main
js.console.log("[Microlog] Show minimal UI")
main.showMinimalUI()
def stop(self):
self.running = False
if not getApplication():
return
try:
self.showProfileInPyScript()
except:
self.saveLogInLocalFileSystem()
def saveLogInLocalFileSystem(self):
import bz2
identifier = getIdentifier()
path = getLogPath(identifier)
uncompressed = bytes(self.save(), encoding="utf-8")
if debug:
with open(path.replace(".zip",""), "w") as fd:
fd.write(self.save())
sys.stdout.write(f'{path.replace(".zip", "")}\n')
with open(path, "wb") as fd:
fd.write(bz2.compress(uncompressed, 9))
if not verbose or "VSCODE_CWD" in os.environ and not "ipykernel" in sys.modules:
return
self.showDetails(path, identifier)
def showDetails(self, path, identifier):
application, _ = identifier.split("/")
duration = round(self.now(), 1)
size = toGB(os.stat(path).st_size)
url = f"http://127.0.0.1:4000/#{identifier}/"
sys.stdout.write(f"Microlog ··· {duration}s ··· {size} ··· {application} ··· {url}\n")
log = Log()
def start():
log.start()
def sanitize(filename):
return filename.replace("/", "_")
def getApplication():
from microlog import config
if config.application:
return config.application
name = sys.argv[0]
if name == "-c": name = "python"
if name == "-m": name = sys.argv[1]
name = "-".join(name.split("/")[-3:])
name = name.replace("python-site-packages-", "").replace(".py", "")
name = name.replace("python3 -m ", "")
name = name.replace("python -m ", "")
return name
def getIdentifier():
import datetime
date = datetime.datetime.now().strftime("%Y_%m_%d_%H_%M_%S")
return f"{getApplication()}/{date}"
def getLogPath(identifier):
import appdata
paths = appdata.AppDataPaths('microlog')
if paths.require_setup:
paths.setup()
path = paths.get_log_file_path(identifier)
dirname = os.path.dirname(path)
os.makedirs(dirname, exist_ok=True)
return f"{path}.zip"