115 lines
3.1 KiB
Python
115 lines
3.1 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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import pdb, os, sys, time, re, inspect
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from email.MIMEMultipart import MIMEMultipart
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from email.MIMEText import MIMEText
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from email.Header import Header
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import traceback
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# Simple & stupid file logguer, used only to debug
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# (logging to SQL is done in scolog)
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LOG_FILENAME = "notes.log" # empty to disable logging
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DEFAULT_LOG_DIR = "/tmp" # clients should call set_log_directory to change this
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ALARM_DESTINATION = "emmanuel.viennet@univ-paris13.fr" # XXX a mettre en preference
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class _logguer:
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def __init__(self):
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self.file = None
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self.directory = None
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self.set_log_directory(DEFAULT_LOG_DIR)
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def set_log_directory(self, directory):
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if self.directory != directory and self.file:
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# changing directory when a log is already open: close it
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self.file.close()
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self.file = None
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self.directory = directory
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def _open(self):
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if LOG_FILENAME:
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path = os.path.join(self.directory, LOG_FILENAME)
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self.file = open(path, "a")
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self("new _logguer (%s)" % path)
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else:
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self.file = None # logging disabled
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def __call__(self, msg):
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if not self.file:
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self._open()
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if self.file:
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dept = retreive_dept()
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if dept:
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dept = " (%s)" % dept
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self.file.write(
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"[%s]%s %s\n" % (time.strftime("%a %b %d %H:%M:%S %Y"), dept, msg)
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)
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# if not dept:
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# import traceback
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# traceback.print_stack(file=self.file) # hunt missing REQUESTS
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self.file.flush()
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log = _logguer()
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def retreive_request(skip=0):
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"""Try to retreive a REQUEST variable in caller stack.
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This is a hack, used only in log functions.
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"""
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def search(frame):
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if frame.f_locals.has_key("REQUEST"):
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return frame.f_locals["REQUEST"]
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if frame.f_back:
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return search(frame.f_back)
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else:
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return None
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frame = inspect.currentframe()
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if frame: # not supported by all pythons
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startframe = frame
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while skip and startframe.f_back:
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startframe = startframe.f_back
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return search(startframe)
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else:
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return None
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def retreive_dept():
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"""Try to retreive departement (from REQUEST URL)"""
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REQUEST = retreive_request()
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if not REQUEST:
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return ""
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try:
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url = REQUEST.URL
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m = re.match(r"^.*ScoDoc/(\w+).*$", url)
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return m.group(1)
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except:
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return ""
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# Alarms by email:
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def sendAlarm(context, subj, txt):
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import sco_utils
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msg = MIMEMultipart()
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subj = Header(subj, sco_utils.SCO_ENCODING)
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msg["Subject"] = subj
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msg["From"] = context.get_preference("email_from_addr")
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msg["To"] = ALARM_DESTINATION
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msg.epilogue = ""
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txt = MIMEText(txt, "plain", sco_utils.SCO_ENCODING)
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msg.attach(txt)
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context.sendEmail(msg)
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# Debug: log call stack
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def logCallStack():
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log("Call stack:\n" + "\n".join(x.strip() for x in traceback.format_stack()[:-1]))
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