Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeder2.ecngs.de!ecngs!feeder.ecngs.de!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.025 X-Spam-Evidence: '*H*': 0.95; '*S*': 0.00; 'else:': 0.03; '"""': 0.07; 'finally:': 0.09; 'hierarchical': 0.09; 'def': 0.15; 'logger.': 0.16; 'name),': 0.16; 'name):': 0.16; 'placeholder': 0.16; 'skip:\xc2 30': 0.16; 'subject:logging': 0.16; 'received:74.125.82.44': 0.17; 'received:mail-ww0-f44.google.com': 0.17; 'subject:Help': 0.17; 'pointed': 0.21; 'url:home': 0.21; "doesn't": 0.22; 'header:In-Reply-To:1': 0.22; 'creating': 0.25; 'code.': 0.26; 'lee': 0.28; 'message-id:@mail.gmail.com': 0.29; 'fix': 0.29; 'anand': 0.30; 'exist.': 0.30; 'skip:\xc2 20': 0.30; 'specified': 0.31; "didn't": 0.31; 'references': 0.32; 'hi,': 0.32; 'yet': 0.32; 'source': 0.33; 'to:addr:python-list': 0.33; 'creates': 0.34; 'skip:& 10': 0.34; 'all.': 0.34; 'try:': 0.34; 'created': 0.36; 'none': 0.37; 'checks': 0.37; 'but': 0.37; 'received:74.125.82': 0.38; 'received:google.com': 0.38; 'subject:: ': 0.39; 'to:addr:python.org': 0.39; 'received:74.125': 0.39; 'love': 0.62; 'took': 0.63; 'lives': 0.63; 'truth': 0.64; 'man': 0.65; '8bit%:88': 0.66; '\xc2\xa0\xc2\xa0': 0.67; '8bit%:100': 0.70; 'skip:\xc2 10': 0.74; 'subject:this': 0.74; 'existed': 0.91; 'url:site': 0.95 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=18vyphiBT1JxVCrWPXLTfpM8jWQP+8gK3/im1ZRdZ3Y=; b=kAmMuFtALIkRYABi5BPOLbbWhDhEPa2fwxjz6p7YU+CTE3rl6loSllIBZUbI/OkJB1 Bzj405UtVzcmyc0jiT4LbvWHBK0/qhIKyWmxDEahyJA46YNexkV4T1eucqbByudb+nXX 98TM606/rGMp7bOOi9fwcVAkY9MD55EaJr2YE= MIME-Version: 1.0 In-Reply-To: References: From: anand jeyahar Date: Tue, 30 Aug 2011 17:01:42 +0530 Subject: Re: Help me understand this logging config To: python-list@python.org Content-Type: multipart/alternative; boundary=00248c0ef1a64e51c004abb75c64 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 112 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1314703930 news.xs4all.nl 2428 [2001:888:2000:d::a6]:38070 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:12435 --00248c0ef1a64e51c004abb75c64 Content-Type: text/plain; charset=UTF-8 Hi, I took a look at the logging source code. getLogger checks for existing loggers with the given name and if it doesn't creates one. def getLogger(self, name): """ Get a logger with the specified name (channel name), creating it if it doesn't yet exist. This name is a dot-separated hierarchical name, such as "a", "a.b", "a.b.c" or similar. If a PlaceHolder existed for the specified name [i.e. the logger didn't exist but a child of it did], replace it with the created logger and fix up the parent/child references which pointed to the placeholder to now point to the logger. """ rv = None _acquireLock() try: if name in self.loggerDict: rv = self.loggerDict[name] if isinstance(rv, PlaceHolder): ph = rv rv = (self.loggerClass or _loggerClass)(name) rv.manager = self self.loggerDict[name] = rv self._fixupChildren(ph, rv) self._fixupParents(rv) else: rv = (self.loggerClass or _loggerClass)(name) rv.manager = self self.loggerDict[name] = rv self._fixupParents(rv) finally: _releaseLock() return rv ============================================== Anand Jeyahar https://sites.google.com/site/ anandjeyahar ============================================== The man who is really serious, with the urge to find out what truth is, has no style at all. He lives only in what is. ~Bruce Lee Love is a trade with lousy accounting policies. ~Aang Jie --00248c0ef1a64e51c004abb75c64 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: base64 SGksIDxicj7CoMKgIEkgdG9vayBhIGxvb2sgYXQgdGhlIGxvZ2dpbmcgc291cmNlIGNvZGUuIGdl dExvZ2dlciBjaGVja3MgZm9yIGV4aXN0aW5nIGxvZ2dlcnMgd2l0aCB0aGUgZ2l2ZW4gbmFtZSBh bmQgaWYgaXQgZG9lc24mIzM5O3QgY3JlYXRlcyBvbmUuIDxicj48YnI+PGJyPjxicj5kZWYgZ2V0 TG9nZ2VyKHNlbGYsIG5hbWUpOjxicj7CoMKgwqDCoMKgwqDCoCAmcXVvdDsmcXVvdDsmcXVvdDs8 YnI+CgoKPHNwYW4gc3R5bGU9ImNvbG9yOnJnYigyNTUsIDAsIDApIj7CoMKgwqDCoMKgwqDCoCBH ZXQgYSBsb2dnZXIgd2l0aCB0aGUgc3BlY2lmaWVkIG5hbWUgKGNoYW5uZWwgbmFtZSksIGNyZWF0 aW5nIGl0PC9zcGFuPjxiciBzdHlsZT0iY29sb3I6cmdiKDI1NSwgMCwgMCkiPjxzcGFuIHN0eWxl PSJjb2xvcjpyZ2IoMjU1LCAwLCAwKSI+wqDCoMKgwqDCoMKgwqAgaWYgaXQgZG9lc24mIzM5O3Qg eWV0IGV4aXN0LiBUaGlzIG5hbWUgaXMgYSBkb3Qtc2VwYXJhdGVkIGhpZXJhcmNoaWNhbDwvc3Bh bj48YnIgc3R5bGU9ImNvbG9yOnJnYigyNTUsIDAsIDApIj4KCgo8c3BhbiBzdHlsZT0iY29sb3I6 cmdiKDI1NSwgMCwgMCkiPsKgwqDCoMKgwqDCoMKgIG5hbWUsIHN1Y2ggYXMgJnF1b3Q7YSZxdW90 OywgJnF1b3Q7YS5iJnF1b3Q7LCAmcXVvdDthLmIuYyZxdW90OyBvciBzaW1pbGFyLjwvc3Bhbj48 YnI+PGJyPsKgwqDCoMKgwqDCoMKgIElmIGEgUGxhY2VIb2xkZXIgZXhpc3RlZCBmb3IgdGhlIHNw ZWNpZmllZCBuYW1lIFtpLmUuIHRoZSBsb2dnZXI8YnI+wqDCoMKgwqDCoMKgwqAgZGlkbiYjMzk7 dCBleGlzdCBidXQgYSBjaGlsZCBvZiBpdCBkaWRdLCByZXBsYWNlIGl0IHdpdGggdGhlIGNyZWF0 ZWQ8YnI+CgoKwqDCoMKgwqDCoMKgwqAgbG9nZ2VyIGFuZCBmaXggdXAgdGhlIHBhcmVudC9jaGls ZCByZWZlcmVuY2VzIHdoaWNoIHBvaW50ZWQgdG8gdGhlPGJyPsKgwqDCoMKgwqDCoMKgIHBsYWNl aG9sZGVyIHRvIG5vdyBwb2ludCB0byB0aGUgbG9nZ2VyLjxicj7CoMKgwqDCoMKgwqDCoCAmcXVv dDsmcXVvdDsmcXVvdDs8YnI+wqDCoMKgwqDCoMKgwqAgcnYgPSBOb25lPGJyPsKgwqDCoMKgwqDC oMKgIF9hY3F1aXJlTG9jaygpPGJyPsKgwqDCoMKgwqDCoMKgIHRyeTo8YnI+CgoKwqDCoMKgwqDC oMKgwqDCoMKgwqDCoCBpZiBuYW1lIGluIHNlbGYubG9nZ2VyRGljdDo8YnI+wqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIHJ2ID0gc2VsZi5sb2dnZXJEaWN0W25hbWVdPGJyPsKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBpZiBpc2luc3RhbmNlKHJ2LCBQbGFjZUhvbGRlcik6PGJy PsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHBoID0gcnY8YnI+wqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcnYgPSAoc2VsZi5sb2dnZXJDbGFzcyBv ciBfbG9nZ2VyQ2xhc3MpKG5hbWUpPGJyPgoKCsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgIHJ2Lm1hbmFnZXIgPSBzZWxmPGJyPsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIHNlbGYubG9nZ2VyRGljdFtuYW1lXSA9IHJ2PGJyPsKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHNlbGYuX2ZpeHVwQ2hpbGRyZW4ocGgsIHJ2KTxicj7C oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBzZWxmLl9maXh1cFBhcmVudHMo cnYpPGJyPsKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZWxzZTo8YnI+wqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgPHNwYW4gc3R5bGU9ImNvbG9yOnJnYigyNTUsIDAsIDApIj7CoMKgwqAgcnYgPSAoc2Vs Zi5sb2dnZXJDbGFzcyBvciBfbG9nZ2VyQ2xhc3MpKG5hbWUpPC9zcGFuPjxiciBzdHlsZT0iY29s b3I6cmdiKDI1NSwgMCwgMCkiPgoKCjxzcGFuIHN0eWxlPSJjb2xvcjpyZ2IoMjU1LCAwLCAwKSI+ wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJ2Lm1hbmFnZXIgPSBzZWxmPC9zcGFuPjxi ciBzdHlsZT0iY29sb3I6cmdiKDI1NSwgMCwgMCkiPjxzcGFuIHN0eWxlPSJjb2xvcjpyZ2IoMjU1 LCAwLCAwKSI+wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHNlbGYubG9nZ2VyRGljdFtu YW1lXSA9IHJ2PC9zcGFuPjxiciBzdHlsZT0iY29sb3I6cmdiKDI1NSwgMCwgMCkiPgoKCjxzcGFu IHN0eWxlPSJjb2xvcjpyZ2IoMjU1LCAwLCAwKSI+wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIHNlbGYuX2ZpeHVwUGFyZW50cyhydik8L3NwYW4+PGJyPsKgwqDCoMKgwqDCoMKgIGZpbmFs bHk6PGJyPsKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgX3JlbGVhc2VMb2NrKCk8YnI+wqDCoMKgwqDC oMKgwqAgcmV0dXJuIHJ2PGJyPjxiciBjbGVhcj0iYWxsIj49PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PGJyPgoKCkFuYW5kIEpleWFoYXI8YnI+PGEgaHJlZj0i aHR0cHM6Ly9zaXRlcy5nb29nbGUuY29tL3NpdGUvYWFuZ2ppZS9ob21lL3F1b3RlcyIgdGFyZ2V0 PSJfYmxhbmsiPmh0dHBzOi8vc2l0ZXMuZ29vZ2xlLmNvbS9zaXRlLzwvYT5hbmFuZGpleWFoYXI8 YnI+PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PTxicj5UaGUg bWFuIHdobyBpcyByZWFsbHkgc2VyaW91cyw8YnI+CgoKd2l0aCB0aGUgdXJnZSB0byBmaW5kIG91 dCB3aGF0IHRydXRoIGlzLDxicj5oYXMgbm8gc3R5bGUgYXQgYWxsLiBIZSBsaXZlcyBvbmx5IGlu IHdoYXQgaXMuPGJyPsKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIH5CcnVjZSBMZWU8YnI+PGJy PkxvdmUgaXMgYSB0cmFkZSB3aXRoIGxvdXN5IGFjY291bnRpbmcgcG9saWNpZXMuPGJyPsKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgwqAgfjxhIGhyZWY9Imh0dHBzOi8vc2l0ZXMuZ29vZ2xlLmNvbS9z aXRlL2FhbmdqaWUvaG9tZS9xdW90ZXMiIHRhcmdldD0iX2JsYW5rIj5BYW5nIEppZTwvYT48YnI+ CgoKPGJyPgo8YnI+Cg== --00248c0ef1a64e51c004abb75c64--