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million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why am I getting an AttributeError when trying to print out up vote 10 down vote favorite 3 I am python raise ioerror learning about urllib2 by following this tutorial http://docs.python.org/howto/urllib2.html#urlerror Running the code below yields a different outcome from the tutorial import urllib2 req = urllib2.Request('http://www.pretend-o-server.org') try: urllib2.urlopen(req) except urllib2.URLError, e: print e.reason Python interpreter spits this back Traceback (most recent call last): File "urlerror.py", line 8, in print e.reason AttributeError: 'HTTPError' object has no attribute 'reason' How come this is happening? UPDATE When I try to print out the code attribute it works python custom exceptions fine import urllib2 req = urllib2.Request('http://www.pretend-o-server.org') try: urllib2.urlopen(req) except urllib2.URLError, e: print e.code python attributes urllib2 urllib share|improve this question edited Sep 26 '11 at 17:52 asked Sep 26 '11 at 12:10 s3z 2,41193776 What version of Python? –agf Sep 26 '11 at 12:36 Do you get the same error code if instead print e.reason you put print e.code? –Nick Dandoulakis Sep 26 '11 at 13:48 @Nick Ok now I am getting the AttributeError no matter which URL I pass in and no matter how I import and use urllib2 (and its methods). So everything is working predictably. When I do print e.code I get 404. @agf I'm using 2.6.5 and by the way, how did you get [Errno 11004] getaddrinfo failed. I swear I was getting that same message early today, I took a break, came back, ran the same code again and just get the original AttributeError. I'm thinking ghost in the machine but perhaps I am missing something. –s3z Sep 26 '11 at 18:00 add a comment| 3 Answers 3 active oldest votes up vote 6 down vote Depending on the error type, the object e may or may not carry that attribute. In the link you provided there is a more complete example: Number 2 from urll

a try statement with an except clause that mentions a particular class, that

Python Attributeerror Object Has No Attribute

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related via subclassing are never equivalent, even if they have the same name. The built-in exceptions listed below can be generated by the interpreter or built-in http://stackoverflow.com/questions/7554846/why-am-i-getting-an-attributeerror-when-trying-to-print-out functions. Except where mentioned, they have an "associated value" indicating the detailed cause of the error. This may be a string or a tuple of several items of information (e.g., an error code and a string explaining the code). The associated value is usually passed as arguments to the exception class's constructor. https://docs.python.org/3/library/exceptions.html User code can raise built-in exceptions. This can be used to test an exception handler or to report an error condition "just like" the situation in which the interpreter raises the same exception; but beware that there is nothing to prevent user code from raising an inappropriate error. The built-in exception classes can be subclassed to define new exceptions; programmers are encouraged to derive new exceptions from the Exception class or one of its subclasses, and not from BaseException. More information on defining exceptions is available in the Python Tutorial under User-defined Exceptions. When raising (or re-raising) an exception in an except or finally clause __context__ is automatically set to the last exception caught; if the new exception is not handled the traceback that is eventually displayed will include the originating exception(s) and the final exception. When raising a new exception (rather than using a bare

Support Search GitHub This repository Watch 129 Star 403 Fork 207 GoogleCloudPlatform/google-cloud-python Code Issues 194 Pull https://github.com/GoogleCloudPlatform/google-cloud-python/issues/865 requests 19 Projects 0 Wiki Pulse Graphs New issue with Batch() as batch: clause throws AttributeError regarding Connection object #865 Closed charlesbclifford opened this Issue May https://www.codecademy.com/en/forum_questions/52b85bd1631fe96c760001d8 8, 2015 · 9 comments Projects None yet Labels bug datastore question Milestone Datastore Stable Assignees No one assigned 3 participants charlesbclifford commented May 8, 2015 python raise Just installed gcloud-python this past Tuesday, and this is my 1st time using it. Shown below is the code that is throwing an AttributeError regarding the Connection object. The code is about a method which builds a batch of new entities which are intended to loaded into Datastore. After the last batch.put(_ENTITY) statement executes attribute error print successfully, and the with datastore.batch.Batch(connection=connection) as batch: clause completes, this error is thrown Load_Datastore() Unexpected error: AttributeError: 'Connection' object has no attribute 'commit' I'm not sure why the reference to the commit attribute is made relative to the Connection object, and not to the Batch object. Here's the abbreviated method call that throws the AttributeError regarding the Connection object: from gcloud import storage storage.set_default_bucket('') storage.set_default_project('aaaaaaa-bbbbbb-33333') from gcloud import datastore datastore.set_default_dataset_id('xxx_xxx') from gcloud.datastore.batch import Batch def Load_Datastore(): try: Get_Bucket_Metadata() #set configuration variables connection = storage.get_connection() storage.set_default_connection(connection) datastore.set_default_connection(connection) if not _RECORDS: print "_RECORDS is empty" else: print "there are %s records to write into Datastore"%(str(len(_RECORDS))) #start transaction with Datastore with datastore.batch.Batch(connection=connection) as batch: _ENTITIES=[] for _RECORD in _RECORDS: _PROPERTIES=[] if _RECORD: for _KEY_VALUES in _RECORD: _KEY_VALUE_PAIR=_KEY_VALUES.split('|') if str(_KEY_VALUE_PAIR[0])=='ROW_KEY': _ENTITY_KEY=str(_KEY_VALUE_PAIR[1]) else: _PROPERTIES.append("%s|%s"%(str(_KEY_VALUE_PAIR[0]),str(_KEY_VALUE_PAIR[1]))) #an empty list is False if not _PROPERTIES: print "_PROPERTIES is empty" else: try: key = datastore.Key('CI_ADJ_TYPE',_ENTITY_KEY,namespace='xxx',dataset_id='xxx_yyy') try: DS_ENTITY = datastore.Entity(key) for _PROPERTY in _PROPERTIES: _NAME_VALUE=_PROPERTY.split('|') _COLUMN_NAME=str(_NAME_VALUE[0]) _COLUMN_VALUE=str(_NAME_VALUE[1

attribute 'd... Introduction to Classes Forum View Course » View Exercise 952 points Submitted by David Noble almost 3 years ago Attribute error - "'Animal' has no attribute 'description" Although I got the same error on the exercise where I made this method and called it, it is stopping me from passing this exercise. Here's my code: class Animal(object): """Makes cute animals.""" is_alive = True health = "good" def __init__(self, name, age): self.name = name self.age = age # Add your method here! def description(): print self.name print self.age hippo = Animal("Clive", 7) hippo.description() sloth = Animal("Bob", 3) ocelot = Animal("Minion", 6) print hippo.health print sloth.health print ocelot.health The error I get - AttributeError: 'Animal' has no attribute 'description' Please could you help me understand why it thinks that my method is an attribute, and why it is preventing me from passing. Thanks 3 votes permalink Look at this, used 4x space instead of tab in description method http://www.codecademy.com/zh/forum_questions/52964a32abf821e5fc0005e8 541 points Submitted by pengkai almost 3 years ago 1 Comment David Noble almost 3 years ago Thanks, that was it. I had used 4 spaces within the description method, different from the rest of the animal class which was one tab 2 votes permalink in the class description do def description(self): instead of def description(): 382 points Submitted by GAURAV BISHT almost 3 years ago 1 vote permalink I commented "hippo.description" out in my code. It is not required for this exercise... #hippo.description 373 points Submitted by Samir Aghayev almost 3 years ago 1 Comment Max Meade over 2 years ago This was my problem, too. As soon as I removed hippo.description() the code passed. 1 vote permalink class Animal(object): """Makes cute animals.""" isalive = True health

 

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