iro.model: adding docstring devel
authorSandro Knauß <knauss@netzguerilla.net>
Thu, 29 Mar 2012 16:27:40 +0200
branchdevel
changeset 258 0a5eb5aac0be
parent 257 31114e40178d
child 259 5d9c24c2cb8d
iro.model: adding docstring
iro/model/dbdefer.py
iro/model/decorators.py
iro/model/job.py
iro/model/message.py
iro/model/offer.py
iro/model/pool.py
iro/model/schema.py
--- a/iro/model/dbdefer.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/dbdefer.py	Thu Mar 29 16:27:40 2012 +0200
@@ -7,8 +7,16 @@
 import inspect
 
 class DBDefer(object):
-    '''a twisted sqlalchemy connector this Decorator adds a session parameter, with a valid session connection'''
+    '''a twisted sqlalchemy connector.
+    
+    This is used as a Decorator class.
+    It adds a session parameter to the function with a valid session.
+    If the session parmaeter is used in calling this function only calls a commit after running the function, instead of createing a new session.'''
     def __init__(self, engine, autocommit=False):
+        """
+        :param `sqlalchemy.engine.base.Engine` engine: a valid sqlalchemy engine object (normally created via :func:`sqlalchemy.create_engine`).
+        :param boolean autocommit: autocommit after running the function.
+        """
         self.autocommit=autocommit
         self.engine = engine
 
@@ -53,8 +61,10 @@
         return wrap
 
 dbdefer=DBDefer(None)
+"""the decorator to use. Use :func:`setEngine` to set a valid engine after program has started."""
 
 def setEngine(engine,autocommit=False): 
+    """set the engine and autocommit for the decorator (see :class:`DBDefer`)."""
     dbdefer.engine = engine
     dbdefer.autocommit = autocommit
 
--- a/iro/model/decorators.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/decorators.py	Thu Mar 29 16:27:40 2012 +0200
@@ -1,5 +1,11 @@
+"""All decorators, that are created by this package.
+
+Imports:
+
+- :func:`.user.vUser` -- a validator for apikeys.
+- :func:`.pool.runInDBPool` -- runs a actual function in dbpool.
+"""
 import types
-from decorator import decorator
 
 from .user import vUser
 from .schema import Offer
@@ -10,6 +16,17 @@
 
 @dbdefer
 def vRoute(session, value, field, typ, allowString=True, allowList=True):
+    """ a validator to test a valid route. use with :func:`iro.validate.validate`. 
+
+    :param session: a valid session object (is created by decorator :func:`iro.model.dbdefer.dbdefer`)
+    :param value: the value to test
+    :param string field: the field that is tested (only used to get a propper error message).
+    :param string typ: a typ to test the route in
+    :param boolean allowString: a single route is allowd.
+    :param boolean allowList: a list of routes is allowed.
+    :return: *value*, if value is a valid route for a given typ.
+    :raises: :exc:`iro.error.ValidateException`
+    """
     str_ = False
     ret = []
 
@@ -34,6 +51,15 @@
 
 @dbdefer
 def vTyp(value,field, session):
+    """ a validator to test a valid typ. use with :func:`iro.validate.validate`. 
+
+    :param session: a valid session object (is created by decorator :func:`iro.model.dbdefer.dbdefer`)
+    :param value: the value to test
+    :param string field: the field that is tested (only used to get a propper error message).
+    :return: *value*, if value is a valid typ.
+    :raises: :exc:`iro.error.ValidateException`
+    """
+
     for typ in Offer.typs(session):
         if value == typ[0]:
             break
--- a/iro/model/job.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/job.py	Thu Mar 29 16:27:40 2012 +0200
@@ -8,12 +8,25 @@
 from .dbdefer import dbdefer
 
 class ExJob:
-    '''One Job is a class that handles one job. One Job has multiple tasks.'''
+    ''' A ExJob object represents a message to multiple recipients over multiple offers to send.  
+
+    One single message to one recipient is handeld in :class:`iro.controller.task.Task`.
+    This class holds connections to all tasks.
+    This class is responsiple to update the status in database of one job and updating the bill.
+    '''
     
     synchronized = ["incStatus", "_status"]
 
     def __init__(self, dbjob, recipients, message, offers):
-        self.dbjob = dbjob       #Connection to mysql job element (id)
+        """Constructor of ExJob.
+        
+        :param dbjob: primary key of the job element in database
+        :param list recipients: list of all recipients
+        :param `iro.model.message.Message` message: message to send
+        :param list offers: list of all possible offers to send message over
+        """
+
+        self.dbjob = dbjob       #Connection to database job element (id)
         self.message = message
         self.recipients = recipients
         self.offers = offers
@@ -23,13 +36,23 @@
         log.msg("Job(%s) created."%(self.dbjob))
 
     def addTask(self,task):
+        """adding a task to tasks dict - key is the recipient.
+        
+        :param `iro.controller.task.Task` task: a task
+        """
         self.tasks[task.recipient] = task
 
     def incStatus(self):
+        """increments the processed messages (function is threadsafe)."""
         self.c += 1
         return self.c
 
     def _status(self, session, status):
+        """updates the status of the database object (function is threadsafe).
+
+        :param session: a valid database session
+        :param string status: new status
+        """
         job = schema.Job.get(session, self.dbjob)
         if self.status == "error":
             return
@@ -42,6 +65,10 @@
 
     @dbdefer
     def setStatus(self, session, task, status):
+        """callback of one task.
+        
+        This function  updates the database object and the bill.
+        """
         c = self.incStatus()
         job = schema.Job.get(session, self.dbjob)
         
@@ -59,6 +86,10 @@
 
     @dbdefer
     def setError(self, session, task, err):
+        """errback for one task.
+
+        This function updates the database object.
+        """
         self.incStatus()
         if self.status != "error":
             self._status(session,"error")
@@ -67,9 +98,19 @@
 threadable.synchronize(ExJob)
 
 class ExJobs(dict, MutableMapping):
-
+    """ a dict to handle all jobs.
+    """
     @dbdefer
     def create(self, session, user, recipients, message, offers, info=None):
+        """creates on new Job.
+        
+        :param session: a valid session ( created by decorator :func:`iro.model.dbdefer.dbdefer`)
+        :param `iro.model.schema.User` user: a user object
+        :param list recipients: list of all recipients
+        :param `iro.model.message.Message` message: message to send
+        :param list offers: a list of offers ( list will be reduced to the allowed offers for the **user** -- using :func:`iro.model.offer.extendProvider`)
+        :returns: the new job
+        """
         user = session.merge(user)
         job = schema.Job(info=info, status="started")
         user.jobs.append(job)
@@ -80,3 +121,4 @@
         return self[job.id]
 
 exJobs = ExJobs()
+"""the dict of all available jobs."""
--- a/iro/model/message.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/message.py	Thu Mar 29 16:27:40 2012 +0200
@@ -1,36 +1,65 @@
 # -*- coding: utf-8 -*-
-
+"""All available message typs to send send.
+"""
 from email.mime.text import MIMEText
 from email.header import Header
 from email.Utils import formatdate
 
 class Message:
+    """ Baseclass for all different message typs."""
     def __init__(self,content, typ="Message"):
+        """Constructor of Message class.
+        
+        :param content: content of the message
+        :param string typ: typ of the message
+
+        .. automethod:: __eq__
+        .. automethod:: __neq__
+        """
         self.content=content
         self.typ = typ
 
 
     def getContent(self):
+        """returns the content of the message"""
         return self.content
 
     def __eq__(self,other):
+        """return ``True`` if **other** has the same content."""
         return self.content == other.content
 
-    def __ne__(self,other):
+    def __neq__(self,other):
+        """return ``False`` if **other** has the same content."""
         return not self.__eq__(other)
 
 class SMS(Message):
+    """ A representation of one SMS"""
     def __init__(self, cont, from_ = None):
+        """Constructor of SMS class.
+
+        :param string cont: SMS content
+        :param string from_: the telnumber from the SMS should be sended.
+        """
         Message.__init__(self, cont.encode("utf-8"), typ="sms")
         self.from_ = from_
 
 class Fax(Message):
+    """A representation of one fax."""
     def __init__(self,header,cont,attachments=[]):
+        """Constructor of one fax.
+        
+        :param string header: Headline of fax
+        :param string cont: fax content
+        :param list attachments: attachments of fax
+        """
         Message.__init__(self,cont.encode("utf-8"),typ="fax")
         self.header=header
         self.attachments=attachments
 
     def getAttachment(self,i):
+        """returns a attachment
+        :param integer i:  the i-th attachment
+        """
         return self.attachments[i]
 
     def __eq__(self,other):
@@ -51,7 +80,16 @@
 
 
 class Mail(Message):
+    """A representation of one Mail"""
     def __init__(self, subject, body, frm):
+        """Constructor of one mail.
+
+        :param string subject: subject of the mail
+        :param string body: body of the mail
+        :param string frm: mailaddress to send mail from
+
+        .. automethod:: __repr__
+        """
         con = MIMEText(body.encode("utf-8"), _charset='utf-8')
         sub = Header(subject.encode('utf-8'), 'utf-8')
         con['Subject'] = sub
@@ -62,9 +100,11 @@
         Message.__init__(self, con, typ='mail')
 
     def as_string(self):
+        """returns created mail"""
         return self.content.as_string()
 
     def getFrom(self):
+        """returns the from mailaddress"""
         return self.frm
     
     def __eq__(self,other):
@@ -77,4 +117,10 @@
         return True
 
     def __repr__(self):
-        return "<Mail(%s,%s,%s)>"%(self.subject,self.body,self.frm)
+        """string representation of the class.
+
+        :returns: ``<Mail(subject, body, frm)>``
+        """
+        return "<Mail(%s, %s, %s)>"%(self.subject,self.body,self.frm)
+
+__all__=["Message", "SMS", "Fax", "Mail"]
--- a/iro/model/offer.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/offer.py	Thu Mar 29 16:27:40 2012 +0200
@@ -6,6 +6,17 @@
 
 @dbdefer
 def extendProvider(session, user, typ, ps):
+    """extend and reduce the offer list to allowed routes for **user**.
+
+    - extend the "default" to the default offerlist of the **user**.
+    - extend a Provider name to all routes of that provider.
+
+    :param session: a valid session ( created by decorator :func:`iro.model.dbdefer.dbdefer`)
+    :param `iro.model.schema.User` user: a user object
+    :param string typ: typ of the message
+    :param ps: a list of strings or a string, each one offer name or provider name
+    :return: a extended an reduced offer list
+    """
     user = session.merge(user)
     ret = []
     if ps == "default" or ps == ["default"]:
@@ -22,6 +33,10 @@
 
 @dbdefer
 def loadOffers(session):
+    """loading Offers from database and configuration file and store them in :attr:`~iro.model.offer.offers` and :attr:`~iro.model.offer.providers`.
+
+    :param session: a valid session ( created by decorator :func:`iro.model.dbdefer.dbdefer`)
+    """
     offers.clear()
     providers.clear()
     for provider in ( s for s in configParser.sections() if not s in ["main",]):
@@ -33,7 +48,11 @@
         providers[provider]=p
 
 offers={}
+"""A dict of all available offers -- key is the offer name"""
+
 providers={}
+"""A dict of all available providers -- key is the provider name"""
+
 
 configParser.registerReload(loadOffers)
 
--- a/iro/model/pool.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/pool.py	Thu Mar 29 16:27:40 2012 +0200
@@ -1,18 +1,23 @@
 from decorator import decorator
 import sqlalchemy
 class Data:
+    """A very simple class to save the thread pool for database requests"""
     def __init__(self):
         self.pool =  None
 
 data = Data()
-#a valid dbDefer decorator
+"""holds connection to the actual thread pool for the database requests"""
 
 def setPool(pool): 
+    """setting the thread pool"""
     data.pool = pool
 
 @decorator
 def runInDBPool(f,*args,**kwargs):
-    """Decorator to run DB queries in Twisted's thread pool"""
+    """Decorator to run DB queries in Twisted's thread pool.
+    
+    If last argument is a session object, the function is called directly.
+    """
     if isinstance(args[-1],sqlalchemy.orm.session.Session):
         return f(*args,**kwargs)
     else:
--- a/iro/model/schema.py	Thu Mar 29 13:46:37 2012 +0200
+++ b/iro/model/schema.py	Thu Mar 29 16:27:40 2012 +0200
@@ -17,21 +17,32 @@
 Base = declarative_base()
 
 class Userright(Base):
-    """Über welche Routen darf ein Benutzer Daten verschicken und welches sind die Standardrouten (<em>default!=None</em>) für den Benuter. Geordnert werden die Standardrouten nach default."""
+    """Allowed offers for one user. Default routes are sorted by **default** value."""
     __tablename__ = 'userright'
     user_name = Column('user', String(100), ForeignKey('apiuser.name'), primary_key=True)
+    """username"""
     offer_name = Column('offer', String(100), ForeignKey('offer.name'), primary_key=True)
+    """offername"""
     default = Column(Integer)
+    """sorting defaults routes with this value"""
     offer = relationship("Offer")
+    """connected :class:`Offer` object"""
     user = relationship("User")
+    """connected :class:`User` object"""
 
     def __init__(self, offer, default=None):
+        """Constructor of Userright class.
+
+        :param `Offer` offer: a offer object
+        :param integer default: default value
+        """
+
         self.offer = offer
         self.default = default
 
     @property
     def bill(self):
-        '''getting a list of unbilled messages grouped by Job.info'''
+        """returns a list of unbilled messages grouped by Job.info"""
         query = [ func.count(Message.id).label('anz'),      # anz of messages
                   func.sum(Message.price).label("price"),   # price of the messages
                   Job.info.label('info'),                   # info tag
@@ -45,88 +56,177 @@
         return object_session(self).query(*query).filter(and_(*filters)).group_by(Job.info)
 
 class Offer(Base):
-    """Alle Routen über die SMS, Faxe und Mails verschickt werden könnnen. <em>provider</em>, <em>typ</em> und <em>route</em> werden verwendet, um die entsprechenden Zugangsdaten laden zu können."""
+    """All possible Offers over a Message can be sended. **provider**, **typ** and **route** are used to get the data form configuration file."""
     __tablename__ = "offer"
     name = Column(String(100), primary_key=True)
+    """name of the offer"""
     provider = Column(String(100))
+    """provider name"""
     route = Column(String(100))
+    """route of the provider"""
     typ = Column(String(100))
+    """typ of message"""
+    
+    def __init__(self, **kwargs):
+        Base.__init__(self,**kwargs)
   
     @classmethod
     def get(cls, session, provider, route, typ):
+        """returns a Offer object."""
         return session.query(cls).filter(and_(cls.provider==provider, cls.route==route, cls.typ==typ)).first()
 
     @classmethod
     def routes(cls, session, typ):
+        """returns a query object of all possible offers.
+        
+        :param string typ: get all offers that support this typ
+        """
         return session.query(cls).filter_by(typ=typ)
 
     @classmethod
     def typs(cls, session):
+        """returns a list of all possible types.
+        """
         return session.query(cls.typ).distinct()
 
     @classmethod
     def providers(cls, session, typ):
+        """returns a list of all possible providers.
+        
+        :param string typ: get all providers that support this typ
+        """
         return session.query(cls.provider).filter_by(typ=typ).distinct()
 
 class Message(Base):
-    """Wenn ein Vorgang von Iro Kosten erzeugt hat wird eine neue Zeile eingefügt. Solange nicht bezahlt wurde ist <em>isBilled=0</em>."""
+    """A message that has created costs.
+    
+    **isBilled** is False since the bill is paid.
+    """
     __tablename__ = "message"
     id = Column(Integer, Sequence('message_id_seq'), primary_key=True)
+    """primary key of the message"""
+
     recipient = Column(String(100))
+    """string representation of the recipient"""
+    
     isBilled = Column(Boolean)
+    """is bill paid?"""
+
     date = Column(DateTime)
+    """date of sending the message"""
+
     price = Column(Numeric(8,4))
+    """price of sending the message"""
+
     count = Column(Integer)
+    """Count of sended messages"""
     exID = Column(String(100))
+    """external API id """
+
     job_id = Column("job", String(40), ForeignKey('job.id'))
+    """id of the connected job"""
     job = relationship("Job", backref=backref('messages'))
+    """connected :class:`Job` object"""
+    
     offer_id = Column("offer",String(100), ForeignKey('offer.name'))
+    """sended message over this offer woth ithe offer.name"""
+
     offer = relationship("Offer", backref=backref('messages'))
+    """connected :class:`Offer` object"""
+    
+    def __init__(self, **kwargs):
+        Base.__init__(self,**kwargs)
 
 
 class Job(Base):
-    """Ein kompletter Auftrag, der an Iro zum verschicken übergeben wird. Status zeigt den generellen Status des Auftrages an (<em>init</em>, <em>started</em>, <em>sending</em>, <em>sended</em> oder <em>error</em>). <em>info</em> wird verwendet um dem Benutzer eine Möglickeit zu geben verschiede Auftragsgruppen zu erstellen."""
+    """A complete Job.
+
+    - **status** show the status of the job (``init``, ``started``, ``sending``, ``sended`` or ``error``). 
+    - **info** is used to make it possible to create diffrent billing groups for user.
+    """
     __tablename__ = "job"
     id = Column(Integer, Sequence('job_id_seq'), primary_key=True)
+    """job id"""
     info = Column(String(100))
+    """job info, for billing porpuse"""
     status = Column(Enum("init","started","sending","sended","error"))
+    """status of a job"""
     user_id = Column("user", String(100), ForeignKey('apiuser.name'))
+    """connected user id"""
+
     user = relationship("User", backref=backref('jobs'))
+    """connected :class:`User` object"""
+    
+    def __init__(self, **kwargs):
+        """
+        .. automethod:: __repr__
+        """
+        Base.__init__(self,**kwargs)
 
     @property
     def extend(self):
+        """returns the connected :class:`iro.model.job.ExJob`"""
         return job.exJobs[self.id]
 
 
     def __repr__(self):
+        """string representation of the Job class.
+
+        :return: ``<Job('id' ,'info', 'status', 'user_id')>``
+        """
         try:
-            return "<Job('%s','%s','%s','%s')>"%(self.id,self.info, self.status, self.user_id)
+            return "<Job('%s' ,'%s', '%s', '%s')>"%(self.id,self.info, self.status, self.user_id)
         except DetachedInstanceError:
             return Base.__repr__(self)
 
     @classmethod
     def get(cls, session, id):
+        """returns a job object from a given id"""
         return session.query(cls).filter_by(id=id).first()
 
 class User(Base):
-    """Die Benutzerdatenbank von Iro. <em>ng_kunde</em> ist der verknüpfte netzguerilla.net Benutzer, der die Rechnung zahlt."""
+    """One user in iro"""
     __tablename__ = "apiuser"
+    
     name = Column(String(100), primary_key=True)
+    """Username"""
+    
     ng_kunde = Column(Integer)
+    """Connection to the netzguerilla userdatabase"""
+
     apikey = Column(String(50),unique=True)
+    """apikey only [0-9a-f]"""
+    
     rights = relationship('Userright')
+    """all allowed offers to send with."""
+
     def __init__(self, name, apikey):
+        """Constructor of User class.
+
+        :param string name: username
+        :param string apikey: apikey for the user
+
+        .. automethod:: __repr__
+        """
         self.name=name
         self.apikey=apikey
 
     def __repr__(self):
+        """string representation of the user class.
+
+        :return: ``<User('name', 'apikey')>``
+        """
         try:
             return "<User('%s','%s')>"%(self.name,self.apikey)
         except DetachedInstanceError:
             return Base.__repr__(self)
     
     def routes(self, typ, default = False):
-        '''returns a query object to get all possible routes for a given typ'''
+        """returns a query object to get all possible routes for a given typ
+
+        :param string typ: the typ
+        :param boolean default: use only default routes
+        """
         filters=[User.name == self.name,
                 Offer.typ == typ, 
                 ]
@@ -135,7 +235,11 @@
         return object_session(self).query(Userright.offer_name).join(Offer,User).filter(and_(*filters)).order_by(Userright.default)
    
     def providers(self, typ, default = False):
-        '''return a query object for all possible providers for a given typ'''
+        """return a query object for all possible providers for a given typ
+
+        :param string typ: the typ
+        :param boolean default: use only default routes
+        """
         filters=[User.name == self.name,
                 Offer.typ == typ, 
                 ]
@@ -144,8 +248,14 @@
         return object_session(self).query(Offer.provider).join(Userright,User).filter(and_(*filters))
 
     def has_right(self, typ, offer_name = None, provider = None, route = None):
-        '''returns offer_name, if the user is allowed to use offer otherwise None
-           ->raise sqlalchemy.orm.exc.MultipleResultsFound if not a single offer match'''
+        """if a user has the right to use a offer, provider e. al. (arguments are and connected).
+        
+        :param string typ: the typ
+        :param string offer_name: offer name
+        :param string provider: provider name
+        :param string route: a route name
+        :return: offer_name or  None (not allwoed)
+        :raises: :class:`sqlalchemy.orm.exc.MultipleResultsFound` if not a single offer match"""
         filters=[User.name == self.name,
                 Offer.typ == typ, 
                 ]
@@ -159,6 +269,12 @@
         return object_session(self).query(Userright.offer_name).join(Offer,User).filter(and_(*filters)).scalar()
 
     def job(self, id):
+        """returns a job object.
+
+        :param integer id: id of a Job
+        :return: :class:`Job`
+        :raises: :exc:`iro.error.JobNotFound`
+        """
         job = object_session(self).query(Job).join(User).filter(and_(User.name == self.name, Job.id==id)).first()
         if job is None:
             raise JobNotFound()