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jparyani
2013-07-06 23:57:47 -07:00
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@@ -25,63 +25,62 @@ You also need a working version of the latest [Cython](http://cython.org/) insta
At the moment, there is no documenation, but the library is almost a 1:1 clone of the [Capnproto C++ Library](http://kentonv.github.io/capnproto/cxx.html) At the moment, there is no documenation, but the library is almost a 1:1 clone of the [Capnproto C++ Library](http://kentonv.github.io/capnproto/cxx.html)
The examples has one example that shows off the capabilities quite nicely. Here it is, reproduced: The examples has one example that shows off the capabilities quite nicely. Here it is, reproduced:
```python
import capnp
addressbook = capnp.load('addressbook.capnp')
import os def writeAddressBook(fd):
import capnp message = capnp.MallocMessageBuilder()
this_dir = os.path.dirname(__file__) addressBook = message.initRoot(addressbook.AddressBook)
addressbook = capnp.load(os.path.join(this_dir, 'addressbook.capnp')) people = addressBook.initPeople(2)
def writeAddressBook(fd): alice = people[0]
message = capnp.MallocMessageBuilder() alice.id = 123
addressBook = message.initRoot(addressbook.AddressBook) alice.name = 'Alice'
people = addressBook.initPeople(2) alice.email = 'alice@example.com'
alicePhones = alice.initPhones(1)
alicePhones[0].number = "555-1212"
alicePhones[0].type = 'mobile'
alice.employment.school = "MIT"
alice = people[0] bob = people[1]
alice.id = 123 bob.id = 456
alice.name = 'Alice' bob.name = 'Bob'
alice.email = 'alice@example.com' bob.email = 'bob@example.com'
alicePhones = alice.initPhones(1) bobPhones = bob.initPhones(2)
alicePhones[0].number = "555-1212" bobPhones[0].number = "555-4567"
alicePhones[0].type = 'mobile' bobPhones[0].type = 'home'
alice.employment.school = "MIT" bobPhones[1].number = "555-7654"
bobPhones[1].type = addressbook.Person.PhoneNumber.Type.WORK
bob.employment.unemployed = None # This is definitely bad, syntax will change at some point
bob = people[1] capnp.writePackedMessageToFd(fd, message)
bob.id = 456
bob.name = 'Bob'
bob.email = 'bob@example.com'
bobPhones = bob.initPhones(2)
bobPhones[0].number = "555-4567"
bobPhones[0].type = 'home'
bobPhones[1].number = "555-7654"
bobPhones[1].type = addressbook.Person.PhoneNumber.Type.WORK
bob.employment.unemployed = None # This is definitely bad, syntax will change at some point
capnp.writePackedMessageToFd(fd, message) f = open('example', 'w')
writeAddressBook(f.fileno())
f = open('example', 'w') def printAddressBook(fd):
writeAddressBook(f.fileno()) message = capnp.PackedFdMessageReader(f.fileno())
addressBook = message.getRoot(addressbook.AddressBook)
def printAddressBook(fd): for person in addressBook.people:
message = capnp.PackedFdMessageReader(f.fileno()) print person.name, ':', person.email
addressBook = message.getRoot(addressbook.AddressBook) for phone in person.phones:
print phone.type, ':', phone.number
for person in addressBook.people: which = person.employment.which()
print person.name, ':', person.email print which
for phone in person.phones:
print phone.type, ':', phone.number
which = person.employment.which() if which == addressbook.Person.Employment.Which.UNEMPLOYED:
print which print 'unemployed'
elif which == addressbook.Person.Employment.Which.EMPLOYER:
print 'employer:', person.employment.employer
elif which == addressbook.Person.Employment.Which.SCHOOL:
print 'student at:', person.employment.school
elif which == addressbook.Person.Employment.Which.SELF_EMPLOYED:
print 'unemployed'
print
if which == addressbook.Person.Employment.Which.UNEMPLOYED: f = open('example', 'r')
print 'unemployed' printAddressBook(f.fileno())
elif which == addressbook.Person.Employment.Which.EMPLOYER: ```
print 'employer:', person.employment.employer
elif which == addressbook.Person.Employment.Which.SCHOOL:
print 'student at:', person.employment.school
elif which == addressbook.Person.Employment.Which.SELF_EMPLOYED:
print 'unemployed'
print
f = open('example', 'r')
printAddressBook(f.fileno())