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-rw-r--r--sca-cpp/trunk/INSTALL12
-rw-r--r--sca-cpp/trunk/README2
-rw-r--r--sca-cpp/trunk/samples/loan-python/Makefile.am28
-rw-r--r--sca-cpp/trunk/samples/loan-python/htdocs/index.html160
-rw-r--r--sca-cpp/trunk/samples/loan-python/loan-approval.py77
-rw-r--r--sca-cpp/trunk/samples/loan-python/loan.composite45
-rw-r--r--sca-cpp/trunk/samples/loan-python/loan.py45
-rwxr-xr-xsca-cpp/trunk/samples/loan-python/server-test58
-rwxr-xr-xsca-cpp/trunk/samples/loan-python/start32
-rwxr-xr-xsca-cpp/trunk/samples/loan-python/stop21
-rw-r--r--sca-cpp/trunk/samples/loan-python/util.py145
11 files changed, 11 insertions, 614 deletions
diff --git a/sca-cpp/trunk/INSTALL b/sca-cpp/trunk/INSTALL
index 93f2b47c79..97cc13e156 100644
--- a/sca-cpp/trunk/INSTALL
+++ b/sca-cpp/trunk/INSTALL
@@ -89,8 +89,8 @@ XML:
libxml2-2.7.7 (http://xmlsoft.org/)
CURL:
-curl-7-19-5
-libcurl4-openssl-7.19.5
+curl-7-24.0
+libcurl4-openssl-7.24.0
JSON:
Mozilla SpiderMonkey libmozjs 1.8.5 and
@@ -168,6 +168,12 @@ To enable debugging and strict warning compile options, add:
To enable gprof profiling, add:
--enable-profiling
+To enable memory usage debugging using Electric Fence add:
+--enable-efence
+
+To enable memory usage debugging using mmap add:
+--enable-malloc-mmap
+
To enable multi-threading (required by the Queue and Chat components and
for running with the HTTPD worker or event multi-threaded MPMs):
--enable-threads
@@ -225,7 +231,7 @@ dependencies installed under $build:
--with-apr=$build/apr-1.4.x-bin --with-httpd=$build/httpd-2.3.15-bin \
--with-memcached=$build/memcached-1.4.7-bin \
--with-tinycdb=$build/tinycdb-0.77-bin \
---with-curl=$build/curl-7.19.5-bin --with-libxml2=/usr \
+--with-curl=$build/curl-7.24.0-bin --with-libxml2=/usr \
--with-js-include=$build/js-1.8.5-bin/include \
--with-js-lib=$build/js-1.8.5-bin/lib \
--enable-libcloud \
diff --git a/sca-cpp/trunk/README b/sca-cpp/trunk/README
index 92dfde8154..ce13557a1e 100644
--- a/sca-cpp/trunk/README
+++ b/sca-cpp/trunk/README
@@ -17,6 +17,7 @@ Chat: XMPP chat, using Apache Vysper and Libstrophe;
Constdb: fast persistent store for mostly constant data, using TinyCDB;
Filedb: key/value persistent store, using plain files;
Http: HTTP client, using Libcurl;
+Smtp: SMTP client, using Libcurl;
Kvdb: fast key/value persistent store, using LevelDB;
Log: distributed logger, using Facebook Scribe;
Queue: AMQP queuing, using Apache Qpid/C;
@@ -82,6 +83,7 @@ Here's a rough guide to the Tuscany SCA source tree:
| | |-- kvdb LevelDB key/value persistent store
| | |-- log Scribe logger
| | |-- queue AMQP message queue
+ | | |-- smtp SMTP client
| | |-- sqldb PostgreSQL database
| | |-- webservice Axis2 Web service gateway
| |
diff --git a/sca-cpp/trunk/samples/loan-python/Makefile.am b/sca-cpp/trunk/samples/loan-python/Makefile.am
deleted file mode 100644
index 0d0027ce6b..0000000000
--- a/sca-cpp/trunk/samples/loan-python/Makefile.am
+++ /dev/null
@@ -1,28 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-if WANT_PYTHON
-
-dist_sample_SCRIPTS = start stop
-sampledir = $(prefix)/samples/loan-python
-
-nobase_dist_sample_DATA = loan.py loan-approval.py util.py loan.composite htdocs/*.html
-
-dist_noinst_SCRIPTS = server-test
-TESTS = server-test
-
-endif
diff --git a/sca-cpp/trunk/samples/loan-python/htdocs/index.html b/sca-cpp/trunk/samples/loan-python/htdocs/index.html
deleted file mode 100644
index 3f607f78f4..0000000000
--- a/sca-cpp/trunk/samples/loan-python/htdocs/index.html
+++ /dev/null
@@ -1,160 +0,0 @@
-<!--
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
--->
-<html>
-<head>
-<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0"/>
-<meta name="apple-mobile-web-app-capable" content="yes"/>
-<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"/>
-<link rel="stylesheet" type="text/css" href="/ui.css"/>
-<title>Store</title>
-
-<script type="text/javascript" src="/component.js"></script>
-
-<script type="text/javascript">
-var component = new tuscany.sca.Component("Store");
-
-//@Reference
-var catalog = new tuscany.sca.Reference("catalog");
-
-//@Reference
-var shoppingCart = new tuscany.sca.Reference("shoppingCart");
-
-//@Reference
-var shoppingTotal = new tuscany.sca.Reference("shoppingTotal");
-
-var catalogItems;
-
-function catalog_itemsResponse(items, exception) {
- if (exception){
- alert(exception.message);
- return;
- }
- var catalog = "";
- for (var i=0; i<items.length; i++) {
- var item = items[i].name + ' - ' + items[i].price;
- catalog += '<input name="items" type="checkbox" value="' +
- item + '">' + item + ' <br>';
- }
- document.getElementById('catalog').innerHTML=catalog;
- catalogItems = items;
-
-}
-
-function shoppingCart_getResponse(feed) {
- if (feed != null) {
- var entries = feed.getElementsByTagName("entry");
- var list = "";
- for (var i=0; i<entries.length; i++) {
- var content = entries[i].getElementsByTagName("content")[0];
- var name = content.getElementsByTagName("name")[0].firstChild.nodeValue;
- var price = content.getElementsByTagName("price")[0].firstChild.nodeValue;
- list += name + ' - ' + price + ' <br>';
- }
- document.getElementById("shoppingCart").innerHTML = list;
-
- shoppingTotal.apply("total", shoppingTotal_totalResponse);
- }
-}
-
-function shoppingTotal_totalResponse(total, exception) {
- if (exception) {
- alert(exception.message);
- return;
- }
- document.getElementById('total').innerHTML = total;
-}
-
-function shoppingCart_postResponse(entry) {
- shoppingCart.get("", shoppingCart_getResponse);
-}
-
-function addToCart() {
- var items = document.catalogForm.items;
- var j = 0;
- for (var i=0; i<items.length; i++)
- if (items[i].checked) {
- var entry = '<entry xmlns="http://www.w3.org/2005/Atom"><title type="text">Item</title><content type="application/xml">' +
- '<item>' +
- '<name>' + catalogItems[i].name + '</name>' +
- '<currencyCode>' + catalogItems[i].currencyCode + '</currencyCode>' +
- '<currencySymbol>' + catalogItems[i].currencySymbol + '</currencySymbol>' +
- '<price>' + catalogItems[i].price + '</price>' +
- '</item>' +
- '</content></entry>';
- shoppingCart.post(entry, shoppingCart_postResponse);
- items[i].checked = false;
- }
-}
-function checkoutCart() {
- document.getElementById('store').innerHTML='<h2>' +
- 'Thanks for Shopping With Us!</h2>'+
- '<h2>Your Order</h2>'+
- '<form name="orderForm">'+
- document.getElementById('shoppingCart').innerHTML+
- '<br>'+
- document.getElementById('total').innerHTML+
- '<br>'+
- '<br>'+
- '<input type="submit" value="Continue Shopping">'+
- '</form>';
- shoppingCart.del("", null);
-}
-function deleteCart() {
- shoppingCart.del("", null);
- document.getElementById('shoppingCart').innerHTML = "";
- document.getElementById('total').innerHTML = "";
-}
-
-function init() {
- try {
- catalog.apply("items", catalog_itemsResponse);
- shoppingCart.get("", shoppingCart_getResponse);
- } catch(e){
- alert(e);
- }
-}
-</script>
-</head>
-
-<body onload="init()">
-<h1>Store</h1>
-<br/>
-<div id="store">
-<h2>Catalog</h2>
-<form name="catalogForm">
-<div id="catalog" ></div>
-<br>
-<input type="button" onClick="addToCart()" value="Add to Cart">
-</form>
-<br>
-
-<h2>Your Shopping Cart</h2>
-<form name="shoppingCartForm">
-<div id="shoppingCart"></div>
-<br>
-<div id="total"></div>
-<br>
-<input type="button" onClick="checkoutCart()" value="Checkout">
-<input type="button" onClick="deleteCart()" value="Empty">
-<a href="shoppingCart/">(feed)</a>
-</form>
-</div>
-
-</body>
-</html>
diff --git a/sca-cpp/trunk/samples/loan-python/loan-approval.py b/sca-cpp/trunk/samples/loan-python/loan-approval.py
deleted file mode 100644
index 3951f16eeb..0000000000
--- a/sca-cpp/trunk/samples/loan-python/loan-approval.py
+++ /dev/null
@@ -1,77 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-# Loan approval service implementation
-import uuid
-import sys
-from util import *
-from loan import *
-
-loansId = ("loans", "1234")
-
-# Return the list of loans
-def loans(cache):
- l = cache("get", loansId)
- if l is None:
- return ()
- return l
-
-# Post a new loan request
-def post(collection, item, cache):
- id = str(uuid.uuid1())
- loans = cons(cons(id, cdr(item)), loans(cache))
- cache("put", loansId, loans)
- return (id,)
-
-# Return the person currently processing a loan request
-def processor(l):
- if approver(l) is not None:
- return approver(l)
- return assessor(l)
-
-# Return a list of loans that match a given criteria
-def get(r, cache):
- # All the loans
- if r == ():
- return loans(cache)
- # Loans that need approval
- if car(r) == "needApproval":
- return filter(lambda l: (amount(l) >= 10000 or risk(l) == "high") and approval(l) is None, loans(cache))
- # Loans that need a risk assessment
- if car(r) == "needAssessment":
- return filter(lambda : amount(l) < 10000 and risk(l) is None, loans(cache))
- # Loans currently under approval
- if car(r) == "underApproval":
- return filter(lambda l: approver(l) is not None, loans(cache))
- # Loans currently under assessment
- if car(r) == "underAssessment":
- return filter(lambda l: assessor(l) is not None, loans(cache))
- # Loan requests that are unassigned
- if car(r) == "unassigned":
- return filter(lambda l: processor(l) is None, loans(cache))
- # Loan requests that are assigned and getting processed
- if car(r) == "assigned":
- return filter(lambda l: processor(l) == cadr(r), loans(cache))
- # Approved loans
- if car(r) == "approved":
- return filter(lambda l: approval(l) == true, loans(cache))
- # Denied loans
- if car(r) == "denied":
- return filter(lambda l: approval(l) == false, loans(cache))
- # A particular loan
- return filter(lambda l: id(l) == r, loans(cache))
-
diff --git a/sca-cpp/trunk/samples/loan-python/loan.composite b/sca-cpp/trunk/samples/loan-python/loan.composite
deleted file mode 100644
index 9052737cf0..0000000000
--- a/sca-cpp/trunk/samples/loan-python/loan.composite
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
--->
-<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
- targetNamespace="http://store"
- name="store">
-
- <component name="LoanApprovalUI">
- <implementation.widget/>
- <reference name="loanApproval" target="LoanApproval"/>
- </component>
-
- <component name="LoanApproval">
- <implementation.python script="loan-approval.py"/>
- <service name="LoanApproval">
- <binding.atom uri="loan-approval"/>
- </service>
- <reference name="cache" target="Cache"/>
- </component>
-
- <component name="Cache">
- <implementation.cpp path="../../components/cache" library="libmemcache"/>
- <service name="Cache">
- <binding.atom uri="cache"/>
- </service>
- <property name="servers">localhost:11211</property>
- </component>
-
-</composite>
diff --git a/sca-cpp/trunk/samples/loan-python/loan.py b/sca-cpp/trunk/samples/loan-python/loan.py
deleted file mode 100644
index 9e345cd1f6..0000000000
--- a/sca-cpp/trunk/samples/loan-python/loan.py
+++ /dev/null
@@ -1,45 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-from util import *
-
-# Loan data type
-
-def firstName(loan):
- return assoc("'firstName", loan)
-
-def lastName(loan):
- return assoc("'lastName", loan)
-
-def ssn(loan):
- return assoc("'ssn", loan)
-
-def amount(loan):
- return assoc("'amount", loan)
-
-def approver(loan):
- return assoc("'approver", loan)
-
-def approval(loan):
- return assoc("'approval", loan)
-
-def assessor(loan):
- return assoc("'assessor", loan)
-
-def risk(loan):
- return assoc("'risk", loan)
-
diff --git a/sca-cpp/trunk/samples/loan-python/server-test b/sca-cpp/trunk/samples/loan-python/server-test
deleted file mode 100755
index fb629a6814..0000000000
--- a/sca-cpp/trunk/samples/loan-python/server-test
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/sh
-
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-echo "Testing..."
-here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
-curl_prefix=`cat $here/../../modules/http/curl.prefix`
-
-# Setup
-./start
-sleep 2
-
-# Test HTTP GET
-$curl_prefix/bin/curl http://localhost:8090/ 2>/dev/null >tmp/index.html
-diff tmp/index.html htdocs/index.html
-rc=$?
-
-# Test Catalog
-if [ "$rc" = "0" ]; then
- $curl_prefix/bin/curl http://localhost:8090/references/Store/catalog -X POST -H "Content-type: application/json-rpc" --data @../store-cpp/htdocs/test/items-request.txt >tmp/items-result.txt 2>/dev/null
- diff tmp/items-result.txt ../store-cpp/htdocs/test/items-result.txt
- rc=$?
-fi
-
-# Test Shopping Cart
-if [ "$rc" = "0" ]; then
- $curl_prefix/bin/curl http://localhost:8090/references/Store/shoppingCart -X POST -H "Content-type: application/atom+xml" --data @../store-cpp/htdocs/test/shopping-cart-entry.xml 2>/dev/null
- rc=$?
-fi
-if [ "$rc" = "0" ]; then
- $curl_prefix/bin/curl http://localhost:8090/references/Store/shoppingCart >tmp/shopping-cart-feed.xml 2>/dev/null
- grep "3.55" tmp/shopping-cart-feed.xml >/dev/null
- rc=$?
-fi
-
-# Cleanup
-./stop
-sleep 2
-
-if [ "$rc" = "0" ]; then
- echo "OK"
-fi
-exit $rc
diff --git a/sca-cpp/trunk/samples/loan-python/start b/sca-cpp/trunk/samples/loan-python/start
deleted file mode 100755
index d334ebc58f..0000000000
--- a/sca-cpp/trunk/samples/loan-python/start
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/sh
-
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-../../modules/http/httpd-conf tmp localhost 8090 htdocs
-../../modules/http/httpd-event-conf tmp
-../../modules/server/server-conf tmp
-../../modules/python/python-conf tmp
-cat >>tmp/conf/httpd.conf <<EOF
-# Configure SCA Composite
-SCAContribution `pwd`/
-SCAComposite loan.composite
-
-EOF
-
-../../components/cache/memcached-start tmp
-../../modules/http/httpd-start tmp
diff --git a/sca-cpp/trunk/samples/loan-python/stop b/sca-cpp/trunk/samples/loan-python/stop
deleted file mode 100755
index 3b4c74a587..0000000000
--- a/sca-cpp/trunk/samples/loan-python/stop
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-../../modules/http/httpd-stop tmp
-../../components/cache/memcached-stop tmp
diff --git a/sca-cpp/trunk/samples/loan-python/util.py b/sca-cpp/trunk/samples/loan-python/util.py
deleted file mode 100644
index 560101e32d..0000000000
--- a/sca-cpp/trunk/samples/loan-python/util.py
+++ /dev/null
@@ -1,145 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-# Simple utility functions
-from sys import maxint
-
-# Scheme-like lists
-def cons(a, b):
- return (a,) + b
-
-def car(l):
- return l[0]
-
-def first(l):
- return car(l)
-
-def cdr(l):
- return l[1:]
-
-def rest(l):
- return cdr(l)
-
-def cadr(l):
- return car(cdr(l))
-
-def cddr(l):
- return cdr(cdr(l))
-
-def caddr(l):
- return car(cddr(l))
-
-def append(a, b):
- return a + b
-
-def reverse(l):
- r = list(l)
- r.reverse()
- return tuple(r)
-
-def isNil(l):
- if isinstance(l, streampair):
- return l.isNil()
- return l == ()
-
-def isSymbol(v):
- return isinstance(v, basestring) and v[0:1] == "'"
-
-def isList(v):
- if getattr(v, '__iter__', False) == False:
- return False
- if isinstance(v, basestring) or isinstance(v, dict):
- return False
- return True
-
-def isTaggedList(v, t):
- return isList(v) and not isNil(v) and car(v) == t
-
-
-# Scheme-like streams
-class streampair(object):
- def __init__(self, car, cdr):
- self.car = car
- self.cdr = cdr
-
- def __repr__(self):
- return repr(self[0:len(self)])
-
- def isNil(self):
- return self.cdr == ()
-
- def __len__(self):
- if self.cdr == ():
- return 0
- return 1 + len(self.cdr())
-
- def __getitem__(self, i):
- if i == 0:
- return self.car
- return self.cdr()[i - 1]
-
- def __getslice__(self, i, j):
- if isNil(self):
- return ()
- if i > 0:
- if j == maxint:
- return self.cdr()[i - 1: j]
- return self.cdr()[i - 1: j - 1]
- if j == maxint:
- return self
- if j == 0:
- return (self.car,)
- return (self.car,) + self.cdr()[: j - 1]
-
- def __eq__(self, other):
- sl = len(self)
- ol = len(other)
- if sl != ol:
- return False
- return self[0: sl] == other[0: ol]
-
- def __ne__(self, other):
- return not self.__eq__(other)
-
-def cons_stream(car, cdr):
- return streampair(car, cdr)
-
-
-# Scheme-like associations
-def assoc(k, l):
- if l == ():
- return None
-
- if k == car(car(l)):
- return car(l)
- return assoc(k, cdr(l))
-
-# Currying / partial function application
-def curry(f, *args):
- return lambda *a: f(*(args + a))
-
-# Split a path into a list of segments
-def tokens(path):
- return tuple(filter(lambda s: len(s) != 0, path.split("/")))
-
-# Write a list of strings to a stream
-def writeStrings(l, os):
- if l == ():
- return os
- os.write(car(l))
- return writeStrings(cdr(l), os)
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 09:11:56 +0000