本文整理汇总了Python中py2neo.Graph.addEdge方法的典型用法代码示例。如果您正苦于以下问题：Python Graph.addEdge方法的具体用法？Python Graph.addEdge怎么用？Python Graph.addEdge使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类py2neo.Graph的用法示例。
在下文中一共展示了Graph.addEdge方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: process_courses
# 需要导入模块: from py2neo import Graph [as 别名]
# 或者: from py2neo.Graph import addEdge [as 别名]
def process_courses():
# to match stuff like this ZOO 5748C COM-BSBS 5(3,2)
regex = re.compile('(\w{3}) ([0-9]{4}[A-Z]?) (.*(?:\s.*)?) (\d\(\d,\d\))\n?')
count = 0
id = 0
g = Graph()
with open('../course_list.txt', 'r') as f:
line = f.readline()
# print line
while(line is not ''):
count += 1
# print count
properties= {}
match = regex.match(line)
if match:
try:
(prefix, number, college, credits) = match.group(1,2,3,4)
properties.update({
'prefix': prefix,
'number': number,
'college': college,
'credits': credits
})
if (prefix+number) not in courseNodes:
courseNodes[prefix+number] = {
'id': id,
'node': Node("Course", name=(prefix+number)),
'name': prefix+number
}
id += 1
except ValueError:
print 'error line', line
print match.group()
raise Error
body = ''
line = f.readline()
while(not regex.match(line) and line is not ''):
count +=1
# print count
# print line
if not regex.match(line):
body += line
line = f.readline()
# split into name, prereqs, and description
res = re.split(':(?:\s)?|\.\s(?=[A-Z])', body)
if 'PR' in body:
[name, _, _prereqs] = res[0:3]
properties['body'] = res[3:]
else:
[name, body] = res[0:2]
_prereqs = 'none'
properties['body'] = body
_prereqs = _prereqs.replace('\n', ' ')
# regex match the course prefx and number
prereq_matches = re.compile('(\w{3})\s(?:\s)?([0-9]{4}[A-Z]?)').findall(_prereqs)
prereqs = map(lambda t: ''.join(list(t)), prereq_matches)
properties['prereqs'] = prereqs
properties['name'] = name.replace('\n', ' ')
properties['id'] = prefix+number
courseNodes[prefix+number]['name'] = properties['name']
course = Course(properties)
courses.append(course)
g.addNode(course)
for prq in prereqs:
g.addEdge([course.id, prq])
if college == "COS-MATH":
courseNodes[prefix+number]['group'] = 16
math_courses.append(Course(properties))
if "ECS" in college:
courseNodes[prefix+number]['group'] = 2
else:
line = f.readline()
return g