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lint_check.py
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lint_check.py
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from __future__ import print_function
import subprocess
import xml.dom
import xml.dom.minidom
import re
import os
import os.path
from optparse import OptionParser
from collections import namedtuple
from . import monitor
from . import webserver
import json
try:
import urlparse
except ImportError:
from urllib import parse as urlparse
import threading
ReportMessageLine = namedtuple('ReportMessageLine', 'filename lineno state message_id method_id message_string')
ReportOnAFile = namedtuple('ReportOnAFile', 'filename state_to_number_of_messages')
class PylintReport(object):
def __init__(self, messages):
self.messages = messages
def filenames(self):
result = set([])
for message in self.messages:
result.add(message.filename)
return sorted(result)
def filereports(self):
filename_to_report = {}
for message in self.messages:
report = filename_to_report.setdefault(
message.filename,
ReportOnAFile(
message.filename,
self.new_state_to_number_of_messages_dict()
)
)
report.state_to_number_of_messages[message.state] += 1
return sorted(filename_to_report.values(), key=lambda x : x.filename)
def get_messages_of_file(self, filename):
result = []
for message in self.messages:
if message.filename == filename:
result.append(message)
return result
def to_dict(self):
result = {}
result['filereports'] = [x._asdict() for x in self.filereports()]
return result
def new_state_to_number_of_messages_dict(self):
return {'C':0, 'W':0, 'F':0, 'R':0, 'E':0}
class InterfaceToPyLint(object):
NAME_OF_THE_COMMAND = 'pylint'
def is_available(self):
process = subprocess.Popen(
['which', self.NAME_OF_THE_COMMAND],
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
)
process.communicate()
return process.returncode == 0
def run_onfile(self, path, extra_python_paths):
environment = self.get_environment_with_pythonpath(extra_python_paths)
process = subprocess.Popen(
[self.NAME_OF_THE_COMMAND, '-f', 'parseable', '-i', 'y', path],
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
env = environment
)
stdout_string, stderr_string = process.communicate()
return self.parse_report(stdout_string)
def parse_report(self, string):
messages = []
lines = string.splitlines()
regexp = re.compile("(.+?)\:(\d+)\: \[(.)(\d\d\d\d)(?:, (.+?))?\] (.*)")
number_of_statements_re = re.compile("(\d+) statements analysed.")
for line in lines:
match = regexp.match(line)
if not match is None:
messages.append(ReportMessageLine(*match.groups()))
match = number_of_statements_re.match(line)
if not match is None:
print(match.groups())
print(match.group(1))
number_of_statements = int(match.group(1))
return PylintReport(messages)
def get_environment_with_pythonpath(self, extra_python_paths):
environment = os.environ.copy()
new_pythonpath = ':'.join(extra_python_paths)
if 'PYTHONPATH' in environment:
new_pythonpath = environment['PYTHONPATH'] + ':' + new_pythonpath
environment['PYTHONPATH'] = new_pythonpath
return environment
CSS_STRING = """
.numbers {background-color: #eee;}
.lines {background-color: #ffffe0 ;}
.state {background-color: #eee; width: 1.5em; text-align: center;}
.state a {padding-left: 0.5em; padding-right: 0.5em; text-decoration: none;}
.set-C {background-color: lightblue;}
.unset-C {}
.set-R {background-color: #666;}
.unset-R {}
.set-W {background-color: yellow;}
.unset-W {}
.set-E {background-color: red;}
.unset-E {}
.set-F {background-color: orange;}
.unset-F {}
.state a:visited, a {
color: black;
}
.state a:hover {
color: #CD5C5C;
}
"""
class MakeHTMLDomFromFile(object):
def __init__(self, path, messages):
self.path = path
self.filecontents = self.get_filecontents()
self.messages = messages
self.number_of_lines_in_the_file = self.get_number_of_lines_in_the_file()
def get_filecontents(self):
with open(self.path, "r") as file:
return file.read()
def get_number_of_lines_in_the_file(self):
lines = self.filecontents.splitlines()
return len(lines)
def start(self):
self.document = self.new_document()
self.head = self.document.createElement("head")
script = self.document.createElement("script")
script.setAttribute("type","text/javascript")
script.setAttribute("src", "http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.js")
self.head.appendChild(script)
self.document.documentElement.appendChild(self.head)
self.body = self.document.createElement("body")
self.document.documentElement.appendChild(self.body)
table = self.new_table(1,7)
tr = table.firstChild
td1 = tr.firstChild
td2 = tr.lastChild
td1.setAttribute("class", "numbers")
td2.setAttribute("class", "lines")
for i in range(1,6):
tr.childNodes[i].setAttribute("class", "state")
state_characters = ('C', 'R', 'W', 'E', 'F')
for i, state_character in enumerate(state_characters):
self.add_state_line(state_character, tr.childNodes[i+1])
counts = [str(x+1) for x in range(self.number_of_lines_in_the_file)]
pre = self.document.createElement("pre")
pre.appendChild(self.document.createTextNode('\n'.join(counts)))
td1.appendChild(pre)
pre = self.document.createElement("pre")
file_data = self.document.createCDATASection(self.filecontents)
pre.appendChild(file_data)
self.document.documentElement.setAttribute("xmlns",xml.dom.XHTML_NAMESPACE)
td2.appendChild(pre)
self.body.appendChild(table)
self.add_stylesheet()
self.result = self.document.toxml()
self.document.unlink()
def add_state_line(self, state_character, td):
line_number_to_messages = {}
for message in self.messages:
if message[2] == state_character:
line_number = int(message[1])
message_strings = line_number_to_messages.setdefault(line_number, [])
message_strings.append(message[5])
line_number_to_messages[line_number] = message_strings
pre = self.document.createElement("pre")
for line_number in range(1, self.number_of_lines_in_the_file+1):
span = self.document.createElement("a")
span.appendChild(self.document.createTextNode(state_character))
pre.appendChild(span)
pre.appendChild(self.document.createTextNode('\n'))
filename = os.path.join(os.getcwd(), self.path)
span.setAttribute("href","#");
span.setAttribute("onclick","javascript:$.getJSON('/open_file', {'path':'"+filename+"', 'lineno':"+str(line_number)+"}, function handle_result(data){}); false");
if line_number in line_number_to_messages:
span.setAttribute("class", "set-"+state_character)
span.setAttribute("title", str(line_number_to_messages[line_number]))
else:
span.setAttribute("class", "unset-"+state_character)
td.appendChild(pre)
def new_table(self, number_of_rows, number_of_columns):
table = self.document.createElement("table")
for row in range(number_of_rows):
tr = self.document.createElement("tr")
table.appendChild(tr)
for column in range(number_of_columns):
td = self.document.createElement("td")
tr.appendChild(td)
return table
def new_document(self):
implementation = xml.dom.minidom.getDOMImplementation()
return implementation.createDocument(xml.dom.XHTML_NAMESPACE, "xhtml", None)
def add_stylesheet(self):
self.style = self.document.createElement("style")
self.style.setAttribute("type", "text/css")
self.head.appendChild(self.style)
stylesheet_string = CSS_STRING
stylesheet_cdata = self.document.createCDATASection(stylesheet_string)
self.style.appendChild(stylesheet_cdata)
class HandleRequest(webserver.HandleRequest):
def index_file(self):
base = os.path.split(__file__)[0]
filename = os.path.join(base, "lint_check.html")
with open(filename, "r") as file:
contents = file.read()
return contents, 'text/html'
def do_start(self):
self.server.start_lint()
return 'null', 'text/javascript'
def do_show_file(self):
parameters = urlparse.parse_qs(self.parsed_path.query)
filename = parameters['path'][0]
messages = self.server.last_report.get_messages_of_file(filename)
x = MakeHTMLDomFromFile(filename, messages)
x.start()
return x.result, 'application/xhtml+xml'
def do_get_last_report(self):
string = json.dumps(self.server.get_last_report_as_dict())
content_type = 'text/javascript'
return string, content_type
class LintWebServer(webserver.WebServer):
def __init__(self, port):
webserver.WebServer.__init__(self, port, HandleRequest)
self.run_lint()
def start_lint(self):
thread = threading.Thread(target=self.run_lint)
thread.start()
def run_lint(self):
print("running lint")
self.set_last_report(InterfaceToPyLint().run_onfile(
'src/amuse',
[os.path.join(os.getcwd(), 'src/amuse/support')]))
print("done...")
def get_last_report_as_dict(self):
return self.last_report.to_dict()
def set_last_report(self, report):
self.last_report = report
self.events_queue.put('done')
def Run():
#monitor_directories = monitor.MonitorDirectories(['src', 'support', 'test'])
#monitor_directories.check()
#monitor_directories.walk(lambda x : a.append(x))
pylint = InterfaceToPyLint()
if not pylint.is_available():
print("Error, pylint is not available.")
print("please install pylint first, this can be done with 'easy_install pylint'")
sys.exit(1)
parser = OptionParser()
parser.add_option("-p", "--port",
dest="serverport",
help="start serving on PORT",
metavar="PORT",
default=9071,
type="int")
parser.add_option("-e", "--editor",
dest="editor",
help="preferred EDITOR for editing the files",
metavar="EDITOR",
default="geany",
type="string")
(options, args) = parser.parse_args()
print("starting server on port: ", options.serverport)
webserver.EDITOR = options.editor
server = LintWebServer(options.serverport)
server.start()
if __name__ == '__main__':
Run()
#print(InterfaceToPyLint().run_onfile('src/amuse/support/data', [os.path.join(os.getcwd(), 'src')]).to_dict())