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# This file is part of Buildbot.  Buildbot is free software: you can 

# redistribute it and/or modify it under the terms of the GNU General Public 

# License as published by the Free Software Foundation, version 2. 

# 

# This program is distributed in the hope that it will be useful, but WITHOUT 

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 

# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 

# details. 

# 

# You should have received a copy of the GNU General Public License along with 

# this program; if not, write to the Free Software Foundation, Inc., 51 

# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 

# 

# Copyright Buildbot Team Members 

 

from twisted.internet import defer 

from buildbot.status.web.base import HtmlResource 

from buildbot.status.web.base import build_get_class, path_to_builder, path_to_build 

from buildbot.sourcestamp import SourceStamp 

 

class ANYBRANCH: pass # a flag value, used below 

 

class GridStatusMixin(object): 

    def getPageTitle(self, request): 

        status = self.getStatus(request) 

        p = status.getTitle() 

        if p: 

            return "BuildBot: %s" % p 

        else: 

            return "BuildBot" 

 

    # handle reloads through an http header 

    # TODO: send this as a real header, rather than a tag 

    def get_reload_time(self, request): 

        if "reload" in request.args: 

            try: 

                reload_time = int(request.args["reload"][0]) 

                return max(reload_time, 15) 

            except ValueError: 

                pass 

        return None 

 

    def build_cxt(self, request, build): 

        if not build: 

            return {} 

 

        if build.isFinished(): 

            # get the text and annotate the first line with a link 

            text = build.getText() 

            if not text: text = [ "(no information)" ] 

            if text == [ "build", "successful" ]: text = [ "OK" ] 

        else: 

            text = [ 'building' ] 

 

        name = build.getBuilder().getName() 

 

        cxt = {} 

        cxt['name'] = name 

        cxt['url'] = path_to_build(request, build) 

        cxt['text'] = text 

        cxt['class'] = build_get_class(build) 

        return cxt 

 

    @defer.inlineCallbacks 

    def builder_cxt(self, request, builder): 

        state, builds = builder.getState() 

 

        # look for upcoming builds. We say the state is "waiting" if the 

        # builder is otherwise idle and there is a scheduler which tells us a 

        # build will be performed some time in the near future. TODO: this 

        # functionality used to be in BuilderStatus.. maybe this code should 

        # be merged back into it. 

        upcoming = [] 

        builderName = builder.getName() 

        for s in self.getStatus(request).getSchedulers(): 

            if builderName in s.listBuilderNames(): 

                upcoming.extend(s.getPendingBuildTimes()) 

        if state == "idle" and upcoming: 

            state = "waiting" 

 

        n_pending = len((yield builder.getPendingBuildRequestStatuses())) 

 

        cxt = { 'url': path_to_builder(request, builder), 

                'name': builder.getName(), 

                'state': state, 

                'n_pending': n_pending } 

 

        defer.returnValue(cxt) 

 

    def getSourceStampKey(self, ss): 

        """Given two source stamps, we want to assign them to the same row if 

        they are the same version of code, even if they differ in minor detail. 

 

        This function returns an appropriate comparison key for that. 

        """ 

        return (ss.branch, ss.revision, ss.patch) 

 

    def getRecentBuilds(self, builder, numBuilds, branch): 

        """ 

        get a list of most recent builds on given builder 

        """ 

        build = builder.getBuild(-1) 

        num = 0 

        while build and num < numBuilds: 

            start = build.getTimes()[0] 

            #TODO: support multiple sourcestamps 

            ss = build.getSourceStamps(absolute=True)[0] 

 

            okay_build = True 

 

            # skip un-started builds 

            if not start: 

                okay_build = False 

 

            # skip non-matching branches 

            if branch != ANYBRANCH and ss.branch != branch: 

                okay_build = False 

 

            if okay_build: 

                num += 1 

                yield build 

 

            build = build.getPreviousBuild() 

        return 

 

    def getRecentSourcestamps(self, status, numBuilds, categories, branch): 

        """ 

        get a list of the most recent NUMBUILDS SourceStamp tuples, sorted 

        by the earliest start we've seen for them 

        """ 

        # TODO: use baseweb's getLastNBuilds? 

        sourcestamps = { } # { ss-tuple : earliest time } 

        for bn in status.getBuilderNames(): 

            builder = status.getBuilder(bn) 

            if categories and builder.category not in categories: 

                continue 

            for build in self.getRecentBuilds(builder, numBuilds, branch): 

                #TODO: support multiple sourcestamps 

                ss = build.getSourceStamps(absolute=True)[0] 

                key= self.getSourceStampKey(ss) 

                start = build.getTimes()[0] 

                if key not in sourcestamps or sourcestamps[key][1] > start: 

                    sourcestamps[key] = (ss, start) 

 

        # now sort those and take the NUMBUILDS most recent 

        sourcestamps = sourcestamps.values() 

        sourcestamps.sort(lambda x, y: cmp(x[1], y[1])) 

        sourcestamps = map(lambda tup : tup[0], sourcestamps) 

        sourcestamps = sourcestamps[-numBuilds:] 

 

        return sourcestamps 

 

class GridStatusResource(HtmlResource, GridStatusMixin): 

    # TODO: docs 

    status = None 

    changemaster = None 

 

    @defer.inlineCallbacks 

    def content(self, request, cxt): 

        """This method builds the regular grid display. 

        That is, build stamps across the top, build hosts down the left side 

        """ 

 

        # get url parameters 

        numBuilds = int(request.args.get("width", [5])[0]) 

        categories = request.args.get("category", []) 

        branch = request.args.get("branch", [ANYBRANCH])[0] 

        if branch == 'trunk': branch = None 

 

        # and the data we want to render 

        status = self.getStatus(request) 

        stamps = self.getRecentSourcestamps(status, numBuilds, categories, branch) 

 

        cxt['refresh'] = self.get_reload_time(request) 

 

        cxt.update({'categories': categories, 

                    'branch': branch, 

                    'ANYBRANCH': ANYBRANCH, 

                    'stamps': map(SourceStamp.asDict, stamps) 

                   }) 

 

        sortedBuilderNames = status.getBuilderNames()[:] 

        sortedBuilderNames.sort() 

 

        cxt['builders'] = [] 

 

        for bn in sortedBuilderNames: 

            builds = [None] * len(stamps) 

 

            builder = status.getBuilder(bn) 

            if categories and builder.category not in categories: 

                continue 

 

            for build in self.getRecentBuilds(builder, numBuilds, branch): 

                #TODO: support multiple sourcestamps 

                if len(build.getSourceStamps()) == 1: 

                    ss = build.getSourceStamps(absolute=True)[0] 

                    key= self.getSourceStampKey(ss) 

                    for i in range(len(stamps)): 

                        if key == self.getSourceStampKey(stamps[i]) and builds[i] is None: 

                            builds[i] = build 

 

            b = yield self.builder_cxt(request, builder) 

 

            b['builds'] = [] 

            for build in builds: 

                b['builds'].append(self.build_cxt(request, build)) 

 

            cxt['builders'].append(b) 

 

        template = request.site.buildbot_service.templates.get_template("grid.html") 

        defer.returnValue(template.render(**cxt)) 

 

 

class TransposedGridStatusResource(HtmlResource, GridStatusMixin): 

    # TODO: docs 

    status = None 

    changemaster = None 

    default_rev_order = "asc" 

 

    @defer.inlineCallbacks 

    def content(self, request, cxt): 

        """This method builds the transposed grid display. 

        That is, build hosts across the top, build stamps down the left side 

        """ 

 

        # get url parameters 

        numBuilds = int(request.args.get("length", [5])[0]) 

        categories = request.args.get("category", []) 

        branch = request.args.get("branch", [ANYBRANCH])[0] 

        if branch == 'trunk': branch = None 

 

        rev_order = request.args.get("rev_order", [self.default_rev_order])[0] 

        if rev_order not in ["asc", "desc"]: 

            rev_order = self.default_rev_order 

 

        cxt['refresh'] = self.get_reload_time(request) 

 

        # and the data we want to render 

        status = self.getStatus(request) 

        stamps = self.getRecentSourcestamps(status, numBuilds, categories, branch) 

 

        cxt.update({'categories': categories, 

                    'branch': branch, 

                    'ANYBRANCH': ANYBRANCH, 

                    'stamps': map(SourceStamp.asDict, stamps), 

                    }) 

 

        sortedBuilderNames = status.getBuilderNames()[:] 

        sortedBuilderNames.sort() 

 

        cxt['sorted_builder_names'] = sortedBuilderNames 

        cxt['builder_builds'] = builder_builds = [] 

        cxt['builders'] = builders = [] 

        cxt['range'] = range(len(stamps)) 

        if rev_order == "desc": 

            cxt['range'].reverse() 

 

        for bn in sortedBuilderNames: 

            builds = [None] * len(stamps) 

 

            builder = status.getBuilder(bn) 

            if categories and builder.category not in categories: 

                continue 

 

            for build in self.getRecentBuilds(builder, numBuilds, branch): 

                #TODO: support multiple sourcestamps 

                if len(build.getSourceStamps()) == 1: 

                    ss = build.getSourceStamps(absolute=True)[0] 

                    key = self.getSourceStampKey(ss) 

                    for i in range(len(stamps)): 

                        if key == self.getSourceStampKey(stamps[i]) and builds[i] is None: 

                            builds[i] = build 

 

            b = yield self.builder_cxt(request, builder) 

            builders.append(b) 

 

            builder_builds.append(map(lambda b: self.build_cxt(request, b), builds)) 

 

        template = request.site.buildbot_service.templates.get_template('grid_transposed.html') 

        defer.returnValue(template.render(**cxt))