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###########################################################################################

# Helper classes for the different CI commands

###########################################################################################

import sys, os

import shutil

from System.Net import WebClient



class SearchBuild:

    def __init__(self):

        self.artifacts = list()

        self.error = False



    # search for files with a given file-ending, and call the method

    # doit() for every occurance

    def search(self, ending, folder):

        for root, dirs, files in os.walk(folder):

            for file in files:

                if file.endswith(ending):

                    self.artifacts += self.doit(os.path.join(root, file))

        print("%u artifact(s) created" % len(self.artifacts))



    def save(self, basepath, destination):

        for filename in self.artifacts:

            dirname = os.path.dirname(os.path.relpath(filename, basepath))

            if dirname.startswith(".."):

                dirname = os.path.dirname(filename).lstrip("/")

            

            destdir = os.path.join(destination, dirname)

            if not os.path.exists(destdir):

                os.mkdir(destdir)

            shutil.copy2(filename, destdir)

            print("%s => %s" % (filename, destdir))





    # dummy rule

    def doit(self, filename):

        artifacts = list()

        return artifacts



#

# Install a library from a URL (starting with http(s))

#

def install_library(url, librarymanager):

    if not url.startswith("http"):

        return

    

    downloaddir = os.path.join(os.environ["USERPROFILE"], "downloads")

    if not os.path.exists(downloaddir):

        os.makedirs(downloaddir)

    localname = os.path.join(downloaddir, "dl.library")

    print("*** download %s to %s\n" % (url, localname))



    web_client = WebClient()

    web_client.DownloadFile(url, localname)

    repo = librarymanager.repositories[0]

    print("*** installing %s\n" % url)

    librarymanager.install_library (localname, repo, True)





#

# Check if there is a *.requirements file, and install

# all requirements from there. The parameter is a library

# URL, while we are checking if a *.requirements file exists

# beside this library.

#

def install_requirements(library_filename, librarymanager):

    reqfilename = os.path.splitext(library_filename)[0] + ".requirements"

    

    if os.path.isfile(reqfilename):

        reqfile = open(reqfilename, "r")

        

        for req in reqfile:

            install_library(req, librarymanager)