move DownloadManager and ExtractorFinder

pull/13/head
Mike Fährmann 10 years ago
parent 6f75100ef3
commit 7c12ba1c31

@ -0,0 +1,110 @@
# -*- coding: utf-8 -*-
# Copyright 2015 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
""" """
import os
import sys
import re
import sqlite3
import importlib
class DownloadManager():
def __init__(self, opts, conf):
self.opts = opts
self.conf = conf
self.downloaders = {}
def add(self, extr):
if self.opts.dest:
dest = self.opts.dest
elif extr.category in self.conf:
dest = self.conf[extr.category].get("destination", "/tmp/")
else:
dest = self.conf["general"].get("destination", "/tmp/")
dest = os.path.join(dest, extr.category, extr.directory)
os.makedirs(dest, exist_ok=True)
for url, filename in extr:
path = os.path.join(dest, filename)
if os.path.exists(path):
self.print_skip(path)
continue
dl = self.get_downloader(extr, url)
self.print_start(path)
tries = dl.download(url, path)
self.print_success(path, tries)
def get_downloader(self, extr, url):
end = url.find("://")
proto = url[:end] if end != -1 else "http"
if proto not in self.downloaders:
# import downloader
module = importlib.import_module("."+proto, __package__)
self.downloaders[proto] = module.Downloader
return self.downloaders[proto](extr)
@staticmethod
def print_start(path):
print(path, end="")
sys.stdout.flush()
@staticmethod
def print_skip(path):
print("\033[2m", path, "\033[0m", sep="")
@staticmethod
def print_success(path, tries):
if tries == 0:
print("\r", end="")
print("\r\033[1;32m", path, "\033[0m", sep="")
class ExtractorFinder():
def __init__(self, config):
self.config = config
self.match_list = list()
if "database" in config["general"]:
path = os.path.expanduser(config["general"]["database"])
conn = sqlite3.connect(path)
self.load_from_database(conn)
self.load_from_config(config)
def match(self, url):
for category, regex in self.match_list:
match = regex.match(url)
if match:
module = importlib.import_module("."+category, __package__)
return module.Extractor(match, self.config)
return None
def load_from_database(self, db):
query = (
"SELECT regex.re, category.name "
"FROM regex JOIN category "
"ON regex.category_id = category.id"
)
for row in db.execute(query):
self.add_match(row[1], row[0])
def load_from_config(self, conf):
for category in conf:
for key, value in conf[category].items():
if(key.startswith("regex")):
self.add_match(category, value)
def add_match(self, category, regex):
try:
# print(category, regex)
self.match_list.append( (category, re.compile(regex)) )
except:
print("[Warning] [{0}] failed to compile regular expression '{1}'"
.format(category, regex))

@ -1,54 +1 @@
import os
import sys
import importlib
class DownloadManager():
def __init__(self, opts, conf):
self.opts = opts
self.conf = conf
self.downloaders = {}
def add(self, extr):
if self.opts.dest:
dest = self.opts.dest
elif extr.category in self.conf:
dest = self.conf[extr.category].get("destination", "/tmp/")
else:
dest = self.conf["general"].get("destination", "/tmp/")
dest = os.path.join(dest, extr.category, extr.directory)
os.makedirs(dest, exist_ok=True)
for url, filename in extr:
path = os.path.join(dest, filename)
if os.path.exists(path):
self.print_skip(path)
continue
dl = self.get_downloader(extr, url)
self.print_start(path)
tries = dl.download(url, path)
self.print_success(path, tries)
def get_downloader(self, extr, url):
end = url.find("://")
proto = url[:end] if end != -1 else "http"
if proto not in self.downloaders:
# import downloader
module = importlib.import_module("."+proto, __package__)
self.downloaders[proto] = module.Downloader
return self.downloaders[proto](extr)
@staticmethod
def print_start(path):
print(path, end="")
sys.stdout.flush()
@staticmethod
def print_skip(path):
print("\033[2m", path, "\033[0m", sep="")
@staticmethod
def print_success(path, tries):
if tries == 0:
print("\r", end="")
print("\r\033[1;32m", path, "\033[0m", sep="")

@ -1,47 +1 @@
import os
import sys
import re
import sqlite3
import importlib
class ExtractorFinder():
def __init__(self, config):
self.config = config
self.match_list = list()
if "database" in config["general"]:
path = os.path.expanduser(config["general"]["database"])
conn = sqlite3.connect(path)
self.load_from_database(conn)
self.load_from_config(config)
def match(self, url):
for category, regex in self.match_list:
match = regex.match(url)
if match:
module = importlib.import_module("."+category, __package__)
return module.Extractor(match, self.config)
return None
def load_from_database(self, db):
query = (
"SELECT regex.re, category.name "
"FROM regex JOIN category "
"ON regex.category_id = category.id"
)
for row in db.execute(query):
self.add_match(row[1], row[0])
def load_from_config(self, conf):
for category in conf:
for key, value in conf[category].items():
if(key.startswith("regex")):
self.add_match(category, value)
def add_match(self, category, regex):
try:
# print(category, regex)
self.match_list.append( (category, re.compile(regex)) )
except:
print("[Warning] [{0}] failed to compile regular expression '{1}'"
.format(category, regex))

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