645 lines
22 KiB
Python
645 lines
22 KiB
Python
|
import cgi
|
||
|
|
import email.utils
|
||
|
|
import hashlib
|
||
|
|
import getpass
|
||
|
|
import mimetypes
|
||
|
|
import os
|
||
|
|
import platform
|
||
|
|
import re
|
||
|
|
import shutil
|
||
|
|
import sys
|
||
|
|
import tempfile
|
||
|
|
|
||
|
|
import pip
|
||
|
|
|
||
|
|
from pip.backwardcompat import urllib, urlparse, raw_input
|
||
|
|
from pip.exceptions import InstallationError, HashMismatch
|
||
|
|
from pip.util import (splitext, rmtree, format_size, display_path,
|
||
|
|
backup_dir, ask_path_exists, unpack_file,
|
||
|
|
create_download_cache_folder, cache_download)
|
||
|
|
from pip.vcs import vcs
|
||
|
|
from pip.log import logger
|
||
|
|
import requests, six
|
||
|
|
from requests.adapters import BaseAdapter
|
||
|
|
from requests.auth import AuthBase, HTTPBasicAuth
|
||
|
|
from requests.compat import IncompleteRead
|
||
|
|
from requests.exceptions import InvalidURL, ChunkedEncodingError
|
||
|
|
from requests.models import Response
|
||
|
|
from requests.structures import CaseInsensitiveDict
|
||
|
|
|
||
|
|
__all__ = ['get_file_content',
|
||
|
|
'is_url', 'url_to_path', 'path_to_url',
|
||
|
|
'is_archive_file', 'unpack_vcs_link',
|
||
|
|
'unpack_file_url', 'is_vcs_url', 'is_file_url', 'unpack_http_url']
|
||
|
|
|
||
|
|
|
||
|
|
def user_agent():
|
||
|
|
"""Return a string representing the user agent."""
|
||
|
|
_implementation = platform.python_implementation()
|
||
|
|
|
||
|
|
if _implementation == 'CPython':
|
||
|
|
_implementation_version = platform.python_version()
|
||
|
|
elif _implementation == 'PyPy':
|
||
|
|
_implementation_version = '%s.%s.%s' % (sys.pypy_version_info.major,
|
||
|
|
sys.pypy_version_info.minor,
|
||
|
|
sys.pypy_version_info.micro)
|
||
|
|
if sys.pypy_version_info.releaselevel != 'final':
|
||
|
|
_implementation_version = ''.join([
|
||
|
|
_implementation_version,
|
||
|
|
sys.pypy_version_info.releaselevel,
|
||
|
|
])
|
||
|
|
elif _implementation == 'Jython':
|
||
|
|
_implementation_version = platform.python_version() # Complete Guess
|
||
|
|
elif _implementation == 'IronPython':
|
||
|
|
_implementation_version = platform.python_version() # Complete Guess
|
||
|
|
else:
|
||
|
|
_implementation_version = 'Unknown'
|
||
|
|
|
||
|
|
try:
|
||
|
|
p_system = platform.system()
|
||
|
|
p_release = platform.release()
|
||
|
|
except IOError:
|
||
|
|
p_system = 'Unknown'
|
||
|
|
p_release = 'Unknown'
|
||
|
|
|
||
|
|
return " ".join(['pip/%s' % pip.__version__,
|
||
|
|
'%s/%s' % (_implementation, _implementation_version),
|
||
|
|
'%s/%s' % (p_system, p_release)])
|
||
|
|
|
||
|
|
|
||
|
|
class MultiDomainBasicAuth(AuthBase):
|
||
|
|
|
||
|
|
def __init__(self, prompting=True):
|
||
|
|
self.prompting = prompting
|
||
|
|
self.passwords = {}
|
||
|
|
|
||
|
|
def __call__(self, req):
|
||
|
|
parsed = urlparse.urlparse(req.url)
|
||
|
|
|
||
|
|
# Get the netloc without any embedded credentials
|
||
|
|
netloc = parsed.netloc.split("@", 1)[-1]
|
||
|
|
|
||
|
|
# Set the url of the request to the url without any credentials
|
||
|
|
req.url = urlparse.urlunparse(parsed[:1] + (netloc,) + parsed[2:])
|
||
|
|
|
||
|
|
# Use any stored credentials that we have for this netloc
|
||
|
|
username, password = self.passwords.get(netloc, (None, None))
|
||
|
|
|
||
|
|
# Extract credentials embedded in the url if we have none stored
|
||
|
|
if username is None:
|
||
|
|
username, password = self.parse_credentials(parsed.netloc)
|
||
|
|
|
||
|
|
if username or password:
|
||
|
|
# Store the username and password
|
||
|
|
self.passwords[netloc] = (username, password)
|
||
|
|
|
||
|
|
# Send the basic auth with this request
|
||
|
|
req = HTTPBasicAuth(username or "", password or "")(req)
|
||
|
|
|
||
|
|
# Attach a hook to handle 401 responses
|
||
|
|
req.register_hook("response", self.handle_401)
|
||
|
|
|
||
|
|
return req
|
||
|
|
|
||
|
|
def handle_401(self, resp, **kwargs):
|
||
|
|
# We only care about 401 responses, anything else we want to just
|
||
|
|
# pass through the actual response
|
||
|
|
if resp.status_code != 401:
|
||
|
|
return resp
|
||
|
|
|
||
|
|
# We are not able to prompt the user so simple return the response
|
||
|
|
if not self.prompting:
|
||
|
|
return resp
|
||
|
|
|
||
|
|
parsed = urlparse.urlparse(resp.url)
|
||
|
|
|
||
|
|
# Prompt the user for a new username and password
|
||
|
|
username = raw_input("User for %s: " % parsed.netloc)
|
||
|
|
password = getpass.getpass("Password: ")
|
||
|
|
|
||
|
|
# Store the new username and password to use for future requests
|
||
|
|
if username or password:
|
||
|
|
self.passwords[parsed.netloc] = (username, password)
|
||
|
|
|
||
|
|
# Consume content and release the original connection to allow our new
|
||
|
|
# request to reuse the same one.
|
||
|
|
resp.content
|
||
|
|
resp.raw.release_conn()
|
||
|
|
|
||
|
|
# Add our new username and password to the request
|
||
|
|
req = HTTPBasicAuth(username or "", password or "")(resp.request)
|
||
|
|
|
||
|
|
# Send our new request
|
||
|
|
new_resp = resp.connection.send(req, **kwargs)
|
||
|
|
new_resp.history.append(resp)
|
||
|
|
|
||
|
|
return new_resp
|
||
|
|
|
||
|
|
def parse_credentials(self, netloc):
|
||
|
|
if "@" in netloc:
|
||
|
|
userinfo = netloc.rsplit("@", 1)[0]
|
||
|
|
if ":" in userinfo:
|
||
|
|
return userinfo.split(":", 1)
|
||
|
|
return userinfo, None
|
||
|
|
return None, None
|
||
|
|
|
||
|
|
|
||
|
|
class LocalFSResponse(object):
|
||
|
|
|
||
|
|
def __init__(self, fileobj):
|
||
|
|
self.fileobj = fileobj
|
||
|
|
|
||
|
|
def __getattr__(self, name):
|
||
|
|
return getattr(self.fileobj, name)
|
||
|
|
|
||
|
|
def read(self, amt=None, decode_content=None, cache_content=False):
|
||
|
|
return self.fileobj.read(amt)
|
||
|
|
|
||
|
|
# Insert Hacks to Make Cookie Jar work w/ Requests
|
||
|
|
@property
|
||
|
|
def _original_response(self):
|
||
|
|
class FakeMessage(object):
|
||
|
|
def getheaders(self, header):
|
||
|
|
return []
|
||
|
|
|
||
|
|
def get_all(self, header, default):
|
||
|
|
return []
|
||
|
|
|
||
|
|
class FakeResponse(object):
|
||
|
|
@property
|
||
|
|
def msg(self):
|
||
|
|
return FakeMessage()
|
||
|
|
|
||
|
|
return FakeResponse()
|
||
|
|
|
||
|
|
|
||
|
|
class LocalFSAdapter(BaseAdapter):
|
||
|
|
|
||
|
|
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
|
||
|
|
proxies=None):
|
||
|
|
parsed_url = urlparse.urlparse(request.url)
|
||
|
|
|
||
|
|
# We only work for requests with a host of localhost
|
||
|
|
if parsed_url.netloc.lower() != "localhost":
|
||
|
|
raise InvalidURL("Invalid URL %r: Only localhost is allowed" %
|
||
|
|
request.url)
|
||
|
|
|
||
|
|
real_url = urlparse.urlunparse(parsed_url[:1] + ("",) + parsed_url[2:])
|
||
|
|
pathname = url_to_path(real_url)
|
||
|
|
|
||
|
|
resp = Response()
|
||
|
|
resp.status_code = 200
|
||
|
|
resp.url = real_url
|
||
|
|
|
||
|
|
stats = os.stat(pathname)
|
||
|
|
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
|
||
|
|
resp.headers = CaseInsensitiveDict({
|
||
|
|
"Content-Type": mimetypes.guess_type(pathname)[0] or "text/plain",
|
||
|
|
"Content-Length": stats.st_size,
|
||
|
|
"Last-Modified": modified,
|
||
|
|
})
|
||
|
|
|
||
|
|
resp.raw = LocalFSResponse(open(pathname, "rb"))
|
||
|
|
resp.close = resp.raw.close
|
||
|
|
|
||
|
|
return resp
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class PipSession(requests.Session):
|
||
|
|
|
||
|
|
timeout = None
|
||
|
|
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
super(PipSession, self).__init__(*args, **kwargs)
|
||
|
|
|
||
|
|
# Attach our User Agent to the request
|
||
|
|
self.headers["User-Agent"] = user_agent()
|
||
|
|
|
||
|
|
# Attach our Authentication handler to the session
|
||
|
|
self.auth = MultiDomainBasicAuth()
|
||
|
|
|
||
|
|
# Enable file:// urls
|
||
|
|
self.mount("file://", LocalFSAdapter())
|
||
|
|
|
||
|
|
def request(self, method, url, *args, **kwargs):
|
||
|
|
# Make file:// urls not fail due to lack of a hostname
|
||
|
|
parsed = urlparse.urlparse(url)
|
||
|
|
if parsed.scheme == "file":
|
||
|
|
url = urlparse.urlunparse(parsed[:1] + ("localhost",) + parsed[2:])
|
||
|
|
|
||
|
|
# Allow setting a default timeout on a session
|
||
|
|
kwargs.setdefault("timeout", self.timeout)
|
||
|
|
|
||
|
|
# Dispatch the actual request
|
||
|
|
return super(PipSession, self).request(method, url, *args, **kwargs)
|
||
|
|
|
||
|
|
|
||
|
|
def get_file_content(url, comes_from=None, session=None):
|
||
|
|
"""Gets the content of a file; it may be a filename, file: URL, or
|
||
|
|
http: URL. Returns (location, content). Content is unicode."""
|
||
|
|
if session is None:
|
||
|
|
session = PipSession()
|
||
|
|
|
||
|
|
match = _scheme_re.search(url)
|
||
|
|
if match:
|
||
|
|
scheme = match.group(1).lower()
|
||
|
|
if (scheme == 'file' and comes_from
|
||
|
|
and comes_from.startswith('http')):
|
||
|
|
raise InstallationError(
|
||
|
|
'Requirements file %s references URL %s, which is local'
|
||
|
|
% (comes_from, url))
|
||
|
|
if scheme == 'file':
|
||
|
|
path = url.split(':', 1)[1]
|
||
|
|
path = path.replace('\\', '/')
|
||
|
|
match = _url_slash_drive_re.match(path)
|
||
|
|
if match:
|
||
|
|
path = match.group(1) + ':' + path.split('|', 1)[1]
|
||
|
|
path = urllib.unquote(path)
|
||
|
|
if path.startswith('/'):
|
||
|
|
path = '/' + path.lstrip('/')
|
||
|
|
url = path
|
||
|
|
else:
|
||
|
|
## FIXME: catch some errors
|
||
|
|
resp = session.get(url)
|
||
|
|
resp.raise_for_status()
|
||
|
|
|
||
|
|
if six.PY3:
|
||
|
|
return resp.url, resp.text
|
||
|
|
else:
|
||
|
|
return resp.url, resp.content
|
||
|
|
try:
|
||
|
|
f = open(url)
|
||
|
|
content = f.read()
|
||
|
|
except IOError:
|
||
|
|
e = sys.exc_info()[1]
|
||
|
|
raise InstallationError('Could not open requirements file: %s' % str(e))
|
||
|
|
else:
|
||
|
|
f.close()
|
||
|
|
return url, content
|
||
|
|
|
||
|
|
|
||
|
|
_scheme_re = re.compile(r'^(http|https|file):', re.I)
|
||
|
|
_url_slash_drive_re = re.compile(r'/*([a-z])\|', re.I)
|
||
|
|
|
||
|
|
|
||
|
|
def is_url(name):
|
||
|
|
"""Returns true if the name looks like a URL"""
|
||
|
|
if ':' not in name:
|
||
|
|
return False
|
||
|
|
scheme = name.split(':', 1)[0].lower()
|
||
|
|
return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
|
||
|
|
|
||
|
|
|
||
|
|
def url_to_path(url):
|
||
|
|
"""
|
||
|
|
Convert a file: URL to a path.
|
||
|
|
"""
|
||
|
|
assert url.startswith('file:'), (
|
||
|
|
"You can only turn file: urls into filenames (not %r)" % url)
|
||
|
|
path = url[len('file:'):].lstrip('/')
|
||
|
|
path = urllib.unquote(path)
|
||
|
|
if _url_drive_re.match(path):
|
||
|
|
path = path[0] + ':' + path[2:]
|
||
|
|
else:
|
||
|
|
path = '/' + path
|
||
|
|
return path
|
||
|
|
|
||
|
|
|
||
|
|
_drive_re = re.compile('^([a-z]):', re.I)
|
||
|
|
_url_drive_re = re.compile('^([a-z])[:|]', re.I)
|
||
|
|
|
||
|
|
|
||
|
|
def path_to_url(path):
|
||
|
|
"""
|
||
|
|
Convert a path to a file: URL. The path will be made absolute and have
|
||
|
|
quoted path parts.
|
||
|
|
"""
|
||
|
|
path = os.path.normpath(os.path.abspath(path))
|
||
|
|
drive, path = os.path.splitdrive(path)
|
||
|
|
filepath = path.split(os.path.sep)
|
||
|
|
url = '/'.join([urllib.quote(part) for part in filepath])
|
||
|
|
if not drive:
|
||
|
|
url = url.lstrip('/')
|
||
|
|
return 'file:///' + drive + url
|
||
|
|
|
||
|
|
|
||
|
|
def is_archive_file(name):
|
||
|
|
"""Return True if `name` is a considered as an archive file."""
|
||
|
|
archives = ('.zip', '.tar.gz', '.tar.bz2', '.tgz', '.tar', '.pybundle',
|
||
|
|
'.whl')
|
||
|
|
ext = splitext(name)[1].lower()
|
||
|
|
if ext in archives:
|
||
|
|
return True
|
||
|
|
return False
|
||
|
|
|
||
|
|
|
||
|
|
def unpack_vcs_link(link, location, only_download=False):
|
||
|
|
vcs_backend = _get_used_vcs_backend(link)
|
||
|
|
if only_download:
|
||
|
|
vcs_backend.export(location)
|
||
|
|
else:
|
||
|
|
vcs_backend.unpack(location)
|
||
|
|
|
||
|
|
|
||
|
|
def _get_used_vcs_backend(link):
|
||
|
|
for backend in vcs.backends:
|
||
|
|
if link.scheme in backend.schemes:
|
||
|
|
vcs_backend = backend(link.url)
|
||
|
|
return vcs_backend
|
||
|
|
|
||
|
|
|
||
|
|
def is_vcs_url(link):
|
||
|
|
return bool(_get_used_vcs_backend(link))
|
||
|
|
|
||
|
|
|
||
|
|
def is_file_url(link):
|
||
|
|
return link.url.lower().startswith('file:')
|
||
|
|
|
||
|
|
|
||
|
|
def _check_hash(download_hash, link):
|
||
|
|
if download_hash.digest_size != hashlib.new(link.hash_name).digest_size:
|
||
|
|
logger.fatal("Hash digest size of the package %d (%s) doesn't match the expected hash name %s!"
|
||
|
|
% (download_hash.digest_size, link, link.hash_name))
|
||
|
|
raise HashMismatch('Hash name mismatch for package %s' % link)
|
||
|
|
if download_hash.hexdigest() != link.hash:
|
||
|
|
logger.fatal("Hash of the package %s (%s) doesn't match the expected hash %s!"
|
||
|
|
% (link, download_hash.hexdigest(), link.hash))
|
||
|
|
raise HashMismatch('Bad %s hash for package %s' % (link.hash_name, link))
|
||
|
|
|
||
|
|
|
||
|
|
def _get_hash_from_file(target_file, link):
|
||
|
|
try:
|
||
|
|
download_hash = hashlib.new(link.hash_name)
|
||
|
|
except (ValueError, TypeError):
|
||
|
|
logger.warn("Unsupported hash name %s for package %s" % (link.hash_name, link))
|
||
|
|
return None
|
||
|
|
|
||
|
|
fp = open(target_file, 'rb')
|
||
|
|
while True:
|
||
|
|
chunk = fp.read(4096)
|
||
|
|
if not chunk:
|
||
|
|
break
|
||
|
|
download_hash.update(chunk)
|
||
|
|
fp.close()
|
||
|
|
return download_hash
|
||
|
|
|
||
|
|
|
||
|
|
def _download_url(resp, link, temp_location):
|
||
|
|
fp = open(temp_location, 'wb')
|
||
|
|
download_hash = None
|
||
|
|
if link.hash and link.hash_name:
|
||
|
|
try:
|
||
|
|
download_hash = hashlib.new(link.hash_name)
|
||
|
|
except ValueError:
|
||
|
|
logger.warn("Unsupported hash name %s for package %s" % (link.hash_name, link))
|
||
|
|
try:
|
||
|
|
total_length = int(resp.headers['content-length'])
|
||
|
|
except (ValueError, KeyError, TypeError):
|
||
|
|
total_length = 0
|
||
|
|
downloaded = 0
|
||
|
|
show_progress = total_length > 40 * 1000 or not total_length
|
||
|
|
show_url = link.show_url
|
||
|
|
try:
|
||
|
|
if show_progress:
|
||
|
|
## FIXME: the URL can get really long in this message:
|
||
|
|
if total_length:
|
||
|
|
logger.start_progress('Downloading %s (%s): ' % (show_url, format_size(total_length)))
|
||
|
|
else:
|
||
|
|
logger.start_progress('Downloading %s (unknown size): ' % show_url)
|
||
|
|
else:
|
||
|
|
logger.notify('Downloading %s' % show_url)
|
||
|
|
logger.info('Downloading from URL %s' % link)
|
||
|
|
|
||
|
|
def resp_read(chunk_size):
|
||
|
|
try:
|
||
|
|
# Special case for urllib3.
|
||
|
|
try:
|
||
|
|
for chunk in resp.raw.stream(
|
||
|
|
chunk_size, decode_content=False):
|
||
|
|
yield chunk
|
||
|
|
except IncompleteRead as e:
|
||
|
|
raise ChunkedEncodingError(e)
|
||
|
|
except AttributeError:
|
||
|
|
# Standard file-like object.
|
||
|
|
while True:
|
||
|
|
chunk = resp.raw.read(chunk_size)
|
||
|
|
if not chunk:
|
||
|
|
break
|
||
|
|
yield chunk
|
||
|
|
|
||
|
|
for chunk in resp_read(4096):
|
||
|
|
downloaded += len(chunk)
|
||
|
|
if show_progress:
|
||
|
|
if not total_length:
|
||
|
|
logger.show_progress('%s' % format_size(downloaded))
|
||
|
|
else:
|
||
|
|
logger.show_progress('%3i%% %s' % (100 * downloaded / total_length, format_size(downloaded)))
|
||
|
|
if download_hash is not None:
|
||
|
|
download_hash.update(chunk)
|
||
|
|
fp.write(chunk)
|
||
|
|
fp.close()
|
||
|
|
finally:
|
||
|
|
if show_progress:
|
||
|
|
logger.end_progress('%s downloaded' % format_size(downloaded))
|
||
|
|
return download_hash
|
||
|
|
|
||
|
|
|
||
|
|
def _copy_file(filename, location, content_type, link):
|
||
|
|
copy = True
|
||
|
|
download_location = os.path.join(location, link.filename)
|
||
|
|
if os.path.exists(download_location):
|
||
|
|
response = ask_path_exists(
|
||
|
|
'The file %s exists. (i)gnore, (w)ipe, (b)ackup ' %
|
||
|
|
display_path(download_location), ('i', 'w', 'b'))
|
||
|
|
if response == 'i':
|
||
|
|
copy = False
|
||
|
|
elif response == 'w':
|
||
|
|
logger.warn('Deleting %s' % display_path(download_location))
|
||
|
|
os.remove(download_location)
|
||
|
|
elif response == 'b':
|
||
|
|
dest_file = backup_dir(download_location)
|
||
|
|
logger.warn('Backing up %s to %s'
|
||
|
|
% (display_path(download_location), display_path(dest_file)))
|
||
|
|
shutil.move(download_location, dest_file)
|
||
|
|
if copy:
|
||
|
|
shutil.copy(filename, download_location)
|
||
|
|
logger.notify('Saved %s' % display_path(download_location))
|
||
|
|
|
||
|
|
|
||
|
|
def unpack_http_url(link, location, download_cache, download_dir=None,
|
||
|
|
session=None):
|
||
|
|
if session is None:
|
||
|
|
session = PipSession()
|
||
|
|
|
||
|
|
temp_dir = tempfile.mkdtemp('-unpack', 'pip-')
|
||
|
|
temp_location = None
|
||
|
|
target_url = link.url.split('#', 1)[0]
|
||
|
|
already_cached = False
|
||
|
|
cache_file = None
|
||
|
|
cache_content_type_file = None
|
||
|
|
download_hash = None
|
||
|
|
|
||
|
|
# If a download cache is specified, is the file cached there?
|
||
|
|
if download_cache:
|
||
|
|
cache_file = os.path.join(download_cache,
|
||
|
|
urllib.quote(target_url, ''))
|
||
|
|
cache_content_type_file = cache_file + '.content-type'
|
||
|
|
already_cached = (
|
||
|
|
os.path.exists(cache_file) and
|
||
|
|
os.path.exists(cache_content_type_file)
|
||
|
|
)
|
||
|
|
if not os.path.isdir(download_cache):
|
||
|
|
create_download_cache_folder(download_cache)
|
||
|
|
|
||
|
|
# If a download dir is specified, is the file already downloaded there?
|
||
|
|
already_downloaded = None
|
||
|
|
if download_dir:
|
||
|
|
already_downloaded = os.path.join(download_dir, link.filename)
|
||
|
|
if not os.path.exists(already_downloaded):
|
||
|
|
already_downloaded = None
|
||
|
|
|
||
|
|
# If already downloaded, does it's hash match?
|
||
|
|
if already_downloaded:
|
||
|
|
temp_location = already_downloaded
|
||
|
|
content_type = mimetypes.guess_type(already_downloaded)[0]
|
||
|
|
logger.notify('File was already downloaded %s' % already_downloaded)
|
||
|
|
if link.hash:
|
||
|
|
download_hash = _get_hash_from_file(temp_location, link)
|
||
|
|
try:
|
||
|
|
_check_hash(download_hash, link)
|
||
|
|
except HashMismatch:
|
||
|
|
logger.warn(
|
||
|
|
'Previously-downloaded file %s has bad hash, '
|
||
|
|
're-downloading.' % temp_location
|
||
|
|
)
|
||
|
|
temp_location = None
|
||
|
|
os.unlink(already_downloaded)
|
||
|
|
already_downloaded = None
|
||
|
|
|
||
|
|
# If not a valid download, let's confirm the cached file is valid
|
||
|
|
if already_cached and not temp_location:
|
||
|
|
with open(cache_content_type_file) as fp:
|
||
|
|
content_type = fp.read().strip()
|
||
|
|
temp_location = cache_file
|
||
|
|
logger.notify('Using download cache from %s' % cache_file)
|
||
|
|
if link.hash and link.hash_name:
|
||
|
|
download_hash = _get_hash_from_file(cache_file, link)
|
||
|
|
try:
|
||
|
|
_check_hash(download_hash, link)
|
||
|
|
except HashMismatch:
|
||
|
|
logger.warn(
|
||
|
|
'Cached file %s has bad hash, '
|
||
|
|
're-downloading.' % temp_location
|
||
|
|
)
|
||
|
|
temp_location = None
|
||
|
|
os.unlink(cache_file)
|
||
|
|
os.unlink(cache_content_type_file)
|
||
|
|
already_cached = False
|
||
|
|
|
||
|
|
# We don't have either a cached or a downloaded copy
|
||
|
|
# let's download to a tmp dir
|
||
|
|
if not temp_location:
|
||
|
|
try:
|
||
|
|
resp = session.get(target_url, stream=True)
|
||
|
|
resp.raise_for_status()
|
||
|
|
except requests.HTTPError as exc:
|
||
|
|
logger.fatal("HTTP error %s while getting %s" %
|
||
|
|
(exc.response.status_code, link))
|
||
|
|
raise
|
||
|
|
|
||
|
|
content_type = resp.headers.get('content-type', '')
|
||
|
|
filename = link.filename # fallback
|
||
|
|
# Have a look at the Content-Disposition header for a better guess
|
||
|
|
content_disposition = resp.headers.get('content-disposition')
|
||
|
|
if content_disposition:
|
||
|
|
type, params = cgi.parse_header(content_disposition)
|
||
|
|
# We use ``or`` here because we don't want to use an "empty" value
|
||
|
|
# from the filename param.
|
||
|
|
filename = params.get('filename') or filename
|
||
|
|
ext = splitext(filename)[1]
|
||
|
|
if not ext:
|
||
|
|
ext = mimetypes.guess_extension(content_type)
|
||
|
|
if ext:
|
||
|
|
filename += ext
|
||
|
|
if not ext and link.url != resp.url:
|
||
|
|
ext = os.path.splitext(resp.url)[1]
|
||
|
|
if ext:
|
||
|
|
filename += ext
|
||
|
|
temp_location = os.path.join(temp_dir, filename)
|
||
|
|
download_hash = _download_url(resp, link, temp_location)
|
||
|
|
if link.hash and link.hash_name:
|
||
|
|
_check_hash(download_hash, link)
|
||
|
|
|
||
|
|
# a download dir is specified; let's copy the archive there
|
||
|
|
if download_dir and not already_downloaded:
|
||
|
|
_copy_file(temp_location, download_dir, content_type, link)
|
||
|
|
|
||
|
|
# unpack the archive to the build dir location. even when only downloading
|
||
|
|
# archives, they have to be unpacked to parse dependencies
|
||
|
|
unpack_file(temp_location, location, content_type, link)
|
||
|
|
|
||
|
|
# if using a download cache, cache it, if needed
|
||
|
|
if cache_file and not already_cached:
|
||
|
|
cache_download(cache_file, temp_location, content_type)
|
||
|
|
|
||
|
|
if not (already_cached or already_downloaded):
|
||
|
|
os.unlink(temp_location)
|
||
|
|
|
||
|
|
os.rmdir(temp_dir)
|
||
|
|
|
||
|
|
|
||
|
|
def unpack_file_url(link, location, download_dir=None):
|
||
|
|
|
||
|
|
link_path = url_to_path(link.url_without_fragment)
|
||
|
|
already_downloaded = False
|
||
|
|
|
||
|
|
# If it's a url to a local directory
|
||
|
|
if os.path.isdir(link_path):
|
||
|
|
if os.path.isdir(location):
|
||
|
|
rmtree(location)
|
||
|
|
shutil.copytree(link_path, location, symlinks=True)
|
||
|
|
return
|
||
|
|
|
||
|
|
# if link has a hash, let's confirm it matches
|
||
|
|
if link.hash:
|
||
|
|
link_path_hash = _get_hash_from_file(link_path, link)
|
||
|
|
_check_hash(link_path_hash, link)
|
||
|
|
|
||
|
|
# If a download dir is specified, is the file already there and valid?
|
||
|
|
if download_dir:
|
||
|
|
download_path = os.path.join(download_dir, link.filename)
|
||
|
|
if os.path.exists(download_path):
|
||
|
|
content_type = mimetypes.guess_type(download_path)[0]
|
||
|
|
logger.notify('File was already downloaded %s' % download_path)
|
||
|
|
if link.hash:
|
||
|
|
download_hash = _get_hash_from_file(download_path, link)
|
||
|
|
try:
|
||
|
|
_check_hash(download_hash, link)
|
||
|
|
already_downloaded = True
|
||
|
|
except HashMismatch:
|
||
|
|
logger.warn(
|
||
|
|
'Previously-downloaded file %s has bad hash, '
|
||
|
|
're-downloading.' % link_path
|
||
|
|
)
|
||
|
|
os.unlink(download_path)
|
||
|
|
else:
|
||
|
|
already_downloaded = True
|
||
|
|
|
||
|
|
if already_downloaded:
|
||
|
|
from_path = download_path
|
||
|
|
else:
|
||
|
|
from_path = link_path
|
||
|
|
|
||
|
|
content_type = mimetypes.guess_type(from_path)[0]
|
||
|
|
|
||
|
|
# unpack the archive to the build dir location. even when only downloading
|
||
|
|
# archives, they have to be unpacked to parse dependencies
|
||
|
|
unpack_file(from_path, location, content_type, link)
|
||
|
|
|
||
|
|
# a download dir is specified and not already downloaded
|
||
|
|
if download_dir and not already_downloaded:
|
||
|
|
_copy_file(from_path, download_dir, content_type, link)
|