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-rw-r--r--lib/spack/spack/cmd/create.py4
-rw-r--r--lib/spack/spack/cmd/url-parse.py75
-rw-r--r--lib/spack/spack/fetch_strategy.py4
-rw-r--r--lib/spack/spack/package.py85
-rw-r--r--lib/spack/spack/stage.py53
-rw-r--r--lib/spack/spack/util/web.py140
6 files changed, 253 insertions, 108 deletions
diff --git a/lib/spack/spack/cmd/create.py b/lib/spack/spack/cmd/create.py
index 5e42860f3e..9ecb709110 100644
--- a/lib/spack/spack/cmd/create.py
+++ b/lib/spack/spack/cmd/create.py
@@ -34,8 +34,8 @@ from llnl.util.filesystem import mkdirp
import spack
import spack.cmd
import spack.cmd.checksum
-import spack.package
import spack.url
+import spack.util.web
from spack.util.naming import *
import spack.util.crypto as crypto
@@ -166,7 +166,7 @@ def create(parser, args):
tty.msg("This looks like a URL for %s version %s." % (name, version))
tty.msg("Creating template for package %s" % name)
- versions = spack.package.find_versions_of_archive(url)
+ versions = spack.util.web.find_versions_of_archive(url)
rkeys = sorted(versions.keys(), reverse=True)
versions = OrderedDict(zip(rkeys, (versions[v] for v in rkeys)))
diff --git a/lib/spack/spack/cmd/url-parse.py b/lib/spack/spack/cmd/url-parse.py
new file mode 100644
index 0000000000..077c793d2e
--- /dev/null
+++ b/lib/spack/spack/cmd/url-parse.py
@@ -0,0 +1,75 @@
+##############################################################################
+# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program 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 2.1 dated February 1999.
+#
+# 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 terms and
+# conditions of the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+import sys
+
+import llnl.util.tty as tty
+
+import spack
+import spack.url
+from spack.util.web import find_versions_of_archive
+
+description = "Show parsing of a URL, optionally spider web for other versions."
+
+def setup_parser(subparser):
+ subparser.add_argument('url', help="url of a package archive")
+ subparser.add_argument(
+ '-s', '--spider', action='store_true', help="Spider the source page for versions.")
+
+
+def print_name_and_version(url):
+ name, ns, nl, ntup, ver, vs, vl, vtup = spack.url.substitution_offsets(url)
+ underlines = [" "] * max(ns+nl, vs+vl)
+ for i in range(ns, ns+nl):
+ underlines[i] = '-'
+ for i in range(vs, vs+vl):
+ underlines[i] = '~'
+
+ print " %s" % url
+ print " %s" % ''.join(underlines)
+
+
+def url_parse(parser, args):
+ url = args.url
+
+ ver, vs, vl = spack.url.parse_version_offset(url)
+ name, ns, nl = spack.url.parse_name_offset(url, ver)
+
+ tty.msg("Parsing URL:")
+ try:
+ print_name_and_version(url)
+ except spack.url.UrlParseError as e:
+ tty.error(str(e))
+
+ print
+ tty.msg("Substituting version 9.9.9b:")
+ newurl = spack.url.substitute_version(url, '9.9.9b')
+ print_name_and_version(newurl)
+
+ if args.spider:
+ print
+ tty.msg("Spidering for versions:")
+ versions = find_versions_of_archive(url)
+ for v in sorted(versions):
+ print "%-20s%s" % (v, versions[v])
diff --git a/lib/spack/spack/fetch_strategy.py b/lib/spack/spack/fetch_strategy.py
index a9374fb34b..0657146bf6 100644
--- a/lib/spack/spack/fetch_strategy.py
+++ b/lib/spack/spack/fetch_strategy.py
@@ -687,7 +687,7 @@ def for_package_version(pkg, version):
class FetchError(spack.error.SpackError):
- def __init__(self, msg, long_msg):
+ def __init__(self, msg, long_msg=None):
super(FetchError, self).__init__(msg, long_msg)
@@ -705,7 +705,7 @@ class NoArchiveFileError(FetchError):
class NoDigestError(FetchError):
- def __init__(self, msg, long_msg):
+ def __init__(self, msg, long_msg=None):
super(NoDigestError, self).__init__(msg, long_msg)
diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py
index b95afb073d..84bcb15f7f 100644
--- a/lib/spack/spack/package.py
+++ b/lib/spack/spack/package.py
@@ -733,9 +733,10 @@ class Package(object):
# Construct paths to special files in the archive dir used to
# keep track of whether patches were successfully applied.
- archive_dir = self.stage.source_path
- good_file = join_path(archive_dir, '.spack_patched')
- bad_file = join_path(archive_dir, '.spack_patch_failed')
+ archive_dir = self.stage.source_path
+ good_file = join_path(archive_dir, '.spack_patched')
+ no_patches_file = join_path(archive_dir, '.spack_no_patches')
+ bad_file = join_path(archive_dir, '.spack_patch_failed')
# If we encounter an archive that failed to patch, restage it
# so that we can apply all the patches again.
@@ -749,29 +750,46 @@ class Package(object):
if os.path.isfile(good_file):
tty.msg("Already patched %s" % self.name)
return
+ elif os.path.isfile(no_patches_file):
+ tty.msg("No patches needed for %s." % self.name)
+ return
# Apply all the patches for specs that match this one
+ patched = False
for spec, patch_list in self.patches.items():
if self.spec.satisfies(spec):
for patch in patch_list:
- tty.msg('Applying patch %s' % patch.path_or_url)
try:
patch.apply(self.stage)
+ tty.msg('Applied patch %s' % patch.path_or_url)
+ patched = True
except:
# Touch bad file if anything goes wrong.
+ tty.msg('Patch %s failed.' % patch.path_or_url)
touch(bad_file)
raise
- # patch succeeded. Get rid of failed file & touch good file so we
- # don't try to patch again again next time.
+ if has_patch_fun:
+ try:
+ self.patch()
+ tty.msg("Ran patch() for %s." % self.name)
+ patched = True
+ except:
+ tty.msg("patch() function failed for %s." % self.name)
+ touch(bad_file)
+ raise
+
+ # Get rid of any old failed file -- patches have either succeeded
+ # or are not needed. This is mostly defensive -- it's needed
+ # if the restage() method doesn't clean *everything* (e.g., for a repo)
if os.path.isfile(bad_file):
os.remove(bad_file)
- touch(good_file)
-
- if has_patch_fun:
- self.patch()
- tty.msg("Patched %s" % self.name)
+ # touch good or no patches file so that we skip next time.
+ if patched:
+ touch(good_file)
+ else:
+ touch(no_patches_file)
def do_fake_install(self):
@@ -1164,7 +1182,7 @@ class Package(object):
raise VersionFetchError(self.__class__)
try:
- return find_versions_of_archive(
+ return spack.util.web.find_versions_of_archive(
*self.all_urls, list_url=self.list_url, list_depth=self.list_depth)
except spack.error.NoNetworkConnectionError, e:
tty.die("Package.fetch_versions couldn't connect to:",
@@ -1188,49 +1206,6 @@ class Package(object):
return " ".join("-Wl,-rpath=%s" % p for p in self.rpath)
-def find_versions_of_archive(*archive_urls, **kwargs):
- list_url = kwargs.get('list_url', None)
- list_depth = kwargs.get('list_depth', 1)
-
- # Generate a list of list_urls based on archive urls and any
- # explicitly listed list_url in the package
- list_urls = set()
- if list_url:
- list_urls.add(list_url)
- for aurl in archive_urls:
- list_urls.add(spack.url.find_list_url(aurl))
-
- # Grab some web pages to scrape.
- page_map = {}
- for lurl in list_urls:
- pages = spack.util.web.get_pages(lurl, depth=list_depth)
- page_map.update(pages)
-
- # Scrape them for archive URLs
- regexes = []
- for aurl in archive_urls:
- # This creates a regex from the URL with a capture group for
- # the version part of the URL. The capture group is converted
- # to a generic wildcard, so we can use this to extract things
- # on a page that look like archive URLs.
- url_regex = spack.url.wildcard_version(aurl)
-
- # We'll be a bit more liberal and just look for the archive
- # part, not the full path.
- regexes.append(os.path.basename(url_regex))
-
- # Build a version list from all the matches we find
- versions = {}
- for page_url, content in page_map.iteritems():
- # extract versions from matches.
- for regex in regexes:
- versions.update(
- (Version(m.group(1)), urljoin(page_url, m.group(0)))
- for m in re.finditer(regex, content))
-
- return versions
-
-
def validate_package_url(url_string):
"""Determine whether spack can handle a particular URL or not."""
url = urlparse(url_string)
diff --git a/lib/spack/spack/stage.py b/lib/spack/spack/stage.py
index 754344fc01..76ca7273cb 100644
--- a/lib/spack/spack/stage.py
+++ b/lib/spack/spack/stage.py
@@ -82,14 +82,18 @@ class Stage(object):
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
"""
+ # TODO: fetch/stage coupling needs to be reworked -- the logic
+ # TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError("Can't construct Stage without url or fetch strategy")
-
self.fetcher.set_stage(self)
+ self.default_fetcher = self.fetcher # self.fetcher can change with mirrors.
+ self.skip_checksum_for_mirror = True # used for mirrored archives of repositories.
+
self.name = kwargs.get('name')
self.mirror_path = kwargs.get('mirror_path')
@@ -198,17 +202,18 @@ class Stage(object):
@property
def archive_file(self):
"""Path to the source archive within this stage directory."""
- if not isinstance(self.fetcher, fs.URLFetchStrategy):
- return None
+ paths = []
+ if isinstance(self.fetcher, fs.URLFetchStrategy):
+ paths.append(os.path.join(self.path, os.path.basename(self.fetcher.url)))
- paths = [os.path.join(self.path, os.path.basename(self.fetcher.url))]
if self.mirror_path:
paths.append(os.path.join(self.path, os.path.basename(self.mirror_path)))
for path in paths:
if os.path.exists(path):
return path
- return None
+ else:
+ return None
@property
@@ -238,23 +243,34 @@ class Stage(object):
"""Downloads an archive or checks out code from a repository."""
self.chdir()
- fetchers = [self.fetcher]
+ fetchers = [self.default_fetcher]
# TODO: move mirror logic out of here and clean it up!
+ # TODO: Or @alalazo may have some ideas about how to use a
+ # TODO: CompositeFetchStrategy here.
+ self.skip_checksum_for_mirror = True
if self.mirror_path:
urls = ["%s/%s" % (m, self.mirror_path) for m in _get_mirrors()]
+ # If this archive is normally fetched from a tarball URL,
+ # then use the same digest. `spack mirror` ensures that
+ # the checksum will be the same.
digest = None
- if isinstance(self.fetcher, fs.URLFetchStrategy):
- digest = self.fetcher.digest
- fetchers = [fs.URLFetchStrategy(url, digest)
- for url in urls] + fetchers
- for f in fetchers:
- f.set_stage(self)
+ if isinstance(self.default_fetcher, fs.URLFetchStrategy):
+ digest = self.default_fetcher.digest
+
+ # Have to skip the checkesum for things archived from
+ # repositories. How can this be made safer?
+ self.skip_checksum_for_mirror = not bool(digest)
+
+ for url in urls:
+ fetchers.insert(0, fs.URLFetchStrategy(url, digest))
for fetcher in fetchers:
try:
- fetcher.fetch()
+ fetcher.set_stage(self)
+ self.fetcher = fetcher
+ self.fetcher.fetch()
break
except spack.error.SpackError, e:
tty.msg("Fetching from %s failed." % fetcher)
@@ -262,13 +278,22 @@ class Stage(object):
continue
else:
errMessage = "All fetchers failed for %s" % self.name
+ self.fetcher = self.default_fetcher
raise fs.FetchError(errMessage, None)
def check(self):
"""Check the downloaded archive against a checksum digest.
No-op if this stage checks code out of a repository."""
- self.fetcher.check()
+ if self.fetcher is not self.default_fetcher and self.skip_checksum_for_mirror:
+ tty.warn("Fetching from mirror without a checksum!",
+ "This package is normally checked out from a version "
+ "control system, but it has been archived on a spack "
+ "mirror. This means we cannot know a checksum for the "
+ "tarball in advance. Be sure that your connection to "
+ "this mirror is secure!.")
+ else:
+ self.fetcher.check()
def expand_archive(self):
diff --git a/lib/spack/spack/util/web.py b/lib/spack/spack/util/web.py
index 94384e9c86..e26daef296 100644
--- a/lib/spack/spack/util/web.py
+++ b/lib/spack/spack/util/web.py
@@ -23,6 +23,7 @@
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import re
+import os
import sys
import subprocess
import urllib2, cookielib
@@ -70,7 +71,9 @@ def _spider(args):
"""
url, visited, root, opener, depth, max_depth, raise_on_error = args
- pages = {}
+ pages = {} # dict from page URL -> text content.
+ links = set() # set of all links seen on visited pages.
+
try:
# Make a HEAD request first to check the content type. This lets
# us ignore tarballs and gigantic files.
@@ -99,42 +102,45 @@ def _spider(args):
page = response.read()
pages[response_url] = page
- # If we're not at max depth, parse out the links in the page
- if depth < max_depth:
- link_parser = LinkParser()
- subcalls = []
- link_parser.feed(page)
-
- while link_parser.links:
- raw_link = link_parser.links.pop()
+ # Parse out the links in the page
+ link_parser = LinkParser()
+ subcalls = []
+ link_parser.feed(page)
- # Skip stuff that looks like an archive
- if any(raw_link.endswith(suf) for suf in ALLOWED_ARCHIVE_TYPES):
- continue
+ while link_parser.links:
+ raw_link = link_parser.links.pop()
+ abs_link = urlparse.urljoin(response_url, raw_link)
- # Evaluate the link relative to the page it came from.
- abs_link = urlparse.urljoin(response_url, raw_link)
+ links.add(abs_link)
- # Skip things outside the root directory
- if not abs_link.startswith(root):
- continue
+ # Skip stuff that looks like an archive
+ if any(raw_link.endswith(suf) for suf in ALLOWED_ARCHIVE_TYPES):
+ continue
- # Skip already-visited links
- if abs_link in visited:
- continue
+ # Skip things outside the root directory
+ if not abs_link.startswith(root):
+ continue
- subcalls.append((abs_link, visited, root, None, depth+1, max_depth, raise_on_error))
- visited.add(abs_link)
+ # Skip already-visited links
+ if abs_link in visited:
+ continue
- if subcalls:
- try:
- pool = Pool(processes=len(subcalls))
- dicts = pool.map(_spider, subcalls)
- for d in dicts:
- pages.update(d)
- finally:
- pool.terminate()
- pool.join()
+ # If we're not at max depth, follow links.
+ if depth < max_depth:
+ subcalls.append((abs_link, visited, root, None,
+ depth+1, max_depth, raise_on_error))
+ visited.add(abs_link)
+
+ if subcalls:
+ try:
+ pool = Pool(processes=len(subcalls))
+ results = pool.map(_spider, subcalls)
+ for sub_pages, sub_links in results:
+ pages.update(sub_pages)
+ links.update(sub_links)
+ finally:
+ pool.terminate()
+ pool.join()
except urllib2.URLError, e:
tty.debug(e)
@@ -155,10 +161,10 @@ def _spider(args):
# Other types of errors are completely ignored, except in debug mode.
tty.debug("Error in _spider: %s" % e)
- return pages
+ return pages, links
-def get_pages(root_url, **kwargs):
+def spider(root_url, **kwargs):
"""Gets web pages from a root URL.
If depth is specified (e.g., depth=2), then this will also fetches pages
linked from the root and its children up to depth.
@@ -167,5 +173,69 @@ def get_pages(root_url, **kwargs):
performance over a sequential fetch.
"""
max_depth = kwargs.setdefault('depth', 1)
- pages = _spider((root_url, set(), root_url, None, 1, max_depth, False))
- return pages
+ pages, links = _spider((root_url, set(), root_url, None, 1, max_depth, False))
+ return pages, links
+
+
+def find_versions_of_archive(*archive_urls, **kwargs):
+ """Scrape web pages for new versions of a tarball.
+
+ Arguments:
+ archive_urls:
+ URLs for different versions of a package. Typically these
+ are just the tarballs from the package file itself. By
+ default, this searches the parent directories of archives.
+
+ Keyword Arguments:
+ list_url:
+
+ URL for a listing of archives. Spack wills scrape these
+ pages for download links that look like the archive URL.
+
+ list_depth:
+ Max depth to follow links on list_url pages.
+
+ """
+ list_url = kwargs.get('list_url', None)
+ list_depth = kwargs.get('list_depth', 1)
+
+ # Generate a list of list_urls based on archive urls and any
+ # explicitly listed list_url in the package
+ list_urls = set()
+ if list_url:
+ list_urls.add(list_url)
+ for aurl in archive_urls:
+ list_urls.add(spack.url.find_list_url(aurl))
+
+ # Grab some web pages to scrape.
+ pages = {}
+ links = set()
+ for lurl in list_urls:
+ p, l = spider(lurl, depth=list_depth)
+ pages.update(p)
+ links.update(l)
+
+ # Scrape them for archive URLs
+ regexes = []
+ for aurl in archive_urls:
+ # This creates a regex from the URL with a capture group for
+ # the version part of the URL. The capture group is converted
+ # to a generic wildcard, so we can use this to extract things
+ # on a page that look like archive URLs.
+ url_regex = spack.url.wildcard_version(aurl)
+
+ # We'll be a bit more liberal and just look for the archive
+ # part, not the full path.
+ regexes.append(os.path.basename(url_regex))
+
+ # Build a dict version -> URL from any links that match the wildcards.
+ versions = {}
+ for url in links:
+ if any(re.search(r, url) for r in regexes):
+ try:
+ ver = spack.url.parse_version(url)
+ versions[ver] = url
+ except spack.url.UndetectableVersionError as e:
+ continue
+
+ return versions
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-18 19:10:53 +0000