def process_url(self, url, retrieve=False):
"""Evaluate a URL as a possible download, and maybe retrieve it"""
if url in self.scanned_urls and not retrieve:
return
self.scanned_urls[url] = True
if not URL_SCHEME(url):
self.process_filename(url)
return
else:
dists = list(distros_for_url(url))
if dists:
if not self.url_ok(url):
return
self.debug("Found link: %s", url)
if dists or not retrieve or url in self.fetched_urls:
map(self.add, dists)
return # don't need the actual page
if not self.url_ok(url):
self.fetched_urls[url] = True
return
self.info("Reading %s", url)
f = self.open_url(url, "Download error on %s: %%s -- Some packages may not be found!" % url)
if f is None:
return
self.fetched_urls[url] = self.fetched_urls[f.url] = True
if "html" not in f.headers.get("content-type", "").lower():
f.close() # not html, we can't process it
return
base = f.url # handle redirects
page = f.read()
if not isinstance(page, str): # We are in Python 3 and got bytes. We want str.
if isinstance(f, urllib2.HTTPError):
# Errors have no charset, assume latin1:
charset = "latin-1"
else:
charset = f.headers.get_param("charset") or "latin-1"
page = page.decode(charset, "ignore")
f.close()
for match in HREF.finditer(page):
link = urlparse.urljoin(base, htmldecode(match.group(1)))
self.process_url(link)
for index_url in self.index_urls:
if url.startswith(index_url) and getattr(f, "code", None) != 404:
page = self.process_index(url, page)
def process_index(self, url, page):
"""Process the contents of a PyPI page
Override: don't lowercase package name
"""
if ALWAYS_REFRESH:
# Zap ourselves from the fetched url list, otherwise we'll
# never be updated as long as the server runs.
del self.fetched_urls[url]
def scan(link):
# Process a URL to see if it's for a package page
if link.startswith(self.index_url):
parts = map(
urllib2.unquote, link[len(self.index_url):].split('/')
)
if len(parts)==2 and '#' not in parts[1]:
# it's a package page, sanitize and index it
pkg = safe_name(parts[0])
ver = safe_version(parts[1])
# changed "pkg.lower()" to "pkg"
self.package_pages.setdefault(pkg, {})[link] = True
return to_filename(pkg), to_filename(ver)
return None, None
# process an index page into the package-page index
for match in HREF.finditer(page):
scan( urlparse.urljoin(url, htmldecode(match.group(1))) )
pkg, ver = scan(url) # ensure this page is in the page index
if pkg:
# process individual package page
for new_url in find_external_links(url, page):
# Process the found URL
base, frag = egg_info_for_url(new_url)
if base.endswith('.py') and not frag:
if ver:
new_url+='#egg=%s-%s' % (pkg,ver)
else:
self.need_version_info(url)
self.scan_url(new_url)
return PYPI_MD5.sub(
lambda m: '<a href="%s#md5=%s">%s</a>' % m.group(1,3,2), page
)
else:
return "" # no sense double-scanning non-package pages
def process_index(self, url, page):
"""Process the contents of a PyPI page
Override: don't lowercase package name
"""
if ALWAYS_REFRESH:
# Zap ourselves from the fetched url list, otherwise we'll
# never be updated as long as the server runs.
del self.fetched_urls[url]
def scan(link):
# Process a URL to see if it's for a package page
if link.startswith(self.index_url):
parts = map(urllib2.unquote,
link[len(self.index_url):].split('/'))
if len(parts) == 2 and '#' not in parts[1]:
# it's a package page, sanitize and index it
pkg = safe_name(parts[0])
ver = safe_version(parts[1])
# changed "pkg.lower()" to "pkg"
self.package_pages.setdefault(pkg, {})[link] = True
return to_filename(pkg), to_filename(ver)
return None, None
# process an index page into the package-page index
for match in HREF.finditer(page):
scan(urlparse.urljoin(url, htmldecode(match.group(1))))
pkg, ver = scan(url) # ensure this page is in the page index
if pkg:
# process individual package page
for new_url in find_external_links(url, page):
# Process the found URL
base, frag = egg_info_for_url(new_url)
if base.endswith('.py') and not frag:
if ver:
new_url += '#egg=%s-%s' % (pkg, ver)
else:
self.need_version_info(url)
self.scan_url(new_url)
return PYPI_MD5.sub(
lambda m: '<a href="%s#md5=%s">%s</a>' % m.group(1, 3, 2),
page)
else:
return "" # no sense double-scanning non-package pages
def process_index(self, url, page):
"""Process the contents of a PyPI page
Override: don't lowercase package name
"""
def scan(link):
# Process a URL to see if it's for a package page
if link.startswith(self.index_url):
parts = map(urllib2.unquote, link[len(self.index_url) :].split("/"))
if len(parts) == 2 and "#" not in parts[1]:
# it's a package page, sanitize and index it
pkg = safe_name(parts[0])
ver = safe_version(parts[1])
# changed "pkg.lower()" to "pkg"
self.package_pages.setdefault(pkg, {})[link] = True
return to_filename(pkg), to_filename(ver)
return None, None
# process an index page into the package-page index
for match in HREF.finditer(page):
try:
scan(urlparse.urljoin(url, htmldecode(match.group(1))))
except ValueError:
pass
pkg, ver = scan(url) # ensure this page is in the page index
if pkg:
# process individual package page
for new_url in find_external_links(url, page):
# Process the found URL
base, frag = egg_info_for_url(new_url)
if base.endswith(".py") and not frag:
if ver:
new_url += "#egg=%s-%s" % (pkg, ver)
else:
self.need_version_info(url)
self.scan_url(new_url)
return PYPI_MD5.sub(lambda m: '<a href="%s#md5=%s">%s</a>' % m.group(1, 3, 2), page)
else:
return "" # no sense double-scanning non-package pages
def process_url(self, url, retrieve=False):
"""Evaluate a URL as a possible download, and maybe retrieve it"""
if url in self.scanned_urls and not retrieve:
return
self.scanned_urls[url] = True
if not URL_SCHEME(url):
self.process_filename(url)
return
else:
dists = list(distros_for_url(url))
if dists:
if not self.url_ok(url):
return
self.debug("Found link: %s", url)
if dists or not retrieve or url in self.fetched_urls:
list(map(self.add, dists))
return # don't need the actual page
if not self.url_ok(url):
self.fetched_urls[url] = True
return
self.info("Reading %s", url)
self.fetched_urls[url] = True # prevent multiple fetch attempts
tmpl = "Download error on %s: %%s -- Some packages may not be found!"
f = self.open_url(url, tmpl % url)
if f is None:
return
if isinstance(f, urllib.error.HTTPError) and f.code == 401:
self.info("Authentication error: %s" % f.msg)
self.fetched_urls[f.url] = True
if 'html' not in f.headers.get('content-type', '').lower():
f.close() # not html, we can't process it
return
base = f.url # handle redirects
page = f.read()
# --- LOCAL CHANGES MADE HERE: ---
if isinstance(page, six.text_type):
page = page.encode('utf8')
charset = 'utf8'
else:
if isinstance(f, urllib.error.HTTPError):
# Errors have no charset, assume latin1:
charset = 'latin-1'
else:
try:
charset = f.headers.get_param('charset') or 'latin-1'
except AttributeError:
# Python 2
charset = f.headers.getparam('charset') or 'latin-1'
try:
html_page = HTMLPage(page, charset, base, cache_link_parsing=False)
except TypeError:
html_page = HTMLPage(page, charset, base)
# https://github.com/buildout/buildout/issues/598
# use_deprecated_html5lib is a required addition in pip 22.
try:
plinks = parse_links(html_page, use_deprecated_html5lib=False)
except TypeError:
plinks = parse_links(html_page)
plinks = list(plinks)
pip_links = [l.url for l in plinks]
# --- END OF LOCAL CHANGES ---
if not isinstance(page, str):
# In Python 3 and got bytes but want str.
page = page.decode(charset, "ignore")
f.close()
# --- LOCAL CHANGES MADE HERE: ---
links = []
for match in HREF.finditer(page):
link = urllib.parse.urljoin(base, htmldecode(match.group(1)))
links.append(_clean_link(link))
# TODO: remove assertion and double index page parsing before releasing.
assert set(pip_links) == set(links)
for link in plinks:
if _check_link_requires_python(link, PY_VERSION_INFO):
self.process_url(link.url)
# --- END OF LOCAL CHANGES ---
if url.startswith(self.index_url) and getattr(f, 'code', None) != 404:
page = self.process_index(url, page)