File otp-make-subpackages.py of Package erlang-otp18
import glob
import os
import re
import rpm
import sys
ts = rpm.TransactionSet()
packages = []
for arg in sys.argv[1:]:
packages += glob.glob(arg)
erlang_provides = {}
erlang_requires = {}
package_names = []
package_headers = {}
##
## Custom tweaks begins here
##
# These packages should be marked as noarch
package_noarch = [
"emacs-erlang",
"emacs-erlang-el",
"erlang-doc",
"xemacs-erlang",
"xemacs-erlang-el"]
# These are additional Requires which cannot be picked up automatically (yet).
# TODO these should be added automatically
package_additional_requires = {
"emacs-erlang": ["emacs-common-erlang = %{version}-%{release}", "emacs(bin) >= %{_emacs_version}" ],
"emacs-erlang-el": ["emacs-erlang = %{version}-%{release}"],
"erlang-dialyzer": ["graphviz"],
"erlang-erl_interface": ["%{name}-erts%{?_isa} = %{version}-%{release}"],
# This library (lksctp-tools) is dlopened so it can't be picked
# up automatically by the RPM dependency checker
"erlang-erts": ["lksctp-tools"],
"erlang-gs": ["tk"],
# Stores files/links in /usr/share/java so has to depend on jpackage-utils
"erlang-ic": ["jpackage-utils"],
# Stores files/links in /usr/share/java so has to depend on jpackage-utils
"erlang-jinterface": ["%{name}-erts%{?_isa} = %{version}-%{release}", "jpackage-utils"],
"erlang-wx": ["mesa-libGL", "mesa-libGLU"],
"xemacs-erlang": ["emacs-common-erlang = %{version}-%{release}", "xemacs(bin) >= %{_xemacs_version}"],
"xemacs-erlang-el": ["xemacs-erlang = %{version}-%{release}"]
}
package_additional_buildrequires = {
"emacs-erlang": ["emacs", "emacs-el"],
"erlang-crypto": ["openssl-devel"],
"erlang-diameter": ["ed"],
# BEWARE. No fop for EPEL5, and only for x86/x86_64 in EPEL6,
# so we cannot regenerate docs here. (Un)Fortunately we dropped
# support for EPEL6 and older versions.
# FIXME add bootstrap condition first.
"erlang-doc": ["fop", "libxslt"],
"erlang-erts": ["lksctp-tools-devel", "m4", "ncurses-devel", "zlib-devel"],
"erlang-gs": ["tcl-devel", "tk-devel"],
# in EPEL6 on arches different from %{ix86} x86_64 we have to
# use java-devel-gcj, so technically this requirement makes it
# impossible to build Java support there. (Un)Fortunately we
# already dropped full support for EPEL6 and older versions.
"erlang-ic": ["java-devel"],
"erlang-jinterface": ["java-devel"],
"erlang-odbc": ["unixODBC-devel"],
"erlang-wx": ["wxGTK-devel"],
"xemacs-erlang": ["xemacs", "xemacs-packages-extra-el"],
}
package_additional_obsoletes = {
"erlang-erts": [
"erlang-appmon",
"erlang-docbuilder",
"erlang-inviso",
"erlang-pman",
"erlang-toolbar",
"erlang-tv"],
}
##
## Custom tweaks ends here
##
# To match 'erlang(asn1ct_eval_ext:transform_to_EXTERNAL1994/1)'
prog = re.compile("^erlang(.*:.*/\d+)")
rpmmask = re.compile(".*\.rpm")
# iterate over all rpms
for package in sorted([p for p in packages if rpmmask.match(p)]):
# A tricky part. We are processing packages, rebuilt with
# %{__erlang_provides_requires}. Otherwise we won't get information
# about imports/exports (until we learn how to parse Erlang BEAM file
# headers with Python.
fd = os.open(package, os.O_RDONLY)
h = ts.hdrFromFdno(fd)
os.close(fd)
rpm_name = h[rpm.RPMTAG_NAME]
# Let's calculate provides
# We'll create dictionary to speedup future use
# FIXME duplicate provides
local_provides = [p for p in h[rpm.RPMTAG_PROVIDENAME] if prog.match(p)]
erlang_provides.update({k: rpm_name for k in local_provides})
# Let's calculate requires
erlang_requires.update({rpm_name: [r for r in h[rpm.RPMTAG_REQUIRENAME] if prog.match(r) and not r in local_provides]})
package_headers.update({rpm_name: h})
package_names.append(rpm_name)
namemask = re.compile("^erlang-[a-zA-Z0-9_]*$")
print "### BEGIN OF AUTOGENERATED LIST ###"
print ""
for name in package_names:
h = package_headers[name]
if name == "erlang-doc":
# Additional ifdef just for this sub-package (see below)
print "%if %{with doc}"
if namemask.match(name):
print "%%package %s" % name.replace("erlang-", "")
else:
print "%%package -n %s" % name
print "Summary: %s" % h[rpm.RPMTAG_SUMMARY]
print "Group: %s" % h[rpm.RPMTAG_GROUP]
rawdeps = [erlang_provides.get(r, "Error: missing requires: %s" % r) for r in erlang_requires[name]]
deps = set()
dependency_add = deps.add
[x for x in rawdeps if not (x in deps or dependency_add(x))]
# Additional BuildRequires (if any):
for br in package_additional_buildrequires.get(name, []):
print "BuildRequires: %s" % br
# Add basic autogenerated Requires:
for r in sorted(deps):
#Requires: %{name}-stdlib%{?_isa} = %{version}-%{release}
print "Requires: %s%%{?_isa} = %%{version}-%%{release}" % r.replace("erlang-", "%{name}-")
# Add custom additional Requires (if any):
for r in package_additional_requires.get(name, []):
print "Requires: %s" % r
# Add custom additional Obsoletes (if any):
for os in package_additional_obsoletes.get(name, []):
print "Obsoletes: %s" % os
if name in package_noarch:
print "BuildArch: noarch"
print ""
if namemask.match(name):
print "%%description %s" % name.replace("erlang-", "")
else:
print "%%description -n %s" % name
print "%s" % h[rpm.RPMTAG_DESCRIPTION]
if name == "erlang-doc":
# Additional ifdef just for this sub-package (see above)
print "%endif"
print ""
print "### END OF AUTOGENERATED LIST ###"