[bug#39841] [WIP PATCH] synapse

[Alex ter Weele <alex.ter.weele@gmail.com>]

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Hello,

These are some patches to add Synapse
<https://github.com/matrix-org/synapse>.

I would appreciate some help getting the tests to run for some of the
Python dependencies, they're marked with TODOs.

Synapse appears to have some optional dependencies. I haven't packaged
all of them. The remaining ones are also marked with TODOs.

But, it seems to run! Here's what I had to do to start it:

guix environment guix -- make -j4 && ./pre-inst-env guix environment synapse

cd ~/src/synapse/

python -m synapse.app.homeserver --server-name test.local --config-path /tmp/homeserver.yaml --generate-config --report-stats=no

exit

guix environment guix -- make -j4 && ./pre-inst-env guix environment --ad-hoc synapse -- synctl --no-daemonize start /tmp/homeserver.yaml



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From 713a8bf6905ccd49ff53a5a06526816ca0a98535 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:03:02 -0600
Subject: [PATCH 01/12] gnu: python-typing-extensions: Update to 3.7.4.1.

* gnu/packages/python-xyz (python-typing-extensions): Update to 3.7.4.1.
---
 gnu/packages/python-xyz.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 4ea09b756e..abd3ff775a 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -14907,14 +14907,14 @@ and other tools.")
 (define-public python-typing-extensions
   (package
     (name "python-typing-extensions")
-    (version "3.7.2")
+    (version "3.7.4.1")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "typing_extensions" version))
        (sha256
         (base32
-         "0wfsv71pvkyf2na938l579jh0v3kzl6g744ijgnahcwd4d9x0b7v"))))
+         "1wj1vcgbnm20aiinmphyxfrbv3qi9xdhvw89ab3qm42y9n4wq7h9"))))
     (build-system python-build-system)
     (home-page
      "https://github.com/python/typing/blob/master/typing_extensions/README.rst")
-- 
2.25.1


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From 7a9128fe9a1199349557f6a442ed410b099fe049 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:06:27 -0600
Subject: [PATCH 02/12] gnu: Add python-frozendict.

* gnu/packages/python-xyz.scm (python-frozendict): New variable.
---
 gnu/packages/python-xyz.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index abd3ff775a..9007c4f3fa 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17576,3 +17576,22 @@ sequences.")
 
 (define-public python2-fuzzywuzzy
   (package-with-python2 python-fuzzywuzzy))
+
+(define-public python-frozendict
+  (package
+    (name "python-frozendict")
+    (version "1.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "frozendict" version))
+       (sha256
+        (base32 "0ibf1wipidz57giy53dh7mh68f2hz38x8f4wdq88mvxj5pr7jhbp"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/slezica/python-frozendict")
+    (synopsis "A simple immutable mapping for python")
+    (description
+     "frozendict is an immutable wrapper around dictionaries that implements
+the complete mapping interface. It can be used as a drop-in replacement for
+dictionaries where immutability is desired.")
+    (license license:expat)))
-- 
2.25.1


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From 6efc1c329f39fc9290601b368dde4e5283397563 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:07:34 -0600
Subject: [PATCH 03/12] gnu: Add python-unpaddedbase64.

* gnu/packages/python-xyz.scm (python-unpaddedbase64): New variable.
---
 gnu/packages/python-xyz.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 9007c4f3fa..847a4fe7e0 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17595,3 +17595,26 @@ sequences.")
 the complete mapping interface. It can be used as a drop-in replacement for
 dictionaries where immutability is desired.")
     (license license:expat)))
+
+(define-public python-unpaddedbase64
+  (package
+    (name "python-unpaddedbase64")
+    (version "1.1.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/matrix-org/python-unpaddedbase64.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0if3fjfxga0bwdq47v77fs9hrcqpmwdxry2i2a7pdqsp95258nxd"))))
+    (build-system python-build-system)
+    (home-page "https://pypi.org/project/unpaddedbase64/")
+    (synopsis "Encode and decode Base64 without “=” padding.")
+    (description
+     "RFC 4648 specifies that Base64 should be padded to a multiple of 4 bytes
+using “=” characters. However this conveys no benefit so many protocols choose
+to use Base64 without the “=” padding.")
+    (license license:asl2.0)))
-- 
2.25.1


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From 85cfe8b9df96aa7b500ee88baa274310a8ab0e20 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:08:29 -0600
Subject: [PATCH 04/12] gnu: Add python-canonicaljson.

* gnu/packages/python-xyz.scm (python-canonicaljson): New variable.
---
 gnu/packages/python-xyz.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 847a4fe7e0..5b401a0ad3 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17618,3 +17618,33 @@ dictionaries where immutability is desired.")
 using “=” characters. However this conveys no benefit so many protocols choose
 to use Base64 without the “=” padding.")
     (license license:asl2.0)))
+
+(define-public python-canonicaljson
+  (package
+    (name "python-canonicaljson")
+    (version "1.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "canonicaljson" version))
+       (sha256
+        (base32 "09cpacc8yvcc74i63pdmlfaahh77dnvbyw9zf29wml2zzwqfbg25"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-six" ,python-six)
+       ("python-frozendict" ,python-frozendict)
+       ("python-simplejson" ,python-simplejson)))
+    (home-page "https://github.com/matrix-org/python-canonicaljson")
+    (synopsis "Canonical JSON")
+    (description
+     "@enumerate
+@item Encodes objects and arrays as RFC 7159 JSON.
+@item Sorts object keys so that you get the same result each time.
+@item Has no insignificant whitespace to make the output as small as possible.
+@item Escapes only the characters that must be escaped, U+0000 to
+ U+0019 / U+0022 / U+0056, to keep the output as small as possible.
+@item Uses the shortest escape sequence for each escaped character.
+@item Encodes the JSON as UTF-8.
+@item Can encode frozendict immutable dictionaries.
+@end enumerate ")
+    (license license:asl2.0)))
-- 
2.25.1


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From f071df94857709c1bb586463ad28e58cc940bfaf Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:09:58 -0600
Subject: [PATCH 05/12] gnu: Add python-signedjson.

* gnu/packages/python-xyz.scm (python-signedjson): New variable.
---
 gnu/packages/python-xyz.scm | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 5b401a0ad3..7200b3218e 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17648,3 +17648,40 @@ to use Base64 without the “=” padding.")
 @item Can encode frozendict immutable dictionaries.
 @end enumerate ")
     (license license:asl2.0)))
+
+(define-public python-signedjson
+  (package
+    (name "python-signedjson")
+    (version "1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "signedjson" version))
+       (sha256
+        (base32 "13wfi50wzz38j6xsz7hmx26vf0zvk0fj7516wavzpsyfk9xy3g5v"))))
+    (build-system python-build-system)
+    (arguments
+     ;; TODO "AttributeError: type object 'Callable' has no attribute
+     ;; '_abc_registry'"
+     `(#:tests? #f))
+    (inputs
+     `(("python-canonicaljson" ,python-canonicaljson)
+       ("python-unpaddedbase64" ,python-unpaddedbase64)
+       ("python-pynacl" ,python-pynacl)
+       ("python-typing-extensions" ,python-typing-extensions)
+       ("python-typing" ,python-typing)))
+    (native-inputs
+     `(("python-simplejson" ,python-simplejson)
+       ("python-frozendict" ,python-frozendict)))
+    (home-page "https://github.com/matrix-org/python-signedjson")
+    (synopsis "Sign JSON objects with ED25519 signatures")
+    (description
+     "@enumerate
+@item More than one entity can sign the same object.
+@item Each entity can sign the object with more than one key making it easier to
+rotate keys
+@item ED25519 can be replaced with a different algorithm.
+@item Unprotected data can be added to the object under the @dfn{\"unsigned\"}
+key.
+@end enumerate")
+    (license license:asl2.0)))
-- 
2.25.1


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From 420e1f58df9d5f8d39d39fff97cea0f592607afa Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:10:35 -0600
Subject: [PATCH 06/12] gnu: Add python-daemonize.

* gnu/packages/python-xyz.scm (python-daemonize): New variable.
---
 gnu/packages/python-xyz.scm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 7200b3218e..58cc7c197d 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17685,3 +17685,19 @@ rotate keys
 key.
 @end enumerate")
     (license license:asl2.0)))
+
+(define-public python-daemonize
+  (package
+    (name "python-daemonize")
+    (version "2.5.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "daemonize" version))
+       (sha256
+        (base32 "1hwbl3gf9fdds9sc14zgjyjisjvxidrvqc11xlbb0b6jz17nw0nx"))))
+    (build-system python-build-system)
+    (home-page "https://github.com/thesharp/daemonize")
+    (synopsis "A library for writing system daemons in Python")
+    (description "daemonize is a library for writing system daemons in Python.")
+    (license license:expat)))
-- 
2.25.1


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From 290caa3269f9cfc121af8350d223089925c9b801 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:11:11 -0600
Subject: [PATCH 07/12] gnu: Add python-pymacaroons.

* gnu/packages/python-xyz.scm (python-pymacaroons): New variable.
---
 gnu/packages/python-xyz.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 58cc7c197d..7d8653a99d 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17701,3 +17701,30 @@ key.
     (synopsis "A library for writing system daemons in Python")
     (description "daemonize is a library for writing system daemons in Python.")
     (license license:expat)))
+
+(define-public python-pymacaroons
+  (package
+    (name "python-pymacaroons")
+    (version "0.13.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "pymacaroons" version))
+       (sha256
+        (base32 "1f0357a6g1h96sk6wy030xmc1p4rd80a999qvxd28v7nlm1blsqy"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-six" ,python-six)
+       ("python-pynacl" ,python-pynacl)))
+    (home-page "https://github.com/ecordell/pymacaroons")
+    (synopsis "A Python Macaroon Library")
+    (description
+     "Macaroons, like cookies, are a form of bearer credential. Unlike opaque
+tokens, macaroons embed caveats that define specific authorization
+requirements for the target service, the service that issued the root macaroon
+and which is capable of verifying the integrity of macaroons it receives.
+
+Macaroons allow for delegation and attenuation of authorization. They are
+simple and fast to verify, and decouple authorization policy from the
+enforcement of that policy.")
+    (license license:expat)))
-- 
2.25.1


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From 87db6e10a67ad872ad9de6dcf4c9e6cc5a57ab15 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:11:35 -0600
Subject: [PATCH 08/12] gnu: Add python-prometheus-client.

* gnu/packages/python-xyz.scm (python-prometheus-client): New variable.
---
 gnu/packages/python-xyz.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 7d8653a99d..ee7f4cd239 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17728,3 +17728,26 @@ Macaroons allow for delegation and attenuation of authorization. They are
 simple and fast to verify, and decouple authorization policy from the
 enforcement of that policy.")
     (license license:expat)))
+
+(define-public python-prometheus-client
+  (package
+    (name "python-prometheus-client")
+    (version "0.7.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "prometheus_client" version))
+       (sha256
+        (base32 "1ni2yv4ixwz32nz39ckia76lvggi7m19y5f702w5qczbnfi29kbi"))))
+    (build-system python-build-system)
+    (arguments
+     ;; TODO "ModuleNotFoundError: No module named 'tests'"
+     `(#:tests? #f))
+    (inputs
+     `(("python-twisted" ,python-twisted)))
+    (native-inputs
+     `(("python-tox" ,python-tox)))
+    (home-page "https://github.com/prometheus/client_python")
+    (synopsis "Prometheus instrumentation library for Python applications")
+    (description "The official Python 2 and 3 client for Prometheus.")
+    (license license:asl2.0)))
-- 
2.25.1


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From 8bb5a61b0e865a4bb31ccba7777a964e51d51fc7 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:12:08 -0600
Subject: [PATCH 09/12] gnu: Add python-ldap3.

* gnu/packages/python-xyz.scm (python-ldap3): New variable.
---
 gnu/packages/python-xyz.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index ee7f4cd239..8313d620de 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17751,3 +17751,27 @@ enforcement of that policy.")
     (synopsis "Prometheus instrumentation library for Python applications")
     (description "The official Python 2 and 3 client for Prometheus.")
     (license license:asl2.0)))
+
+(define-public python-ldap3
+  (package
+    (name "python-ldap3")
+    (version "2.6.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "ldap3" version))
+       (sha256
+        (base32 "0ag5xqlki6pjk3f50b8ar8vynx2fmkna7rfampv3kdgwg8z6gjr7"))))
+    (build-system python-build-system)
+    (arguments
+     ;; TODO "ImportError: Failed to import test module: ordDict"
+     `(#:tests? #f))
+    (inputs
+     `(("python-pyasn1" ,python-pyasn1)
+       ("python-gssapi" ,python-gssapi)))
+    (home-page "https://github.com/ecordell/ldap3")
+    (synopsis "A strictly RFC 4510 conforming LDAP V3 pure Python client.")
+    (description
+     "ldap3 is a strictly RFC 4510 conforming LDAP V3 pure Python client
+library. The same codebase runs in Python 2, Python 3, PyPy and PyPy3.")
+    (license license:lgpl3+)))
-- 
2.25.1


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From 6385d8d65cf0022b6f893b8fc3e8216d942a629a Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:13:26 -0600
Subject: [PATCH 10/12] gnu: Add python-txacme.

* gnu/packages/python-xyz.scm (python-txacme): New variable.
---
 gnu/packages/python-xyz.scm | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 8313d620de..8735a6c220 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -17775,3 +17775,31 @@ enforcement of that policy.")
      "ldap3 is a strictly RFC 4510 conforming LDAP V3 pure Python client
 library. The same codebase runs in Python 2, Python 3, PyPy and PyPy3.")
     (license license:lgpl3+)))
+
+(define-public python-txacme
+  (package
+    (name "python-txacme")
+    (version "0.9.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "txacme" version))
+       (sha256
+        (base32 "1cplx4llq7i508w6fgwjdv9di7rsz9k9irfmzdfbiz6q6a0ykf1d"))))
+    (build-system python-build-system)
+    (inputs
+     ;; TODO many unpackaged inputs needed
+     `())
+    (home-page "https://github.com/twisted/txacme")
+    (synopsis
+     "Twisted implementation of the Automatic Certificate Management
+Environment (ACME) protocol")
+    (description
+     "ACME is Automatic Certificate Management Environment, a protocol that
+allows clients and certificate authorities to automate verification and
+certificate issuance. The ACME protocol is used by the free Let's Encrypt
+Certificate Authority.
+
+txacme is an implementation of the protocol for Twisted, the event-driven
+networking engine for Python.")
+    (license license:expat)))
-- 
2.25.1


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From 0b37dabdf6691b314a89c099cbf0e97c7d2c202e Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:19:28 -0600
Subject: [PATCH 11/12] gnu: Add python-matrix-synapse-ldap3.

* gnu/packages/matrix.scm: New file. (python-matrix-synapse-ldap3) New
  variable.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add matrix.scm.
---
 gnu/local.mk            |  1 +
 gnu/packages/matrix.scm | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 gnu/packages/matrix.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 857345cfad..5c87561eaf 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -340,6 +340,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/marst.scm			\
   %D%/packages/mate.scm             \
   %D%/packages/maths.scm			\
+  %D%/packages/matrix.scm			\
   %D%/packages/maven.scm			\
   %D%/packages/mc.scm				\
   %D%/packages/mcrypt.scm			\
diff --git a/gnu/packages/matrix.scm b/gnu/packages/matrix.scm
new file mode 100644
index 0000000000..83c314ffe4
--- /dev/null
+++ b/gnu/packages/matrix.scm
@@ -0,0 +1,33 @@
+(define-module (gnu packages matrix)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages python-crypto)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (guix build-system python)
+  #:use-module (guix download)
+  #:use-module (guix packages))
+
+(define-public python-matrix-synapse-ldap3
+  (package
+    (name "python-matrix-synapse-ldap3")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "matrix-synapse-ldap3" version))
+       (sha256
+        (base32
+         "01bms89sl16nyh9f141idsz4mnhxvjrc3gj721wxh1fhikps0djx"))))
+    (build-system python-build-system)
+    (arguments
+     ;; tests require synapse, creating a circular dependency.
+     '(#:tests? #f))
+    (inputs
+     `(("python-twisted" ,python-twisted)
+       ("python-ldap3" ,python-ldap3)
+       ("python-service-identity" ,python-service-identity)))
+    (home-page "https://github.com/matrix-org/matrix-synapse-ldap3")
+    (synopsis "An LDAP3 auth provider for Synapse")
+    (description
+     "Allows synapse to use LDAP as a password provider. This allows users to
+log in to synapse with their username and password from an LDAP server.")
+    (license license:asl2.0)))
-- 
2.25.1


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From 60769229bc80fcd800e5a4a325c4dcdf7591ae21 Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Sat, 29 Feb 2020 11:22:06 -0600
Subject: [PATCH 12/12] gnu: Add synapse.

* gnu/packages/matrix.scm (synapse): New variable.
---
 gnu/packages/matrix.scm | 70 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/gnu/packages/matrix.scm b/gnu/packages/matrix.scm
index 83c314ffe4..93ec726465 100644
--- a/gnu/packages/matrix.scm
+++ b/gnu/packages/matrix.scm
@@ -1,7 +1,11 @@
 (define-module (gnu packages matrix)
   #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages databases)
   #:use-module (gnu packages python-crypto)
+  #:use-module (gnu packages python-web)
   #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages xml)
   #:use-module (guix build-system python)
   #:use-module (guix download)
   #:use-module (guix packages))
@@ -31,3 +35,69 @@
      "Allows synapse to use LDAP as a password provider. This allows users to
 log in to synapse with their username and password from an LDAP server.")
     (license license:asl2.0)))
+
+(define-public synapse
+  (package
+    (name "synapse")
+    (version "1.11.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "matrix-synapse" version))
+              (sha256
+               (base32
+                "0cqbwcz0fi4w413s1kcxvf696qi4n46n1k4ggnygqri5yq26qlfy"))))
+    (build-system python-build-system)
+    ;; TODO I think there are custom tests
+    (inputs
+     `(("python-simplejson" ,python-simplejson) ; not attested but required
+       ;; requirements (synapse/python_dependencies.py)
+       ("python-jsonschema" ,python-jsonschema)
+       ("python-frozendict" ,python-frozendict)
+       ("python-unpaddedbase64" ,python-unpaddedbase64)
+       ("python-canonicaljson" ,python-canonicaljson)
+       ("python-signedjson" ,python-signedjson)
+       ("python-pynacl" ,python-pynacl)
+       ("python-idna" ,python-idna)
+       ("python-service-identity" ,python-service-identity)
+       ("python-twisted" ,python-twisted)
+       ("python-treq" ,python-treq)
+       ("python-pyopenssl" ,python-pyopenssl)
+       ("python-pyyaml" ,python-pyyaml)
+       ("python-pyasn1" ,python-pyasn1)
+       ("python-pyasn1-modules" ,python-pyasn1-modules)
+       ("python-daemonize" ,python-daemonize)
+       ("python-bcrypt" ,python-bcrypt)
+       ("python-pillow" ,python-pillow)
+       ("python-sortedcontainers" ,python-sortedcontainers)
+       ("python-pymacaroons" ,python-pymacaroons)
+       ("python-msgpack" ,python-msgpack)
+       ("python-phonenumbers" ,python-phonenumbers)
+       ("python-six" ,python-six)
+       ("python-prometheus-client" ,python-prometheus-client)
+       ("python-attrs" ,python-attrs)
+       ("python-netaddr" ,python-netaddr)
+       ("python-jinja2" ,python-jinja2)
+       ("python-bleach" ,python-bleach)
+       ("python-typing-extensions" ,python-typing-extensions)
+       ;; conditional requirements (synapse/python_dependencies.py)
+       ("python-matrix-synapse-ldap3" ,python-matrix-synapse-ldap3)
+       ("python-psycopg2" ,python-psycopg2)
+       ("python-jinja2" ,python-jinja2)
+       ;; TODO txacme, eliot, pysaml2
+       ("python-lxml" ,python-lxml)
+       ;; TODO sentry-sdk, jaeger-client, opentracing
+       ("python-pyjwt" ,python-pyjwt)
+       ))
+    (native-inputs
+     `(("python-mock" ,python-mock)
+       ("python-parameterized" ,python-parameterized)))
+    (home-page "https://github.com/matrix-org/synapse")
+    (synopsis "Matrix reference homeserver")
+    (description "Synapse is a reference \"homeserver\" implementation of
+Matrix from the core development team at matrix.org, written in
+Python/Twisted. It is intended to showcase the concept of Matrix and let folks
+see the spec in the context of a codebase and let you run your own homeserver
+and generally help bootstrap the ecosystem.")
+    (license license:asl2.0)))
+
+
-- 
2.25.1