[PATCH] Add sympy, scikit-image, pandas, seaborn.

[Ricardo Wurmus]

Hi Guix,

attached are package definitions for four scientific Python modules.

~~ Ricardo

>From 6b403eda6e4ba959ef01a1b688b22d303882658e Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Wed, 29 Apr 2015 15:03:24 +0200
Subject: [PATCH 1/4] gnu: Add python-sympy.

* gnu/packages/python.scm (python-sympy, python2-sympy): New variables.
---
 gnu/packages/python.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 29b47f3..98be765 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -3446,6 +3446,32 @@ providing a clean and modern domain specific 
specification language (DSL) in
 Python style, together with a fast and comfortable execution environment.")
     (license license:expat)))
 
+(define-public python-sympy
+  (package
+    (name "python-sympy")
+    (version "0.7.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/sympy/sympy/releases/download/sympy-";
+             version "/sympy-" version ".tar.gz"))
+       (sha256
+        (base32 "19yp0gy4i7p4g6l3b8vaqkj9qj7yqb5kqy0qgbdagpzgkdz958yz"))))
+    (build-system python-build-system)
+    (native-inputs
+     `(("python-setuptools" ,python-setuptools)))
+    (home-page "http://www.sympy.org/";)
+    (synopsis "Python library for symbolic mathematics")
+    (description
+     "SymPy is a Python library for symbolic mathematics.  It aims to become a
+full-featured computer algebra system (CAS) while keeping the code as simple
+as possible in order to be comprehensible and easily extensible.")
+    (license bsd-3)))
+
+(define-public python2-sympy
+  (package-with-python2 python-sympy))
+
 (define-public python-testlib
   (package
     (name "python-testlib")
-- 
2.1.0

>From 7dab1d810e19c185b8afc756e22dd54e8bcd3ca0 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Wed, 29 Apr 2015 15:04:09 +0200
Subject: [PATCH 2/4] gnu: Add python-scikit-image.

* gnu/packages/python.scm (python-scikit-image, python2-scikit-image): New
  variables.
---
 gnu/packages/python.scm | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 98be765..0289697 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -2065,6 +2065,42 @@ mining and data analysis.")
             (alist-delete
              "python-scipy" (package-propagated-inputs scikit))))))))
 
+(define-public python-scikit-image
+  (package
+    (name "python-scikit-image")
+    (version "0.11.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"https://pypi.python.org/packages/source/s/scikit-image/scikit-image-";
+             version ".tar.gz"))
+       (sha256
+        (base32 "0jz416fqvpahqyffw8plmszzfj669w8wvf3y9clnr5lr6a7md3kn"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-matplotlib" ,python-matplotlib)
+       ("python-networkx" ,python-networkx)
+       ("python-numpy" ,python-numpy)
+       ("python-scipy" ,python-scipy)
+       ("python-six" ,python-six)
+       ("python-pillow" ,python-pillow)))
+    (native-inputs
+     `(("python-cython" ,python-cython)
+       ("python-setuptools" ,python-setuptools)))
+    (home-page "http://scikit-image.org/";)
+    (synopsis "Image processing in Python")
+    (description
+     "scikit-image is a collection of algorithms for image processing.")
+    (license bsd-3)))
+
+(define-public python2-scikit-image
+  (let ((scikit-image (package-with-python2 python-scikit-image)))
+    (package (inherit scikit-image)
+      (inputs `(("python2-mock" ,python2-mock)
+                ("python2-pytz" ,python2-pytz)
+                ,@(package-inputs scikit-image))))))
+
 (define-public python-cython
   (package
     (name "python-cython")
-- 
2.1.0

>From b1c795128c27183989df76f27ade11a7c4ba3ff8 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Wed, 29 Apr 2015 15:14:56 +0200
Subject: [PATCH 3/4] gnu: Add python-pandas.

* gnu/packages/python.scm (python-pandas, python2-pandas): New variables.
---
 gnu/packages/python.scm | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 0289697..e2ca01e 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -628,6 +628,44 @@ datetime module, available in Python 2.3+.")
      "Parse human-readable date/time text")
     (license asl2.0)))
 
+(define-public python-pandas
+  (package
+    (name "python-pandas")
+    (version "0.16.0")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://pypi.python.org/packages/source/p/";
+                          "pandas/pandas-" version ".tar.gz"))
+      (sha256
+       (base32 "1wfrp8dx1zcsry6f09ndza6qm1yr7f163211f4l9vjlnhxpxw4s0"))))
+    (build-system python-build-system)
+    (arguments
+     `(;; Three tests fail:
+       ;; - test_read_google
+       ;; - test_read_yahoo
+       ;; - test_month_range_union_tz_dateutil
+       #:tests? #f))
+    (inputs
+     `(("python-pytz" ,python-pytz)
+       ("python-numpy" ,python-numpy)
+       ("python-dateutil" ,python-dateutil-2)))
+    (native-inputs
+     `(("python-nose" ,python-nose)
+       ("python-setuptools" ,python-setuptools)))
+    (home-page "http://pandas.pydata.org";)
+    (synopsis "Data structures for data analysis, time series, and statistics")
+    (description
+     "Pandas is a Python package providing fast, flexible, and expressive data
+structures designed to make working with structured (tabular,
+multidimensional, potentially heterogeneous) and time series data both easy
+and intuitive.  It aims to be the fundamental high-level building block for
+doing practical, real world data analysis in Python.")
+    (license bsd-3)))
+
+(define-public python2-pandas
+  (package-with-python2 python-pandas))
+
 (define-public python-tzlocal
   (package
     (name "python-tzlocal")
-- 
2.1.0

>From e989d4f61cc71a2535bd713760efe93b985d0fb8 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Wed, 29 Apr 2015 15:19:38 +0200
Subject: [PATCH 4/4] gnu: Add python-seaborn.

* gnu/packages/python.scm (python-seaborn, python2-seaborn): New variables.
---
 gnu/packages/python.scm | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index e2ca01e..a4701aa 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -3520,6 +3520,41 @@ providing a clean and modern domain specific 
specification language (DSL) in
 Python style, together with a fast and comfortable execution environment.")
     (license license:expat)))
 
+(define-public python-seaborn
+  (package
+    (name "python-seaborn")
+    (version "0.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://pypi.python.org/packages/source/s/seaborn/seaborn-";
+             version ".tar.gz"))
+       (sha256
+        (base32 "1236abw18ijjglmv60q85ckqrvgf5qyy4zlq7nz5aqfg6q87z3wc"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-pandas" ,python-pandas)
+       ("python-numpy" ,python-numpy)
+       ("python-scipy" ,python-scipy)
+       ("python-matplotlib" ,python-matplotlib)))
+    (native-inputs
+     `(("python-setuptools" ,python-setuptools)))
+    (home-page "http://stanford.edu/~mwaskom/software/seaborn/";)
+    (synopsis "Statistical data visualization")
+    (description
+     "Seaborn is a library for making attractive and informative statistical
+graphics in Python.  It is built on top of matplotlib and tightly integrated
+with the PyData stack, including support for numpy and pandas data structures
+and statistical routines from scipy and statsmodels.")
+    (license bsd-3)))
+
+(define-public python2-seaborn
+  (let ((seaborn (package-with-python2 python-seaborn)))
+    (package (inherit seaborn)
+      (inputs `(("python2-pytz" ,python2-pytz)
+                ,@(package-inputs seaborn))))))
+
 (define-public python-sympy
   (package
     (name "python-sympy")
-- 
2.1.0