[bug#64134] [PATCH 00/17] Add some Python financial libraries.

[bug#64134] [PATCH 00/17] Add some Python financial libraries.

[Vinicius Monego]

This patchset adds some Python libraries related to finance and econometrics.

Vinicius Monego (17):
  gnu: Add python-holidays.
  gnu: Add python-multitasking.
  gnu: Add python-yfinance.
  gnu: Add python-pandas-datareader.
  gnu: Add python-ffn.
  gnu: Add python-bt.
  gnu: Add python-pyhdfe.
  gnu: Add python-interface-meta.
  gnu: Add python-arch.
  gnu: Add python-alpha-vantage.
  gnu: Add python-ascii-magic.
  gnu: Add python-degiro-connector.
  gnu: Add python-detecta.
  gnu: Add python-financedatabase.
  gnu: Add python-mstarpy.
  gnu: Add python-pandas-ta.
  gnu: Add python-vectorbt.

 gnu/packages/finance.scm        | 349 +++++++++++++++++++++++++++++++-
 gnu/packages/python-science.scm |  22 ++
 gnu/packages/python-xyz.scm     |  98 +++++++++
 gnu/packages/statistics.scm     |  20 ++
 4 files changed, 488 insertions(+), 1 deletion(-)

-- 
2.34.1

[bug#64134] [PATCH 01/17] gnu: Add python-holidays.

[Vinicius Monego]

* gnu/packages/python-xyz.scm (python-holidays): New variable.
---
 gnu/packages/python-xyz.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 9ba17c509b..51e6da8d21 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -30797,6 +30797,28 @@ (define-public python-csb43
 spreadsheet), CSV, TSV, XLS, XLSX (Microsoft Excel spreadsheet), and YAML.")
     (license license:lgpl3)))
 
+(define-public python-holidays
+  (package
+    (name "python-holidays")
+    (version "0.26")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "holidays" version))
+              (sha256
+               (base32
+                "05c999q41b41av061l1j6kk4ys0jcdpby0iqgmqzrj2ljwd43y73"))))
+    (build-system pyproject-build-system)
+    (native-inputs (list python-pytest))
+    (propagated-inputs (list python-dateutil))
+    (home-page "https://github.com/dr-prodigy/python-holidays")
+    (synopsis "Generate and work with holidays in Python")
+    (description
+     "This package provides a Python library for generating country- and
+subdivision- (e.g. state or province) specific sets of government-designated
+holidays on the fly.  It aims to make determining whether a specific date is
+a holiday as fast and flexible as possible.")
+    (license license:expat)))
+
 (define-public python-febelfin-coda
   (package
     (name "python-febelfin-coda")
-- 
2.34.1

[bug#64134] [PATCH 02/17] gnu: Add python-multitasking.

[Vinicius Monego]

* gnu/packages/python-xyz.scm (python-multitasking): New variable.
---
 gnu/packages/python-xyz.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 51e6da8d21..fe05cc16e4 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -30444,6 +30444,26 @@ (define-public python-cwcwidth
 functions defined in POSIX.1-2001 and POSIX.1-2008.")
     (license license:expat)))
 
+(define-public python-multitasking
+  (package
+    (name "python-multitasking")
+    (version "0.0.11")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "multitasking" version))
+              (sha256
+               (base32
+                "09k0rldyaj2jnplnmcy243vfinl81a2qg9xm5ykxrcprcp6c6ssd"))))
+    (build-system pyproject-build-system)
+    (arguments (list #:tests? #f)) ; no tests
+    (home-page "https://github.com/ranaroussi/multitasking")
+    (synopsis "Non-blocking Python methods using decorators")
+    (description
+     "@code{MultiTasking} is a tiny Python library lets you convert your
+Python methods into asynchronous, non-blocking methods simply by using a
+decorator.")
+    (license license:asl2.0)))
+
 (define-public python-pyan3
   (package
     (name "python-pyan3")
-- 
2.34.1

[bug#64134] [PATCH 03/17] gnu: Add python-yfinance.

[Vinicius Monego]

* gnu/packages/finance.scm (python-yfinance): New variable.
---
 gnu/packages/finance.scm | 43 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 2a4929ccd0..769742c015 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -19,7 +19,7 @@
 ;;; Copyright © 2020 Christine Lemmer-Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2020 Tom Zander <tomz@freedommail.ch>
 ;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
-;;; Copyright © 2020, 2021, 2022 Vinicius Monego <monego@posteo.net>
+;;; Copyright © 2020, 2021, 2022, 2023 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2020 Carlo Holl <carloholl@gmail.com>
 ;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
 ;;; Copyright © 2021 ZmnSCPxj jxPCSnmZ <ZmnSCPxj@protonmail.com>
@@ -1034,6 +1034,47 @@ (define-public python-mnemonic
 of Bitcoin BIP-0039.")
     (license license:expat)))
 
+(define-public python-yfinance
+  (package
+    (name "python-yfinance")
+    (version "0.2.20")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "yfinance" version))
+              (sha256
+               (base32
+                "0p8m2445vyanpc7dk3fcfqis66217zn5kswh9f0ryjn3c2x5zsdr"))))
+    (build-system python-build-system)
+    (arguments
+     (list #:tests? #f ;no tests in PyPI and they test the online API
+           #:phases #~(modify-phases %standard-phases
+                        ;; we have pytz==2022.1 and it's a core package
+                        (add-after 'unpack 'relax-pytz
+                          (lambda _
+                            (substitute* "setup.py"
+                              (("pytz>=2022.5")
+                               "pytz"))))
+                        ;; yfinance provides a sample script via entry_points
+                        ;; which breaks sanity-check.
+                        (delete 'sanity-check))))
+    (propagated-inputs (list python-appdirs
+                             python-beautifulsoup4
+                             python-cryptography
+                             python-frozendict
+                             python-html5lib
+                             python-lxml
+                             python-multitasking
+                             python-numpy
+                             python-pandas
+                             python-pytz
+                             python-requests))
+    (home-page "https://github.com/ranaroussi/yfinance")
+    (synopsis "Download market data from Yahoo! Finance API")
+    (description
+     "@code{yfinance} offers a threaded and Pythonic way to download market
+ data from Yahoo! finance.")
+    (license license:asl2.0)))
+
 (define-public python-u2flib-host
   ;; The package is obsolete and superseded by python-fido2, but
   ;; needed for python-ledgerblue@0.1.44.
-- 
2.34.1

[bug#64134] [PATCH 04/17] gnu: Add python-pandas-datareader.

[Vinicius Monego]

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

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 769742c015..7eaa5941a0 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1075,6 +1075,25 @@ (define-public python-yfinance
  data from Yahoo! finance.")
     (license license:asl2.0)))
 
+(define-public python-pandas-datareader
+  (package
+    (name "python-pandas-datareader")
+    (version "0.10.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "pandas-datareader" version))
+              (sha256
+               (base32
+                "19nmajs2cj0k2jz6r3z3hc1h49gn7x86s71zd311035w74ywdhwz"))))
+    (build-system pyproject-build-system)
+    (arguments (list #:tests? #f)) ;all tests depend on online data
+    (propagated-inputs (list python-lxml python-pandas python-requests))
+    (home-page "https://github.com/pydata/pandas-datareader")
+    (synopsis "Extract data from Internet sources into a pandas DataFrame")
+    (description
+     "This package provides up to date remote data access for Pandas.")
+    (license license:bsd-3)))
+
 (define-public python-u2flib-host
   ;; The package is obsolete and superseded by python-fido2, but
   ;; needed for python-ledgerblue@0.1.44.
-- 
2.34.1

[bug#64134] [PATCH 05/17] gnu: Add python-ffn.

[Vinicius Monego]

* gnu/packages/finance.scm (python-ffn): New variable.
---
 gnu/packages/finance.scm | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 7eaa5941a0..94f7b2111f 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -103,6 +103,7 @@ (define-module (gnu packages finance)
   #:use-module (gnu packages libunwind)
   #:use-module (gnu packages libusb)
   #:use-module (gnu packages linux)
+  #:use-module (gnu packages machine-learning)
   #:use-module (gnu packages man)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages mpi)
@@ -1094,6 +1095,41 @@ (define-public python-pandas-datareader
      "This package provides up to date remote data access for Pandas.")
     (license license:bsd-3)))
 
+(define-public python-ffn
+  (package
+    (name "python-ffn")
+    (version "0.3.7")
+    (source (origin
+               ;PyPI is missing files required for testing
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/pmorissette/ffn")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0rq6w2hbf8mcc9blrdf6aj7fnrcj0bvza2y4miznv3il9wqnpd6z"))))
+    (build-system pyproject-build-system)
+    (propagated-inputs (list python-decorator
+                             python-matplotlib
+                             python-numpy
+                             python-pandas
+                             python-pandas-datareader
+                             python-scikit-learn
+                             python-scipy
+                             python-tabulate
+                             python-yfinance))
+    (native-inputs (list python-black python-codecov python-flake8
+                         python-pytest python-pytest-cov))
+    (home-page "https://github.com/pmorissette/ffn")
+    (synopsis "Financial functions for Python")
+    (description
+     "@code{ffn} is a library that contains many useful functions
+ for those who work in quantitative finance.  It provides a vast array of
+utilities, from performance measurement and evaluation to graphing and common
+data transformations.")
+    (license license:expat)))
+
 (define-public python-u2flib-host
   ;; The package is obsolete and superseded by python-fido2, but
   ;; needed for python-ledgerblue@0.1.44.
-- 
2.34.1

[bug#64134] [PATCH 06/17] gnu: Add python-bt.

[Vinicius Monego]

* gnu/packages/finance.scm (python-bt): New variable.
---
 gnu/packages/finance.scm | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 94f7b2111f..23071828ff 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1130,6 +1130,45 @@ (define-public python-ffn
 data transformations.")
     (license license:expat)))
 
+(define-public python-bt
+  (package
+    (name "python-bt")
+    (version "0.2.9")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference ;; no tests in PyPI
+                    (url "https://github.com/pmorissette/bt")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0m5gh3s79pbg4f0si0ilxg4zrcm7xrb5wj8j205c6hpa88ybjrm7"))))
+    (build-system pyproject-build-system)
+    (propagated-inputs (list python-ffn python-pyprind))
+    (native-inputs (list python-black
+                         python-codecov
+                         python-coverage
+                         python-cython
+                         python-ffn
+                         python-flake8
+                         python-future
+                         python-matplotlib
+                         python-mock
+                         python-nose
+                         python-numpy
+                         python-pandas
+                         python-pyprind))
+    (home-page "https://github.com/pmorissette/bt")
+    (synopsis "Backtesting framework for Python")
+    (description
+     "@code{bt} is a flexible backtesting framework for Python used to test
+quantitative trading strategies.  Backtesting is the process of testing a
+strategy over a given data set.  This framework allows you to easily create
+strategies that mix and match different Algos.  It aims to foster the
+ creation of easily testable, re-usable and flexible blocks of strategy
+ logic to facilitate the rapid development of complex trading strategies.")
+    (license license:expat)))
+
 (define-public python-u2flib-host
   ;; The package is obsolete and superseded by python-fido2, but
   ;; needed for python-ledgerblue@0.1.44.
-- 
2.34.1

[bug#64134] [PATCH 07/17] gnu: Add python-pyhdfe.

[Vinicius Monego]

* gnu/packages/statistics.scm (python-pyhdfe): New variable.
---
 gnu/packages/statistics.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 67466ed3b9..9337a40f7b 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -6634,6 +6634,26 @@ (define-public r-languageserver
 completion.")
       (license license:expat))))
 
+(define-public python-pyhdfe
+  (package
+    (name "python-pyhdfe")
+    (version "0.1.2")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "pyhdfe" version))
+              (sha256
+               (base32
+                "0cl4i0irc13r5z73lasfwi75zq9wk56r93h26crm0r9ajb8fa1m9"))))
+    (build-system pyproject-build-system)
+    (propagated-inputs (list python-numpy python-scipy))
+    (native-inputs (list python-pytest python-pytest-xdist))
+    (home-page "https://github.com/jeffgortmaker/pyhdfe")
+    (synopsis "High dimensional fixed effect absorption")
+    (description
+     "PyHDFE is a Python 3 implementation of algorithms for absorbing high
+dimensional fixed effects.")
+     (license license:expat)))
+
 (define-public python-rpy2
   (package
     (name "python-rpy2")
-- 
2.34.1

[bug#64134] [PATCH 08/17] gnu: Add python-interface-meta.

[Vinicius Monego]

* gnu/packages/python-xyz.scm (python-interface-meta): 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 fe05cc16e4..4c1a5fb7c8 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -30274,6 +30274,25 @@ (define-public python-escapism
 result.")
     (license license:expat)))
 
+(define-public python-interface-meta
+  (package
+    (name "python-interface-meta")
+    (version "1.3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "interface_meta" version))
+              (sha256
+               (base32
+                "18brkmz2ssjikkrkb23cwccp683yi6y1alfdbmjvjgxpppw96i4a"))))
+    (build-system pyproject-build-system)
+    (native-inputs (list python-poetry-core python-pytest))
+    (home-page "https://github.com/matthewwardrop/interface_meta")
+    (synopsis "Expose an extensible API with enforced method signatures")
+    (description
+     "@code{interface_meta} provides a convenient way to expose an extensible
+API with enforced method signatures and consistent documentation.")
+    (license license:expat)))
+
 (define-public python-recommonmark
   (package
     (name "python-recommonmark")
-- 
2.34.1

[bug#64134] [PATCH 09/17] gnu: Add python-arch.

[Vinicius Monego]

* gnu/packages/finance.scm (python-arch): New variable.
---
 gnu/packages/finance.scm | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 23071828ff..9c18e103b7 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -125,6 +125,7 @@ (define-module (gnu packages finance)
   #:use-module (gnu packages security-token)
   #:use-module (gnu packages sphinx)
   #:use-module (gnu packages sqlite)
+  #:use-module (gnu packages statistics)
   #:use-module (gnu packages tex)
   #:use-module (gnu packages texinfo)
   #:use-module (gnu packages textutils)
@@ -1016,6 +1017,40 @@ (define-public trezor-gpg-pinentry-tk
 settings.")
     (license license:bsd-2)))
 
+(define-public python-arch
+  (package
+    (name "python-arch")
+    (version "6.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "arch" version))
+              (sha256
+               (base32
+                "15mr5rvxwpfhbj5lg85i9gqpvs37rjhifjzhcp512fg2i7yz3663"))))
+    (build-system pyproject-build-system)
+    (arguments
+     ;; Default check phase failed to detect conftest.py in the subdirectory.
+     (list #:phases #~(modify-phases %standard-phases
+                        (replace 'check
+                          (lambda* (#:key tests? #:allow-other-keys)
+                            (when tests?
+                              (invoke "python" "-m" "pytest"
+                                      "arch/tests" "-vv")))))))
+    (native-inputs (list python-cython python-pytest))
+    ;; XXX: It is preferrable to compile modules with Cython, however it fails
+    ;; without a hint.  Use Numba for now.  TODO: try to build with Cython.
+    (propagated-inputs (list python-numba
+                             python-numpy
+                             python-pandas
+                             python-scipy
+                             python-statsmodels))
+    (home-page "https://github.com/bashtage/arch")
+    (synopsis "ARCH for Python")
+    (description
+     "This package provides Autoregressive Conditional Heteroskedasticity
+(ARCH) and other tools for financial econometrics.")
+    (license license:expat)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 10/17] gnu: Add python-alpha-vantage.

[Vinicius Monego]

* gnu/packages/finance.scm (python-alpha-vantage): New variable.
---
 gnu/packages/finance.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 9c18e103b7..5a655e3dfa 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1051,6 +1051,27 @@ (define-public python-arch
 (ARCH) and other tools for financial econometrics.")
     (license license:expat)))
 
+(define-public python-alpha-vantage
+  (package
+    (name "python-alpha-vantage")
+    (version "2.3.1")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "alpha_vantage" version))
+              (sha256
+               (base32
+                "1v7vkd2rkz52lilprbpq3sj4yfpcjl0xksmcpndjz8p2qc46krqc"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f)) ;this is an API library (online tests)
+    (propagated-inputs (list python-aiohttp python-requests))
+    (home-page "https://github.com/RomelTorres/alpha_vantage")
+    (synopsis "Get stock data from the Alpha Vantage API")
+    (description
+     "This package provides a Python module to get stock data from the Alpha
+Vantage API.")
+    (license license:expat)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 11/17] gnu: Add python-ascii-magic.

[Vinicius Monego]

* gnu/packages/python-xyz.scm (python-ascii-magic): 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 4c1a5fb7c8..6f9566f64e 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -30766,6 +30766,43 @@ (define-public python-markuppy
 pythonic way.")
     (license license:expat)))
 
+(define-public python-ascii-magic
+  (package
+    (name "python-ascii-magic")
+    (version "2.3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "ascii_magic" version))
+              (sha256
+               (base32
+                "119xcjidizz5ig0xqwnxggv06fjsydlvca66rxffvpk7n4f1mm1y"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:test-flags #~(list "-k" (string-append
+                                      ;; Skip online and clipboard tests.
+                                      "not test_from_url"
+                                      " and not test_wrong_url"
+                                      " and not test_quick_test"
+                                      " and not test_from_clipboard"))
+           #:phases #~(modify-phases %standard-phases
+                        ;; Test files are in tests/ directory but pytest
+                        ;; runs in the source root, symlink to find them.
+                        (add-before 'check 'image-paths
+                          (lambda _
+                            (for-each (lambda (fname)
+                                        (symlink (format #f "tests/~a" fname)
+                                                 (format #f "~a" fname)))
+                                      '("chicken_transparent.png"
+                                        "kid.jpg" "lion.jpg" "moon.jpg")))))))
+    (native-inputs (list python-pytest))
+    (propagated-inputs (list python-colorama python-pillow))
+    (home-page "https://github.com/LeandroBarone/python-ascii_magic")
+    (synopsis "Converts pictures into ASCII art")
+    (description
+     "Ascii Magic is a Python package that converts images into ASCII art for
+terminals and HTML.")
+    (license license:expat)))
+
 (define-public python-tablib
   (package
     (name "python-tablib")
-- 
2.34.1

[bug#64134] [PATCH 12/17] gnu: Add python-degiro-connector.

[Vinicius Monego]

* gnu/packages/finance.scm (python-degiro-connector): New variable.
---
 gnu/packages/finance.scm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 5a655e3dfa..6149d667ed 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -122,6 +122,7 @@ (define-module (gnu packages finance)
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages qt)
   #:use-module (gnu packages readline)
+  #:use-module (gnu packages rpc)
   #:use-module (gnu packages security-token)
   #:use-module (gnu packages sphinx)
   #:use-module (gnu packages sqlite)
@@ -1072,6 +1073,38 @@ (define-public python-alpha-vantage
 Vantage API.")
     (license license:expat)))
 
+(define-public python-degiro-connector
+  (package
+    (name "python-degiro-connector")
+    (version "2.0.23")
+    (source (origin
+              (method git-fetch) ;no tests in PyPI
+              (uri (git-reference
+                    (url "https://github.com/Chavithra/degiro-connector")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1hd4689h31386qlqhznxq7jwpz1a4fnggk981byip2yh7gd6g0yz"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:test-flags #~(list "-m" "not network"
+                                ;; XXX: these tests failed, check why.
+                                "-k" (string-append
+                                      "not test_fixture_user_token"
+                                      " and not test_fixture_credentials"))))
+    (native-inputs (list python-poetry-core python-pytest python-pytest-mock))
+    (propagated-inputs (list python-grpcio
+                             python-onetimepass
+                             python-pandas
+                             python-protobuf
+                             python-requests
+                             python-wrapt))
+    (home-page "https://github.com/chavithra/degiro-connector")
+    (synopsis "Library to access Degiro's API")
+    (description "This package provides a library to access Degiro's API.")
+    (license license:bsd-3)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 13/17] gnu: Add python-detecta.

[Vinicius Monego]

* gnu/packages/python-science.scm (python-detecta): New variable.
---
 gnu/packages/python-science.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index fb2ea0c3b5..ca0d0e5941 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -532,6 +532,28 @@ (define-public python-pythran
 Python module with the same interface, but (hopefully) faster.")
     (license license:bsd-3)))
 
+(define-public python-detecta
+  (package
+    (name "python-detecta")
+    (version "0.0.5")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "detecta" version))
+              (sha256
+               (base32
+                "1v830v258vn59sk15rx8m1sycpx8q26pyniqrvb99jdvvw9pvsnj"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f)) ; no tests
+    (propagated-inputs (list python-numpy))
+    (home-page "https://github.com/demotu/detecta")
+    (synopsis "Detect events in data")
+    (description
+     "This package provides a Python module to detect events in data, such as
+peaks, onset, abrupt changes, initial and final indices of sequential data
+identical to a parameter.")
+    (license license:expat)))
+
 (define-public python-pyts
   (package
     (name "python-pyts")
-- 
2.34.1

[bug#64134] [PATCH 14/17] gnu: Add python-financedatabase.

[Vinicius Monego]

* gnu/packages/finance.scm (python-financedatabase): New variable.
---
 gnu/packages/finance.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 6149d667ed..958cbd5945 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1105,6 +1105,27 @@ (define-public python-degiro-connector
     (description "This package provides a library to access Degiro's API.")
     (license license:bsd-3)))
 
+(define-public python-financedatabase
+  (package
+    (name "python-financedatabase")
+    (version "2.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "financedatabase" version))
+              (sha256
+               (base32
+                "0yadyaycwzsyfjfi2gbx3sqc53l1knv23i16lsd2fzbikhy7iyz0"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f)) ;data-only package
+    (propagated-inputs (list python-pandas))
+    (home-page "https://github.com/JerBouma/FinanceDatabase")
+    (synopsis "Database of 300.000+ financial symbols")
+    (description
+     "This is a database of 300.000+ symbols containing Equities, ETFs, Funds,
+Indices, Currencies, Cryptocurrencies and Money Markets.")
+    (license license:expat)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 15/17] gnu: Add python-mstarpy.

[Vinicius Monego]

* gnu/packages/finance.scm (python-mstarpy): New variable.
---
 gnu/packages/finance.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 958cbd5945..31292c2863 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1126,6 +1126,28 @@ (define-public python-financedatabase
 Indices, Currencies, Cryptocurrencies and Money Markets.")
     (license license:expat)))
 
+(define-public python-mstarpy
+  (package
+    (name "python-mstarpy")
+    (version "1.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "mstarpy" version))
+              (sha256
+               (base32
+                "0nz98q90pn6fkidchdyfamsilnzgsqdy387lhvlsrwjj9s0wqyzi"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f))
+    (propagated-inputs (list python-beautifulsoup4 python-pandas
+                             python-requests))
+    (home-page "https://github.com/Mael-J/mstarpy")
+    (synopsis "Mutual funds and stocks data extraction from MorningStar")
+    (description
+     "MStarpy is a Python Package to extract data from MorningStar.  It
+provides stock and fund public data to retail and professional investors.")
+    (license license:expat)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 16/17] gnu: Add python-pandas-ta.

[Vinicius Monego]

* gnu/packages/finance.scm (python-pandas-ta): New variable.
---
 gnu/packages/finance.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index 31292c2863..e727681014 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -1148,6 +1148,40 @@ (define-public python-mstarpy
 provides stock and fund public data to retail and professional investors.")
     (license license:expat)))
 
+(define-public python-pandas-ta
+  (package
+    (name "python-pandas-ta")
+    (version "0.3.14")
+    (source (origin
+              (method git-fetch)        ;no tests in PyPI
+              (uri (git-reference
+                    (url "https://github.com/twopirllc/pandas-ta")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "04903n1kizhhibyipcd8c7wwyvbayhvf3zch42axxrqd9axkzknn"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:test-flags #~(list "-k" "not test_custom_a"))) ;this test failed
+    (native-inputs (list python-pytest))
+    (propagated-inputs (list python-dateutil
+                             python-numpy
+                             python-pandas
+                             python-pytz
+                             python-ta-lib))
+    (home-page "https://github.com/twopirllc/pandas-ta")
+    (synopsis "Pandas Extension with 130+ Technical Analysis Indicators")
+    (description
+     "Pandas Technical Analysis (Pandas TA) is a library that leverages the
+Pandas package with more than 130 Indicators and Utility functions and more
+than 60 TA Lib Candlestick Patterns.  Many commonly used indicators are
+included, such as: Candle Pattern(cdl_pattern), Simple Moving Average (sma),
+Moving Average Convergence Divergence (macd), Hull Exponential Moving Average
+(hma), Bollinger Bands (bbands), On-Balance Volume (obv), Aroon & Aroon
+Oscillator (aroon), Squeeze (squeeze) and many more.")
+    (license license:expat)))
+
 (define-public python-mnemonic
   (package
     (name "python-mnemonic")
-- 
2.34.1

[bug#64134] [PATCH 17/17] gnu: Add python-vectorbt.

[Vinicius Monego]

* gnu/packages/finance.scm (python-vectorbt): New variable.
---
 gnu/packages/finance.scm | 46 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index e727681014..a7e181249d 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -90,6 +90,7 @@ (define-module (gnu packages finance)
   #:use-module (gnu packages gnome)
   #:use-module (gnu packages gnupg)
   #:use-module (gnu packages golang)
+  #:use-module (gnu packages graph)
   #:use-module (gnu packages graphviz)
   #:use-module (gnu packages groff)
   #:use-module (gnu packages gsasl)
@@ -116,6 +117,7 @@ (define-module (gnu packages finance)
   #:use-module (gnu packages protobuf)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-build)
+  #:use-module (gnu packages python-check)
   #:use-module (gnu packages python-crypto)
   #:use-module (gnu packages python-science)
   #:use-module (gnu packages python-web)
@@ -1335,6 +1337,50 @@ (define-public python-bt
  logic to facilitate the rapid development of complex trading strategies.")
     (license license:expat)))
 
+(define-public python-vectorbt
+  (package
+    (name "python-vectorbt")
+    ;; Newer versions require Pandas 2+ which requires Cython>=0.29.33.
+    (version "0.24.5")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "vectorbt" version))
+              (sha256
+               (base32
+                "0arvy8dp9hd684zcmspcb4g2xhsg9b2l1gl3dnvzhli55zpqvina"))))
+    (build-system pyproject-build-system)
+    (arguments
+     ;; TypeError (number of positional arguments) on tests below.
+     (list #:test-flags #~(list "-k" (string-append
+                                      "not test_update_every"
+                                      " and not test_every"
+                                      " and not test_start"
+                                      " and not test_async_start"))))
+    (native-inputs (list python-pytest))
+    (propagated-inputs (list python-dateparser
+                             python-dill
+                             python-imageio
+                             python-ipywidgets
+                             python-matplotlib
+                             python-mypy-extensions
+                             python-numba
+                             python-numpy
+                             python-pandas
+                             python-plotly
+                             python-pytz
+                             python-requests
+                             python-schedule
+                             python-scikit-learn
+                             python-scipy
+                             python-tqdm
+                             python-typing-extensions))
+    (home-page "https://vectorbt.dev/")
+    (synopsis "Library for backtesting and analyzing trading strategies")
+    (description
+     "@code{vectorbt} is a Python package for quantitative analysis that
+operates entirely on pandas and NumPy objects and is accelerated by Numba.")
+    (license license:asl2.0)))
+
 (define-public python-u2flib-host
   ;; The package is obsolete and superseded by python-fido2, but
   ;; needed for python-ledgerblue@0.1.44.
-- 
2.34.1