rename directories

cython/raw_eater.pxd

@@ -0,0 +1,41 @@
+# cython: language_level = 3
+# distutils: language = c++
+
+# use some C++ STL libraries
+from libcpp.string cimport string
+from libcpp.vector cimport vector
+from libcpp cimport bool
+
+# to include implemenation/definition file
+#cdef extern from "raweat.cpp":
+#    pass
+
+# these method names have to match the C definitions of the methods!!
+#
+# for how to overload the constructor see
+# https://cython.readthedocs.io/en/latest/src/userguide/wrapping_CPlusPlus.html
+# and propagating exceptions from C++ to Python
+# http://docs.cython.org/en/latest/src/userguide/wrapping_CPlusPlus.html#exceptions
+
+cdef extern from "../lib/raweat.hpp":
+    cdef cppclass raw_eater:
+        # constructor(s)
+        raw_eater() except +
+        raw_eater(string) except +
+        # set new file for decoding
+        void set_file(string)
+        # perform conversion (pass any C++ exceptions to Python)
+        void setup_and_conversion() except +
+        # get validity of data format
+        bool get_valid()
+        # get channel name and unit
+        string get_name()
+        string get_unit()
+        # get time step and time unit
+        double get_dt()
+        string get_temp_unit()
+        # get data array of time and measured quantity's channel
+        vector[double] get_time()
+        vector[double] get_data()
+        # dump all data to .csv
+        void write_table(const char*,char delimiter)

cython/raw_eater.pyx

@@ -0,0 +1,58 @@
+
+from raw_eater cimport raweater
+import numpy as np
+import re
+import os
+
+cdef class raweater:
+
+  # C++ instance of class => stack allocated (requires nullary constructor!)
+  cdef raw_eater rawit
+
+  # pointer to C++ instance (if there's no nullary constructor)
+  # cdef raw_eater *rawit
+
+  def __cinit__(self, string rawfile = b''):
+    if rawfile.decode() == "":
+      self.rawit = raw_eater()
+      # self.rawit = new raw_eater()
+    else:
+      if not os.path.isfile(rawfile) :
+        raise ValueError("'" + str(rawfile) + "' does not exist")
+      self.rawit = raw_eater(rawfile)
+      # self.rawit = new raw_eater(rawfile)
+
+  # def __dealloc__(self):
+  #   del self.rawit
+
+  def set_file(self, string rawfile):
+    if not os.path.isfile(rawfile) :
+      raise ValueError("'" + str(rawfile) + "' does not exist")
+    self.rawit.set_file(rawfile)
+
+  def do_conversion(self):
+      self.rawit.setup_and_conversion()
+
+  def validity(self):
+    return self.rawit.get_valid()
+
+  def channel_name(self):
+    return self.rawit.get_name()
+
+  def unit(self):
+    return self.rawit.get_unit()
+
+  def dt(self):
+    return self.rawit.get_dt()
+
+  def time_unit(self):
+    return self.rawit.get_temp_unit()
+
+  def get_time(self):
+    return self.rawit.get_time()
+
+  def get_channel(self):
+    return self.rawit.get_data()
+
+  def write_table(self, const char* csvfile, char delimiter):
+    self.rawit.write_table(csvfile,delimiter)

cython/raw_meat.pxd

@@ -0,0 +1,37 @@
+# cython: language_level = 3
+# distutils: language = c++
+
+# use some C++ STL libraries
+from libcpp.string cimport string
+from libcpp.vector cimport vector
+from libcpp cimport bool
+
+# these method names have to match the C++ definitions of the methods!!
+cdef extern from "../lib/rawmerge.hpp":
+    cdef cppclass raw_merger:
+        raw_merger(string) except +
+        # get validity of data format
+        bool get_valid()
+        # get channel name and unit
+        string get_name()
+        string get_unit()
+        # get time step and time unit
+        double get_dt()
+        string get_temp_unit()
+        # get data array of time and measured quantity's channel
+        vector[double] get_time()
+        vector[double] get_data()
+        # dump all data to .csv
+        void write_table(const char*,char)
+        # add channel and try to merge it (pass C++ exceptions to Python)
+        bool add_channel(string) except +
+        # get total number of (added) channels
+        int get_num_channels()
+        # get list of channel names
+        vector[string] get_channel_names()
+        # get data of particular channel
+        vector[double] get_channel(int)
+        # get total merged time series
+        vector[double] get_time_series()
+        # dump all channels to .csv
+        void write_table_all(const char*,char)

cython/raw_meat.pyx

@@ -0,0 +1,58 @@
+
+# from <raw_meat> has to match name of .pxd file and cimport name of class defined in .pxd
+from raw_meat cimport raw_merger
+import numpy as np
+import re
+
+cdef class rawmerger:
+
+    # pointer to C++ instance (since there's no nullary constructor)
+    cdef raw_merger *rawit
+
+    def __cinit__(self, string rawfile):
+        self.rawit = new raw_merger(rawfile)
+
+    def __dealloc__(self):
+        del self.rawit
+
+    def validity(self):
+        return self.rawit.get_valid()
+
+    def channel_name(self):
+        return self.rawit.get_name()
+
+    def unit(self):
+        return self.rawit.get_unit()
+
+    def dt(self):
+        return self.rawit.get_dt()
+
+    def time_unit(self):
+        return self.rawit.get_temp_unit()
+
+    def get_time(self):
+        return self.rawit.get_time()
+
+    def get_channel(self):
+        return self.rawit.get_data()
+
+    def write_table(self, const char* csvfile, char delimiter):
+        return self.rawit.write_table(csvfile,delimiter)
+
+    def add_channel(self, string rawfile):
+        return self.rawit.add_channel(rawfile)
+
+    def get_num_channels(self):
+        return self.rawit.get_num_channels()
+
+    def get_channel_names(self):
+        return self.rawit.get_channel_names()
+
+    def get_channel_by_index(self, int chidx):
+        return self.rawit.get_channel(chidx)
+
+    def get_time_series(self):
+        return self.rawit.get_time_series()
+
+    def write_table_all(self, const char* csvfile, char delimiter):
+        return self.rawit.write_table_all(csvfile,delimiter)

cython/setup_raw_eater.py

@@ -0,0 +1,20 @@
+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Build import cythonize
+
+extensions = Extension(
+    name="raw_eater",
+    sources=["cyt/raw_eater.pyx"],
+    # libraries=[""],
+    library_dirs=["src"],
+    include_dirs=["src"],
+    language='c++',
+    extra_compile_args=['-std=c++11','-Wno-unused-variable'],
+    extra_link_args=['-std=c++11'],
+    #extra_objects=["lib/parquet/libarrow.so.200.0.0"],
+)
+
+setup(
+    name="raw_eater",
+    ext_modules=cythonize(extensions)
+)

cython/setup_raw_meat.py

@@ -0,0 +1,20 @@
+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Build import cythonize
+
+extensions = Extension(
+    name="raw_meat",
+    sources=["cyt/raw_meat.pyx"],
+    # libraries=[""],
+    library_dirs=["src"],
+    include_dirs=["src"],
+    language='c++',
+    extra_compile_args=['-std=c++11','-Wno-unused-variable'],
+    extra_link_args=['-std=c++11'],
+    #extra_objects=["lib/parquet/libarrow.so.200.0.0"],
+)
+
+setup(
+    name="raw_meat",
+    ext_modules=cythonize(extensions)
+)