--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/lxml/includes/etree_defs.h	Thu May 14 14:56:58 2020 -0400
@@ -0,0 +1,418 @@
+#ifndef HAS_ETREE_DEFS_H
+#define HAS_ETREE_DEFS_H
+
+/* quick check for Python/libxml2/libxslt devel setup */
+#include "Python.h"
+#ifndef PY_VERSION_HEX
+#  error the development package of Python (header files etc.) is not installed correctly
+#else
+#  if PY_VERSION_HEX < 0x02070000 || PY_MAJOR_VERSION >= 3 && PY_VERSION_HEX < 0x03050000
+#  error this version of lxml requires Python 2.7, 3.5 or later
+#  endif
+#endif
+
+#include "libxml/xmlversion.h"
+#ifndef LIBXML_VERSION
+#  error the development package of libxml2 (header files etc.) is not installed correctly
+#else
+#if LIBXML_VERSION < 20700
+#  error minimum required version of libxml2 is 2.7.0
+#endif
+#endif
+
+#include "libxslt/xsltconfig.h"
+#ifndef LIBXSLT_VERSION
+#  error the development package of libxslt (header files etc.) is not installed correctly
+#else
+#if LIBXSLT_VERSION < 10123
+#  error minimum required version of libxslt is 1.1.23
+#endif
+#endif
+
+
+/* v_arg functions */
+#define va_int(ap)     va_arg(ap, int)
+#define va_charptr(ap) va_arg(ap, char *)
+
+#ifdef PYPY_VERSION
+#    define IS_PYPY 1
+#else
+#    define IS_PYPY 0
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+#  define IS_PYTHON2 0  /* prefer for special casing Python 2.x */
+#  define IS_PYTHON3 1  /* avoid */
+#else
+#  define IS_PYTHON2 1
+#  define IS_PYTHON3 0
+#endif
+
+#if IS_PYTHON2
+#ifndef LXML_UNICODE_STRINGS
+#define LXML_UNICODE_STRINGS 0
+#endif
+#else
+#undef LXML_UNICODE_STRINGS
+#define LXML_UNICODE_STRINGS 1
+#endif
+
+#if !IS_PYPY
+#  define PyWeakref_LockObject(obj)          (NULL)
+#endif
+
+/* Threading is not currently supported by PyPy */
+#if IS_PYPY
+#  ifndef WITHOUT_THREADING
+#    define WITHOUT_THREADING
+#  endif
+#endif
+
+#if IS_PYPY
+#  undef PyFile_AsFile
+#  define PyFile_AsFile(o)                   (NULL)
+#  undef PyByteArray_Check
+#  define PyByteArray_Check(o)               (0)
+#elif !IS_PYTHON2
+   /* Python 3+ doesn't have PyFile_*() anymore */
+#  define PyFile_AsFile(o)                   (NULL)
+#endif
+
+#if PY_VERSION_HEX <= 0x03030000 && !(defined(CYTHON_PEP393_ENABLED) && CYTHON_PEP393_ENABLED)
+  #define PyUnicode_IS_READY(op)    (0)
+  #define PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
+  #define PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
+#endif
+
+#if IS_PYPY
+#  ifndef PyUnicode_FromFormat
+#    define PyUnicode_FromFormat  PyString_FromFormat
+#  endif
+#  if !IS_PYTHON2 && !defined(PyBytes_FromFormat)
+#    ifdef PyString_FromFormat
+#      define PyBytes_FromFormat  PyString_FromFormat
+#    else
+#include <stdarg.h>
+static PyObject* PyBytes_FromFormat(const char* format, ...) {
+    PyObject *string;
+    va_list vargs;
+#ifdef HAVE_STDARG_PROTOTYPES
+    va_start(vargs, format);
+#else
+    va_start(vargs);
+#endif
+    string = PyUnicode_FromFormatV(format, vargs);
+    va_end(vargs);
+    if (string && PyUnicode_Check(string)) {
+        PyObject *bstring = PyUnicode_AsUTF8String(string);
+        Py_DECREF(string);
+        string = bstring;
+    }
+    if (string && !PyBytes_CheckExact(string)) {
+        Py_DECREF(string);
+        string = NULL;
+        PyErr_SetString(PyExc_TypeError, "String formatting and encoding failed to return bytes object");
+    }
+    return string;
+}
+#    endif
+#  endif
+#endif
+
+/* PySlice_GetIndicesEx() has wrong signature in Py<=3.1 */
+#if PY_VERSION_HEX >= 0x03020000
+#  define _lx_PySlice_GetIndicesEx(o, l, b, e, s, sl) PySlice_GetIndicesEx(o, l, b, e, s, sl)
+#else
+#  define _lx_PySlice_GetIndicesEx(o, l, b, e, s, sl) PySlice_GetIndicesEx(((PySliceObject*)o), l, b, e, s, sl)
+#endif
+
+#ifdef WITHOUT_THREADING
+#  undef PyEval_SaveThread
+#  define PyEval_SaveThread() (NULL)
+#  undef PyEval_RestoreThread
+#  define PyEval_RestoreThread(state)  if (state); else {}
+#  undef PyGILState_Ensure
+#  define PyGILState_Ensure() (PyGILState_UNLOCKED)
+#  undef PyGILState_Release
+#  define PyGILState_Release(state)  if (state); else {}
+#  undef  Py_UNBLOCK_THREADS
+#  define Py_UNBLOCK_THREADS  _save = NULL;
+#  undef  Py_BLOCK_THREADS
+#  define Py_BLOCK_THREADS  if (_save); else {}
+#endif
+
+#ifdef WITHOUT_THREADING
+#  define ENABLE_THREADING 0
+#else
+#  define ENABLE_THREADING 1
+#endif
+
+#if LIBXML_VERSION < 20704
+/* FIXME: hack to make new error reporting compile in old libxml2 versions */
+#  define xmlStructuredErrorContext NULL
+#  define xmlXIncludeProcessTreeFlagsData(n,o,d) xmlXIncludeProcessTreeFlags(n,o)
+#endif
+
+/* schematron was added in libxml2 2.6.21 */
+#ifdef LIBXML_SCHEMATRON_ENABLED
+#  define ENABLE_SCHEMATRON 1
+#else
+#  define ENABLE_SCHEMATRON 0
+#  define XML_SCHEMATRON_OUT_QUIET 0
+#  define XML_SCHEMATRON_OUT_XML 0
+#  define XML_SCHEMATRON_OUT_ERROR 0
+   typedef void xmlSchematron;
+   typedef void xmlSchematronParserCtxt;
+   typedef void xmlSchematronValidCtxt;
+#  define xmlSchematronNewDocParserCtxt(doc) NULL
+#  define xmlSchematronNewParserCtxt(file) NULL
+#  define xmlSchematronParse(ctxt) NULL
+#  define xmlSchematronFreeParserCtxt(ctxt)
+#  define xmlSchematronFree(schema)
+#  define xmlSchematronNewValidCtxt(schema, options) NULL
+#  define xmlSchematronValidateDoc(ctxt, doc) 0
+#  define xmlSchematronFreeValidCtxt(ctxt)
+#  define xmlSchematronSetValidStructuredErrors(ctxt, errorfunc, data)
+#endif
+
+#if LIBXML_VERSION < 20708
+#  define HTML_PARSE_NODEFDTD 4
+#endif
+#if LIBXML_VERSION < 20900
+#  define XML_PARSE_BIG_LINES 4194304
+#endif
+
+#include "libxml/tree.h"
+#ifndef LIBXML2_NEW_BUFFER
+   typedef xmlBuffer xmlBuf;
+#  define xmlBufContent(buf) xmlBufferContent(buf)
+#  define xmlBufUse(buf) xmlBufferLength(buf)
+#endif
+
+/* libexslt 1.1.25+ support EXSLT functions in XPath */
+#if LIBXSLT_VERSION < 10125
+#define exsltDateXpathCtxtRegister(ctxt, prefix)
+#define exsltSetsXpathCtxtRegister(ctxt, prefix)
+#define exsltMathXpathCtxtRegister(ctxt, prefix)
+#define exsltStrXpathCtxtRegister(ctxt, prefix)
+#endif
+
+#define LXML_GET_XSLT_ENCODING(result_var, style) XSLT_GET_IMPORT_PTR(result_var, style, encoding)
+
+/* work around MSDEV 6.0 */
+#if (_MSC_VER == 1200) && (WINVER < 0x0500)
+long _ftol( double ); //defined by VC6 C libs
+long _ftol2( double dblSource ) { return _ftol( dblSource ); }
+#endif
+
+#ifdef __GNUC__
+/* Test for GCC > 2.95 */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)) 
+#define unlikely_condition(x) __builtin_expect((x), 0)
+#else /* __GNUC__ > 2 ... */
+#define unlikely_condition(x) (x)
+#endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+#define unlikely_condition(x) (x)
+#endif /* __GNUC__ */
+
+#ifndef Py_TYPE
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+#endif
+
+#define PY_NEW(T) \
+     (((PyTypeObject*)(T))->tp_new( \
+             (PyTypeObject*)(T), __pyx_empty_tuple, NULL))
+
+#define _fqtypename(o)  ((Py_TYPE(o))->tp_name)
+
+#define lxml_malloc(count, item_size) \
+    (unlikely_condition((size_t)(count) > (size_t) (PY_SSIZE_T_MAX / item_size)) ? NULL : \
+     (PyMem_Malloc((count) * item_size)))
+
+#define lxml_realloc(mem, count, item_size) \
+    (unlikely_condition((size_t)(count) > (size_t) (PY_SSIZE_T_MAX / item_size)) ? NULL : \
+     (PyMem_Realloc(mem, (count) * item_size)))
+
+#define lxml_free(mem)  PyMem_Free(mem)
+
+#if PY_MAJOR_VERSION < 3
+#define _isString(obj)   (PyString_CheckExact(obj)  || \
+                          PyUnicode_CheckExact(obj) || \
+                          PyType_IsSubtype(Py_TYPE(obj), &PyBaseString_Type))
+#else
+/* builtin subtype type checks are almost as fast as exact checks in Py2.7+
+ * and Unicode is more common in Py3 */
+#define _isString(obj)   (PyUnicode_Check(obj) || PyBytes_Check(obj))
+#endif
+
+#define _isElement(c_node) \
+        (((c_node)->type == XML_ELEMENT_NODE) || \
+         ((c_node)->type == XML_COMMENT_NODE) || \
+         ((c_node)->type == XML_ENTITY_REF_NODE) || \
+         ((c_node)->type == XML_PI_NODE))
+
+#define _isElementOrXInclude(c_node) \
+        (_isElement(c_node)                     || \
+         ((c_node)->type == XML_XINCLUDE_START) || \
+         ((c_node)->type == XML_XINCLUDE_END))
+
+#define _getNs(c_node) \
+        (((c_node)->ns == 0) ? 0 : ((c_node)->ns->href))
+
+
+#include "string.h"
+static void* lxml_unpack_xmldoc_capsule(PyObject* capsule, int* is_owned) {
+    xmlDoc *c_doc;
+    void *context;
+    *is_owned = 0;
+    if (unlikely_condition(!PyCapsule_IsValid(capsule, (const char*)"libxml2:xmlDoc"))) {
+        PyErr_SetString(
+                PyExc_TypeError,
+                "Not a valid capsule. The capsule argument must be a capsule object with name libxml2:xmlDoc");
+        return NULL;
+    }
+    c_doc = (xmlDoc*) PyCapsule_GetPointer(capsule, (const char*)"libxml2:xmlDoc");
+    if (unlikely_condition(!c_doc)) return NULL;
+
+    if (unlikely_condition(c_doc->type != XML_DOCUMENT_NODE && c_doc->type != XML_HTML_DOCUMENT_NODE)) {
+        PyErr_Format(
+            PyExc_ValueError,
+            "Illegal document provided: expected XML or HTML, found %d", (int)c_doc->type);
+        return NULL;
+    }
+
+    context = PyCapsule_GetContext(capsule);
+    if (unlikely_condition(!context && PyErr_Occurred())) return NULL;
+    if (context && strcmp((const char*) context, "destructor:xmlFreeDoc") == 0) {
+        /* take ownership by setting destructor to NULL */
+        if (PyCapsule_SetDestructor(capsule, NULL) == 0) {
+            /* ownership transferred => invalidate capsule by clearing its name */
+            if (unlikely_condition(PyCapsule_SetName(capsule, NULL))) {
+                /* this should never happen since everything above succeeded */
+                xmlFreeDoc(c_doc);
+                return NULL;
+            }
+            *is_owned = 1;
+        }
+    }
+    return c_doc;
+}
+
+/* Macro pair implementation of a depth first tree walker
+ *
+ * Calls the code block between the BEGIN and END macros for all elements
+ * below c_tree_top (exclusively), starting at c_node (inclusively iff
+ * 'inclusive' is 1).  The _ELEMENT_ variants will only stop on nodes
+ * that match _isElement(), the normal variant will stop on every node
+ * except text nodes.
+ * 
+ * To traverse the node and all of its children and siblings in Pyrex, call
+ *    cdef xmlNode* some_node
+ *    BEGIN_FOR_EACH_ELEMENT_FROM(some_node.parent, some_node, 1)
+ *    # do something with some_node
+ *    END_FOR_EACH_ELEMENT_FROM(some_node)
+ *
+ * To traverse only the children and siblings of a node, call
+ *    cdef xmlNode* some_node
+ *    BEGIN_FOR_EACH_ELEMENT_FROM(some_node.parent, some_node, 0)
+ *    # do something with some_node
+ *    END_FOR_EACH_ELEMENT_FROM(some_node)
+ *
+ * To traverse only the children, do:
+ *    cdef xmlNode* some_node
+ *    some_node = parent_node.children
+ *    BEGIN_FOR_EACH_ELEMENT_FROM(parent_node, some_node, 1)
+ *    # do something with some_node
+ *    END_FOR_EACH_ELEMENT_FROM(some_node)
+ *
+ * NOTE: 'some_node' MUST be a plain 'xmlNode*' !
+ *
+ * NOTE: parent modification during the walk can divert the iterator, but
+ *       should not segfault !
+ */
+
+#define _LX__ELEMENT_MATCH(c_node, only_elements)  \
+    ((only_elements) ? (_isElement(c_node)) : 1)
+
+#define _LX__ADVANCE_TO_NEXT(c_node, only_elements)                        \
+    while ((c_node != 0) && (!_LX__ELEMENT_MATCH(c_node, only_elements)))  \
+        c_node = c_node->next;
+
+#define _LX__TRAVERSE_TO_NEXT(c_stop_node, c_node, only_elements)   \
+{                                                                   \
+    /* walk through children first */                               \
+    xmlNode* _lx__next = c_node->children;		            \
+    if (_lx__next != 0) {                                           \
+        if (c_node->type == XML_ENTITY_REF_NODE || c_node->type == XML_DTD_NODE) { \
+            _lx__next = 0;                                          \
+        } else {                                                    \
+            _LX__ADVANCE_TO_NEXT(_lx__next, only_elements)	    \
+        }                                                           \
+    }							            \
+    if ((_lx__next == 0) && (c_node != c_stop_node)) {              \
+        /* try siblings */                                          \
+        _lx__next = c_node->next;                                   \
+        _LX__ADVANCE_TO_NEXT(_lx__next, only_elements)              \
+        /* back off through parents */                              \
+        while (_lx__next == 0) {                                    \
+            c_node = c_node->parent;                                \
+            if (c_node == 0)                                        \
+                break;                                              \
+            if (c_node == c_stop_node)                              \
+                break;                                              \
+            if ((only_elements) && !_isElement(c_node))	            \
+                break;                                              \
+            /* we already traversed the parents -> siblings */      \
+            _lx__next = c_node->next;                               \
+            _LX__ADVANCE_TO_NEXT(_lx__next, only_elements)	    \
+        }                                                           \
+    }                                                               \
+    c_node = _lx__next;                                             \
+}
+
+#define _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, only_elements)     \
+{									      \
+    if (c_node != 0) {							      \
+        const xmlNode* _lx__tree_top = (c_tree_top);                          \
+        const int _lx__only_elements = (only_elements);                       \
+        /* make sure we start at an element */                   	      \
+        if (!_LX__ELEMENT_MATCH(c_node, _lx__only_elements)) {		      \
+            /* we skip the node, so 'inclusive' is irrelevant */              \
+            if (c_node == _lx__tree_top)                                      \
+                c_node = 0; /* nothing to traverse */                         \
+            else {                                                            \
+                c_node = c_node->next;                                        \
+                _LX__ADVANCE_TO_NEXT(c_node, _lx__only_elements)              \
+            }                                                                 \
+        } else if (! (inclusive)) {                                           \
+            /* skip the first node */                                         \
+            _LX__TRAVERSE_TO_NEXT(_lx__tree_top, c_node, _lx__only_elements)  \
+        }                                                                     \
+                                                                              \
+        /* now run the user code on the elements we find */                   \
+        while (c_node != 0) {                                                 \
+            /* here goes the code to be run for each element */
+
+#define _LX__END_FOR_EACH_FROM(c_node)                                        \
+            _LX__TRAVERSE_TO_NEXT(_lx__tree_top, c_node, _lx__only_elements)  \
+        }                                                                     \
+    }                                                                         \
+}
+
+
+#define BEGIN_FOR_EACH_ELEMENT_FROM(c_tree_top, c_node, inclusive)   \
+    _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, 1)
+
+#define END_FOR_EACH_ELEMENT_FROM(c_node)   \
+    _LX__END_FOR_EACH_FROM(c_node)
+
+#define BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive)   \
+    _LX__BEGIN_FOR_EACH_FROM(c_tree_top, c_node, inclusive, 0)
+
+#define END_FOR_EACH_FROM(c_node)   \
+    _LX__END_FOR_EACH_FROM(c_node)
+
+
+#endif /* HAS_ETREE_DEFS_H */